feat(useRequest): 请求取消功能，有效避免内存泄漏和不必要的资源消耗，尤其适用于长时间运行的请求或组件卸载场景。

src/http/http.ts

@@ -8,12 +8,12 @@ import { ResultEnum } from './tools/enum'
 
 // 刷新 token 状态管理
 let refreshing = false // 防止重复刷新 token 标识
-let taskQueue: (() => void)[] = [] // 刷新 token 请求队列
+let taskQueue: { resolve: (value: any) => void, reject: (reason?: any) => void, options: CustomRequestOptions }[] = [] as { resolve: (value: any) => void, reject: (reason?: any) => void, options: CustomRequestOptions }[] // 刷新 token 请求队列
 
 export function http<T>(options: CustomRequestOptions) {
-  // 1. 返回 Promise 对象
-  return new Promise<T>((resolve, reject) => {
-    uni.request({
+  let requestTask: UniApp.RequestTask | undefined
+  const promise = new Promise<T>((resolve, reject) => {
+    requestTask = uni.request({
       ...options,
       dataType: 'json',
       // #ifndef MP-WEIXIN
@@ -44,9 +44,7 @@ export function http<T>(options: CustomRequestOptions) {
           const { refreshToken } = tokenStore.tokenInfo as IDoubleTokenRes || {}
           // token 失效的，且有刷新 token 的，才放到请求队列里
           if ((res.statusCode === 401 || resData.code === 401) && refreshToken) {
-            taskQueue.push(() => {
-              resolve(http<T>(options))
-            })
+            taskQueue.push({ resolve, reject, options })
           }
           // 如果有 refreshToken 且未在刷新中，发起刷新 token 请求
           if ((res.statusCode === 401 || resData.code === 401) && refreshToken && !refreshing) {
@@ -65,7 +63,9 @@ export function http<T>(options: CustomRequestOptions) {
                 })
               })
               // 将任务队列的所有任务重新请求
-              taskQueue.forEach(task => task())
+              taskQueue.forEach((task) => {
+                http<T>(task.options).promise.then(task.resolve, task.reject)
+              })
             }
             catch (refreshErr) {
               console.error('刷新 token 失败:', refreshErr)
@@ -112,6 +112,7 @@ export function http<T>(options: CustomRequestOptions) {
       },
     })
   })
+  return { promise, requestTask: requestTask! }
 }
 
 /**

src/http/types.ts

@@ -7,6 +7,11 @@ export type CustomRequestOptions = UniApp.RequestOptions & {
   hideErrorToast?: boolean
 } & IUniUploadFileOptions // 添加uni.uploadFile参数类型
 
+export interface HttpRequestResult<T> {
+  promise: Promise<T>
+  requestTask: UniApp.RequestTask
+}
+
 // 通用响应格式
 export interface IResponse<T = any> {
   code: number | string