请求

src/utils/request.js

@@ -0,0 +1,76 @@
+import axios from 'axios'
+import { MessageBox, Message } from 'element-ui'
+import store from '@/store'
+import { getToken } from '@/utils/auth'
+
+// create an axios instance
+const service = axios.create({
+  baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
+  // withCredentials: true, // send cookies when cross-domain requests
+  timeout: 5000 // request timeout
+})
+
+// request interceptor
+service.interceptors.request.use(
+  config => {
+    // do something before request is sent
+
+    if (store.getters.token) {
+      // let each request carry token
+      // ['X-Token'] is a custom headers key
+      // please modify it according to the actual situation
+      config.headers['X-Token'] = getToken()
+    }
+    return config
+  },
+  error => {
+    // do something with request error
+    console.log(error) // for debug
+    return Promise.reject(error)
+  }
+)
+
+// response interceptor
+service.interceptors.response.use(
+
+  response => {
+    const res = response.data
+
+    // if the custom code is not 20000, it is judged as an error.
+    if (res.code !== 20000) {
+      Message({
+        message: res.message || 'Error',
+        type: 'error',
+        duration: 5 * 1000
+      })
+
+      // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
+      if (res.code === 50008 || res.code === 50012 || res.code === 50014) {
+        // to re-login
+        MessageBox.confirm('You have been logged out, you can cancel to stay on this page, or log in again', 'Confirm logout', {
+          confirmButtonText: 'Re-Login',
+          cancelButtonText: 'Cancel',
+          type: 'warning'
+        }).then(() => {
+          store.dispatch('user/resetToken').then(() => {
+            location.reload()
+          })
+        })
+      }
+      return Promise.reject(new Error(res.message || 'Error'))
+    } else {
+      return res
+    }
+  },
+  error => {
+    console.log('err' + error) // for debug
+    Message({
+      message: error.message,
+      type: 'error',
+      duration: 5 * 1000
+    })
+    return Promise.reject(error)
+  }
+)
+
+export default service