<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>v-model</title>
</head>
<body>
    <div id="app">
        <input type="checkbox" v-model="checks" value="足球">
        <label for="">足球</label>
        <input type="checkbox" v-model="checks" value="篮球">
        <label for="">篮球</label>
        <input type="checkbox" v-model="checks" value="排球">
        <label for="">排球</label>
        <br>
        <span>爱好：{{checks}}</span>
    </div>

    <script src="../js/vue.js"></script>

    <script>
        let vm = new Vue({
           el:'#app',
           data:{
               checks:[]
           }
        });
    </script>
</body>
</html>