rollback request.js

src/utils/request.js

@@ -1,157 +1,105 @@
 import axios from 'axios'
-import { Loading, Message, MessageBox, Notification } from 'element-ui'
+import { Notification, MessageBox, Message, Loading } from 'element-ui'
 import store from '@/store'
 import { getToken } from '@/utils/auth'
 import errorCode from '@/utils/errorCode'
-import { blobValidate, tansParams } from '@/utils/bonus'
+import { tansParams, blobValidate } from "@/utils/bonus";
 import cache from '@/plugins/cache'
 import { saveAs } from 'file-saver'
-import { decryptCBC, encryptCBC } from '@/utils/aescbc'
-import { hashWithSM3AndSalt } from '@/utils/sm'
-import data from '@/views/system/dict/data.vue' // 导入SM3哈希函数
 
-let downloadLoadingInstance
+//let token = localStorage.getItem("tokens");
-export let isRelogin = { show: false }
+
+let downloadLoadingInstance;
+// 是否显示重新登录
+export let isRelogin = { show: false };
 
 axios.defaults.headers['Content-Type'] = 'application/json;charset=utf-8'
-
 // 创建axios实例
 const service = axios.create({
+  // axios中请求配置有baseURL选项，表示请求URL公共部分
   baseURL: process.env.VUE_APP_BASE_API,
+  // 超时
   timeout: 10000
 })
 
-// 请求拦截器
+
-service.interceptors.request.use(
+
-  (config) => {
+// request拦截器
+service.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
-
-    // 如果需要token且存在token，则设置Authorization头
   if (getToken() && !isToken) {
-      config.headers['Authorization'] = 'Bearer ' + getToken()
+    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
-    // 处理GET请求参数并加密
+  if (config.method === 'get' && config.params) {
-    if (config.params) {
+    let url = config.url + '?' + tansParams(config.params);
-      let param = tansParams(config.params)
+    url = url.slice(0, -1);
-      if (param) {
+    config.params = {};
-        param = param.slice(0, -1)
+    config.url = url;
-        param = encryptCBC(param)
-        /*  config.headers['Params-Hash'] = hashWithSM3AndSalt(param) */
   }
-      config.url = `${config.url}?${param}`
-      config.params = {}
-    }
-
-    // 防止重复提交
   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
+    const requestSize = Object.keys(JSON.stringify(requestObj)).length; // 请求数据大小
-      const limitSize = 5 * 1024 * 1024 // 限制请求数据大小为5M
+    const limitSize = 1000 * 1024 * 1024; // 限制存放数据5M
-
     if (requestSize >= limitSize) {
-        console.warn(`[${config.url}]: 请求数据大小超出允许的5M限制，无法进行防重复提交验证。`)
+      console.warn(`[${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
+      return config;
     }
-
     const sessionObj = cache.session.getJSON('sessionObj')
-      if (!sessionObj) {
+    if (sessionObj === undefined || sessionObj === null || sessionObj === '') {
       cache.session.setJSON('sessionObj', requestObj)
     } else {
-        const { url, data, time } = sessionObj
+      const s_url = sessionObj.url;                  // 请求地址
-        const interval = 1000 // 间隔时间(ms)，小于此时间视为重复提交
+      const s_data = sessionObj.data;                // 请求数据
-
+      const s_time = sessionObj.time;                // 请求时间
-        if (data === requestObj.data && requestObj.time - time < interval && url === requestObj.url) {
+      const interval = 0;                         // 间隔时间(ms)，小于此时间视为重复提交
-          const message = '数据正在处理，请勿重复提交'
+      if (s_data === requestObj.data && requestObj.time - s_time < interval && s_url === requestObj.url) {
-          console.warn(`[${url}]: ${message}`)
+        const message = '数据正在处理，请勿重复提交';
+        console.warn(`[${s_url}]: ` + message)
         return Promise.reject(new Error(message))
       } else {
         cache.session.setJSON('sessionObj', requestObj)
       }
     }
   }
-
-    // 如果Content-Type为application/json且数据为对象，则加密数据
-    if (config.headers['Content-Type'] === 'application/json;charset=utf-8' && typeof config.data === 'object') {
-      config.data = encryptCBC(JSON.stringify(config.data))
-      config.headers['Content-Type'] = 'application/json'
-      console.log(config.data)
-      /* config.headers['Params-Hash'] = hashWithSM3AndSalt(config.data) */ // 添加数据哈希到请求头
-    }
-
-    // 对下载请求进行数据参数拦截加密
-    if (config.headers['Content-Type'] === 'application/x-www-form-urlencoded') {
-      if (typeof config.data === 'object') {
-        let formData = tansParams(config.data)
-        if (formData) {
-          formData = formData.slice(0, -1)
-          config.data = encryptCBC(formData)
-          console.log(config.data)
-          /*  config.headers['Params-Hash'] = hashWithSM3AndSalt(config.data) */ // 添加参数哈希到请求头
-        }
-      } else {
-        config.data = encryptCBC('formData=' + JSON.stringify(config.data))
-        /*  config.headers['Params-Hash'] = hashWithSM3AndSalt(config.data) */ // 添加参数哈希到请求头
-      }
-    }
-
-    // 如果Content-Type为空，则设置为application/json
-    if (!config.headers['Content-Type']) {
-      config.headers['Content-Type'] = 'application/json'
-      console.warn('请求类型为空')
-    }
-
   return config
-  },
+}, error => {
-  (error) => {
     console.log(error)
-    return Promise.reject(error)
+    Promise.reject(error)
-  }
+})
-)
+
 
