✨ 完善合同附件上传回填、类型匹配与列表附件弹窗

修复上传成功后表格不回显，附件类型可切换，未匹配文件名默认其他文件；列表附件上传支持合同文件/其它附件。

Co-authored-by: Cursor <cursoragent@cursor.com>

src/components/vehicle-attachment-upload/main.vue

@@ -212,7 +212,14 @@ export default {
         .filter(Boolean);
     },
     acceptText() {
-      return this.acceptedList.join(',');
+      return this.acceptedList
+        .map(item => {
+          const value = String(item).trim();
+          if (!value || value.includes('/') || value.startsWith('.')) return value;
+          return `.${value}`;
+        })
+        .filter(Boolean)
+        .join(',');
     },
     tipText() {
       return this.tip || `${UNIFIED_ATTACHMENT_TIP_PREFIX}${this.maxSize}M`;
@@ -304,12 +311,22 @@ export default {
       });
     },
     handleSuccess(response, file, files) {
-      if (!response || response.success === false || (response.code && response.code !== 200)) {
+      const code = response?.code;
+      const codeInvalid = code !== undefined && code !== null && code !== '' && Number(code) !== 200;
+      if (!response || response.success === false || codeInvalid) {
         this.$message.error((response && response.msg) || '上传失败');
         return;
       }
-      this.emitUploadFiles(this.multiple ? files : [file]);
-      this.$emit('success', this.normalizeUploadFile(file));
+      if (file && !file.response) {
+        file.response = response;
+      }
+      const normalized = this.normalizeUploadFile(file, response);
+      if (!normalized.url) {
+        this.$message.error('上传成功但未返回文件地址');
+        return;
+      }
+      this.$emit('success', normalized);
+      this.emitUploadFiles(this.multiple ? files : [file], normalized);
       this.$message.success('上传成功');
     },
     handleChange(file, files) {
@@ -323,35 +340,89 @@ export default {
       this.emitUploadFiles(files);
       return true;
     },
-    emitUploadFiles(files) {
-      const list = files
-        .filter(file => file.status === 'success' || this.getFileUrl(file))
-        .map(this.normalizeUploadFile)
+    emitUploadFiles(files, preferredFile) {
+      const list = (files || [])
+        .filter(file => {
+          if (file?.status === 'fail') return false;
+          return (
+            file?.status === 'success' ||
+            this.getFileUrl(file) ||
+            file?.response?.data ||
+            file?.response?.link ||
+            file?.response
+          );
+        })
+        .map(file => this.normalizeUploadFile(file))
         .filter(item => item.url);
-      this.$emit('update:modelValue', list);
-      this.$emit('change', list);
+
+      if (preferredFile?.url) {
+        const exists = list.some(
+          item =>
+            (preferredFile.uid && item.uid && String(item.uid) === String(preferredFile.uid)) ||
+            item.url === preferredFile.url
+        );
+        if (!exists) list.push(preferredFile);
+      }
+
+      const current = this.parseValue(this.modelValue).map(item => ({
+        ...item,
+        url: this.getFileUrl(item),
+      }));
+      const merged = [...current];
+      list.forEach(file => {
+        const index = merged.findIndex(
+          item =>
+            (file.uid && item.uid && String(item.uid) === String(file.uid)) ||
+            (file.url && this.getFileUrl(item) === file.url)
+        );
+        if (index >= 0) merged.splice(index, 1, { ...merged[index], ...file });
+        else merged.push(file);
+      });
+
+      const result = merged.filter(item => this.getFileUrl(item));
+      this.$emit('update:modelValue', result);
+      this.$emit('change', result);
     },
-    normalizeUploadFile(file) {
-      const data = (file.response && file.response.data) || file.data || file;
-      const url = data.link || data.url || data.domain || file.url || '';
+    normalizeUploadFile(file, responseOverride) {
+      const response = responseOverride || file?.response;
+      let data = {};
+      if (response && typeof response === 'object') {
+        if (response.data && typeof response.data === 'object') {
+          data = response.data;
+        } else if (response.link || response.url || response.domain) {
+          data = response;
+        }
+      }
+      if (!data.link && !data.url && !data.domain) {
+        data = file?.data && typeof file.data === 'object' ? file.data : file || {};
+      }
+      const url =
+        data.link ||
+        data.url ||
+        data.domain ||
+        data.fileLink ||
+        data.fileUrl ||
+        file?.url ||
+        file?.link ||
+        '';
       const originalName =
         data.originalName ||
-        file.originalName ||
-        file.name ||
+        file?.originalName ||
+        file?.name ||
         data.name ||
         this.getFileName(url) ||
         '附件';
       const extension = this.getExtension({ name: originalName, url });
       return {
         ...data,
-        uid: file.uid || data.uid,
+        uid: file?.uid || data.uid,
         originalName,
         name: originalName,
         url,
         link: data.link || url,
-        size: data.size || data.attachSize || file.size || '',
+        size: data.size || data.attachSize || file?.size || '',
         extension,
-        mimeType: data.mimeType || data.contentType || file.raw?.type || MIME_MAP[extension] || '',
+        mimeType: data.mimeType || data.contentType || file?.raw?.type || MIME_MAP[extension] || '',
       };
     },
     handlePreview(file) {