MUI官网：
https://dev.dcloud.net.cn/mui/ui/
1、下载github内容至本地解压：
github地址：https://github.com/dcloudio/mui
2、复制dist文件夹下三个文件至项目中：
在main.js中引入样式：
// 导入 MUI 的样式表import'./lib/mui/css/mui.min.css'
如：Tabbar
<!--Tabbar--><nav class="mui-bar mui-bar-tab"><a class="mui-tab-item mui-active"href="#tabbar"><span class="mui-icon mui-icon-home"></span><span class="mui-tab-label">首页</span></a><a class="mui-tab-item"href="#tabbar-with-chat"><span class="mui-icon mui-icon-email"><span class="mui-badge">9</span></span><span class="mui-tab-label">消息</span></a><a class="mui-tab-item"href="#tabbar-with-contact"><span class="mui-icon mui-icon-contact"></span><span class="mui-tab-label">通讯录</span></a><a class="mui-tab-item"href="#tabbar-with-map"><span class="mui-icon mui-icon-gear"></span><span class="mui-tab-label">设置</span></a></nav>
