修复文件上传bug

vue-fastapi-frontend/src/utils/request.js

@@ -19,7 +19,111 @@ const service = axios.create({
   // 超时
   timeout: 100000
 })
+const rawAxios = axios.create({
+ baseURL: "/default-api",
+  timeout: 100000
 
+});
+rawAxios.interceptors.request.use(config => {
+  // 是否需要设置 token
+  const isToken = (config.headers || {}).isToken === false
+  // 是否需要防止数据重复提交
+  const isRepeatSubmit = (config.headers || {}).repeatSubmit === false
+  if (getToken() && !isToken) {
+    config.headers['Authorization'] = 'Bearer ' + getToken() // 让每个请求携带自定义token 请根据实际情况自行修改
+  }
+  // get请求映射params参数
+  if (config.method === 'get' && config.params) {
+    let url = config.url + '?' + tansParams(config.params);
+    url = url.slice(0, -1);
+    config.params = {};
+    config.url = url;
+  }
+  if (!isRepeatSubmit && (config.method === 'post' || config.method === 'put')) {
+    const requestObj = {
+      url: config.url,
+      data: typeof config.data === 'object' ? JSON.stringify(config.data) : config.data,
+      time: new Date().getTime()
+    }
+    const requestSize = Object.keys(JSON.stringify(requestObj)).length; // 请求数据大小
+    const limitSize = 5 * 1024 * 1024; // 限制存放数据5M
+    if (requestSize >= limitSize) {
+      console.warn(`[${config.url}]: ` + '请求数据大小超出允许的5M限制，无法进行防重复提交验证。')
+      return config;
+    }
+    const sessionObj = cache.session.getJSON('sessionObj')
+    if (sessionObj === undefined || sessionObj === null || sessionObj === '') {
+      cache.session.setJSON('sessionObj', requestObj)
+    } else {
+      const s_url = sessionObj.url;                // 请求地址
+      const s_data = sessionObj.data;              // 请求数据
+      const s_time = sessionObj.time;              // 请求时间
+      const interval = 1000;                       // 间隔时间(ms)，小于此时间视为重复提交
+      if (s_data === requestObj.data && requestObj.time - s_time < interval && s_url === requestObj.url) {
+        const message = '数据正在处理，请勿重复提交';
+        console.warn(`[${s_url}]: ` + message)
+        return Promise.reject(new Error(message))
+      } else {
+        cache.session.setJSON('sessionObj', requestObj)
+      }
+    }
+  }
+  return config
+}, error => {
+    console.log(error)
+    Promise.reject(error)
+})
+
+// 响应拦截器
+rawAxios.interceptors.response.use(res => {
+    // 未设置状态码则默认成功状态
+    const code = res.data.code || 200;
+    // 获取错误信息
+    const msg = errorCode[code] || res.data.msg || errorCode['default']
+    // 二进制数据则直接返回
+    if (res.request.responseType ===  'blob' || res.request.responseType ===  'arraybuffer') {
+      return res.data
+    }
+    if (code === 401) {
+      if (!isRelogin.show) {
+        isRelogin.show = true;
+        ElMessageBox.confirm('登录状态已过期，您可以继续留在该页面，或者重新登录', '系统提示', { confirmButtonText: '重新登录', cancelButtonText: '取消', type: 'warning' }).then(() => {
+          isRelogin.show = false;
+          useUserStore().logOut().then(() => {
+            location.href = '/index';
+          })
+      }).catch(() => {
+        isRelogin.show = false;
+      });
+    }
+      return Promise.reject('无效的会话，或者会话已过期，请重新登录。')
+    } else if (code === 500) {
+      ElMessage({ message: msg, type: 'error' })
+      return Promise.reject(new Error(msg))
+    } else if (code === 601) {
+      ElMessage({ message: msg, type: 'warning' })
+      return Promise.reject(new Error(msg))
+    } else if (code !== 200) {
+      ElNotification.error({ title: msg })
+      return Promise.reject('error')
+    } else {
+      return  Promise.resolve(res.data)
+    }
+  },
+  error => {
+    console.log('err' + error)
+    let { message } = error;
+    if (message == "Network Error") {
+      message = "后端接口连接异常";
+    } else if (message.includes("timeout")) {
+      message = "系统接口请求超时";
+    } else if (message.includes("Request failed with status code")) {
+      message = "系统接口" + message.substr(message.length - 3) + "异常";
+    }
+    ElMessage({ message: message, type: 'error', duration: 5 * 1000 })
+    return Promise.reject(error)
+  }
+)
 // request拦截器
 service.interceptors.request.use(config => {
   // 是否需要设置 token
@@ -124,14 +228,17 @@ service.interceptors.response.use(res => {
 
 // 通用下载方法
 export function download(url, params, filename, config) {
+  console.log(url,"anshiurl")
   downloadLoadingInstance = ElLoading.service({ text: "正在下载数据，请稍候", background: "rgba(0, 0, 0, 0.7)", })
-  return service.post(url, params, {
+  return rawAxios.post(url, params, {
+
     transformRequest: [(params) => { return tansParams(params) }],
     headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
     responseType: 'blob',
     ...config
   }).then(async (data) => {
     const isBlob = blobValidate(data);
+
     if (isBlob) {
       const blob = new Blob([data])
       saveAs(blob, filename)
@@ -144,6 +251,8 @@ export function download(url, params, filename, config) {
     downloadLoadingInstance.close();
   }).catch((r) => {
     console.error(r)
+    console.log(url,"anshiurl2")
+
     ElMessage.error('下载文件出现错误，请联系管理员！')
     downloadLoadingInstance.close();
   })