新增了病例交流

2025-05-29 14:43:39 +08:00 · 2025-05-29 14:43:39 +08:00 · 257b08d28e
commit 257b08d28e
parent d3c30c0eee
47 changed files with 1877 additions and 25 deletions
--- a/src/main/java/com/example/caseData/controller/CaseClinicalArticleController.java
+++ b/src/main/java/com/example/caseData/controller/CaseClinicalArticleController.java
@ -59,7 +59,7 @@ public class CaseClinicalArticleController {
     * 临床病例库-文章-详情
     */
    @GetMapping("/clinical/article/{article_id}")
-    public Response<CaseClinicalArticleDto> getClinicalHospitalSearchPage(
+    public Response<CaseClinicalArticleDto> getClinicalArticle(
            @PathVariable("article_id") String articleId
    ) {

--- a/src/main/java/com/example/caseData/controller/CaseExchangeController.java
+++ b/src/main/java/com/example/caseData/controller/CaseExchangeController.java
@ -0,0 +1,309 @@
+package com.example.caseData.controller;
+
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.core.metadata.IPage;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.example.caseData.common.Response;
+import com.example.caseData.dao.*;
+import com.example.caseData.dto.caseClinicalArticle.CaseClinicalArticleDto;
+import com.example.caseData.dto.caseExchange.CaseExchangeDto;
+import com.example.caseData.dto.caseExchangeVote.CaseExchangeVoteDto;
+import com.example.caseData.dto.caseExchangeVoteOption.CaseExchangeVoteOptionDto;
+import com.example.caseData.model.*;
+import com.example.caseData.request.caseExchangeRequest.getCaseExchangeSearchPage;
+import com.example.caseData.service.CaseExchangeService;
+import com.example.caseData.utils.Replace;
+import jakarta.annotation.Resource;
+import jakarta.servlet.http.HttpServletRequest;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.*;
+
+import java.time.LocalDateTime;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+@RestController
+@RequestMapping("/api")
+public class CaseExchangeController {
+    @Resource
+    private HttpServletRequest httpServletRequest;
+
+    @Resource
+    private CaseExchangeDao caseExchangeDao;
+
+    @Resource
+    private UserDao userDao;
+
+    @Resource
+    private BasicHospitalDao basicHospitalDao;
+
+    @Resource
+    private CaseExchangeService caseExchangeService;
+
+    @Resource
+    private CaseExchangeVoteDao caseExchangeVoteDao;
+
+    @Resource
+    private CaseExchangeVoteOptionDao caseExchangeVoteOptionDao;
+
+    @Resource
+    private UserVoteExchangeDao userVoteExchangeDao;
+
+    /**
+     * 临床病例库-病例交流-搜索
+     */
+    @PostMapping("/exchange/search")
+    public Response<Map<String, Object>> getCaseExchangeSearchPage(
+            @Validated()
+            @RequestBody getCaseExchangeSearchPage request
+    ) {
+        UserModel user = new UserModel();
+        BasicHospitalModel basicHospital = new BasicHospitalModel();
+
+        String userId = (String) httpServletRequest.getAttribute("userId");
+        if (userId != null) {
+            user = userDao.selectById(Long.valueOf(userId));
+            if (user == null) {
+                return Response.error();
+            }
+
+            // 获取当前用户所属医院
+            basicHospital = basicHospitalDao.selectById(user.getHospitalId());
+            if (basicHospital == null) {
+                return Response.error();
+            }
+        }
+
+        request.validateForPage();
+
+        Map<String, Object> resultMap = new HashMap<>();
+
+        Page<CaseExchangeDto> page = new Page<>(request.getPage(), request.getPageSize());
+
+        // 获取文章数据
+        IPage<CaseExchangeDto> resultPage = caseExchangeDao.getCaseExchangeSearchPage(
+                page,
+                request.getKeyword(),
+                request.getUserId(),
+                request.handleOrder()
+        );
+
+        for (CaseExchangeDto dto : resultPage.getRecords()) {
+            // 查找用户所属医院
+            if (userId != null){
+                if (!userId.equals(dto.getUserId())){
+                    user = userDao.selectById(dto.getUserId());
+                    if (user == null) {
+                        return Response.error();
+                    }
+
+                    // 获取当前用户所属医院
+                    basicHospital = basicHospitalDao.selectById(user.getHospitalId());
+                    if (basicHospital == null) {
+                        return Response.error();
+                    }
+                }
+            }else{
+                user = userDao.selectById(dto.getUserId());
+                if (user == null) {
+                    return Response.error();
+                }
+
+                // 获取当前用户所属医院
+                basicHospital = basicHospitalDao.selectById(user.getHospitalId());
+                if (basicHospital == null) {
+                    return Response.error();
+                }
+            }
+
+            dto.setAvatar(Replace.addOssDomain(user.getAvatar()));
+            dto.setUserName(user.getUserName());
+            dto.setHospitalName(basicHospital.getHospitalName());
+
+            // 获取用户收藏状态
+            if (userId != null) {
+                // 检测用户是否已收藏过
+                UserCollectExchangeModel userCollectExchangeModel = caseExchangeService.getUserCollectExchangeStatus(dto.getExchangeId(),userId);
+                if (userCollectExchangeModel != null) {
+                    dto.setCollect(true);
+                }
+            }
+        }
+
+        resultMap.put("page", resultPage.getCurrent());
+        resultMap.put("pageSize", resultPage.getSize());
+        resultMap.put("total", resultPage.getTotal());
+        resultMap.put("data", resultPage.getRecords());
+        return Response.success(resultMap);
+    }
+
+    /**
+     * 病例交流-详情
+     */
+    @GetMapping("/exchange/{exchange_id}")
+    public Response<CaseExchangeDto> getExchange(
+            @PathVariable("exchange_id") String exchangeId
+    ) {
+        String userId = (String) httpServletRequest.getAttribute("userId");
+
+        // 获取文章数据
+        CaseExchangeModel caseExchange = caseExchangeDao.selectById(exchangeId);
+        if (caseExchange == null) {
+            return Response.error();
+        }
+
+        // 查找用户
+        UserModel user = userDao.selectById(caseExchange.getUserId());
+        if (user == null) {
+            return Response.error();
+        }
+
+        // 获取当前用户所属医院
+        BasicHospitalModel basicHospital = basicHospitalDao.selectById(user.getHospitalId());
+        if (basicHospital == null) {
+            return Response.error();
+        }
+
+        // 获取投票数据
+        LambdaQueryWrapper<CaseExchangeVoteModel> caseExchangeVoteQueryWrapper = new LambdaQueryWrapper<>();
+        caseExchangeVoteQueryWrapper.eq(CaseExchangeVoteModel::getExchangeId, caseExchange.getExchangeId());
+        CaseExchangeVoteModel caseExchangeVote = caseExchangeVoteDao.selectOne(caseExchangeVoteQueryWrapper);
+        if (caseExchangeVote != null) {
+            // 检测是否过期
+            if (caseExchangeVote.getEndTime() == null) {
+                return Response.error();
+            }
+
+            // 获取选项
+            LambdaQueryWrapper<CaseExchangeVoteOptionModel> caseExchangeVoteOptionQueryWrapper = new LambdaQueryWrapper<>();
+            caseExchangeVoteOptionQueryWrapper.eq(CaseExchangeVoteOptionModel::getVoteId, caseExchangeVote.getVoteId());
+            List<CaseExchangeVoteOptionModel> caseExchangeVoteOptions = caseExchangeVoteOptionDao.selectList(caseExchangeVoteOptionQueryWrapper);
+            if (caseExchangeVoteOptions.isEmpty()) {
+                return Response.error();
+            }
+            caseExchangeVote.setCaseExchangeVoteOption(caseExchangeVoteOptions);
