标签：color key button font return rip tar label type
HTML代码如下：
<body>
<div id="app">
<com1 @func="loadComments"></com1>
<ul class="list-group">
<li class="list-group-item" v-for="item in list" :key="item.id">
<span class="badge">评论人：{{item.user}}</span>
{{item.content}}
</li>
</ul>
</div>
<template id="box">
<div>
<div class="form-group">
<label>评论人：<input type="text" class="form-control" v-model="user"></label>
</div>
<div class="form-group">
<label>评论内容：<textarea class="form-control" v-model="content"></textarea></label>
</div>
<div class="form-group">
<input type="button" value="评论" class="btn btn-primary" @click="postComment"></input>
</div>
</div>
</template>
</body>
vue代码如下：
<script>
var commentBox = {
template: ‘#box‘,
data() {
return {
user: ‘‘,
content: ‘‘,
}
},
methods: {
postComment() {//发表评论的按钮
// 获取评论数据
var comment = { id: Date.now(), user: this.user, content: this.content }
// 从localStorage中获取评论
var list = JSON.parse(localStorage.getItem(‘cmts‘) || ‘[]‘);
list.unshift(comment);
// 重新保存最新的评论数据，
localStorage.setItem(‘cmts‘, JSON.stringify(list));
// 点击评论之后，清空数据
this.user = this.content = ‘‘;
//点击评论的时候就，子组件调用父组件的方法来刷新
this.$emit(‘func‘);
}
},
}
new Vue({
el: ‘#app‘,
data: {
list: [
{ id: Date.now(), user: ‘李四1‘, content: ‘天生我才必有用1‘ },
{ id: Date.now(), user: ‘李四2‘, content: ‘天生我才必有用2‘ },
{ id: Date.now(), user: ‘李四3‘, content: ‘天生我才必有用3‘ },
]
},
created() {
this.loadComments();
},
methods: {
loadComments(){
// 从localStorage中获取评论,刷新页面
var list = JSON.parse(localStorage.getItem(‘cmts‘) || ‘[]‘);
this.list=list;
}
},
components: {
com1: commentBox
}
});
标签：color key button font return rip tar label type
原文地址：https://www.cnblogs.com/pengppp/p/11781343.html
