<div id="container"> <h1> <a href="#" rel="external nofollow" rel="external nofollow" > Hello world! </a> </h1> </div>
<!DOCTYPE html>
<html>
<head>
<title>演示Vue</title>
<style>
</style>
</head>
<body>
<div id="container">
<tb-heading :level="1">
<a href="#" rel="external nofollow" rel="external nofollow" >Hello world!</a>
</tb-heading>
</div>
</body>
<script src="./vue.js"></script>
<script type="text/x-template" id="templateId">
<h1 v-if="level === 1">
<slot></slot>
</h1>
<h2 v-else-if="level === 2">
<slot></slot>
</h2>
</script>
<script>
Vue.component('tb-heading', {
template: '#templateId',
props: {
level: {
type: Number,
required: true
}
}
});
new Vue({
el: '#container'
});
</script>
</html>
<script>
export default {
name: "XButtonGroup",
props: {
compact: { //自定义的button-group属性,影响其classname
type: Boolean,
default: true
}
},
render(createElement) {
//此处创建element
},
computed: {
groupClass() {
const className = ["field"]; //通过计算属性监听compact属性传入className
className.push(this.compact ? "has-addons" : "is-grouped");
return className;
}
}
};
</script>
render(createElement) {
return createElement(
'div', {
class: this.groupClass
}, '内容',
)
}
render(createElement) {
return createElement(
'div', {
class: this.groupClass
}, this.$slots.default,
)
},
render(createElement) {
//遍历每一个VNode,用createElement函数在外层包裹class为control的p标签,组成新的VNode数组
const arry = this.$slots.default.map(VNode => {
return createElement('p', {
class: 'control'
}, [VNode])
})
return createElement(
'div', {
class: this.groupClass
}, arry,
)
},
<x-button-group :compact="true">
<x-button v-for="(item,index) in buttonType" :key="index" :type="item">{{item}}</x-button>
</x-button-group>
<x-button-group :compact="false">
<x-button v-for="(item,index) in buttonType" :key="index" :type="item">{{item}}</x-button>
</x-button-group>
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