標籤：button php initial 系統 min color eve tde class
參照：http://www.ruanyifeng.com/blog/2015/03/react.html
注意事項：1.必須放倒伺服器上，在檔案系統上無法運行
login.html
<!doctype html><head> <meta charset="utf-8"> <script src="https://npmcdn.com/[email protected]/dist/react-with-addons.min.js"></script> <script src="https://npmcdn.com/[email protected]/dist/react-dom.min.js"></script> <script src="https://npmcdn.com/[email protected]/browser.min.js"></script> <link rel="stylesheet" href="http://cdn.bootcss.com/bootstrap/3.3.2/css/bootstrap.min.css"> <link rel="stylesheet" href="http://cdn.bootcss.com/bootstrap/3.3.2/css/bootstrap-theme.min.css"> <script src="http://cdn.bootcss.com/jquery/1.11.2/jquery.min.js"></script> <script src="http://cdn.bootcss.com/bootstrap/3.3.2/js/bootstrap.min.js"></script> <link rel="stylesheet" href="login.css" type="text/css" /> <title> 頁面 </title></head><body style="margin: auto"><div id="root"></div><script type="text/babel" src="login.js"></script></body></html>
login.css
.login{ background-color: red;}.header{ height: 30px; background-color: gray;}.userRole{ height:80px; background-color: lightcyan;}.userId{}.userPassword{}.submitButtonEnabled{ color:blue;}.submitButtonDisabled{ color: gray;}
login.js
var Login = React.createClass({ //props的類型和是否必須填寫 propTypes: { title: React.PropTypes.string.isRequired, role: React.PropTypes.string.isRequired, }, getDefaultProps: function() { console.log("getDefaultProps"); return { title: ‘預設title‘, role: ‘預設role‘, }; }, //初始化state getInitialState: function() { console.log("getInitialState"); return { userId: ‘‘, userPassword: ‘‘, submitEnabled: false, }; }, componentWillMount: function () { console.log("componentWillMount"); this.timer = setInterval(function () { }.bind(this), 100); }, componentDidMount: function () { console.log("componentDidMount"); this.timer = setInterval(function () { }.bind(this), 100); }, componentWillUnmount:function () { console.log("componentWillUnmount"); this.timer = setInterval(function () { }.bind(this), 100); }, //event handleClickSubmit:function () { if(this.state.userId.length < 1 || this.state.userPassword.length < 1){ return; } alert("submit"); $.get("http://publicschool.sinaapp.com/test/test.php?name=jack", function(result) { console.log(result); }.bind(this));//綁定this後,`回呼函數`才能使用`this` }, handleChangeId:function () { this.setState({ userId:this.refs._ref_userId.value, submitEnabled:this.refs._ref_userId.value.length > 0 && this.refs._ref_userPassword.value.length > 0, }); }, handleChangePassword:function () { this.setState({ userPassword:this.refs._ref_userPassword.value, submitEnabled:this.refs._ref_userId.value.length > 0 && this.refs._ref_userPassword.value.length > 0, }); }, //渲染方法 render: function () { return( <div className="login"> <div className="header"> {this.props.title} </div> <div className="userRole"> {this.props.role} </div> <input className="userId" type="text" ref="_ref_userId" placeholder="使用者名稱" onChange={this.handleChangeId} /> <input className="userPassword" type="password" ref="_ref_userPassword" placeholder="密碼" onChange={this.handleChangePassword} /> <button type="button" onClick={this.handleClickSubmit} className={this.state.submitEnabled?"submitButtonEnabled":"submitButtonDisabled"}>登入</button> </div> ); },});ReactDOM.render( <Login title="我是標題" role="學生的家長"/>, document.getElementById(‘root‘));
React JS的基本用法［ES5，純前端寫法］
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