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夺命雷公狗-----React---20--实现验证码大写

2024-08-21 21:36:45   221人阅读

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<!DOCTYPE>
<html>
    <head>
        <meta charset="utf-8">
        <title></title>
        <script src="./js/react.js"></script>
        <script src="./js/react-dom.js"></script>
        <script src="./js/browser.min.js"></script>
        <style>
            *{ margin:0px;  padding:0px;}
            
        </style>
    </head>
    <body>
        <div id="dome"></div>
        <div id="test"></div>
        <script type="text/babel">
            var Fix = React.createClass({
                getInitialState:function(){
                    return{
                        user:‘‘
                    }
                },
                handleChange:function(e){
                    this.setState({
                        user:e.target.value.toUpperCase()
                    })
                },
                render:function(){
                    return(
                        <div>
    验证码：<input type="text" name="user" value={this.state.user} onChange={this.handleChange} />1f5Q
                        </div>
                    );
                }
            });
            ReactDOM.render(
                <Fix />,
                document.getElementById(‘dome‘)
            );
        </script>
    </body>
</html>

 

夺命雷公狗-----React---20--实现验证码大写


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