+
+            caseExchange.setCaseExchangeVote(caseExchangeVote);
+        }
+
+        // 处理返回值
+        CaseExchangeDto g = CaseExchangeDto.GetDto(caseExchange);
+
+        g.setAvatar(Replace.addOssDomain(user.getAvatar()));
+        g.setUserName(user.getUserName());
+        g.setHospitalName(basicHospital.getHospitalName());
+
+        // 获取用户收藏状态
+        if (userId != null) {
+            // 检测用户是否已收藏过
+            UserCollectExchangeModel userCollectExchangeModel = caseExchangeService.getUserCollectExchangeStatus(String.valueOf(caseExchange.getExchangeId()),userId);
+            if (userCollectExchangeModel != null) {
+                g.setCollect(true);
+            }
+        }
+
+        // 过期状态
+        if (g.getCaseExchangeVote().getEndTime().isAfter(LocalDateTime.now())) {
+            g.getCaseExchangeVote().setIsEnabled(1);
+        }else{
+            g.getCaseExchangeVote().setIsEnabled(0);
+        }
+
+        // 用户投票状态
+        if (userId != null) {
+            LambdaQueryWrapper<UserVoteExchangeModel> queryWrapper = new LambdaQueryWrapper<>();
+            queryWrapper.eq(UserVoteExchangeModel::getUserId, userId);
+            queryWrapper.eq(UserVoteExchangeModel::getExchangeId, exchangeId);
+            queryWrapper.eq(UserVoteExchangeModel::getVoteId, g.getCaseExchangeVote().getVoteId());
+            UserVoteExchangeModel userVoteExchange = userVoteExchangeDao.selectOne(queryWrapper);
+            if (userVoteExchange != null) {
+                // 已投过票
+                g.getCaseExchangeVote().setIsEnabled(0);
+            }
+        }
+
+        // 处理投票数据
+        Integer voteNum = 0;
+        for (CaseExchangeVoteOptionDto dto : g.getCaseExchangeVote().getCaseExchangeVoteOption()){
+            voteNum += dto.getVoteNum();
+        }
+
+        for (CaseExchangeVoteOptionDto dto : g.getCaseExchangeVote().getCaseExchangeVoteOption()){
+            Integer proportion = (int) (Math.round((double) dto.getVoteNum() / voteNum * 10000) / 100.0);
+            dto.setProportion(proportion);
+        }
+
+        return Response.success(g);
+    }
+
+    /**
+     * 病例交流-详情-投票数据
+     */
+    @GetMapping("/exchange/vote/{exchange_id}")
+    public Response<CaseExchangeVoteDto> getExchangeVote(
+            @PathVariable("exchange_id") String exchangeId
+    ) {
+        String userId = (String) httpServletRequest.getAttribute("userId");
+
+        // 获取投票数据
+        LambdaQueryWrapper<CaseExchangeVoteModel> caseExchangeVoteQueryWrapper = new LambdaQueryWrapper<>();
+        caseExchangeVoteQueryWrapper.eq(CaseExchangeVoteModel::getExchangeId, exchangeId);
+        CaseExchangeVoteModel caseExchangeVote = caseExchangeVoteDao.selectOne(caseExchangeVoteQueryWrapper);
+        if (caseExchangeVote == null) {
+            return Response.success();
+        }
+
+        // 检测是否过期
+        if (caseExchangeVote.getEndTime() == null) {
+            return Response.error();
+        }
+
+        // 获取选项
+        LambdaQueryWrapper<CaseExchangeVoteOptionModel> caseExchangeVoteOptionQueryWrapper = new LambdaQueryWrapper<>();
+        caseExchangeVoteOptionQueryWrapper.eq(CaseExchangeVoteOptionModel::getVoteId, caseExchangeVote.getVoteId());
+        List<CaseExchangeVoteOptionModel> caseExchangeVoteOptions = caseExchangeVoteOptionDao.selectList(caseExchangeVoteOptionQueryWrapper);
+        if (caseExchangeVoteOptions.isEmpty()) {
+            return Response.error();
+        }
+        caseExchangeVote.setCaseExchangeVoteOption(caseExchangeVoteOptions);
+
+        // 处理返回值
+        CaseExchangeVoteDto g = CaseExchangeVoteDto.GetDto(caseExchangeVote);
+
+        // 过期状态
+        if (g.getEndTime().isAfter(LocalDateTime.now())) {
+            g.setIsEnabled(1);
+        }else{
+            g.setIsEnabled(0);
+        }
+
+        // 用户投票状态
+        if (userId != null) {
+            LambdaQueryWrapper<UserVoteExchangeModel> queryWrapper = new LambdaQueryWrapper<>();
+            queryWrapper.eq(UserVoteExchangeModel::getUserId, userId);
+            queryWrapper.eq(UserVoteExchangeModel::getExchangeId, exchangeId);
+            queryWrapper.eq(UserVoteExchangeModel::getVoteId, g.getVoteId());
+            UserVoteExchangeModel userVoteExchange = userVoteExchangeDao.selectOne(queryWrapper);
+            if (userVoteExchange != null) {
+                // 已投过票
+                g.setIsEnabled(0);
+            }
+        }
+
+        // 处理投票数据
+        Integer voteNum = 0;
+        for (CaseExchangeVoteOptionDto dto : g.getCaseExchangeVoteOption()){
+            voteNum += dto.getVoteNum();
+        }
+
+        for (CaseExchangeVoteOptionDto dto : g.getCaseExchangeVoteOption()){
+            Integer proportion = (int) (Math.round((double) dto.getVoteNum() / voteNum * 10000) / 100.0);
+            dto.setProportion(proportion);
+        }
+
+        return Response.success(g);
+    }
+
+
+}
--- a/src/main/java/com/example/caseData/controller/StatsCaseExchangeController.java
+++ b/src/main/java/com/example/caseData/controller/StatsCaseExchangeController.java
@ -0,0 +1,63 @@
+package com.example.caseData.controller;
+
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.example.caseData.common.Response;
+import com.example.caseData.dao.StatsCaseExchangeDao;
+import com.example.caseData.dao.StatsCaseExchangeUserDao;
+import com.example.caseData.dao.StatsCaseExchangeUserDao;
+import com.example.caseData.dto.statsCaseExchange.StatsCaseExchangeDto;
+import com.example.caseData.dto.statsCaseExchange.StatsCaseExchangeDto;
+import com.example.caseData.dto.statsCaseExchangeUser.StatsCaseExchangeUserDto;
+import com.example.caseData.model.StatsCaseExchangeUserModel;
+import com.example.caseData.model.StatsCaseExchangeModel;
+import jakarta.annotation.Resource;
+import jakarta.servlet.http.HttpServletRequest;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("/api")
+public class StatsCaseExchangeController extends BaseController {
+    @Resource
+    private StatsCaseExchangeDao statsCaseExchangeDao;
+
+    @Resource
+    private StatsCaseExchangeUserDao statsCaseExchangeUserDao;
+
+    @Resource
+    private HttpServletRequest httpServletRequest;
+
+    /**
+     *  病例交流-统计
+     */
+    @GetMapping("/exchange/stats")
+    public Response<StatsCaseExchangeDto> getClinicalStats(){
+        LambdaQueryWrapper<StatsCaseExchangeModel> statsCaseExchangeQueryWrapper = new LambdaQueryWrapper<>();
+        StatsCaseExchangeModel statsCaseExchange = statsCaseExchangeDao.selectOne(statsCaseExchangeQueryWrapper);
+
+        StatsCaseExchangeDto g = StatsCaseExchangeDto.GetDto(statsCaseExchange);
+
+        return Response.success(g);
+    }
+
+    /**
+     *  病例交流-用户
+     */
+    @GetMapping("/exchange/stats/user")
+    public Response<StatsCaseExchangeUserDto> getClinicalStatsUser(){
+        String userId = (String) httpServletRequest.getAttribute("userId");
+        if (userId != null) {
+            return Response.error();
+        }
+
+        LambdaQueryWrapper<StatsCaseExchangeUserModel> queryWrapper = new LambdaQueryWrapper<>();
+        queryWrapper.eq(StatsCaseExchangeUserModel::getUserId, userId);
+        StatsCaseExchangeUserModel statsCaseExchangeUser = statsCaseExchangeUserDao.selectOne(queryWrapper);
+
+        StatsCaseExchangeUserDto g = StatsCaseExchangeUserDto.GetDto(statsCaseExchangeUser);
+
+        return Response.success(g);
+    }
+}
--- a/src/main/java/com/example/caseData/controller/UserController.java
+++ b/src/main/java/com/example/caseData/controller/UserController.java
@ -89,4 +89,6 @@ public class UserController extends BaseController {

