文章目录
1. 遍历数组1.1 < li > 标签中使用语法示例完整示例 1.2 模板中使用语法示例完整示例 2. 迭代对象属性2.1 迭代第一个参数(值)2.2 迭代第二个参数(键名)2.3 第三个参数(索引值) 3. 遍历整数范围1. 遍历数组
1.1 < li > 标签中使用
语法示例
<li v-for="site in sites">{{ site.name }} : {{site.attack}}</li>
完整示例
代码<!DOCTYPE html><html><head><meta charset="utf-8" /><title>CROW SONG</title><script src="/vue/2.2.2/vue.min.js"></script></head><body><div id="app"><ol><li v-for="site in sites">{{ site.name }} : {{site.attack}}</li></ol></div><script>new Vue({el: "#app",data: {sites: [{name: "关羽", attack: 95 },{name: "张飞", attack: 90 },{name: "赵云", attack: 97 },{name: "马超", attack: 92 },{name: "黄忠", attack: 88 },],},});</script></body></html>
打印结果
1.2 模板中使用
语法示例
<ul><template v-for="site in sites"><li > xxxxxxx </li></template></ul>
完整示例
代码<!DOCTYPE html><html><head><meta charset="utf-8" /><title>CROW SONG</title><script src="/vue/2.2.2/vue.min.js"></script></head><body><div id="app"><ul><template v-for="site in sites"><li >{{ site.name }} : {{site.attack}}</li><li>====================</li></template></ul></div><script>new Vue({el: "#app",data: {sites: [{name: "关羽", attack: 95 },{name: "张飞", attack: 90 },{name: "赵云", attack: 97 },{name: "马超", attack: 92 },{name: "黄忠", attack: 88 },],},});</script></body></html>
输出
2. 迭代对象属性
对象有三个值,按顺序一次是:value,key,index。
我们用以下示例测试:
2.1 迭代第一个参数(值)
<!DOCTYPE html><html><head><meta charset="utf-8"><title>CROW SONG</title><script src="/vue/2.2.2/vue.min.js"></script></head><body><div id="app"><ul><li v-for="info in object">{{ info }}</li></ul></div><script>new Vue({el: '#app',data: {object: {name: '关羽',belong: '蜀',attack: 98}}})</script></body></html>
输出
2.2 迭代第二个参数(键名)
<div id="app"><ul><li v-for="(value,key) in object">{{key }} : {{value}}</li></ul></div>
显示结果
2.3 第三个参数(索引值)
<div id="app"><ul><li v-for="(value,key,index) in object">{{index}} : {{ key }} : {{value}}</li></ul></div>
3. 遍历整数范围
<!DOCTYPE html><html><head><meta charset="utf-8"><title>CROW-宋</title><script src="/vue/2.2.2/vue.min.js"></script></head><body><div id="app"><ul><li v-for="n in 8">{{ n }}</li></ul></div><script>new Vue({el: '#app'})</script></body></html>
结果输出