更新附件追加功能，优化文件选择和验证逻辑，支持多种文件格式，调整用户界面以提升操作体验。

app/routes/documents._index.tsx

@@ -1064,11 +1064,11 @@ export default function DocumentsIndex() {
             <i className="ri-download-line"></i>
             下载
           </button>
-          {record.type === 1 && record.fileStatus === 'Processed' && (
+          {record.type === '1' && record.fileStatus === 'Processed' && (
             <>
               <button 
                 type="button"
-                className="text-xs px-2 py-1 h-7 mr-1 bg-primary text-white hover:bg-primary-dark rounded"
+                className="text-xs px-2 py-1 h-7 mr-1 hover:underline hover:text-primary"
                 onClick={() => {
                   setSelectedDocumentId(record.id);
                   setShowAttachmentUpload(true);
@@ -1079,7 +1079,7 @@ export default function DocumentsIndex() {
               </button>
               <button 
                 type="button"
-                className="text-xs px-2 py-1 h-7 mr-1 bg-gray-100 text-gray-700 hover:bg-gray-200 rounded"
+                className="text-xs px-2 py-1 h-7 mr-1 text-gray-500 hover:underline hover:text-gray-700"
                 onClick={() => {
                   setSelectedDocumentId(record.id);
                   setShowTemplateUpload(true);

app/routes/rules-files.tsx

@@ -21,6 +21,8 @@ import { getDocumentTypes } from "~/api/document-types/document-types";
 import { toastService } from "~/components/ui/Toast";
 // 导入axios下载文件方法
 import { downloadFile } from "~/api/axios-client";
+import { appendContractAttachments } from "~/api/files/files-upload";
+import { messageService } from "~/components/ui/MessageModal";
 
 export const links = () => [
   { rel: "stylesheet", href: rulesFilesStyles },
@@ -60,7 +62,7 @@ export const REVIEW_STATUS_LABELS: Record<string, string> = {
 export async function loader({ request }: LoaderFunctionArgs) {
   // 获取用户会话信息
   const { getUserSession } = await import("~/api/login/auth.server");
-  const { userInfo } = await getUserSession(request);
+  const { userInfo, frontendJWT } = await getUserSession(request);
   
   // 获取分页参数
   const url = new URL(request.url);
@@ -80,6 +82,7 @@ export async function loader({ request }: LoaderFunctionArgs) {
       currentPage,
       pageSize,
       userInfo, // 传递用户信息到客户端
+      frontendJWT,
       initialLoad: true
     });
   } catch (error) {
@@ -90,7 +93,7 @@ export async function loader({ request }: LoaderFunctionArgs) {
 
 export default function RulesFiles() {
   const navigate = useNavigate();
-  const { files: initialFiles, documentTypes: allDocumentTypes, totalCount: initialTotal, currentPage, pageSize, userInfo, result, message } = useLoaderData<typeof loader>();
+  const { files: initialFiles, documentTypes: allDocumentTypes, totalCount: initialTotal, currentPage, pageSize, userInfo, frontendJWT, result, message } = useLoaderData<typeof loader>();
   const [searchParams, setSearchParams] = useSearchParams();
   const dateFrom = searchParams.get('dateFrom') || '';
   const dateTo = searchParams.get('dateTo') || '';
@@ -102,6 +105,14 @@ export default function RulesFiles() {
   const [isLoading, setIsLoading] = useState(true);
   const [reviewType, setReviewType] = useState<string | null>(null);
 
+  // 附件追加相关状态
+  const [showAttachmentUpload, setShowAttachmentUpload] = useState<boolean>(false);
+  const [selectedDocumentId, setSelectedDocumentId] = useState<string | null>(null);
+  const [attachmentFiles, setAttachmentFiles] = useState<File[]>([]);
+  const [attachmentMergeMode, setAttachmentMergeMode] = useState<'overwrite' | 'new'>('overwrite');
+  const [attachmentRemark, setAttachmentRemark] = useState<string>("");
+  const [attachmentUploading, setAttachmentUploading] = useState<boolean>(false);
+
   // 保存/恢复 查询参数 的 sessionStorage key
   const SEARCH_PARAMS_STORAGE_KEY = 'rulesFiles.searchParams';
 
