<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Document</title>
</head>
<body>
  <div id="app">
    <form action="">
      <div>
        用户名:
        <input type="text" v-on:keyup.delete='clearContent' v-model='uname'>
      </div>
      <div>
        密码:
        <input type="text" v-on:keyup.f1='handleSubmit' v-model='pwd'>
      </div>
      <div>
        <input type="button" v-on:click='handleSubmit' value="提交">
      </div>
    </form>
  </div>
  <script type="text/javascript" src="js/vue.js"></script>
  <script type="text/javascript">
    /*
      事件绑定-按键修饰符
    */
    Vue.config.keyCodes.f1 = 113
    var vm = new Vue({
      el: '#app',
      data: {
        uname: '',
        pwd: '',
        age: 0
      },
      methods: {
        clearContent:function(){
          // 按delete键的时候,清空用户名
          this.uname = '';
        },
        handleSubmit: function(){
          console.log(this.uname,this.pwd)
        }
      }
    });
  </script>
</body>
</html>按键修饰符
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