实例
<!DOCTYPE html>
<html>
<head>
<title>评论功能练习</title>
<meta charset="utf-8">
<link rel="stylesheet" type="text/css" href="css/style.css">
<script type="text/javascript" src="js/jquery-3.3.1.min.js"></script>
</head>
<body>
<div id="list">
<div class="box clearfix">
<!-- 删除说说按钮 close-->
<a class="close" href="javascript:;">×</a>
<img class="head" src="images/aha.jpg" alt="">
<div class="content">
<div class="main">
<p class="txt">
<span class="user">西门大官人: </span>
~ All the luck is for you. ~
</p>
<img class="pic" src="images/img1.jpg" alt="">
</div>
<div class="info clearfix">
<span class="time">02-14 23:01</span>
<!-- 给说说点赞 praise -->
<a class="praise" href="javascript:;">赞</a>
</div>
<div class="praises-total" total="4" style="display: block;">4个人觉得很赞</div>
<!--评论内容-->
<div class="comment-list">
<!-- 每次评论要添加的内容跟标签 -->
<div class="comment-box clearfix" user="self">
<img class="myhead" src="images/1.png" alt="">
<div class="comment-content">
<p class="comment-text"><span class="user">我:</span>你说的都对……</p>
<p class="comment-time">
2019-01-19 14:36
<a href="javascript:;" class="comment-praise" total="1" my="0" style="display: inline-block">1赞</a>
<a href="javascript:;" class="comment-operate">删除</a>
</p>
</div>
</div>
<!--添加结束-->
</div>
<!--评论内容结束-->
<div class="text-box">
<textarea class="comment" placeholder="评论…"></textarea>
<button class="btn">回 复</button>
<span class="word"><span class="length">0</span>/140</span>
</div>
</div>
</div>
<div class="box clearfix">
<a class="close" href="javascript:;">×</a>
<img class="head" src="images/2.jpg" alt=""/>
<div class="content">
<div class="main">
<p class="txt">
<span class="user">欧阳克 : </span>三亚的海滩很漂亮。
</p>
<img class="pic" src="images/img5.jpg" alt=""/>
</div>
<div class="info clearfix">
<span class="time">02-14 23:01</span>
<a class="praise" href="javascript:;">赞</a>
</div>
<div class="praises-total" total="0" style="display: none;"></div>
<div class="comment-list">
<div class="comment-box clearfix" user="other">
<img class="myhead" src="images/2.jpg" alt="">
<div class="comment-content">
<p class="comment-text"><span class="user">韦小宝：</span>我也想去三亚。</p>
<p class="comment-time">
2019-01-19 14:36
<a href="javascript:;" class="comment-praise" total="0" my="0">赞</a>
<a href="javascript:;" class="comment-operate">删除</a>
</p>
</div>
</div>
</div>
<div class="text-box">
<textarea class="comment" placeholder="评论…"></textarea>
<button class="btn">回 复</button>
<span class="word">
<span class="length">0</span>
/140
</span>
</div>
</div>
</div>
</div>
<script type="text/javascript">
$(function(){
$('.comment').click(function(){
$(this).css('height','60');
})
$('.comment').keydown(function(){
$(this).parent().find('span.length').html(140-parseInt($(this).val().length));
})
//回复
$('.btn').click(function(){
var val = $(this).parent().find('.comment').val();
var str='<div class="comment-box clearfix" user="self"><img class="myhead" src="images/1.png" alt=""><div class="comment-content"><p class="comment-text"><span class="user">我:</span>'+val+'</p><p class="comment-time">2019-01-19 14:36<a href="javascript:;" class="comment-praise" total="1" my="0" style="display: inline-block">1赞</a><a href="javascript:;" class="comment-operate">删除</a></p></div></div>'
$(this).parent().siblings('.comment-list').append(str);
$(this).parent().find('.comment').val('');
$(this).parent().find('span.length').html('0');
$(this).parent().find('.comment').css('height',15);
})
//点赞
$(document).on('click','.comment-praise',function(){
console.log($(this).attr('total'));
var num = parseInt($(this).attr('total'))+1;
$(this).attr('total',num);
console.log($(this).html());
$(this).html(num+'赞');
})
//点赞删除
$(document).on('click','.comment-operate',function(){
$(this).parents('.comment-box').remove();
})
//朋友圈删除
$(document).on('click','.close',function(){
$(this).parent().remove();
})
})
</script>
</body>
</html>运行实例 »
点击 "运行实例" 按钮查看在线实例