@@ -446,6 +457,87 @@ export default function RulesFiles() {
     }
     setSearchParams(newParams);
   };
+
+  // 辅助：格式化文件大小
+  const formatFileSize = (bytes: number) => {
+    if (bytes === 0) return "0 Bytes";
+    const k = 1024;
+    const sizes = ["Bytes", "KB", "MB", "GB", "TB"];
+    const i = Math.floor(Math.log(bytes) / Math.log(k));
+    return parseFloat((bytes / Math.pow(k, i)).toFixed(2)) + " " + sizes[i];
+  };
+
+  // 选择附件文件
+  const handleAttachmentFilesSelected = (files: FileList) => {
+    try {
+      if (files.length > 0) {
+        const validFiles: File[] = [];
+        let hasInvalidFiles = false;
+        Array.from(files).forEach(file => {
+          const fileName = file.name.toLowerCase();
+          const isValidType =
+            file.type === 'application/pdf' || fileName.endsWith('.pdf') ||
+            file.type === 'application/msword' || fileName.endsWith('.doc') ||
+            file.type === 'application/vnd.openxmlformats-officedocument.wordprocessingml.document' || fileName.endsWith('.docx') ||
+            file.type === 'application/zip' || fileName.endsWith('.zip') ||
+            file.type === 'application/x-rar-compressed' || fileName.endsWith('.rar');
+          if (isValidType) {
+            validFiles.push(file);
+          } else {
+            hasInvalidFiles = true;
+          }
+        });
+        if (hasInvalidFiles) {
+          messageService.error('只支持PDF、Word、ZIP、RAR格式的文件', {
+            title: '文件类型错误',
+            confirmText: '确定',
+            cancelText: '',
+          });
+        }
+        if (validFiles.length > 0) {
+          setAttachmentFiles(validFiles);
+        }
+      }
+    } catch (error) {
+      console.error('【附件追加】处理文件选择时发生错误:', error);
+    }
+  };
+
+  // 执行附件追加
+  const handleAttachmentUpload = async () => {
+    if (!selectedDocumentId || attachmentFiles.length === 0) {
+      toastService.error('请选择文档和附件文件');
+      return;
+    }
+    try {
+      setAttachmentUploading(true);
+      const docId = parseInt(selectedDocumentId, 10);
+      const result = await appendContractAttachments(
+        docId,
+        attachmentFiles,
+        attachmentMergeMode,
+        true,
+        attachmentRemark || undefined,
+        frontendJWT as string | undefined
+      );
+      if (result.error) {
+        throw new Error(result.error);
+      }
+      toastService.success('附件追加成功！');
+      // 重置并关闭
+      setAttachmentFiles([]);
+      setAttachmentRemark("");
+      setShowAttachmentUpload(false);
+      setSelectedDocumentId(null);
+      // 刷新列表
+      fetchData(Object.fromEntries(searchParams.entries()));
+    } catch (error) {
+      console.error('【附件追加】上传失败:', error);
+      toastService.error(error instanceof Error ? error.message : '附件追加失败');
+    } finally {
+      setAttachmentUploading(false);
+    }
+  };
   
