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haomingming 2026-01-04 13:46:45 +08:00
parent e9970d5057
commit 7881d80b35
1 changed files with 81 additions and 70 deletions
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sa-admin/src/main/java/net/lab1024/sa/admin/module/business/caseplatformcase/converter/CustomExcelWriteHandler.java
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@ -7,7 +7,9 @@ import com.alibaba.excel.write.metadata.holder.WriteSheetHolder;
import com.alibaba.excel.write.metadata.holder.WriteWorkbookHolder;
import org.apache.poi.ss.usermodel.*;
import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.xssf.streaming.SXSSFSheet;
import java.io.IOException;
import java.util.List;
public class CustomExcelWriteHandler implements WriteHandler {
@ -15,6 +17,9 @@ public class CustomExcelWriteHandler implements WriteHandler {
private final double totalTax;
private final double totalTotal;
private final int dataSize;
private boolean totalRowCreated = false;
// 缓存 Workbook（在 afterSheetCreate 中初始化）
private Workbook workbook;
public CustomExcelWriteHandler(double totalActual, double totalTax, double totalTotal, int dataSize) {
this.totalActual = totalActual;
@ -24,8 +29,8 @@ public class CustomExcelWriteHandler implements WriteHandler {
}
public void afterSheetCreate(WriteWorkbookHolder writeWorkbookHolder, WriteSheetHolder writeSheetHolder) {
// 工作表创建后，先处理大标题、表头样式、列宽（此时还未写入数据，行未刷盘）
Workbook workbook = writeWorkbookHolder.getWorkbook();
// 初始化 Workbook 缓存（关键：兼容低版本）
this.workbook = writeWorkbookHolder.getWorkbook();
Sheet sheet = writeSheetHolder.getSheet();
// 1. 处理大标题（第0行）
@ -33,7 +38,6 @@ public class CustomExcelWriteHandler implements WriteHandler {
titleRow.setHeightInPoints(30);
Cell titleCell = titleRow.createCell(0);
titleCell.setCellValue("人工肝诊疗病例征集项目专家劳务费表");
// 合并大标题单元格（0行0列到0行最后一列）
sheet.addMergedRegion(new CellRangeAddress(0, 0, 0, 13));
// 大标题样式
CellStyle titleStyle = workbook.createCellStyle();
@ -60,21 +64,14 @@ public class CustomExcelWriteHandler implements WriteHandler {
headRow.setHeightInPoints(25);
}
public void afterWorkbookDispose(WriteWorkbookHolder writeWorkbookHolder) {
// 数据写入完成后，处理合计行和数据行高（此时所有数据行已写入，但合计行是新创建的，未刷盘）
Workbook workbook = writeWorkbookHolder.getWorkbook();
Sheet sheet = workbook.getSheetAt(0);
// 关键：数据行写入完成后创建合计行（兼容低版本）
public void afterRowDispose(WriteSheetHolder writeSheetHolder, Row row, Integer relativeRowIndex, Boolean isHead) throws IOException {
// 仅在最后一行数据写入后创建合计行，且未创建过
if (!totalRowCreated && relativeRowIndex != null && relativeRowIndex == dataSize - 1) {
Sheet sheet = writeSheetHolder.getSheet();
// 1. 设置数据行行高（第2行到数据最后一行）
for (int i = 2; i <= dataSize + 1; i++) { // 数据从第2行开始，共dataSize行
Row row = sheet.getRow(i);
if (row != null) {
row.setHeightInPoints(22);
}
}
// 2. 处理合计行
int totalRowIndex = dataSize + 2; // 合计行在数据行最后一行的下一行
// 修正合计行索引：0=大标题，1=表头，2~1+dataSize=数据，2+dataSize=合计
int totalRowIndex = 2 + dataSize;
Row totalRow = sheet.createRow(totalRowIndex);
totalRow.setHeightInPoints(22);
@ -93,13 +90,13 @@ public class CustomExcelWriteHandler implements WriteHandler {
totalStyle.setBorderLeft(BorderStyle.THIN);
totalStyle.setBorderRight(BorderStyle.THIN);
// 合并前6列（0-5）写“合计”
// 合并前6列写“合计”
sheet.addMergedRegion(new CellRangeAddress(totalRowIndex, totalRowIndex, 0, 5));
Cell totalCell = totalRow.createCell(0);
totalCell.setCellValue("合计");
totalCell.setCellStyle(totalStyle);
// 实发（6列）、个税（8列）、应发（9列）设置值和样式
// 实发、个税、应发赋值+样式
Cell actualCell = totalRow.createCell(6);
actualCell.setCellValue(totalActual);
actualCell.setCellStyle(totalStyle);
@ -112,7 +109,7 @@ public class CustomExcelWriteHandler implements WriteHandler {
totalAmtCell.setCellValue(totalTotal);
totalAmtCell.setCellStyle(totalStyle);
// 其他列补充边框样式
// 其他列补充边框
CellStyle borderStyle = workbook.createCellStyle();
borderStyle.setBorderBottom(BorderStyle.THIN);
borderStyle.setBorderTop(BorderStyle.THIN);
@ -122,7 +119,7 @@ public class CustomExcelWriteHandler implements WriteHandler {
for (int i = 0; i < 14; i++) {
if (i == 0 || i == 6 || i == 8 || i == 9) {
continue; // 已设置样式的列跳过
continue;
}
Cell cell = totalRow.getCell(i);
if (cell == null) {
@ -130,14 +127,28 @@ public class CustomExcelWriteHandler implements WriteHandler {
}
cell.setCellStyle(borderStyle);
}
// 标记合计行已创建
totalRowCreated = true;
// 强制刷新（兼容SXSSF）
if (sheet instanceof SXSSFSheet) {
((SXSSFSheet) sheet).flushRows();
}
}
// 其他默认方法实现
// 设置数据行行高
if (row.getRowNum() >= 2 && row.getRowNum() <= 1 + dataSize) {
row.setHeightInPoints(22);
}
}
// 其他默认方法（无需修改）
public void beforeSheetCreate(WriteWorkbookHolder writeWorkbookHolder, WriteSheetHolder writeSheetHolder) {}
public void beforeWorkbookCreate(WriteWorkbookHolder writeWorkbookHolder) {}
public void beforeWorkbookDispose(WriteWorkbookHolder writeWorkbookHolder) {}
public void afterWorkbookDispose(WriteWorkbookHolder writeWorkbookHolder) {}
public void afterRowCreate(WriteSheetHolder writeSheetHolder, Row row, Integer relativeRowIndex, Boolean isHead) {}
public void afterRowDispose(WriteSheetHolder writeSheetHolder, Row row, Integer relativeRowIndex, Boolean isHead) {}
public void beforeRowCreate(WriteSheetHolder writeSheetHolder, Integer rowIndex, Integer relativeRowIndex, Boolean isHead) {}
public void beforeRowDispose(WriteSheetHolder writeSheetHolder, Row row, Integer relativeRowIndex, Boolean isHead) {}
public void afterCellCreate(WriteSheetHolder writeSheetHolder, Cell cell, Head head, Integer relativeRowIndex, Boolean isHead) {}