代码
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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">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
</head>
<body>
<div id="app">
<my-component></my-component>
</div>
</body>
<script src="https://unpkg.com/vue/dist/vue.js"></script>
<script type="text/javascript">
Vue.component('myComponent', {
template: '<div><div>{{ count }}</div><button @click="add">添加次数</button></div>',
data() {
return {
count: 10
}
},
methods: {
add() {
this.count = this.count + 1;
}
},
created() {
console.log('组件myComponent:created')
}
})
var vm = new Vue({
el: '#app',
data() {
return {}
}
})
</script>
</html>
运行结果