        return Response.success(g);
    }
+
+
 }
--- a/src/main/java/com/example/caseData/dao/CaseExchangeDao.java
+++ b/src/main/java/com/example/caseData/dao/CaseExchangeDao.java
@ -0,0 +1,30 @@
+package com.example.caseData.dao;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.baomidou.mybatisplus.core.metadata.IPage;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.example.caseData.dto.caseClinicalArticle.CaseClinicalArticleDto;
+import com.example.caseData.dto.caseExchange.CaseExchangeDto;
+import com.example.caseData.model.CaseClinicalArticleModel;
+import com.example.caseData.model.CaseExchangeModel;
+import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Param;
+
+import java.util.Map;
+
+@Mapper
+public interface CaseExchangeDao extends BaseMapper<CaseExchangeModel> {
+
+    /**
+     * 临床病例库-搜索
+     * @param page 分页数据
+     * @param keyword 搜索关键词-标题/医生名称/标签名称
+     * @param order 排序
+     */
+    IPage<CaseExchangeDto> getCaseExchangeSearchPage(
+            Page<?> page,
+            @Param("keyword") String keyword,
+            @Param("userId") String userId,
+            @Param("order") Map<String, String> order
+    );
+}
--- a/src/main/java/com/example/caseData/dao/CaseExchangeLabelDao.java
+++ b/src/main/java/com/example/caseData/dao/CaseExchangeLabelDao.java
@ -0,0 +1,9 @@
+package com.example.caseData.dao;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.example.caseData.model.CaseExchangeModel;
+import org.apache.ibatis.annotations.Mapper;
+
+@Mapper
+public interface CaseExchangeLabelDao extends BaseMapper<CaseExchangeModel> {
+}
--- a/src/main/java/com/example/caseData/dao/CaseExchangeVoteDao.java
+++ b/src/main/java/com/example/caseData/dao/CaseExchangeVoteDao.java
@ -0,0 +1,16 @@
+package com.example.caseData.dao;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.baomidou.mybatisplus.core.metadata.IPage;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.example.caseData.dto.caseExchange.CaseExchangeDto;
+import com.example.caseData.model.CaseExchangeModel;
+import com.example.caseData.model.CaseExchangeVoteModel;
+import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Param;
+
+import java.util.Map;
+
+@Mapper
+public interface CaseExchangeVoteDao extends BaseMapper<CaseExchangeVoteModel> {
+}
--- a/src/main/java/com/example/caseData/dao/CaseExchangeVoteOptionDao.java
+++ b/src/main/java/com/example/caseData/dao/CaseExchangeVoteOptionDao.java
@ -0,0 +1,10 @@
+package com.example.caseData.dao;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.example.caseData.model.CaseExchangeVoteModel;
+import com.example.caseData.model.CaseExchangeVoteOptionModel;
+import org.apache.ibatis.annotations.Mapper;
+
+@Mapper
+public interface CaseExchangeVoteOptionDao extends BaseMapper<CaseExchangeVoteOptionModel> {
+}
--- a/src/main/java/com/example/caseData/dao/StatsCaseExchangeDao.java
+++ b/src/main/java/com/example/caseData/dao/StatsCaseExchangeDao.java
@ -0,0 +1,30 @@
+package com.example.caseData.dao;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.example.caseData.model.StatsCaseClinicalModel;
+import com.example.caseData.model.StatsCaseExchangeModel;
+import org.apache.ibatis.annotations.Param;
+import org.apache.ibatis.annotations.Update;
+
+public interface StatsCaseExchangeDao extends BaseMapper<StatsCaseExchangeModel> {
+    /**
+     * Inc 自增
+     * @param articleId 文章 ID
+     * @param field     字段名称
+     * @param numeral   增加的数值
+     * @return 更新的行数
+     */
+    @Update("UPDATE stats_case_exchange SET ${field} = ${field} + #{numeral} WHERE stats_id = #{statsId}")
+    int inc(@Param("statsId") Long articleId, @Param("field") String field, @Param("numeral") int numeral);
+
+    /**
+     * Dec 自减
+     *
+     * @param articleId 文章 ID
+     * @param field     字段名称
+     * @param numeral   减少的数值
+     * @return 更新的行数
+     */
+    @Update("UPDATE stats_case_exchange SET ${field} = ${field} - #{numeral} WHERE stats_id = #{statsId}")
+    int dec(@Param("statsId") Long articleId, @Param("field") String field, @Param("numeral") int numeral);
+}
--- a/src/main/java/com/example/caseData/dao/StatsCaseExchangeUserDao.java
+++ b/src/main/java/com/example/caseData/dao/StatsCaseExchangeUserDao.java
@ -0,0 +1,17 @@
+package com.example.caseData.dao;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.baomidou.mybatisplus.core.metadata.IPage;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.example.caseData.dto.caseExchange.CaseExchangeDto;
+import com.example.caseData.model.CaseExchangeModel;
+import com.example.caseData.model.StatsCaseExchangeUserModel;
+import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Param;
+
+import java.util.Map;
+
+@Mapper
+public interface StatsCaseExchangeUserDao extends BaseMapper<StatsCaseExchangeUserModel> {
+
+}
--- a/src/main/java/com/example/caseData/dao/UserCollectExchangeDao.java
+++ b/src/main/java/com/example/caseData/dao/UserCollectExchangeDao.java
@ -0,0 +1,10 @@
+package com.example.caseData.dao;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.example.caseData.model.CaseExchangeModel;
+import com.example.caseData.model.UserCollectExchangeModel;
+import org.apache.ibatis.annotations.Mapper;
+
+@Mapper
+public interface UserCollectExchangeDao extends BaseMapper<UserCollectExchangeModel> {
+}
--- a/src/main/java/com/example/caseData/dao/UserCommentExchangeDao.java
+++ b/src/main/java/com/example/caseData/dao/UserCommentExchangeDao.java
@ -0,0 +1,17 @@
+package com.example.caseData.dao;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.baomidou.mybatisplus.core.metadata.IPage;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.example.caseData.dto.caseExchange.CaseExchangeDto;
+import com.example.caseData.model.CaseExchangeModel;
+import com.example.caseData.model.UserCommentExchangeModel;
+import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Param;
+
+import java.util.Map;
+
+@Mapper
+public interface UserCommentExchangeDao extends BaseMapper<UserCommentExchangeModel> {
+
+}
--- a/src/main/java/com/example/caseData/dao/UserVoteExchangeDao.java
+++ b/src/main/java/com/example/caseData/dao/UserVoteExchangeDao.java
@ -0,0 +1,11 @@
+package com.example.caseData.dao;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.example.caseData.model.UserCommentExchangeModel;
+import com.example.caseData.model.UserVoteExchangeModel;
+import org.apache.ibatis.annotations.Mapper;
+
+@Mapper
+public interface UserVoteExchangeDao extends BaseMapper<UserVoteExchangeModel> {
+
+}
--- a/src/main/java/com/example/caseData/dto/caseExchange/CaseExchangeDto.java
+++ b/src/main/java/com/example/caseData/dto/caseExchange/CaseExchangeDto.java
@ -0,0 +1,169 @@
+package com.example.caseData.dto.caseExchange;
+
+import cn.hutool.core.bean.BeanUtil;
+import com.example.caseData.dto.caseClinicalArticleAuthor.CaseClinicalArticleAuthorDto;
+import com.example.caseData.dto.caseExchangeVote.CaseExchangeVoteDto;
+import com.example.caseData.dto.caseExchangeVoteOption.CaseExchangeVoteOptionDto;
+import com.example.caseData.model.CaseExchangeModel;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+import java.util.Collections;
+import java.util.List;
+import java.util.stream.Collectors;
+
+@Data
+public class CaseExchangeDto {
+    /**
+     * 主键id
+     */
+    @JsonProperty("exchange_id")
+    private String exchangeId;
+
+    /**
+     * 用户id
+     */
+    @JsonProperty("user_id")
+    private String userId;
+
+    /**
+     * 标题
+     */
+    @JsonProperty("exchange_title")
+    private String exchangeTitle;
+
+    /**
+     * 状态（1:正常 2:禁用）
+     */
+    @JsonProperty("exchange_status")
+    private Integer exchangeStatus;
+
+    /**
+     * 阅读量
+     */
+    @JsonProperty("read_num")
+    private Integer readNum;
+
+    /**
+     * 收藏量
+     */
+    @JsonProperty("collect_num")
+    private Integer collectNum;
+
+    /**
+     * 发表时间
+     */
+    @JsonProperty("push_date")
+    private LocalDateTime pushDate;
+
+    /**
+     * 内容
+     */
+    @JsonProperty("exchange_content")
+    private String exchangeContent;
+
+    /**
+     * 总结
+     */
+    @JsonProperty("exchange_summary")
+    private String exchangeSummary;
+
+    /**
+     * 创建时间
+     */
+    @JsonProperty("created_at")
+    private LocalDateTime createdAt;
+
+    /**
+     * 修改时间
+     */
+    @JsonProperty("updated_at")
+    private LocalDateTime updatedAt;
+
+    /**
+     * 用户名称
+     */
+    @JsonProperty("user_name")
+    private String userName;       // 用户名称
+
+    /**
+     * 头像
+     */
+    @JsonProperty("avatar")
+    private String avatar;         // 头像
+
+    /**
+     * 所属医院名称
+     */
