1.安装包：

"eslint":"^4.19.1",

"eslint-friendly-formatter":"^4.0.1",

"eslint-loader":"^2.0.0",

"eslint-plugin-html":"^4.0.3",

添加.eslintrc.js 文件，用于校验代码

2. 需要插件：eslint  

  vetur :  HTML格式化代码缩进

3.vscode设置：

{

  "editor.tabSize": 2,

  "files.associations": {

      "*.vue": "vue"

  },

  "eslint.autoFixOnSave": true,

  "eslint.options": {

      "extensions": [

          ".js",

          ".vue"

      ]

  },

"eslint.validate": [

    "javascript",{

        "language": "vue",

        "autoFix": true

    },"html",

    "vue"

],

  "search.exclude": {

      "**/node_modules": true,

      "**/bower_components": true,

      "**/dist": true

  },

  "emmet.syntaxProfiles": {

      "javascript": "jsx",

      "vue": "html",

      "vue-html": "html"

},

"[vue]": {},

}