<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<div id="app" >
<todo>
<todo-title slot="todo-title" :title="title"></todo-title>
<todo-items slot="todo-items" v-for="(item,index) in todoItems"
:item="item" :index="index" v-on:remove="removeItems(index)" :key="index"></todo-items>
</todo>
</div>
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
<script type="text/javascript">
Vue.component("todo",{
template: '<div>\
<slot name="todo-title"></slot>\
<slot name="todo-title1"></slot>\
<ul>\
<slot name="todo-items"></slot>\
</ul>\
</div>'
})
Vue.component("todo-title",{
props:['title'],
template: '<div>{{title}}</div>'
});
Vue.component("todo-items",{
props:['item','index'],
template: '<li>{{index}}---{{item}}<button @click="remove">删除</button></li>',
methods:{
remove:function (index) {
this.$emit("remove",index)
}
}
});
var vm = new Vue({
el:"#app",
data:{
title:"系列课程",
todoItems:["11111","22222","333333"]
},
methods: {
removeItems:function (index) {
console.log("删除了"+this.todoItems[index]+"ok");
this.todoItems.splice(index,1);
}
}
})
</script>
</body>
</html>