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console
var app = new Vue({
  el: '#app',
  data: {
    myInput: '',
    
    myTextArea: '',
    
    myCheckBox: [],
    
    myRadio: '',
    
    mySelect: ''
    
  }
})

<!-- vue js文件引入 -->
<script src="https://cdn.jsdelivr.net/npm/vue@2.6.10/dist/vue.js"></script>
<div id="app">
  <h1>v-model</h1>
  <div class="panel">
    <h2>1. 文本</h2>
    <div class="panel-content">
      <p>当前输入内容: <span>{{myInput}}</span></p>
      <p>请你输入内容: <input type="text" v-model="myInput"/></p>
    </div>
  </div>
  
  <div class="panel">
    <h2>2. 多行文本</h2>
    <div class="panel-content">
      <p>当前输入内容: <span>{{myTextArea}}</span></p>
      <p>请你输入内容: <textarea type="text" v-model="myTextArea"></textarea></p>
    </div>
  </div>
  
  <div class="panel">
    <h2>3. 复选</h2>
    <div class="panel-content">
      <p>当前输入内容: <span>{{myCheckBox}}</span></p>
      <p>请你输入内容:  
        <input type="checkbox" id="jack" value="Jack" v-model="myCheckBox">
        <label for="jack">Jack</label>
        <input type="checkbox" id="john" value="John" v-model="myCheckBox">
        <label for="john">John</label>
        <input type="checkbox" id="mike" value="Mike" v-model="myCheckBox">
        <label for="mike">Mike</label>
      </p>
    </div>
  </div>
  
  <div class="panel">
    <h2>4. 单选</h2>
    <div class="panel-content">
      <p>当前输入内容: <span>{{mySelect}}</span></p>
      <p>请你输入内容:  
        <select v-model="mySelect">
          <option disabled value="">请选择</option>
          <option>A</option>
          <option>B</option>
          <option>C</option>
        </select>
      </p>
    </div>
  </div>
  
  <div class="tips">Tips: <a href="https://cn.vuejs.org/v2/guide/forms.html" target="_blank">关于表单输入绑定更多请点击</a></div>
  
  
</div>
body {
  font-size: 14px;
}

h1 {
    font-size: 32px;
    font-weight: normal;
    border-left: 3px solid #2795EE;
    padding-left: 15px;
}

h2 {
    font-size: 18px;
    font-weight: normal;
    border-left: 3px solid #2795EE;
    margin: 0;
    padding-left: 15px;
    margin-left: 15px;
}

.panel {
    margin: 20px 0;
}

.panel-content {
    padding: 20px 30px;
    border-bottom: 1px dashed #2795EE;
}

p {
    margin: 10px 0;
}

input {
    border: none;
    background: none;
    border-bottom: 1px solid #2795EE;
    outline: none;
}

.tips {
    border: 1px solid #e86565;
    color: #e86565;
    padding: 5px 20px;
    text-align: center;
    margin: 20px;
    border-radius: 10px;
}

/* input {
  border: none;
  background: none;
  border-bottom: 1px solid #333;
  outline:none;
}

h3 {
  font-weight: normal;
  color: #2795EE;
} */