终于可以登录了

config/dev.env.js

@@ -1,5 +1,5 @@
 module.exports = {
   NODE_ENV: '"development"',
   ENV_CONFIG: '"dev"',
-  BASE_API: '"http://localhost:3000/api"'
+  BASE_API: '"http://localhost:3000"'
 }

config/index.js

@@ -10,11 +10,12 @@ module.exports = {
     assetsSubDirectory: 'static',
     assetsPublicPath: '/',
     proxyTable: {
-      '/api':{
+      '/public':{
         target: 'http://chenwenlong.site:8088',  // 接口域名
+        // target: 'http://localhost',  // 接口域名
         changeOrigin: true,  //是否跨域
         pathRewrite: {
-          '^/api': ''   //需要rewrite重写的,
+          '^/public': ''   //需要rewrite重写的,
         }
       }
     },

src/api/login.js

@@ -1,14 +1,14 @@
 import request from '@/utils/request'
 
 export function loginByUsername(username, password) {
-  const data = {
-    username,
-    password
-  }
   return request({
-    url: 'user/login',
+    url: 'public/user/login',
     method: 'post',
-    data
+    params: {
+      username: username,
+      password: password
+    }
+    // params: data,
   })
 }