+    @JsonProperty("hospital_name")
+    private String hospitalName;     // 所属医院名称
+
+    /**
+     * 收藏状态
+     */
+    @JsonProperty("is_collect")
+    private boolean isCollect;
+
+    /**
+     * 投票数据
+     */
+    @JsonProperty("case_exchange_vote")
+    private CaseExchangeVoteDto caseExchangeVote;
+
+    /**
+     * 列表
+     */
+    public static List<CaseExchangeDto> GetListDto(List<CaseExchangeModel> models) {
+        if (models == null || models.isEmpty()) {
+            return Collections.emptyList();
+        }
+
+        return models.stream()
+                .map(model -> {
+                    CaseExchangeDto dto = BeanUtil.copyProperties(model, CaseExchangeDto.class);
+
+                    // 示例：手动处理字段类型不一致
+                    if (model.getExchangeId() != null) {
+                        dto.setExchangeId(String.valueOf(model.getExchangeId())); // Long -> String
+                    }
+
+                    dto.setExchangeContent("");
+                    dto.setExchangeSummary("");
+
+                    // 投票
+                    if (model.getCaseExchangeVote() != null) {
+                        CaseExchangeVoteDto listDto = CaseExchangeVoteDto.GetDto(model.getCaseExchangeVote());
+                        dto.setCaseExchangeVote(listDto);
+                    }
+
+                    return dto;
+                })
+                .collect(Collectors.toList());
+    }
+
+    /**
+     * 详情
+     */
+    public static CaseExchangeDto GetDto(CaseExchangeModel model) {
+        if (model == null) {
+            return null;
+        }
+
+        CaseExchangeDto dto = BeanUtil.copyProperties(model, CaseExchangeDto.class);
+
+        // 类型转换示例
+        if (model.getExchangeId() != null) {
+            dto.setExchangeId(String.valueOf(model.getExchangeId())); // Long -> String
+        }
+
+        // 投票
+        if (model.getCaseExchangeVote() != null) {
+            CaseExchangeVoteDto listDto = CaseExchangeVoteDto.GetDto(model.getCaseExchangeVote());
+            dto.setCaseExchangeVote(listDto);
+        }
+
+        return dto;
+    }
+    
+}
--- a/src/main/java/com/example/caseData/dto/caseExchangeVote/CaseExchangeVoteDto.java
+++ b/src/main/java/com/example/caseData/dto/caseExchangeVote/CaseExchangeVoteDto.java
@ -0,0 +1,118 @@
+package com.example.caseData.dto.caseExchangeVote;
+
+import cn.hutool.core.bean.BeanUtil;
+import com.example.caseData.dto.caseClinicalArticleAuthor.CaseClinicalArticleAuthorDto;
+import com.example.caseData.dto.caseExchange.CaseExchangeDto;
+import com.example.caseData.dto.caseExchangeVoteOption.CaseExchangeVoteOptionDto;
+import com.example.caseData.model.CaseExchangeModel;
+import com.example.caseData.model.CaseExchangeVoteModel;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+import java.util.Collections;
+import java.util.List;
+import java.util.stream.Collectors;
+
+@Data
+public class CaseExchangeVoteDto {
+    /**
+     * 主键id
+     */
+    @JsonProperty("vote_id")
+    private String voteId;
+
+    /**
+     * 病例交流id
+     */
+    @JsonProperty("exchange_id")
+    private String exchangeId;
+
+    /**
+     * 选项标题
+     */
+    @JsonProperty("vote_title")
+    private String voteTitle;
+
+    /**
+     * 结束投票时间
+     */
+    @JsonProperty("end_time")
+    private LocalDateTime endTime;
+
+    /**
+     * 是否开启中（0:否 1:是）
+     */
+    @JsonProperty("is_enabled")
+    private Integer isEnabled;
+
+    /**
+     * 创建时间
+     */
+    @JsonProperty("created_at")
+    private LocalDateTime createdAt;
+
+    /**
+     * 修改时间
+     */
+    @JsonProperty("updated_at")
+    private LocalDateTime updatedAt;
+
+    /**
+     * 选项
+     */
+    @JsonProperty("case_exchange_vote_option")
+    private List<CaseExchangeVoteOptionDto> caseExchangeVoteOption;
+
+    /**
+     * 列表
+     */
+    public static List<CaseExchangeVoteDto> GetListDto(List<CaseExchangeVoteModel> models) {
+        if (models == null || models.isEmpty()) {
+            return Collections.emptyList();
+        }
+
+        return models.stream()
+                .map(model -> {
+                    CaseExchangeVoteDto dto = BeanUtil.copyProperties(model, CaseExchangeVoteDto.class);
+
+                    // 示例：手动处理字段类型不一致
+                    if (model.getVoteId() != null) {
+                        dto.setVoteId(String.valueOf(model.getVoteId())); // Long -> String
+                    }
+
+                    // 选项
+                    if (model.getCaseExchangeVoteOption() != null && !model.getCaseExchangeVoteOption().isEmpty()) {
+                        List<CaseExchangeVoteOptionDto> caseExchangeVoteOptionListDto = CaseExchangeVoteOptionDto.GetListDto(model.getCaseExchangeVoteOption());
+                        dto.setCaseExchangeVoteOption(caseExchangeVoteOptionListDto);
+                    }
+
+                    return dto;
+                })
+                .collect(Collectors.toList());
+    }
+
+    /**
+     * 详情
+     */
+    public static CaseExchangeVoteDto GetDto(CaseExchangeVoteModel model) {
+        if (model == null) {
+            return null;
+        }
+
+        CaseExchangeVoteDto dto = BeanUtil.copyProperties(model, CaseExchangeVoteDto.class);
+
+        // 类型转换示例
+        if (model.getVoteId() != null) {
+            dto.setVoteId(String.valueOf(model.getVoteId())); // Long -> String
+        }
+
+        // 选项
+        if (model.getCaseExchangeVoteOption() != null && !model.getCaseExchangeVoteOption().isEmpty()) {
+            List<CaseExchangeVoteOptionDto> caseExchangeVoteOptionListDto = CaseExchangeVoteOptionDto.GetListDto(model.getCaseExchangeVoteOption());
+            dto.setCaseExchangeVoteOption(caseExchangeVoteOptionListDto);
+        }
+
+        return dto;
+    }
+}
--- a/src/main/java/com/example/caseData/dto/caseExchangeVoteOption/CaseExchangeVoteOptionDto.java
+++ b/src/main/java/com/example/caseData/dto/caseExchangeVoteOption/CaseExchangeVoteOptionDto.java
@ -0,0 +1,98 @@
+package com.example.caseData.dto.caseExchangeVoteOption;
+
+import cn.hutool.core.bean.BeanUtil;
+import com.example.caseData.dto.caseExchangeVote.CaseExchangeVoteDto;
+import com.example.caseData.model.CaseExchangeVoteModel;
+import com.example.caseData.model.CaseExchangeVoteOptionModel;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+import java.util.Collections;
+import java.util.List;
+import java.util.stream.Collectors;
+
+@Data
+public class CaseExchangeVoteOptionDto {
+    /**
+     * 主键id
+     */
+    @JsonProperty("option_id")
+    private String optionId;
+
+    /**
+     * 投票id
+     */
+    @JsonProperty("vote_id")
+    private String voteId;
+
+    /**
+     * 选项
+     */
+    @JsonProperty("option_value")
+    private String optionValue;
+
+    /**
+     * 票数
+     */
+    @JsonProperty("vote_num")
+    private Integer voteNum;
+
+    /**
+     * 被选择占比
+     */
+    @JsonProperty("proportion")
+    private Integer proportion;
+
+    /**
+     * 创建时间
+     */
+    @JsonProperty("created_at")
+    private LocalDateTime createdAt;
+
+    /**
+     * 修改时间
+     */
+    @JsonProperty("updated_at")
+    private LocalDateTime updatedAt;
+
+    /**
+     * 列表
+     */
+    public static List<CaseExchangeVoteOptionDto> GetListDto(List<CaseExchangeVoteOptionModel> models) {
+        if (models == null || models.isEmpty()) {
+            return Collections.emptyList();
+        }
+
+        return models.stream()
+                .map(model -> {
+                    CaseExchangeVoteOptionDto dto = BeanUtil.copyProperties(model, CaseExchangeVoteOptionDto.class);
+
+                    // 示例：手动处理字段类型不一致
+                    if (model.getOptionId() != null) {
+                        dto.setOptionId(String.valueOf(model.getOptionId())); // Long -> String
+                    }
+
+                    return dto;
+                })
+                .collect(Collectors.toList());
+    }
+
+    /**
+     * 详情
+     */
+    public static CaseExchangeVoteOptionDto GetDto(CaseExchangeVoteOptionModel model) {
+        if (model == null) {
+            return null;
+        }
+
+        CaseExchangeVoteOptionDto dto = BeanUtil.copyProperties(model, CaseExchangeVoteOptionDto.class);
+
+        // 类型转换示例
+        if (model.getOptionId() != null) {
+            dto.setOptionId(String.valueOf(model.getOptionId())); // Long -> String
+        }
+
+        return dto;
+    }
+}
--- a/src/main/java/com/example/caseData/dto/statsCaseClinical/StatsCaseClinicalDto.java
+++ b/src/main/java/com/example/caseData/dto/statsCaseClinical/StatsCaseClinicalDto.java
@ -1,6 +1,7 @@
 package com.example.caseData.dto.statsCaseClinical;

