1.学习父子组件传值,传方法
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<link href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
<script src="./lib/vue.js"></script>
</head>
<body>
<div id="app">
<combox v-on:func="loadComtent"></combox>
<ul class="list-group">
<li class="list-group-item" v-for="item in list" v-bind:key="item.id">
<span class="badge">评论人 :{{item.user}}</span>
{{item.content}}
</li>
</ul>
</div>
<template id="templ">
<div>
<div class="form-group">
<label>评论人:</label>
<input type="text" class="form-control" v-model="user">
</div>
<div class="form-group">
<label>评论内容:</label>
<textarea class="form-control" v-model="content"></textarea>
</div>
<div class="form-group">
<input type="button" value="发表" class="btn btn-primary" v-on:click="fabiao">
</div>
</div>
</template>
<script>
var comBox={
template:'#templ',
data(){
return{
user:'',
content:''
}
},
methods:{
fabiao:function(){
var conment={id:Date.now(),user:this.user,content:this.content}
var list=JSON.parse(localStorage.getItem('cmts')||'[]')
list.push(conment)
localStorage.setItem('cmts',JSON.stringify(list))
this.user=this.content=''
this.$emit('func')
}
}
}
var vm=new Vue({
el:"#app",
data:{
list:[
{id:Date.now(),user:'李白',content:'天生我拆必有用'},
{id:Date.now(),user:'战三',content:'天生我拆必有用2'},
{id:Date.now(),user:'李四',content:'天生我拆必有用3'}
]
},
components:{
combox:
comBox
},
created(){
this.loadComtent()
},
methods:{
loadComtent:function(){
var list=JSON.parse(localStorage.getItem('cmts')||'[]')
this.list=list;
}
}
})
</script>
</body>
</html>