fix: 优化工作人员重复信息提示

frontend/platform_admin/src/views/resource/avatar-upload-cache.ts

@@ -0,0 +1,35 @@
+/**
+ * 功能：缓存一次资源保存流程中已经完成的头像上传结果。
+ * 版本：v1.0.0
+ */
+
+export type AvatarUpload = (file: File) => Promise<{ uri: string }>;
+
+/** 创建头像上传缓存；选择新文件或清除头像时由调用方主动重置。 */
+export function createAvatarUploadCache(upload: AvatarUpload) {
+  let cachedFile: File | undefined;
+  let cachedURI: Promise<string> | undefined;
+
+  /** 返回当前文件的受控资源地址；同一文件重试时复用首次成功结果。 */
+  async function resolve(file: File) {
+    if (cachedFile !== file || !cachedURI) {
+      cachedFile = file;
+      cachedURI = upload(file)
+        .then((result) => result.uri)
+        .catch((error) => {
+          // 上传本身失败时清空缓存，允许用户直接重试。
+          if (cachedFile === file) cachedURI = undefined;
+          throw error;
+        });
+    }
+    return cachedURI;
+  }
+
+  /** 清空已上传地址，确保新选择的文件不会错误复用旧头像。 */
+  function reset() {
+    cachedFile = undefined;
+    cachedURI = undefined;
+  }
+
+  return { resolve, reset };
+}

frontend/platform_admin/src/views/resource/use-resource-avatar.ts

@@ -6,12 +6,14 @@ import { Message } from '@arco-design/web-vue';
 import { onBeforeUnmount, ref } from 'vue';
 import { avatarApi } from '@/api/avatar';
 import { DEFAULT_USER_AVATAR } from '@/constants/avatar';
+import { createAvatarUploadCache } from './avatar-upload-cache';
 
 export function useResourceAvatar() {
   const url = ref(DEFAULT_USER_AVATAR);
   const file = ref<File>();
   const cleared = ref(false);
   const canClear = ref(false);
+  const uploadCache = createAvatarUploadCache(avatarApi.upload);
   let objectURL = '';
 
   function revoke() {
@@ -22,6 +24,7 @@ export function useResourceAvatar() {
   /** 加载现有受保护头像，记录没有头像时继续使用默认图。 */
   async function load(resource: string, identity: string) {
     revoke();
+    uploadCache.reset();
     url.value = DEFAULT_USER_AVATAR;
     canClear.value = false;
     file.value = undefined;
@@ -45,6 +48,7 @@ export function useResourceAvatar() {
       return;
     }
     revoke();
+    uploadCache.reset();
     objectURL = URL.createObjectURL(next);
     url.value = objectURL;
     file.value = next;
@@ -55,6 +59,7 @@ export function useResourceAvatar() {
   /** 标记清除头像，真正写入空值发生在保存资料时。 */
   function clear() {
     revoke();
+    uploadCache.reset();
     url.value = DEFAULT_USER_AVATAR;
     file.value = undefined;
     cleared.value = true;
@@ -63,7 +68,7 @@ export function useResourceAvatar() {
 
   /** 将头像变化写入资源更新载荷。 */
   async function applyToPayload(payload: Record<string, unknown>) {
-    if (file.value) payload.avatar = (await avatarApi.upload(file.value)).uri;
+    if (file.value) payload.avatar = await uploadCache.resolve(file.value);
     else if (cleared.value) payload.avatar = '';
   }