 import cn.hutool.core.bean.BeanUtil;
+import com.baomidou.mybatisplus.annotation.TableField;
 import com.example.caseData.model.StatsCaseClinicalModel;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import lombok.Data;
@ -17,6 +18,12 @@ public class StatsCaseClinicalDto {
    @JsonProperty("stats_id")
    private String statsId;

+    /**
+     * 数量-文章
+     */
+    @JsonProperty("article_num")
+    private Integer articleNum;
+
    /**
     * 总阅读量-文章
     */
@ -29,6 +36,12 @@ public class StatsCaseClinicalDto {
    @JsonProperty("article_collect_num")
    private Integer articleCollectNum;

+    /**
+     * 数量-视频
+     */
+    @JsonProperty("video_num")
+    private Integer videoNum;
+
    /**
     * 总阅读量-视频
     */
--- a/src/main/java/com/example/caseData/dto/statsCaseExchange/StatsCaseExchangeDto.java
+++ b/src/main/java/com/example/caseData/dto/statsCaseExchange/StatsCaseExchangeDto.java
@ -0,0 +1,90 @@
+package com.example.caseData.dto.statsCaseExchange;
+
+import cn.hutool.core.bean.BeanUtil;
+import com.example.caseData.model.StatsCaseExchangeModel;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+import java.util.Collections;
+import java.util.List;
+import java.util.stream.Collectors;
+
+@Data
+public class StatsCaseExchangeDto {
+    /**
+     * 主键id
+     */
+    @JsonProperty("stats_id")
+    private String statsId;
+
+    /**
+     * 数量-病例交流
+     */
+    @JsonProperty("exchange_num")
+    private Integer exchangeNum;
+
+    /**
+     * 总阅读量-病例交流
+     */
+    @JsonProperty("exchange_read_num")
+    private Integer exchangeReadNum;
+
+    /**
+     * 总收藏量-病例交流
+     */
+    @JsonProperty("exchange_collect_num")
+    private Integer exchangeCollectNum;
+
+    /**
+     * 创建时间
+     */
+    @JsonProperty("created_at")
+    private LocalDateTime createdAt;
+
+    /**
+     * 修改时间
+     */
+    @JsonProperty("updated_at")
+    private LocalDateTime updatedAt;
+
+    /**
+     * 列表
+     */
+    public static List<StatsCaseExchangeDto> GetListDto(List<StatsCaseExchangeModel> models) {
+        if (models == null || models.isEmpty()) {
+            return Collections.emptyList();
+        }
+
+        return models.stream()
+                .map(model -> {
+                    StatsCaseExchangeDto dto = BeanUtil.copyProperties(model, StatsCaseExchangeDto.class);
+
+                    // 示例：手动处理字段类型不一致
+                    if (model.getStatsId() != null) {
+                        dto.setStatsId(String.valueOf(model.getStatsId())); // Long -> String
+                    }
+
+                    return dto;
+                })
+                .collect(Collectors.toList());
+    }
+
+    /**
+     * 详情
+     */
+    public static StatsCaseExchangeDto GetDto(StatsCaseExchangeModel model) {
+        if (model == null) {
+            return null;
+        }
+
+        StatsCaseExchangeDto dto = BeanUtil.copyProperties(model, StatsCaseExchangeDto.class);
+
+        // 示例：手动处理字段类型不一致
+        if (model.getStatsId() != null) {
+            dto.setStatsId(String.valueOf(model.getStatsId())); // Long -> String
+        }
+
+        return dto;
+    }
+} 
--- a/src/main/java/com/example/caseData/dto/statsCaseExchangeUser/StatsCaseExchangeUserDto.java
+++ b/src/main/java/com/example/caseData/dto/statsCaseExchangeUser/StatsCaseExchangeUserDto.java
@ -0,0 +1,96 @@
+package com.example.caseData.dto.statsCaseExchangeUser;
+
+import cn.hutool.core.bean.BeanUtil;
+import com.example.caseData.model.StatsCaseExchangeUserModel;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+import java.util.Collections;
+import java.util.List;
+import java.util.stream.Collectors;
+
+@Data
+public class StatsCaseExchangeUserDto {
+    /**
+     * 主键id
+     */
+    @JsonProperty("stats_id")
+    private String statsId;
+
+    /**
+     * 用户id
+     */
+    @JsonProperty("user_id")
+    private String userId;
+
+    /**
+     * 数量-病例交流
+     */
+    @JsonProperty("exchange_num")
+    private Integer exchangeNum;
+
+    /**
+     * 总阅读量-病例交流
+     */
+    @JsonProperty("exchange_read_num")
+    private Integer exchangeReadNum;
+
+    /**
+     * 总收藏量-病例交流
+     */
+    @JsonProperty("exchange_collect_num")
+    private Integer exchangeCollectNum;
+
+    /**
+     * 创建时间
+     */
+    @JsonProperty("created_at")
+    private LocalDateTime createdAt;
+
+    /**
+     * 修改时间
+     */
+    @JsonProperty("updated_at")
+    private LocalDateTime updatedAt;
+
+    /**
+     * 列表
+     */
+    public static List<StatsCaseExchangeUserDto> GetListDto(List<StatsCaseExchangeUserModel> models) {
+        if (models == null || models.isEmpty()) {
+            return Collections.emptyList();
+        }
+
+        return models.stream()
+                .map(model -> {
+                    StatsCaseExchangeUserDto dto = BeanUtil.copyProperties(model, StatsCaseExchangeUserDto.class);
+
+                    // 示例：手动处理字段类型不一致
+                    if (model.getStatsId() != null) {
+                        dto.setStatsId(String.valueOf(model.getStatsId())); // Long -> String
+                    }
+
+                    return dto;
+                })
+                .collect(Collectors.toList());
+    }
+
+    /**
+     * 详情
+     */
+    public static StatsCaseExchangeUserDto GetDto(StatsCaseExchangeUserModel model) {
+        if (model == null) {
+            return null;
+        }
+
+        StatsCaseExchangeUserDto dto = BeanUtil.copyProperties(model, StatsCaseExchangeUserDto.class);
+
+        // 示例：手动处理字段类型不一致
+        if (model.getStatsId() != null) {
+            dto.setStatsId(String.valueOf(model.getStatsId())); // Long -> String
+        }
+
+        return dto;
+    }
+} 
--- a/src/main/java/com/example/caseData/exception/GlobalExceptionHandler.java
+++ b/src/main/java/com/example/caseData/exception/GlobalExceptionHandler.java
@ -26,24 +26,6 @@ import java.util.Map;
@Slf4j
@ControllerAdvice
 public class GlobalExceptionHandler {
-    // 处理所有未捕获的异常
-    @ExceptionHandler(Exception.class)
-    public ResponseEntity<Map<String, Object>> handleGlobalException(Exception ex) {
-        System.out.print(ExceptionUtils.getStackTrace(ex));
-        Map<String, Object> errorResponse = new HashMap<>();
-
-        String message = ExceptionUtils.getStackTrace(ex);
-        if (EnvUtil.isProd()) {
-            log.error("error:{}", message);
-            message =  "内部错误";
-        }
-
-        errorResponse.put("message", "异常");
-        errorResponse.put("data", null);
-        errorResponse.put("code", HttpStatus.INTERNAL_SERVER_ERROR.value());
-        return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(errorResponse);
-    }
-
    // 处理 404 请求（接口不存在）
    @ExceptionHandler(HttpRequestMethodNotSupportedException.class)
    @ResponseStatus(HttpStatus.NOT_FOUND)
@ -92,4 +74,22 @@ public class GlobalExceptionHandler {
        errorResponse.put("code", ex.getCode());
        return ResponseEntity.ok(errorResponse);
    }
+
+    // 处理所有未捕获的异常
+    @ExceptionHandler(Exception.class)
+    public ResponseEntity<Map<String, Object>> handleGlobalException(Exception ex) {
+        System.out.print(ExceptionUtils.getStackTrace(ex));
+        Map<String, Object> errorResponse = new HashMap<>();
+
+        String message = ExceptionUtils.getStackTrace(ex);
+        if (EnvUtil.isProd()) {
+            log.error("error:{}", message);
+            message =  "内部错误";
+        }
+
+        errorResponse.put("message", "异常");
+        errorResponse.put("data", null);
+        errorResponse.put("code", HttpStatus.INTERNAL_SERVER_ERROR.value());
+        return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(errorResponse);
+    }
 }
--- a/src/main/java/com/example/caseData/model/BasicHospitalModel.java
+++ b/src/main/java/com/example/caseData/model/BasicHospitalModel.java
@ -1,6 +1,7 @@
 package com.example.caseData.model;

 import com.baomidou.mybatisplus.annotation.*;
+import com.fasterxml.jackson.annotation.JsonProperty;
 import lombok.Data;

 import java.time.LocalDateTime;
@ -67,6 +68,7 @@ public class BasicHospitalModel {
     * 创建时间
     */
    @TableField(fill = FieldFill.INSERT)
+    @JsonProperty("created_at")
    private LocalDateTime createdAt;

    /**
--- a/src/main/java/com/example/caseData/model/BasicSensitiveWordModel.java
+++ b/src/main/java/com/example/caseData/model/BasicSensitiveWordModel.java
@ -1,6 +1,7 @@
 package com.example.caseData.model;

 import com.baomidou.mybatisplus.annotation.*;
+import com.fasterxml.jackson.annotation.JsonProperty;
 import lombok.Data;

 import java.time.LocalDateTime;
@ -24,6 +25,7 @@ public class BasicSensitiveWordModel {
     * 创建时间
     */
    @TableField(fill = FieldFill.INSERT)
+    @JsonProperty("created_at")
    private LocalDateTime createdAt;

    /**
--- a/src/main/java/com/example/caseData/model/CaseClinicalArticleAuthorModel.java
+++ b/src/main/java/com/example/caseData/model/CaseClinicalArticleAuthorModel.java
@ -31,7 +31,7 @@ public class CaseClinicalArticleAuthorModel {
     * 创建时间
     */
    @TableField(fill = FieldFill.INSERT)
-    @JsonProperty("updated_at")
+    @JsonProperty("created_at")
    private LocalDateTime createdAt;

    /**
--- a/src/main/java/com/example/caseData/model/CaseClinicalArticleLabelModel.java
+++ b/src/main/java/com/example/caseData/model/CaseClinicalArticleLabelModel.java
@ -1,6 +1,7 @@
 package com.example.caseData.model;

 import com.baomidou.mybatisplus.annotation.*;
+import com.fasterxml.jackson.annotation.JsonProperty;
 import lombok.Data;

 import java.time.LocalDateTime;
@ -35,6 +36,7 @@ public class CaseClinicalArticleLabelModel {
     * 创建时间
     */
    @TableField(fill = FieldFill.INSERT)
+    @JsonProperty("created_at")
    private LocalDateTime createdAt;

