• vue-cli3+px转rem+vant


    1.安装lib-flexible(用于设置 rem 基准值)

    npm i -S amfe-flexible

    2.在main.js文件中引入lib-flexible

    import 'amfe-flexible'

    3、安装postcss-pxtorem(postcss-pxtorem是一款 postcss 插件,用于将单位转化为 rem)

    npm install postcss-pxtorem --save-dev

    4、在public/index.html加入meta标签

    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">

    5.vue.config.js添加:

    const autoprefixer = require('autoprefixer');
    const pxtorem = require('postcss-pxtorem');
     
    module.exports = {
        css: {
            loaderOptions: {
            postcss: {
                plugins: [
                autoprefixer(),
                pxtorem({
                    rootValue: 75,
                    propList: ['*'],
                    "selectorBlackList":["van-"]   //排除vant框架相关组件
                })
                ]
            }
            }
        }
    };
    

    6.在根目录下新建postcss.config.js,内容为:

    const autoprefixer = require('autoprefixer');
    const pxtorem = require('postcss-pxtorem');
    module.exports = ({ file }) => {
        let remUnit
        if (file && file.dirname && file.dirname.indexOf('vant') > -1) {
            remUnit = 37.5
        } else {
            remUnit = 75
        }
        return {
            plugins: [
                autoprefixer(),
                pxtorem({
                    rootValue: remUnit,
                    propList: ['*'],
                    selectorBlackList: ['van-circle__layer']
                })
            ]
        }
    }    

    注:动态设置rootValue的大小,即对于vant-ui框架的组件 将rootValue设置成37.5,对于我们自己的750宽度的设计稿的将rootValue设置成75

    可参考:https://www.cnblogs.com/wuqun/p/12084304.html

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  • 原文地址:https://www.cnblogs.com/miaSlady/p/12485999.html
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