我要评论效果图：
代码如下：
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<h3 class="userinfo clearfix"><a href="" class=" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" name">大黄蜂</a><span class="fl-right tags"><a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="f-reply">回复</a><a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="f-support">点赞</a></span></h3>
<p class="time">2017-04-25 09:26:02</p>
<p class="content">的确很漂亮啊，拍照技术越来越好了</p>
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<h3 class="userinfo clearfix"><a href="" class=" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" name">大黄蜂</a><span class="fl-right tags"><a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="f-reply">回复</a><a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="f-support">点赞</a></span></h3>
<p class="time">2017-04-22 09:26:02</p>
<p class="content">的确很漂亮啊，拍照技术越来越好了</p>
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<h3 class="userinfo clearfix"><a href="" class=" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" name">大黄蜂</a><span class="fl-right tags"><a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="f-reply">回复</a><a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="f-support">点赞</a></span></h3>
<p class="time">2017-04-26 17:50:02</p>
<p class="content">的确很漂亮啊，拍照技术越来越好了</p>
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<h3 class="userinfo clearfix"><a href="" class=" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" name">大黄蜂</a><span class="fl-right tags"><a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="f-reply">回复</a><a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="f-support">点赞</a></span></h3>
<p class="time">2017-04-26 09:26:02</p>
<p class="content">的确很漂亮啊，拍照技术越来越好了</p>
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//开发中我们需要计算一条动态的发布时间，一般我们得到的是一条日期字符串，我们需要计算当前时间和动态的发布时间，计算它们的差值来判断发布在什么时候
//date.parse() 解析一个日期时间字符串，并返回1970/1/1 午夜距离该日期时间的毫秒数
//var ndays = math.abs(parseint((time2 - time1)/1000/3600/24));
// 获取当前时间戳(以s为单位)
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var datetime = time;//后台传递来的时间
var ts = timeselector;//选择器
var d_day = date.parse(new date(datetime));
var day = math.abs(parseint((d_day - currenttime)/1000/3600/24));//计算日期
var hour = math.abs(parseint((d_day - currenttime)/1000/3600));//计算小时
var minutes = math.abs(parseint((d_day - currenttime)/1000/60));//计算分钟
var seconds = math.abs(parseint((d_day - currenttime)/1000));//计算秒
console.log(day);
if(day >= 2){
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