<!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>