全局变量

.env

@@ -0,0 +1,3 @@
+#本地开发环境
+NODE_ENV=production
+VUE_APP_API_URL=http://localhost:3000

config/dev.env.js

@@ -3,5 +3,6 @@ const merge = require('webpack-merge')
 const prodEnv = require('./prod.env')
 
 module.exports = merge(prodEnv, {
-  NODE_ENV: '"development"'
+  NODE_ENV: '"development"',
+  API_URL: '"http://localhost:3000"' // 后台地址
 })

package-lock.json

@@ -14383,6 +14383,11 @@
       "integrity": "sha512-HjSDRw6gZE5JMggctHBcjVak08+KEVhSIiDzFnT9S9aegmp85S/bReBVTb4QTFaRNptJ9kuYaNhnbNEOkbKb/A==",
       "dev": true
     },
+    "v-contextmenu": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/v-contextmenu/-/v-contextmenu-3.0.0.tgz",
+      "integrity": "sha512-zi38JxmTt66TmljgV1JbfEa9WvoQkpzRuEwZK7Tjb2XoRejbWLozQtkyTWXJa6x6Y3FrVDfgT36w01gpTpo41A=="
+    },
     "v-viewer": {
       "version": "1.6.4",
       "resolved": "https://registry.npmjs.org/v-viewer/-/v-viewer-1.6.4.tgz",

src/components/Login.vue

@@ -50,8 +50,9 @@ export default {
       // console.log(`init===`, this.$socket.id);
     },
     login() {
-      console.log(`process`, process)
-      const apiurl = process.env.VUE_APP_API_URL
+      console.log(`process`, process.env)
+      console.log(`process`, process.env.API_URL)
+      const apiurl = process.env
       console.log(`apiurl`, apiurl)
       if (this.$socket.id) {
         if (this.nickname !== "") {