    /**
--- a/src/main/java/com/example/caseData/model/CaseClinicalArticleModel.java
+++ b/src/main/java/com/example/caseData/model/CaseClinicalArticleModel.java
@ -53,7 +53,7 @@ public class CaseClinicalArticleModel {
     * 创建时间
     */
    @TableField(fill = FieldFill.INSERT)
-    @JsonProperty("updated_at")
+    @JsonProperty("created_at")
    private LocalDateTime createdAt;

    /**
--- a/src/main/java/com/example/caseData/model/CaseClinicalDoctorModel.java
+++ b/src/main/java/com/example/caseData/model/CaseClinicalDoctorModel.java
@ -52,7 +52,7 @@ public class CaseClinicalDoctorModel {
     * 创建时间
     */
    @TableField(fill = FieldFill.INSERT)
-    @JsonProperty("updated_at")
+    @JsonProperty("created_at")
    private LocalDateTime createdAt;

    /**
--- a/src/main/java/com/example/caseData/model/CaseClinicalVideoLabelModel.java
+++ b/src/main/java/com/example/caseData/model/CaseClinicalVideoLabelModel.java
@ -37,7 +37,7 @@ public class CaseClinicalVideoLabelModel {
     * 创建时间
     */
    @TableField(fill = FieldFill.INSERT)
-    @JsonProperty("updated_at")
+    @JsonProperty("created_at")
    private LocalDateTime createdAt;

    /**
--- a/src/main/java/com/example/caseData/model/CaseClinicalVideoModel.java
+++ b/src/main/java/com/example/caseData/model/CaseClinicalVideoModel.java
@ -56,7 +56,7 @@ public class CaseClinicalVideoModel {
     * 创建时间
     */
    @TableField(fill = FieldFill.INSERT)
-    @JsonProperty("updated_at")
+    @JsonProperty("created_at")
    private LocalDateTime createdAt;

    /**
--- a/src/main/java/com/example/caseData/model/CaseExchangeLabelModel.java
+++ b/src/main/java/com/example/caseData/model/CaseExchangeLabelModel.java
@ -0,0 +1,52 @@
+package com.example.caseData.model;
+
+import com.baomidou.mybatisplus.annotation.*;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+
+/**
+ * 病例库-病例交流-标签实体类
+ */
+@Data // Lombok注解，用于自动生成getter/setter方法等
+@TableName("`case_exchange_label`") // 指定数据库表名
+public class CaseExchangeLabelModel {
+    /**
+     * 主键id
+     */
+    @TableId(type = IdType.ASSIGN_ID) // 使用MyBatis-Plus的ID生成策略
+    private Long exchangeLabelId;
+
+    /**
+     * 临床文章id
+     */
+    @TableField("exchange_id")
+    private Long exchangeId;
+
+    /**
+     * app唯一标识
+     */
+    @TableField("app_iden")
+    private String appIden;
+
+    /**
+     * 标签名称
+     */
+    @TableField("label_name")
+    private String labelName;
+
+    /**
+     * 创建时间
+     */
+    @TableField(fill = FieldFill.INSERT)
+    @JsonProperty("created_at")
+    private LocalDateTime createdAt;
+
+    /**
+     * 修改时间
+     */
+    @TableField(fill = FieldFill.INSERT_UPDATE)
+    @JsonProperty("updated_at")
+    private LocalDateTime updatedAt;
+}
--- a/src/main/java/com/example/caseData/model/CaseExchangeModel.java
+++ b/src/main/java/com/example/caseData/model/CaseExchangeModel.java
@ -0,0 +1,90 @@
+package com.example.caseData.model;
+
+import com.baomidou.mybatisplus.annotation.*;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+import java.util.List;
+
+/**
+ * 病例库-病例交流实体类
+ */
+@Data // Lombok注解，用于自动生成getter/setter方法等
+@TableName("`case_exchange`") // 指定数据库表名
+public class CaseExchangeModel {
+    /**
+     * 主键id
+     */
+    @TableId(type = IdType.ASSIGN_ID) // 使用MyBatis-Plus的ID生成策略
+    private Long exchangeId;
+
+    /**
+     * 用户id
+     */
+    @TableField("user_id")
+    private Long userId;
+
+    /**
+     * 标题
+     */
+    @TableField("exchange_title")
+    private String exchangeTitle;
+
+    /**
+     * 状态（1:正常 2:禁用）
+     */
+    @TableField("exchange_status")
+    private Integer exchangeStatus;
+
+    /**
+     * 阅读量
+     */
+    @TableField("read_num")
+    private Integer readNum;
+
+    /**
+     * 收藏量
+     */
+    @TableField("collect_num")
+    private Integer collectNum;
+
+    /**
+     * 发表时间
+     */
+    @TableField("push_date")
+    private LocalDateTime pushDate;
+
+    /**
+     * 内容
+     */
+    @TableField("exchange_content")
+    private String exchangeContent;
+
+    /**
+     * 总结
+     */
+    @TableField("exchange_summary")
+    private String exchangeSummary;
+
+    /**
+     * 创建时间
+     */
+    @TableField(fill = FieldFill.INSERT)
+    @JsonProperty("created_at")
+    private LocalDateTime createdAt;
+
+    /**
+     * 修改时间
+     */
+    @TableField(fill = FieldFill.INSERT_UPDATE)
+    @JsonProperty("updated_at")
+    private LocalDateTime updatedAt;
+
+    /**
+     * 投票
+     */
+    @TableField(exist = false)
+    @JsonProperty("case_exchange_vote")
+    private CaseExchangeVoteModel caseExchangeVote;
+}
--- a/src/main/java/com/example/caseData/model/CaseExchangeVoteModel.java
+++ b/src/main/java/com/example/caseData/model/CaseExchangeVoteModel.java
@ -0,0 +1,58 @@
+package com.example.caseData.model;
+
+import com.baomidou.mybatisplus.annotation.*;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+import java.util.List;
+
+/**
+ * 病例库-病例交流-投票实体类
+ */
+@Data // Lombok注解，用于自动生成getter/setter方法等
+@TableName("`case_exchange_vote`") // 指定数据库表名
+public class CaseExchangeVoteModel {
+    /**
+     * 主键id
+     */
+    @TableId(type = IdType.ASSIGN_ID) // 使用MyBatis-Plus的ID生成策略
+    private Long voteId;
+
+    /**
+     * 病例交流id
+     */
+    @TableField("exchange_id")
+    private Long exchangeId;
+
+    /**
+     * 选项标题
+     */
+    @TableField("vote_title")
+    private String voteTitle;
+
+    /**
+     * 结束投票时间
+     */
+    @TableField("end_time")
+    private LocalDateTime endTime;
+
+    /**
+     * 创建时间
+     */
+    @TableField(fill = FieldFill.INSERT)
+    @JsonProperty("created_at")
+    private LocalDateTime createdAt;
+
+    /**
+     * 修改时间
+     */
+    @TableField(fill = FieldFill.INSERT_UPDATE)
+    @JsonProperty("updated_at")
+    private LocalDateTime updatedAt;
+
+    // 选项
+    @TableField(exist = false)
+    @JsonProperty("case_exchange_vote_option")
+    private List<CaseExchangeVoteOptionModel> caseExchangeVoteOption;
+}
--- a/src/main/java/com/example/caseData/model/CaseExchangeVoteOptionModel.java
+++ b/src/main/java/com/example/caseData/model/CaseExchangeVoteOptionModel.java
@ -0,0 +1,52 @@
+package com.example.caseData.model;
+
+import com.baomidou.mybatisplus.annotation.*;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+
+/**
+ * 病例库-病例交流-投票选项实体类
+ */
+@Data // Lombok注解，用于自动生成getter/setter方法等
+@TableName("`case_exchange_vote_option`") // 指定数据库表名
+public class CaseExchangeVoteOptionModel {
+    /**
+     * 主键id
+     */
+    @TableId(type = IdType.ASSIGN_ID) // 使用MyBatis-Plus的ID生成策略
+    private Long optionId;
+
+    /**
+     * 投票id
+     */
+    @TableField("vote_id")
+    private Long voteId;
+
+    /**
+     * 选项
+     */
+    @TableField("option_value")
+    private String optionValue;
+
+    /**
+     * 票数
+     */
+    @TableField("vote_num")
+    private Integer voteNum;
+
+    /**
+     * 创建时间
+     */
+    @TableField(fill = FieldFill.INSERT)
+    @JsonProperty("created_at")
+    private LocalDateTime createdAt;
+
+    /**
+     * 修改时间
+     */
+    @TableField(fill = FieldFill.INSERT_UPDATE)
+    @JsonProperty("updated_at")
+    private LocalDateTime updatedAt;
+}
--- a/src/main/java/com/example/caseData/model/StatsCaseClinicalDoctorModel.java
+++ b/src/main/java/com/example/caseData/model/StatsCaseClinicalDoctorModel.java
@ -1,6 +1,7 @@
 package com.example.caseData.model;

 import com.baomidou.mybatisplus.annotation.*;
+import com.fasterxml.jackson.annotation.JsonProperty;
 import lombok.Data;

 import java.time.LocalDateTime;
@ -63,6 +64,7 @@ public class StatsCaseClinicalDoctorModel {
     * 创建时间
     */
    @TableField(fill = FieldFill.INSERT)
+    @JsonProperty("created_at")
    private LocalDateTime createdAt;

