From e1257a084f93adea626768d7a86a6030acd6b1a4 Mon Sep 17 00:00:00 2001
From: liyang <1711467488@qq.com>
Date: Mon, 27 Aug 2018 10:47:01 +0800
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Former-commit-id: 32635935c307b8af906ad12bd5f18006fc67ce78
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---
 src/pages/demo/plugins/mock/ajax.vue |  4 ++
 src/plugin/axios/index.js            | 72 ++++++++++++++++++++++++----
 2 files changed, 66 insertions(+), 10 deletions(-)

diff --git a/src/pages/demo/plugins/mock/ajax.vue b/src/pages/demo/plugins/mock/ajax.vue
index eb4eb3fd..27ed91ba 100644
--- a/src/pages/demo/plugins/mock/ajax.vue
+++ b/src/pages/demo/plugins/mock/ajax.vue
@@ -25,6 +25,7 @@
 <script>
 import { PluginMocksAjax } from '@/api/demo/plugins/mocks/ajax'
 export default {
+  name: 'demo-plugins-mock-ajax',
   data () {
     return {
       table: {
@@ -46,6 +47,9 @@ export default {
           }))
           this.table.data = res.list
         })
+        .catch(() => {
+          // 错误情况
+        })
     }
   }
 }
diff --git a/src/plugin/axios/index.js b/src/plugin/axios/index.js
index 64965012..f962602b 100644
--- a/src/plugin/axios/index.js
+++ b/src/plugin/axios/index.js
@@ -1,7 +1,36 @@
+import store from '@/store'
 import axios from 'axios'
 import { Message } from 'element-ui'
 import util from '@/libs/util'
 
+// 创建一个错误
+function errorCreat (msg) {
+  const err = new Error(msg)
+  errorLog(err)
+  throw err
+}
+
+// 记录和显示错误
+function errorLog (err) {
+  // 添加到日志
+  store.dispatch('d2admin/log/add', {
+    type: 'error',
+    err,
+    info: '数据请求异常'
+  })
+  // 打印到控制台
+  if (process.env.NODE_ENV === 'development') {
+    util.log.danger('>>>>>> Error >>>>>>')
+    console.log(err)
+  }
+  // 显示提示
+  Message({
+    message: err.message,
+    type: 'error',
+    duration: 5 * 1000
+  })
+}
+
 // 创建一个 axios 实例
 const service = axios.create({
   baseURL: process.env.VUE_APP_API,
@@ -37,21 +66,44 @@ service.interceptors.response.use(
     const { code } = dataAxios
     // 根据 code 进行判断
     if (code === undefined) {
-      // 如果没有 code 代表这不是后端返回的数据（例如请求 D2Admin 最新版本）
+      // 如果没有 code 代表这不是项目后端开发的接口 比如可能是 D2Admin 请求最新版本
       return dataAxios
     } else {
-      // 有 code 代表这是一个后端接口
-      return dataAxios.data
+      // 有 code 代表这是一个后端接口 可以进行进一步的判断
+      switch (code) {
+        case 0:
+          // [ 示例 ] code === 0 代表没有错误
+          return dataAxios.data
+        case 'xxx':
+          // [ 示例 ] 其它和后台约定的 code
+          util.log.error('code xxx')
+          errorCreat(`${dataAxios.msg}: ${response.config.url}`)
+          break
+        default:
+          // 不是正确的 code
+          errorCreat(`${dataAxios.msg}: ${response.config.url}`)
+          break
+      }
     }
   },
   error => {
-    util.log.danger('>>>>>> Error >>>>>>')
-    console.log(error)
-    Message({
-      message: error.message,
-      type: 'error',
-      duration: 5 * 1000
-    })
+    if (error && error.response) {
+      switch (error.response.status) {
+        case 400: error.message = '请求错误'; break
+        case 401: error.message = '未授权，请登录'; break
+        case 403: error.message = '拒绝访问'; break
+        case 404: error.message = `请求地址出错: ${error.response.config.url}`; break
+        case 408: error.message = '请求超时'; break
+        case 500: error.message = '服务器内部错误'; break
+        case 501: error.message = '服务未实现'; break
+        case 502: error.message = '网关错误'; break
+        case 503: error.message = '服务不可用'; break
+        case 504: error.message = '网关超时'; break
+        case 505: error.message = 'HTTP版本不受支持'; break
+        default: break
+      }
+    }
+    errorLog(error)
     return Promise.reject(error)
   }
 )