var React = require('react');var SomeComponent = React.createClass({ componentWillMount: function() {someVariable = "Variable";return someVariable },render: function() {return (<div>{someVariable}</div>);}});module.exports = SomeComponent;组件如何从componentWillMount中检索someVariable？解决方法:您的示例有效,因为您正在定义一个全局变量,然后render方法可以访问该变量.这通常很糟糕.我认为你真正想要的是在...
参见英文答案 > What does curly brackets in the `var { … } = …` statements do? 4个作为反应原生的例子：https://github.com/facebook/react-nativevar React = require('react-native'); var { ScrollView, TouchableHighlight, Text } = React;var TouchDemo = React.createClass({render: function() {return (<ScrollView><TouchableHighlight onPress={() => console.log('pressed')...