   // 文件类型选项
   const fileTypeOptions = documentTypes.map((type: {id: number, name: string}) => ({
@@ -560,25 +652,42 @@ export default function RulesFiles() {
     {
       title: "操作",
       key: "operation",
-      width: "14%",
+      width: "20%",
       render: (_: unknown, file: ReviewFileUI) => (
-        <>
+        <div className="flex flex-wrap gap-1">
           <Button 
             type="default" 
             size="small" 
             icon="ri-eye-line" 
-            // to={`/reviews?id=${file.id}`}
             onClick={() => handleReviewFileClick(file.id, file.auditStatus)}
             disabled={file.status !== 'Processed'}
-            className="mr-2"
+            className="mr-1"
           >
             查看
           </Button>
-          
+          {reviewType === 'contract' && file.status === 'Processed' && (
-          <Button type="default" size="small" icon="ri-download-2-line" className="mt-1" onClick={() => handleDownload(file.path)}>
+            <button
+              type="button"
+              className="text-xs px-2 py-1 h-7 mr-1 bg-primary text-white hover:bg-primary-dark rounded"
+              onClick={() => {
+                setSelectedDocumentId(file.id);
+                setShowAttachmentUpload(true);
+              }}
+            >
+              <i className="ri-attachment-line"></i>
+              追加附件
+            </button>
+          )}
+          <Button 
+            type="default" 
+            size="small" 
+            icon="ri-download-2-line" 
+            className="mt-1"
+            onClick={() => handleDownload(file.path)}
+          >
             下载
           </Button>
-        </>
+        </div>
       )
     }
   ];
@@ -705,6 +814,139 @@ export default function RulesFiles() {
             />
           )}
         </div>
+        {/* 附件追加模态框 */}
+        {showAttachmentUpload && (
+          <div className="fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50">
+            <div className="bg-white rounded-lg p-6 w-full max-w-2xl mx-4 max-h-[90vh] overflow-y-auto">
+              <div className="flex justify-between items-center mb-4">
+                <h3 className="text-lg font-semibold">追加合同附件</h3>
+                <button
+                  onClick={() => {
+                    setShowAttachmentUpload(false);
+                    setSelectedDocumentId(null);
+                    setAttachmentFiles([]);
+                    setAttachmentRemark("");
+                  }}
+                  className="text-gray-400 hover:text-gray-600"
+                >
+                  <i className="ri-close-line text-xl"></i>
+                </button>
+              </div>
+              
+              <div className="space-y-4">
+                <div className="bg-gray-50 p-3 rounded">
+                  <p className="text-sm text-gray-600">
+                    目标文档ID: <span className="font-medium">{selectedDocumentId}</span>
+                  </p>
+                  <p className="text-xs text-gray-500 mt-1">
+                    支持PDF、Word、ZIP、RAR格式，ZIP/RAR内仅合并其中的PDF文件
+                  </p>
+                </div>
+
+                <div>
+                  <label className="block text-sm font-medium text-gray-700 mb-2">
+                    选择附件文件 <span className="text-red-500">*</span>
+                  </label>
+                  <div className="border-2 border-dashed border-gray-300 rounded-lg p-6 text-center hover:border-gray-400 transition-colors">
+                    <input
+                      type="file"
+                      multiple
+                      accept=".pdf,.doc,.docx,.zip,.rar"
+                      onChange={(e) => e.target.files && handleAttachmentFilesSelected(e.target.files)}
+                      className="hidden"
+                      id="attachment-file-input"
+                    />
+                    <label htmlFor="attachment-file-input" className="cursor-pointer">
+                      <i className="ri-attachment-line text-3xl text-gray-400 mb-2 block"></i>
+                      <p className="text-sm text-gray-600">点击选择文件或拖拽文件到此处</p>
+                      <p className="text-xs text-gray-500 mt-1">支持PDF、Word、ZIP、RAR格式，可多选</p>
+                    </label>
+                  </div>
+                  {attachmentFiles.length > 0 && (
+                    <div className="mt-2">
+                      <p className="text-sm text-green-600 mb-2">
+                        <i className="ri-checkbox-circle-line"></i> 已选择 {attachmentFiles.length} 个文件
+                      </p>
+                      <div className="space-y-1 max-h-32 overflow-y-auto">
+                        {attachmentFiles.map((file, index) => (
+                          <div key={index} className="text-xs text-gray-600 bg-gray-50 p-2 rounded">
+                            <i className="ri-file-line mr-1"></i>
+                            {file.name} ({formatFileSize(file.size)})
+                          </div>
+                        ))}
+                      </div>
+                    </div>
+                  )}
+                </div>
+
+                <div>
+                  <label className="block text-sm font-medium text-gray-700 mb-2">
+                    合并模式
+                  </label>
+                  <div className="space-y-2">
+                    <label className="flex items-center">
+                      <input
+                        type="radio"
+                        name="mergeMode"
+                        value="overwrite"
+                        checked={attachmentMergeMode === 'overwrite'}
+                        onChange={(e) => setAttachmentMergeMode(e.target.value as 'overwrite' | 'new')}
+                        className="mr-2"
+                      />
+                      <span className="text-sm">覆盖原文档（推荐）</span>
+                    </label>
+                    <label className="flex items-center">
+                      <input
+                        type="radio"
+                        name="mergeMode"
+                        value="new"
+                        checked={attachmentMergeMode === 'new'}
+                        onChange={(e) => setAttachmentMergeMode(e.target.value as 'overwrite' | 'new')}
+                        className="mr-2"
+                      />
+                      <span className="text-sm">新建文档记录</span>
+                    </label>
+                  </div>
+                </div>
+
+                <div>
+                  <label className="block text-sm font-medium text-gray-700 mb-2">
+                    备注（可选）
+                  </label>
+                  <textarea
+                    value={attachmentRemark}
+                    onChange={(e) => setAttachmentRemark(e.target.value)}
+                    className="w-full p-2 border border-gray-300 rounded-md text-sm"
+                    rows={3}
+                    placeholder="请输入备注信息..."
+                  />
+                </div>
+
+                <div className="flex justify-end gap-3 pt-4 border-t">
+                  <button
+                    className="px-4 py-2 text-sm border border-gray-300 rounded-md hover:bg-gray-50"
+                    onClick={() => {
+                      setShowAttachmentUpload(false);
+                      setSelectedDocumentId(null);
+                      setAttachmentFiles([]);
+                      setAttachmentRemark("");
+                    }}
+                    disabled={attachmentUploading}
+                  >
+                    取消
+                  </button>
+                  <button
+                    className="px-4 py-2 text-sm bg-primary text-white rounded-md hover:bg-primary-dark disabled:opacity-50"
+                    onClick={handleAttachmentUpload}
+                    disabled={attachmentFiles.length === 0 || attachmentUploading}
+                  >
+                    {attachmentUploading ? '上传中...' : '开始追加'}
+                  </button>
+                </div>
+              </div>
+            </div>
+          </div>
+        )}
       </Card>
     </div>
   );