    /**
--- a/src/main/java/com/example/caseData/model/StatsCaseClinicalHospitalModel.java
+++ b/src/main/java/com/example/caseData/model/StatsCaseClinicalHospitalModel.java
@ -67,7 +67,7 @@ public class StatsCaseClinicalHospitalModel {
     * 创建时间
     */
    @TableField(fill = FieldFill.INSERT)
-    @JsonProperty("updated_at")
+    @JsonProperty("created_at")
    private LocalDateTime createdAt;

    /**
--- a/src/main/java/com/example/caseData/model/StatsCaseClinicalModel.java
+++ b/src/main/java/com/example/caseData/model/StatsCaseClinicalModel.java
@ -1,6 +1,7 @@
 package com.example.caseData.model;

 import com.baomidou.mybatisplus.annotation.*;
+import com.fasterxml.jackson.annotation.JsonProperty;
 import lombok.Data;

 import java.time.LocalDateTime;
@ -14,6 +15,12 @@ public class StatsCaseClinicalModel {
    @TableId(type = IdType.ASSIGN_ID) // 使用MyBatis-Plus的ID生成策略
    private Long statsId;

+    /**
+     * 数量-文章
+     */
+    @TableField("article_num")
+    private Integer articleNum;
+
    /**
     * 总阅读量-文章
     */
@ -26,6 +33,12 @@ public class StatsCaseClinicalModel {
    @TableField("article_collect_num")
    private Integer articleCollectNum;

+    /**
+     * 数量-视频
+     */
+    @TableField("video_num")
+    private Integer videoNum;
+
    /**
     * 总阅读量-视频
     */
@ -42,6 +55,7 @@ public class StatsCaseClinicalModel {
     * 创建时间
     */
    @TableField(fill = FieldFill.INSERT)
+    @JsonProperty("created_at")
    private LocalDateTime createdAt;

    /**
--- a/src/main/java/com/example/caseData/model/StatsCaseExchangeModel.java
+++ b/src/main/java/com/example/caseData/model/StatsCaseExchangeModel.java
@ -0,0 +1,51 @@
+package com.example.caseData.model;
+
+import com.baomidou.mybatisplus.annotation.*;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+
+/**
+ * 统计表-病例库-病例交流实体类
+ */
+@Data // Lombok注解，用于自动生成getter/setter方法等
+@TableName("`stats_case_exchange`") // 指定数据库表名
+public class StatsCaseExchangeModel {
+    /**
+     * 主键id
+     */
+    @TableId(type = IdType.ASSIGN_ID) // 使用MyBatis-Plus的ID生成策略
+    private Long statsId;
+
+    /**
+     * 数量-病例交流
+     */
+    @TableField("exchange_num")
+    private Integer exchangeNum;
+
+    /**
+     * 总阅读量-病例交流
+     */
+    @TableField("exchange_read_num")
+    private Integer exchangeReadNum;
+
+    /**
+     * 总收藏量-病例交流
+     */
+    @TableField("exchange_collect_num")
+    private Integer exchangeCollectNum;
+
+    /**
+     * 创建时间
+     */
+    @TableField(fill = FieldFill.INSERT)
+    @JsonProperty("created_at")
+    private LocalDateTime createdAt;
+
+    /**
+     * 修改时间
+     */
+    @TableField(fill = FieldFill.INSERT_UPDATE)
+    private LocalDateTime updatedAt;
+}
--- a/src/main/java/com/example/caseData/model/StatsCaseExchangeUserModel.java
+++ b/src/main/java/com/example/caseData/model/StatsCaseExchangeUserModel.java
@ -0,0 +1,57 @@
+package com.example.caseData.model;
+
+import com.baomidou.mybatisplus.annotation.*;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+
+/**
+ * 统计表-病例库-病例交流-用户实体类
+ */
+@Data // Lombok注解，用于自动生成getter/setter方法等
+@TableName("`stats_case_exchange_user`") // 指定数据库表名
+public class StatsCaseExchangeUserModel {
+    /**
+     * 主键id
+     */
+    @TableId(type = IdType.ASSIGN_ID) // 使用MyBatis-Plus的ID生成策略
+    private Long statsId;
+
+    /**
+     * 用户id
+     */
+    @TableField("user_id")
+    private Long userId;
+
+    /**
+     * 数量-病例交流
+     */
+    @TableField("exchange_num")
+    private Integer exchangeNum;
+
+    /**
+     * 总阅读量-病例交流
+     */
+    @TableField("exchange_read_num")
+    private Integer exchangeReadNum;
+
+    /**
+     * 总收藏量-病例交流
+     */
+    @TableField("exchange_collect_num")
+    private Integer exchangeCollectNum;
+
+    /**
+     * 创建时间
+     */
+    @TableField(fill = FieldFill.INSERT)
+    @JsonProperty("created_at")
+    private LocalDateTime createdAt;
+
+    /**
+     * 修改时间
+     */
+    @TableField(fill = FieldFill.INSERT_UPDATE)
+    private LocalDateTime updatedAt;
+}
--- a/src/main/java/com/example/caseData/model/UserCollectClinicalArticleModel.java
+++ b/src/main/java/com/example/caseData/model/UserCollectClinicalArticleModel.java
@ -1,6 +1,7 @@
 package com.example.caseData.model;

 import com.baomidou.mybatisplus.annotation.*;
+import com.fasterxml.jackson.annotation.JsonProperty;
 import lombok.Data;

 import java.time.LocalDateTime;
@ -30,6 +31,7 @@ public class UserCollectClinicalArticleModel {
     * 创建时间
     */
    @TableField(fill = FieldFill.INSERT)
+    @JsonProperty("created_at")
    private LocalDateTime createdAt;

    /**
--- a/src/main/java/com/example/caseData/model/UserCollectClinicalVideoModel.java
+++ b/src/main/java/com/example/caseData/model/UserCollectClinicalVideoModel.java
@ -1,6 +1,7 @@
 package com.example.caseData.model;

 import com.baomidou.mybatisplus.annotation.*;
+import com.fasterxml.jackson.annotation.JsonProperty;
 import lombok.Data;

 import java.time.LocalDateTime;
@ -30,6 +31,7 @@ public class UserCollectClinicalVideoModel {
     * 创建时间
     */
    @TableField(fill = FieldFill.INSERT)
+    @JsonProperty("created_at")
    private LocalDateTime createdAt;

    /**
--- a/src/main/java/com/example/caseData/model/UserCollectExchangeModel.java
+++ b/src/main/java/com/example/caseData/model/UserCollectExchangeModel.java
@ -0,0 +1,45 @@
+package com.example.caseData.model;
+
+import com.baomidou.mybatisplus.annotation.*;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+
+/**
+ * 用户收藏-病例交流实体类
+ */
+@Data // Lombok注解，用于自动生成getter/setter方法等
+@TableName("`user_collect_exchange`") // 指定数据库表名
+public class UserCollectExchangeModel {
+    /**
+     * 主键id
+     */
+    @TableId(type = IdType.ASSIGN_ID) // 使用MyBatis-Plus的ID生成策略
+    private Long collectId;
+
+    /**
+     * 用户id
+     */
+    @TableField("user_id")
+    private Long userId;
+
+    /**
+     * 临床文章id
+     */
+    @TableField("exchange_id")
+    private Long exchangeId;
+
+    /**
+     * 创建时间
+     */
+    @TableField(fill = FieldFill.INSERT)
+    @JsonProperty("created_at")
+    private LocalDateTime createdAt;
+
+    /**
+     * 修改时间
+     */
+    @TableField(fill = FieldFill.INSERT_UPDATE)
+    private LocalDateTime updatedAt;
+}
--- a/src/main/java/com/example/caseData/model/UserCommentClinicalArticleModel.java
+++ b/src/main/java/com/example/caseData/model/UserCommentClinicalArticleModel.java
@ -1,6 +1,7 @@
 package com.example.caseData.model;

 import com.baomidou.mybatisplus.annotation.*;
+import com.fasterxml.jackson.annotation.JsonProperty;
 import lombok.Data;

 import java.time.LocalDateTime;
@ -90,6 +91,7 @@ public class UserCommentClinicalArticleModel {
     * 创建时间
     */
    @TableField(fill = FieldFill.INSERT)
+    @JsonProperty("created_at")
    private LocalDateTime createdAt;

    /**
--- a/src/main/java/com/example/caseData/model/UserCommentClinicalVideoModel.java
+++ b/src/main/java/com/example/caseData/model/UserCommentClinicalVideoModel.java
@ -1,6 +1,7 @@
 package com.example.caseData.model;

 import com.baomidou.mybatisplus.annotation.*;
+import com.fasterxml.jackson.annotation.JsonProperty;
 import lombok.Data;

 import java.time.LocalDateTime;
@ -84,6 +85,7 @@ public class UserCommentClinicalVideoModel {
     * 创建时间
     */
    @TableField(fill = FieldFill.INSERT)
+    @JsonProperty("created_at")
    private LocalDateTime createdAt;

