菜鸟学堂
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源代码
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Vue 测试实例 - 菜鸟学堂()</title> <script src="https://cdn.bootcss.com/vue/2.2.2/vue.min.js"></script> </head> <body> <div id="app"> <div id="counter-event-example"> <p>{{ total }}</p> <button-counter v-on:increment="incrementTotal"></button-counter> <button-counter v-on:increment="incrementTotal"></button-counter> </div> </div> <script> Vue.component('button-counter', { template: '<button v-on:click="increment">{{ counter }}</button>', data: function () { return { counter: 0 } }, methods: { increment: function () { this.counter += 1 this.$emit('increment') } }, }) new Vue({ el: '#counter-event-example', data: { total: 0 }, methods: { incrementTotal: function () { this.total += 1 } } }) </script> </body> </html>
运行结果
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菜鸟学堂 edu.jb51.net