<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title> </head> <style> </style> <body> <!-- 全局自定义指令 --> <div id="abc"> <span-btn></span-btn> </div> <script src="./js/vue.js"></script> <script> Vue.component('span-btn', { template: ` <div> <span>{{count4}}</span> <button @click="changeCount4">按钮</button> </br> </div> `, data() { return { count4: 0 } }, methods: { changeCount4() { this.count4++ } } }) var vm = new Vue({ el: '#abc', //模板ajax返回的数据 data: { count4: 0 }, methods: { }, }) </script> <!-- 列表渲染 --> <!-- 1渲染数组 --> <!-- 2c处理无数据的时候 --> </body> </html>
