请教下各位大佬@choose=changeEvent到底哪里定义错了，一直想不通
<!DOCTYPE html>
<html lang = "en" >
<head >
<meta charset = "UTF-8" >
<title >Title</title >
<style >
</style >
</head >
<body >
<div id="app">
<ul>
<school v-for="item ,index in schoolList" :school-name="item"
:key="'avc'+index" :index="index" @choose="changeEvent"> </school>
</ul>
<h2>选中的学校是{{chooseSchool}}</h2>
</div>
<script src="../js/vue.js" type="text/javascript" charset="utf-8"></script>
<script type="text/javascript" >
Vue.component("school",{
props:["schoolName"],
template:
` <li>
<h3>学校名称:{{schoolName}}</h3>
<button v-on:click="chooseEvent(schoolName)" >选择学校</button>
</li>`,
methods:{
chooseEvent:function (schoolName) {
this.$emit('choose',schoolName);
},
},
});
const app=new Vue({
el:"#app",
data:{
chooseSchool:"",
schoolList:["清华大学","北京大学","东京大学"],
methods:{
changeEvent:function (data) {
console.log("hahha");
this.chooseSchool=data;
}
}
}
})
</script >
</body >
</html >
