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]": {},
}
