Vue项目快速初始化手淘2.0适配方案

快速开始：

• 初始化vue项目

vue create vw_demo 

• 安装依赖
  yarn add postcss-aspect-ratio-mini postcss-px-to-viewport postcss-write-svg postcss-cssnext postcss-viewport-units cssnano cssnano-preset-advanced --dev
• 配置postcssconfig.js

"postcss-write-svg": { utf8: false }, 
"postcss-cssnext": {}, 
"postcss-px-to-viewport": { viewportWidth: 750, // (Number) The width of the viewport. 
viewportHeight: 1334, // (Number) The height of the viewport. 
unitPrecision: 3, // (Number) The decimal numbers to allow the REM units to grow to. 
viewportUnit: 'vw', // (String) Expected units. 
selectorBlackList: ['.ignore', '.hairlines'], // (Array) The selectors to ignore and leave as px. 
minPixelValue: 1, // (Number) Set the minimum pixel value to replace. 
mediaQuery: false // (Boolean) Allow px to be converted in media queries. }, 
"postcss-viewport-units":{}, 
"cssnano": { preset: "advanced", autoprefixer: false, "postcss-zindex": false }

• 完成

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参考资料 ：
如何在Vue项目中使用vw实现移动端适配