 // 响应拦截器
-service.interceptors.response.use(
+service.interceptors.response.use(res => {
-  (res) => {
+    // 未设置状态码则默认成功状态
-    // 自动解密响应数据
+    const code = res.data.code || 200;
-    /* if (res.data.decrypt) {
+    // 获取错误信息
-      res.data = JSON.parse(decryptCBC(res.data.data))
-    } else if (typeof res.data.code === 'undefined') {
-      res.data = res.data.data
-    } */
-    console.log(res.data.code)
-    // 获取状态码
-    const code = res.data.code || 200
     const msg = errorCode[code] || res.data.msg || errorCode['default']
-
+    // 二进制数据则直接返回
-    // 处理二进制数据直接返回
     if (res.request.responseType ===  'blob' || res.request.responseType ===  'arraybuffer') {
       return res.data
     }
-
     if (code === 401) {
       if (!isRelogin.show) {
-        isRelogin.show = true
+        isRelogin.show = true;
-        MessageBox.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', {
+        MessageBox.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(() => {
-          confirmButtonText: '重新登录',
+          isRelogin.show = false;
-          cancelButtonText: '取消',
-          type: 'warning'
-        }).then(() => {
-          isRelogin.show = false
           store.dispatch('LogOut').then(() => {
-            location.href = '/index'
+            location.href = '/index';
           })
       }).catch(() => {
-          isRelogin.show = false
+        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) {
-      console.log(data)
       Message({ message: msg, type: 'error' })
       return Promise.reject(new Error(msg))
     } else if (code === 601) {
@@ -164,55 +112,45 @@ service.interceptors.response.use(
       return res.data
     }
   },
-  (error) => {
+  error => {
     console.log('err' + error)
-    let { message } = error
+    let { message } = error;
-
+    if (message == "Network Error") {
-    if (message === 'Network Error') {
+      message = "后端接口连接异常";
-      message = '后端接口连接异常'
+    } else if (message.includes("timeout")) {
-    } else if (message.includes('timeout')) {
+      message = "系统接口请求超时";
-      message = '系统接口请求超时'
+    } else if (message.includes("Request failed with status code")) {
-    } else if (message.includes('Request failed with status code')) {
+      message = "系统接口" + message.substr(message.length - 3) + "异常";
-      message = `系统接口${message.substr(message.length - 3)}异常`
     }
-
+    Message({ message: message, type: 'error', duration: 5 * 1000 })
-    Message({ message, type: 'error', duration: 5 * 1000 })
     return Promise.reject(error)
   }
 )
 
 // 通用下载方法
 export function download(url, params, filename, config) {
-  downloadLoadingInstance = Loading.service({
+  downloadLoadingInstance = Loading.service({ text: "正在下载数据，请稍候", spinner: "el-icon-loading", background: "rgba(0, 0, 0, 0.7)", })
-    text: '正在下载数据，请稍候',
-    spinner: 'el-icon-loading',
-    background: 'rgba(0, 0, 0, 0.7)'
-  })
-  console.log(params)
   return service.post(url, params, {
-    transformRequest: [(params) => params],
+    transformRequest: [(params) => { return tansParams(params) }],
-    headers: {
+    headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
-      'Content-Type': 'application/x-www-form-urlencoded'
-      /*  'Params-Hash': hashWithSM3AndSalt(params) */
-    },
     responseType: 'blob',
     ...config
   }).then(async (data) => {
-    const isBlob = blobValidate(data)
+    const isBlob = blobValidate(data);
     if (isBlob) {
       const blob = new Blob([data])
       saveAs(blob, filename)
     } else {
-      const resText = await data.text()
+      const resText = await data.text();
-      const rspObj = JSON.parse(resText)
+      const rspObj = JSON.parse(resText);
       const errMsg = errorCode[rspObj.code] || rspObj.msg || errorCode['default']
-      Message.error(errMsg)
+      Message.error(errMsg);
     }
-    downloadLoadingInstance.close()
+    downloadLoadingInstance.close();
   }).catch((r) => {
     console.error(r)
     Message.error('下载文件出现错误，请联系管理员！')
-    downloadLoadingInstance.close()
+    downloadLoadingInstance.close();
   })
 }