Vue学习笔记01

Vue项目声明式渲染

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    
    <div id="app">
     	{{ message }}
    </div>

//导入vue  依赖cdn
 <script src="https://cdn.bootcss.com/vue/2.6.10/vue.min.js"></script>    
<script>
   var app = new Vue({
        el: '#app',
         data: {
            message: 'Hello Vue!'
              }
})
</script>


</body>
</html>

Vue条件渲染 “v-if”

<body>
    
	  <div v-if="type === 'A'">A</div>
	  <div v-else-if="type === 'B'">B</div>
	  <div v-else-if="type === 'C'">C</div>
	  <div v-else>Not A/B/C</div>

//导入vue  依赖cdn
 <script src="https://cdn.bootcss.com/vue/2.6.10/vue.min.js"></script>    
<script>
   var app = new Vue({
        el: '#app',
         data: {
           type: 'A'
              }
})
</script>

</body>

Vue列表渲染 v-for

<body>
    <div id="app">
        <li v-for="item in items">
                {{item.message}}
        </li>
//还支持一个可选的第二个参数,即当前项的索引。
        <li v-for="(item,index) in items">
            {{item.message}}--{{index}}
    </li>
      </div>
//导入vue  依赖cdn
 <script src="https://cdn.bootcss.com/vue/2.6.10/vue.min.js"></script>    
<script>
   var app = new Vue({
        el: '#app',
         data: {
                 items: [
                    {message: '账号'},
                    {message: '密码'},
                    {message: '头像'},
                    {message: '简介'}
                 ]
              }
})
</script>

</body>
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