包括功能开发、组件拆分、组件与实例的关系、以及删除功能。
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title></title>
<script src="./vue.js"></script>
</head>
<body>
<div id = "root">
<input v-model = "inputValue"/>
<button @click="handleSubmit">提交</button>
<ul>
<todo-list
v-for="(item,index) in list"
:key="index"
:content="item"
:index="index"
@delete="handleDelete"
>
</todo-list>
</ul>
</div>
<script>
Vue.component('todo-list',{
props:['content','index'],
template:'<li @click="handleClick">{{content}}</li>',
methods:{
handleClick:function(){
this.$emit('delete',this.index)
}
}
})
new Vue({
el: "#root",
data:{
inputValue:'',
list:[],
},
methods:{
handleSubmit:function(){
this.list.push(this.inputValue)
this.inputValue = ''
},
handleDelete:function(index){
this.list.splice(index,1)
}
}
})
</script>
</body>
</html>