上传图片

2025-05-14 15:28:00 +08:00
parent 2c3f44b362
commit b2bdaeaff3
4 changed files with 87 additions and 132 deletions
@@ -1,6 +1,9 @@
 import HashMap from '@ohos.util.HashMap';
 import { Base64Util } from './Base64Util';
 import { CryptoJS } from '@ohos/crypto-js';
+import { logger } from './logger';
+import image from '@ohos.multimedia.image';
+import fs from '@ohos.file.fs';


 export class ChangeUtil {
@@ -54,5 +57,66 @@ export class ChangeUtil {
    return reg2.test(password);
  }

+  /**
+   * 将图片转换为base64字符串
+   * @param imageUri 图片URI
+   * @returns Promise<string> base64字符串
+   */
+  static async imageToBase64(imageUri: string): Promise<string> {
+    // 1. 验证URI有效性
+    if (!imageUri || !imageUri.startsWith('file://')) {
+      throw new Error('无效的图片URI，必须以file://开头');
+    }
+    let imageSource: image.ImageSource | undefined;
+    let pixelMap: image.PixelMap | undefined;
+    let imagePacker: image.ImagePacker | undefined;
+    try {
+      const file = fs.openSync(imageUri, fs.OpenMode.READ_ONLY);
+      const imageSource = image.createImageSource(file.fd);
+      if (!imageSource) {
+        throw new Error('创建ImageSource失败，请检查图片路径');
+      }
+      logger.info('正在获取图片信息...');
+      const imageInfo = await imageSource.getImageInfo();
+      logger.info(`图片尺寸: ${imageInfo.size.width}x${imageInfo.size.height}`);
+      pixelMap = await imageSource.createPixelMap({
+        desiredSize: {
+          width: imageInfo.size.width,
+          height: imageInfo.size.height
+        }
+      });
+      if (!pixelMap) {
+        throw new Error('创建PixelMap失败');
+      }
+      // 5. 压缩图片
+      imagePacker = image.createImagePacker();
+      const packOpts: image.PackingOption = {
+        format: "image/jpeg",
+        quality: 80  // 适当提高质量保证清晰度
+      };
+      logger.info('正在压缩图片...');
+      const arrayBuffer = await imagePacker.packing(pixelMap, packOpts);
+      const unit8Array = new Uint8Array(arrayBuffer);
+      let binary = '';
+      unit8Array.forEach(byte => {
+        binary += String.fromCharCode(byte);
+      });
+      const base64String = Base64Util.encodeToStrSync(binary);
+      logger.info(`图片转换成功，大小: ${Math.round(base64String.length / 1024)}KB`);
+      return base64String;
+    } catch (error) {
+      logger.error('图片处理失败: ' + JSON.stringify(error));
+      throw new Error(`图片处理失败: ${error.message}`);
+    } finally {
+      // 7. 确保释放资源
+      try {
+        pixelMap?.release();
+        imageSource?.release();
+        imagePacker?.release();
+      } catch (e) {
+        logger.error('资源释放异常: ' + JSON.stringify(e));
+      }
+    }
+  }

 }
@@ -7,8 +7,6 @@ import { HashMap } from '@kit.ArkTS';
 import { CryptoJS } from '@ohos/crypto-js'
 import { Base64Util } from './Base64Util';
 import { ChangeUtil } from './ChangeUtil'
-import { BasicConstant } from '../constants/BasicConstant'
-import image from '@ohos.multimedia.image';

 interface HdRequestOptions {
  baseURL?: string
@@ -270,114 +268,6 @@ class HdHttp {
      return '';
    }
  }
-
-  /**
-   * 上传图片方法
-   * @param url 上传地址
-   * @param imageUri 图片URI
-   * @param params 其他参数
-   * @returns Promise<HdResponse<T>>
-   */
-  async uploadImage<T>(url: string, imageUrl: string): Promise<HdResponse<T>> {
-    try {
-      // 1. 读取图片文件并转换为base64
-      const imageBase64 = await this.imageToBase64(imageUrl);
-
-      // 2. 准备上传参数
-      const uploadParams: UploadImageParams = {
-        uuid: authStore.getUser().uuid || '',
-        userName: authStore.getUser().userName || '',
-        photo: imageBase64,
-        type: '2' // 根据业务需求设置类型
-      };
-
-      // 3. 转换为HashMap格式 - 使用类型安全的方式
-      const hashMap = new HashMap<string, string>();
-      hashMap.set('uuid', uploadParams.uuid);
-      hashMap.set('userName', uploadParams.userName);
-      hashMap.set('photo', uploadParams.photo);
-      hashMap.set('type', uploadParams.type);
-
-      // 4. 调用posts方法上传
-      return this.posts<T>(url, hashMap);
-    } catch (error) {
-      logger.error('uploadImage error:' + JSON.stringify(error));
-      promptAction.showToast({ message: '图片上传失败' });
-      return Promise.reject(error);
-    }
-  }
-
-  /**
-   * 将图片转换为base64字符串
-   * @param imageUri 图片URI
-   * @returns Promise<string> base64字符串
-   */
-  private async imageToBase64(imageUrl: string): Promise<string> {
-    // 1. 验证URI有效性
-    if (!imageUrl || !imageUrl.startsWith('file://')) {
-      throw new Error('无效的图片URI，必须以file://开头');
-    }
-    let imageSource: image.ImageSource | undefined;
-    let pixelMap: image.PixelMap | undefined;
-    let imagePacker: image.ImagePacker | undefined;
-    try {
-      // 2. 创建ImageSource（添加错误处理）
-      imageSource = image.createImageSource(imageUrl);
-      if (!imageSource) {
-        throw new Error('创建ImageSource失败，请检查图片路径');
-      }
-
-      // 3. 获取图片信息（添加详细日志）
-      logger.info('正在获取图片信息...');
-      const imageInfo = await imageSource.getImageInfo();
-      logger.info(`图片尺寸: ${imageInfo.size.width}x${imageInfo.size.height}`);
-
-      // 4. 创建PixelMap
-      pixelMap = await imageSource.createPixelMap({
-        desiredSize: {
-          width: imageInfo.size.width,
-          height: imageInfo.size.height
-        }
-      });
-      if (!pixelMap) {
-        throw new Error('创建PixelMap失败');
-      }
-
-      // 5. 压缩图片
-      imagePacker = image.createImagePacker();
-      const packOpts: image.PackingOption = {
-        format: "image/jpeg",
-        quality: 80  // 适当提高质量保证清晰度
-      };
-
-      logger.info('正在压缩图片...');
-      const arrayBuffer = await imagePacker.packing(pixelMap, packOpts);
-
-      // 6. 转换为base64
-      const unit8Array = new Uint8Array(arrayBuffer);
-      let binary = '';
-      unit8Array.forEach(byte => {
-        binary += String.fromCharCode(byte);
-      });
-
-      const base64String = Base64Util.encodeToStrSync(binary);
-      logger.info(`图片转换成功，大小: ${Math.round(base64String.length / 1024)}KB`);
-      return base64String;
-
-    } catch (error) {
-      logger.error('图片处理失败: ' + JSON.stringify(error));
-      throw new Error(`图片处理失败: ${error.message}`);
-    } finally {
-      // 7. 确保释放资源
-      try {
-        pixelMap?.release();
-        imageSource?.release();
-        imagePacker?.release();
-      } catch (e) {
-        logger.error('资源释放异常: ' + JSON.stringify(e));
-      }
-    }
-  }
 }

 interface UploadImageParams {