    /**
--- a/src/main/java/com/example/caseData/model/UserCommentExchangeModel.java
+++ b/src/main/java/com/example/caseData/model/UserCommentExchangeModel.java
@ -0,0 +1,103 @@
+package com.example.caseData.model;
+
+import com.baomidou.mybatisplus.annotation.*;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+
+/**
+ * 用户评论-病例交流实体类
+ */
+@Data // Lombok注解，用于自动生成getter/setter方法等
+@TableName("`user_comment_exchange`") // 指定数据库表名
+public class UserCommentExchangeModel {
+    /**
+     * 主键id
+     */
+    @TableId(type = IdType.ASSIGN_ID) // 使用MyBatis-Plus的ID生成策略
+    private Long commentId;
+
+    /**
+     * 用户id
+     */
+    @TableField("user_id")
+    private Long userId;
+
+    /**
+     * 病例交流id
+     */
+    @TableField("exchange_id")
+    private Long exchangeId;
+
+    /**
+     * 父级id，一级评论为null
+     */
+    @TableField("parent_id")
+    private Long parentId;
+
+    /**
+     * 根评论id，一级评论时为null。其余为一级评论id
+     */
+    @TableField("root_id")
+    private Long rootId;
+
+    /**
+     * 评论状态（0:禁用 1:正常）
+     */
+    private Integer status;
+
+    /**
+     * 是否存在敏感词（0:否 1:是）
+     */
+    @TableField("is_sensitive")
+    private Integer isSensitive;
+
+    /**
+     * 是否置顶（0:否 1:是）
+     */
+    @TableField("is_top")
+    private Integer isTop;
+
+    /**
+     * 点赞数量
+     */
+    @TableField("like_num")
+    private Integer likeNum;
+
+    /**
+     * 是否作者评论（0:否 1:是）
+     */
+    @TableField("is_author")
+    private Integer isAuthor;
+
+    /**
+     * 评论内容
+     */
+    private String content;
+
+    /**
+     * 评论内容(原版)
+     */
+    @TableField("content_word")
+    private String contentWord;
+
+    /**
+     * 评论图片
+     */
+    @TableField("comment_image")
+    private String commentImage;
+
+    /**
+     * 创建时间
+     */
+    @TableField(fill = FieldFill.INSERT)
+    @JsonProperty("created_at")
+    private LocalDateTime createdAt;
+
+    /**
+     * 修改时间
+     */
+    @TableField(fill = FieldFill.INSERT_UPDATE)
+    private LocalDateTime updatedAt;
+}
--- a/src/main/java/com/example/caseData/model/UserVoteExchangeModel.java
+++ b/src/main/java/com/example/caseData/model/UserVoteExchangeModel.java
@ -0,0 +1,57 @@
+package com.example.caseData.model;
+
+import com.baomidou.mybatisplus.annotation.*;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+
+/**
+ * 用户投票表-病例交流实体类
+ */
+@Data // Lombok注解，用于自动生成getter/setter方法等
+@TableName("`user_vote_exchange`") // 指定数据库表名
+public class UserVoteExchangeModel {
+    /**
+     * 主键id
+     */
+    @TableId(type = IdType.ASSIGN_ID) // 使用MyBatis-Plus的ID生成策略
+    private Long voteExchangeId;
+
+    /**
+     * 用户id
+     */
+    @TableField("user_id")
+    private Long userId;
+
+    /**
+     * 病例交流id
+     */
+    @TableField("exchange_id")
+    private Long exchangeId;
+
+    /**
+     * 投票id
+     */
+    @TableField("vote_id")
+    private Long voteId;
+
+    /**
+     * 投票时间
+     */
+    @TableField("vote_time")
+    private LocalDateTime voteTime;
+
+    /**
+     * 创建时间
+     */
+    @TableField(fill = FieldFill.INSERT)
+    @JsonProperty("created_at")
+    private LocalDateTime createdAt;
+
+    /**
+     * 修改时间
+     */
+    @TableField(fill = FieldFill.INSERT_UPDATE)
+    private LocalDateTime updatedAt;
+}
--- a/src/main/java/com/example/caseData/request/caseExchangeRequest/getCaseExchangeSearchPage.java
+++ b/src/main/java/com/example/caseData/request/caseExchangeRequest/getCaseExchangeSearchPage.java
@ -0,0 +1,88 @@
+package com.example.caseData.request.caseExchangeRequest;
+
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import jakarta.validation.constraints.Min;
+import lombok.Data;
+import org.springframework.util.StringUtils;
+
+import java.util.HashMap;
+import java.util.Map;
+
+@Data
+public class getCaseExchangeSearchPage {
+    // ✅ 分页参数
+    @Min(value = 1,message = "页码最小为 1")
+    private Integer page = 1;
+
+    @JsonProperty("page_size")
+    @Min(value = 1, message = "每页个数最小为 1")
+    private Integer pageSize = 20;
+
+    // 标题/作者名称/疾病名称
+    @JsonProperty("keyword")
+    private String keyword;
+
+    // 用户id
+    @JsonProperty("user_id")
+    private String userId;
+
+    // 排序字段
+    private OrderRequest order;
+
+    /**
+     * 排序字段嵌套结构体
+     */
+    @Data
+    public static class OrderRequest {
+        @JsonProperty("created_at")
+        private String createdAt;      // 创建时间
+
+        @JsonProperty("read_num")
+        private String readNum;      // 阅读量
+
+        @JsonProperty("push_date")
+        private String pushDate;      // 发表时间
+
+        public Map<String, String> toMap() {
+            Map<String, String> map = new HashMap<>();
+            if (StringUtils.hasText(createdAt)) {
+                map.put("a.created_at", createdAt);
+            }
+
+            if (StringUtils.hasText(readNum)) {
+                map.put("a.read_num", readNum);
+            }
+
+            if (StringUtils.hasText(pushDate)) {
+                map.put("a.push_date", pushDate);
+            }
+
+            // 默认排序（如果用户未传递任何排序字段）
+            if (map.isEmpty()) {
+                map.put("a.updated_at", "desc");
+            }
+
+            return map;
+        }
+    }
+
+    /**
+     * 获取排序字段，若无用户输入则使用默认排序
+     */
+    public Map<String, String> handleOrder() {
+        return order != null ? order.toMap() : new OrderRequest().toMap();
+    }
+
+    // ✅ 校验分页参数
+    public void validateForPage() {
+        // 如果 page 为空，设为默认值 1
+        if (page == null) {
+            page = 1;
+        }
+
+        if (pageSize == null) {
+            pageSize = 20;
+        }
+    }
+}
--- a/src/main/java/com/example/caseData/service/CaseExchangeService.java
+++ b/src/main/java/com/example/caseData/service/CaseExchangeService.java
@ -0,0 +1,30 @@
+package com.example.caseData.service;
+
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.example.caseData.dao.UserCollectClinicalArticleDao;
+import com.example.caseData.dao.UserCollectExchangeDao;
+import com.example.caseData.model.UserCollectExchangeModel;
+import jakarta.annotation.Resource;
+import org.springframework.stereotype.Service;
+
+@Service
+public class CaseExchangeService {
+
+    @Resource
+    private UserCollectExchangeDao userCollectExchangeDao;
+
+    /**
+     * 获取用户收藏数据
+     * @param exchangeId 病例交流id
+     * @param userId 用户id
+     * @return bool false:未收藏 true：已收藏
+     */
+    public UserCollectExchangeModel getUserCollectExchangeStatus(String exchangeId, String userId){
+        // 检测用户是否已收藏过
+        LambdaQueryWrapper<UserCollectExchangeModel> mapQueryWrapper = new LambdaQueryWrapper<>();
+        mapQueryWrapper.eq(UserCollectExchangeModel::getUserId, userId);
+        mapQueryWrapper.eq(UserCollectExchangeModel::getExchangeId, exchangeId);
+
+        return userCollectExchangeDao.selectOne(mapQueryWrapper);
+    }
+}
--- a/src/main/resources/mapper/CaseExchangeMapper.xml
+++ b/src/main/resources/mapper/CaseExchangeMapper.xml
@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.example.caseData.dao.CaseExchangeDao">
+    <select id="getCaseExchangeSearchPage" resultType="com.example.caseData.dto.caseExchange.CaseExchangeDto">
+        SELECT DISTINCT
+        a.*,
+        c.user_name,
+        c.avatar,
+        c.hospital_id
+        FROM case_exchange a
+        LEFT JOIN case_exchange_label b ON a.exchange_id = b.exchange_id
+        LEFT JOIN user c ON c.user_id = a.user_id
+        WHERE a.exchange_status = 1
+        <if test="keyword != null and keyword != ''">
+            AND (
+            a.exchange_title LIKE CONCAT('%', #{keyword}, '%')
+            OR c.user_name LIKE CONCAT('%', #{keyword}, '%')
+            OR b.label_name LIKE CONCAT('%', #{keyword}, '%')
+            )
+        </if>
+        <if test="userId != null and userId != ''">
+            AND c.user_id = ${userId}
+        </if>
+        <if test="order != null and !order.isEmpty()">
+            ORDER BY
+            <foreach item="entry" index="key" collection="order" separator=",">
+                ${key} ${entry}
+            </foreach>
+        </if>
+    </select>
+</mapper>