fix: useRequest 请求序号防竞态 + ty-crud 搜索/重置去重

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

src/components/ty-crud.vue

@@ -173,13 +173,20 @@ watch([page, pageSize], () => {
 })
 
 function handleSearch(): void {
-  page.value = 1
+  resetAndFetch()
-  fetchList()
 }
 
 function handleReset(): void {
-  page.value = 1
+  resetAndFetch()
+}
+
+/** 重置到第一页并查询：page 已是 1 时 watch 不触发，需手动查询，避免重复请求。 */
+function resetAndFetch(): void {
+  if (page.value === 1) {
     fetchList()
+  } else {
+    page.value = 1
+  }
 }
 
 async function openCreate(): Promise<void> {

src/composables/useRequest.ts

@@ -47,10 +47,12 @@ export function useRequest<TData, TParams extends unknown[]>(
 
   let lastParams: TParams = defaultParams
   let controller: AbortController | null = null
+  let seq = 0
 
   async function run(...args: TParams): Promise<TData | undefined> {
     controller?.abort()
     controller = new AbortController()
+    const mySeq = ++seq
     lastParams = args.length > 0 ? args : lastParams
 
     loading.value = true
@@ -59,16 +61,18 @@ export function useRequest<TData, TParams extends unknown[]>(
 
     try {
       const result = await fetcher(...lastParams, controller.signal)
+      if (mySeq !== seq) return undefined // 已被更新的请求取代
       data.value = result
       options.onSuccess?.(result, lastParams)
       return result
     } catch (e) {
       if (isCanceled(e)) return undefined
+      if (mySeq !== seq) return undefined
       error.value = e
       options.onError?.(e, lastParams)
       return undefined
     } finally {
-      loading.value = false
+      if (mySeq === seq) loading.value = false
       options.onFinally?.(lastParams)
     }
   }