53 lines
1.5 KiB
HTML
53 lines
1.5 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Document</title>
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</head>
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<body>
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<!-- 父组件 -->
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<div id="app">
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<apps @emititem="ClickOn"></apps>
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<!-- 在自定义事件中默认不写就是传递值，在dom中方法默认不写就是传递event对象 -->
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</div>
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<template id="tpl">
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<div>
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<button v-for="item in list" @click="ClickSubmit(item)">{{item.content}}</button>
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</div>
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</template>
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</body>
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<script src="../../../JavaScript/vue.js"></script>
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<script>
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const vue=new Vue({
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el:"#app",
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methods:{
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ClickOn(item){
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alert(item.id+item.content)
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}
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},
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components:{
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'apps':{
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template:"#tpl",
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data(){
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return {
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list:[
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{ id: 721, content: "热门推荐" },
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{ id: 223, content: "手机数码" },
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{ id: 653, content: "家用电器" },
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{ id: 324, content: "电脑办公" },
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//"热门推荐",'手机数码','家用电器','电脑办公'
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]//注意格式：子组件中如果要返回任意内容，那么就必须创建一个data对象返回内容
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}
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},
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methods: {
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ClickSubmit(item){
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this.$emit('emititem',item)//发射一个事件给父组件
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}
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},
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}
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}
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})
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</script>
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</html> |