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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <meta charset="UTF-8">
- <meta name="viewport" content="width=device-width, initial-scale=1.0">
- <title>Document</title>
- <script src="./js/vue.js"></script>
- </head>
- <body>
- <div id="app">
- <ul>
- <!-- v-for 实现循环 -->
- <!-- 每次循环的值 in 循环的数组 -->
- <!-- <li v-for="item in list">{{item}}</li> -->
- <!-- 循环数组时 可以使用 v-bind:key 绑定一个唯一的key值 给每一个li打个编号，可以保障vue识别出每一个li -->
- <li v-for="(item,index) in list" v-bind:key="index">索引为：{{index}},值为：{{item}}</li>
- </ul>
- <ul>
- <li v-for="(value,key) in obj" v-bind:key="key"> 键为：{{key}},值为：{{value}} </li>
- </ul>
- </div>
- <script>
- new Vue({
- el:"#app",
- data:{
- list:["张三","李四","王五","赵六"],
- obj:{
- userName:"张三",
- age:18,
- sex:"男"
- }
- }
- })
- </script>
- </body>
- </html>
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