v1.2.1版本，优化调整了很多，整改验收阶段新加字段

main.js

@@ -36,24 +36,36 @@ uni.addInterceptor('chooseImage', {
   }
 });
 
-// 全局拦截文件上传，校验文件后缀是否在后端白名单中，预防非法格式报错
+// 全局拦截文件上传：校验本地文件后缀；七牛直传按 upload 域名放行
+const UPLOAD_ALLOWED_EXTENSIONS = ['bmp', 'gif', 'jpg', 'jpeg', 'png', 'doc', 'docx', 'xls', 'xlsx', 'ppt', 'pptx', 'html', 'htm', 'txt', 'rar', 'zip', 'gz', 'bz2', 'mp4', 'avi', 'rmvb', 'pdf'];
+const QINIU_UPLOAD_HOST_MARKERS = ['qiniup.com', 'qbox.me'];
+
+function validateUploadLocalFileExt(filePath) {
+  if (!filePath) return true;
+  const cleanPath = filePath.split('?')[0];
+  const ext = cleanPath.split('.').pop().toLowerCase();
+  if (!UPLOAD_ALLOWED_EXTENSIONS.includes(ext)) {
+    uni.showToast({
+      title: `不支持 .${ext} 格式，请上传合规的文件或图片`,
+      icon: 'none',
+      duration: 3000
+    });
+    return false;
+  }
+  return true;
+}
+
 uni.addInterceptor('uploadFile', {
   invoke(args) {
-    const filePath = args.filePath;
-    if (filePath) {
-      const cleanPath = filePath.split('?')[0];
-      const ext = cleanPath.split('.').pop().toLowerCase();
-      const allowedExtensions = ['bmp', 'gif', 'jpg', 'jpeg', 'png', 'doc', 'docx', 'xls', 'xlsx', 'ppt', 'pptx', 'html', 'htm', 'txt', 'rar', 'zip', 'gz', 'bz2', 'mp4', 'avi', 'rmvb', 'pdf'];
-      if (!allowedExtensions.includes(ext)) {
-        uni.showToast({
-          title: `不支持 .${ext} 格式，请上传合规的文件或图片`,
-          icon: 'none',
-          duration: 3000
-        });
-        return false; // 拦截请求
-      }
+    const uploadUrl = args.url || '';
+    const isQiniuUpload = QINIU_UPLOAD_HOST_MARKERS.some((m) => uploadUrl.includes(m));
+    if (isQiniuUpload) {
+      return validateUploadLocalFileExt(args.filePath) ? args : false;
     }
-    return args;
+    if (uploadUrl.includes('/frontend/attachment/upload')) {
+      return validateUploadLocalFileExt(args.filePath) ? args : false;
+    }
+    return validateUploadLocalFileExt(args.filePath) ? args : false;
   }
 });