案例:Vue.js案例     状态:可编辑再运行    进入横版
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>Vue 测试实例 - W3xue教程(w3xue.com)</title>
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<script src="//unpkg.com/vue/dist/vue.js"></script>
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</head>
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<body>
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<div id="app">
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      <p>{{ total }}</p>
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      <button-counter @increment="incrementTotal"></button-counter>
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      <button-counter @increment="incrementTotal"></button-counter>
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</div>
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<script>
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Vue.component('button-counter', {
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  template: '<button @click="addnow">{{ counter }}</button>', //这里使用方法addnow
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  data: function () {
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    return {
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      counter: 0
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    }
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  },

 运行结果 
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