React 组件之间 事件调用(父组件调用子组件)
发布时间:2020-12-15 04:45:46 所属栏目:百科 来源:网络整理
导读:!DOCTYPE htmlhtml head script src="build/react.js"/script script src="build/react-dom.js"/script script src="build/browser.min.js"/script /head body div id="example"/div script type="text/babel"var HelloMessage = React.createClass({getDrag
<!DOCTYPE html> <html> <head> <script src="build/react.js"></script> <script src="build/react-dom.js"></script> <script src="build/browser.min.js"></script> </head> <body> <div id="example"></div> <script type="text/babel"> var HelloMessage = React.createClass({ getDragonKillingSword: function(){ alert("OK"); },render: function() { return <div> <h1>Hello {this.props.name}</h1> <button onClick={this.getDragonKillingSword}>OK</button></div> } }); var ImDaddyComponent = React.createClass({ getDS: function(){ //父组件调用子主键进行通信 this.refs.getSwordButton.getDragonKillingSword(); },render: function(){ return ( <div> <HelloMessage name="John" ref="getSwordButton" /> <button onClick={this.getDS}>OK2</button> </div> ); } }); ReactDOM.render( <ImDaddyComponent />,document.getElementById('example') ); </script> </body> </html> (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |