first

vue.config.js

+const { defineConfig } = require('@vue/cli-service')
+const path = require('path')
+
+function resolve(dir) {
+  return path.join(__dirname, dir)
+}
+
+module.exports = defineConfig({
+  transpileDependencies: true,
+  lintOnSave: false,
+  productionSourceMap: false,
+  devServer: {
+    open: true,
+    https: false,
+    hot:true,
+    host: '0.0.0.0',
+    proxy: {
+      "/api": {
+        target: 'http://192.168.3.6:8000',//代理地址 凡是使用/api
+        changeOrigin: true,//允许跨域请求
+        secure: false,
+        pathRewrite: { //重写路径 替换请求地址中的指定路径
+          ['^/api']: '/' //将请求地址中的api替换为空
+        }
+      }
+    },
+    client: {
+      overlay: false
+    }
+  },
+
+  configureWebpack: {
+    resolve: {
+      alias: {
+        '@': resolve('src')
+      },
+      fallback: { 
+        path: require.resolve("path-browserify"),
+        fs:false,
+        crypto: false,
+      },
+    }
+  },
+  
+  css:{
+    loaderOptions:{
+      sass:{
+        additionalData:`@import "./src/assets/scss/style.scss";`
+      }
+    }
+  }
+})