react笔记

撰写于 2017-07-23 修改于 2017-07-24

react

安装环境

NPM初始化 npm init

引入包 cnpm install –save react react-dom babelify babel-preset-react

cnpm install babel-preset-es2015 –save ES5支持安装

webpack打包

全局安装webpack cnpm install -g webpack-dev-server

cnpm install -g webpack

项目目录安装webpack cnpm install webpack-dev-server –save
cnpm install webpack –save

webpack命令调试，webpack watch实时编译

webpack-dev-server实时刷新
webpack-dev-server –contentbase -src –inline –hot

react developer tools插件

react组件

组件return函数里面只能有一个HTML节点，如果有多个可以用div包裹起来