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  • 如何用Vue模拟v-model

    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <meta http-equiv="X-UA-Compatible" content="ie=edge">
        <title>Document</title>
    </head>
    <body>
        <div id="app">
            <label>
                抽烟:<input type="checkbox" value="抽烟" @change="handleChange($event)"/>
            </label>
            <label>
                喝酒:<input type="checkbox" value="喝酒" @change="handleChange($event)"/>
            </label>
            <label>
                烫头:<input type="checkbox" value="烫头" @change="handleChange($event)"/>
            </label>
            <label>
                大保健:<input type="checkbox" value="大保健" @change="handleChange($event)"/>
            </label>
            <p v-for="item in checkVal">{{item}}</p>
        </div>
    </body>
    </html>
    <script src="./vue.js"></script>
    <script>
        new Vue({
            el:"#app",
            data:{
               checkVal:[]
            },
            methods:{
                handleChange(e){
                    let val = e.target.value;
                    
                    let flag = this.checkVal.includes(val);
                    if(flag){
                        var index = this.checkVal.indexOf(val);
                        this.checkVal.splice(index,1)
                    }else{
                        this.checkVal.push(val);
                    }
                }
            }
        })
    
       
    </script>
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  • 原文地址:https://www.cnblogs.com/r-mp/p/11224114.html
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