1. 安装eslint插件：npm install --save-dev eslint-config-vue eslint-plugin-vue
2. 创建eslintrc.js文件，添加相关代码规范（根据自己喜好进行调整）
   

module.exports = {   root: true,   parserOptions: {     parser: 'babel-eslint',     sourceType: 'module'   },   env: {     browser: true,     node: true,     es6: true   },   extends: ['plugin:vue/recommended', 'eslint:recommended'],    // add your custom rules here   // it is base on https://github.com/vuejs/eslint-config-vue   rules: {     'vue/attribute-hyphenation': 'off',     'vue/no-mutating-props': 'off',     'vue/require-prop-types': 'off',     'vue/html-self-closing': [       'error',       {         html: {           void: 'any',           normal: 'any',           component: 'always'         },         svg: 'always',         math: 'always'       }     ],     'vue/max-attributes-per-line': [       2,       {         singleline: 2,         multiline: {           max: 2,           allowFirstLine: false         }       }     ],     'vue/singleline-html-element-content-newline': 'off',     'vue/multiline-html-element-content-newline': 'error',     'vue/name-property-casing': ['error', 'PascalCase'],     'vue/no-v-html': 'off',     'accessor-pairs': 2,     'arrow-spacing': [       2,       {         before: true,         after: true       }     ],     'block-spacing': [2, 'always'],     'brace-style': [       2,       '1tbs',       {         allowSingleLine: true       }     ],     camelcase: [       0,       {         properties: 'always'       }     ],     'comma-dangle': [2, 'never'],     'comma-spacing': [       2,       {         before: false,         after: true       }     ],     'comma-style': [2, 'last'],     'constructor-super': 2,     curly: [2, 'multi-line'],     'dot-location': [2, 'property'],     'eol-last': 2,     eqeqeq: 'off',     'generator-star-spacing': [       2,       {         before: true,         after: true       }     ],     'handle-callback-err': [2, '^(err|error)$'],     indent: [       2,       2,       {         SwitchCase: 1       }     ],     'jsx-quotes': [2, 'prefer-single'],     'key-spacing': [       2,       {         beforeColon: false,         afterColon: true       }     ],     'keyword-spacing': [       2,       {         before: true,         after: true       }     ],     'new-cap': [       2,       {         newIsCap: true,         capIsNew: false       }     ],     'new-parens': 2,     'no-array-constructor': 2,     'no-caller': 2,     'no-case-declarations': 'off',     'no-console': 'off',     'no-class-assign': 2,     'no-cond-assign': 2,     'no-const-assign': 2,     'no-control-regex': 0,     'no-delete-var': 2,     'no-dupe-args': 2,     'no-dupe-class-members': 2,     'no-dupe-keys': 2,     'no-duplicate-case': 2,     'no-empty-character-class': 2,     'no-empty-pattern': 2,     'no-eval': 2,     'no-ex-assign': 2,     'no-extend-native': 2,     'no-extra-bind': 2,     'no-extra-boolean-cast': 2,     'no-extra-parens': [2, 'functions'],     'no-fallthrough': 2,     'no-floating-decimal': 2,     'no-func-assign': 2,     'no-implied-eval': 2,     'no-inner-declarations': [2, 'functions'],     'no-invalid-regexp': 2,     'no-irregular-whitespace': 2,     'no-iterator': 2,     'no-label-var': 2,     'no-labels': [       2,       {         allowLoop: false,         allowSwitch: false       }     ],     'no-lone-blocks': 2,     'no-mixed-spaces-and-tabs': 2,     'no-multi-spaces': 2,     'no-multi-str': 2,     'no-multiple-empty-lines': [       2,       {         max: 1       }     ],     'no-native-reassign': 2,     'no-negated-in-lhs': 2,     'no-new-object': 2,     'no-new-require': 2,     'no-new-symbol': 2,     'no-new-wrappers': 2,     'no-obj-calls': 2,     'no-octal': 2,     'no-octal-escape': 2,     'no-path-concat': 2,     'no-proto': 2,     'no-redeclare': 2,     'no-regex-spaces': 2,     'no-return-assign': [2, 'except-parens'],     'no-self-assign': 2,     'no-self-compare': 2,     'no-sequences': 2,     'no-shadow-restricted-names': 2,     'no-spaced-func': 2,     'no-sparse-arrays': 2,     'no-this-before-super': 2,     'no-throw-literal': 2,     'no-trailing-spaces': 2,     'no-undef': 2,     'no-undef-init': 2,     'no-unexpected-multiline': 2,     'no-unmodified-loop-condition': 2,     'no-unneeded-ternary': [       2,       {         defaultAssignment: false       }     ],     'no-unreachable': 2,     'no-unsafe-finally': 2,     'no-unused-vars': [       1,       {         vars: 'all',         args: 'none'       }     ],     'no-useless-call': 2,     'no-useless-computed-key': 2,     'no-useless-constructor': 2,     'no-useless-escape': 0,     'no-whitespace-before-property': 2,     'no-with': 2,     'one-var': [       2,       {         initialized: 'never'       }     ],     'operator-linebreak': [       2,       'after',       {         overrides: {           '?': 'before',           ':': 'before'         }       }     ],     'padded-blocks': [2, 'never'],     quotes: [       2,       'single',       {         avoidEscape: true,         allowTemplateLiterals: true       }     ],     semi: [2, 'never'],     'semi-spacing': [       2,       {         before: false,         after: true       }     ],     'space-before-blocks': [2, 'always'],     'space-before-function-paren': [0, 'never'],     'space-in-parens': [2, 'never'],     'space-infix-ops': 2,     'space-unary-ops': [       2,       {         words: true,         nonwords: false       }     ],     'spaced-comment': [       2,       'always',       {         markers: ['global', 'globals', 'eslint', 'eslint-disable', '*package', '!', ',']       }     ],     'template-curly-spacing': [2, 'never'],     'use-isnan': 2,     'valid-typeof': 2,     'wrap-iife': [2, 'any'],     'yield-star-spacing': [2, 'both'],     yoda: [2, 'never'],     'prefer-const': 2,     'no-debugger': 0,     'object-curly-spacing': [       2,       'always',       {         objectsInObjects: false       }     ],     'array-bracket-spacing': [2, 'never']   } }  

3. webstorm进行快捷键设置
   
4. 这样在页面使用Alt + S，即可一键格式化代码了