jQuery+CSS3实现点赞功能

2019-11-19 17:10:02

字体：大中小

来源：转载

供稿：网友

效果图：

图（1）初始图

图（2）点击后

代码如下：

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>jQuery+CSS3文章点赞功能代码</title><style type="text/css">body{ margin:0; padding:0;}.text-content{ min-width:1180px; border-bottom: 1px solid #e7e7e7; border-top: 1px solid #e7e7e7; background: #f4f4f4;}.text-content h1{ text-align:center; font-size: 20px; padding-top: 50px; color: #EB4F38;}.text-content p{ padding: 10px 100px 40px 100px; clear: both; color: #333; display: block; font-family: "Microsoft Yahei","Helvetica Neue",Helvetica,Arial,sans-serif; font-size: 16px; line-height: 1.6; margin: 0 auto; outline: medium none; position: relative; width: 900px; word-wrap: break-word;}.praise{ width:40px; height:40px; margin: 50px auto; cursor: pointer; font-size: 12px; text-align:center; position: relative;}#praise{ display:block; width:40px; height:40px; margin:0 auto;}#praise-txt{ height:25px; line-height:25px; display: block;}.praise img{ width:40px; height:40px; display:block; margin: 0 auto;}.praise img.animation{ animation: myfirst 0.5s; -moz-animation: myfirst 0.5s;   -webkit-animation: myfirst 0.5s;   -o-animation: myfirst 0.5s;  }#add-num{ display:none;}#add-num .add-animation{ color: #000; position:absolute; top:-15px; left: 10px; font-size: 15px; opacity: 0; filter: Alpha(opacity=0); -moz-opacity:0; animation: mypraise 0.5s ; -moz-animation: mypraise 0.5s ;   -webkit-animation: mypraise 0.5s ;   -o-animation: mypraise 0.5s ;   font-style:normal;}.praise .hover , #add-num .add-animation.hover , #praise-txt.hover{ color: #EB4F38;}@keyframes myfirst{ 0%{  width:40px;  height:40px; } 50%{  width:50px;  height:50px; } 100% {  width:40px;  height:40px; }}@-moz-keyframes myfirst { 0%{  width:40px;  height:40px; } 50%{  width:50px;  height:50px; } 100% {  width:40px;  height:40px; }}@-webkit-keyframes myfirst { 0%{  width:40px;  height:40px; } 50%{  width:50px;  height:50px; } 100% {  width:40px;  height:40px; }}@-o-keyframes myfirst { 0%{  width:40px;  height:40px; } 50%{  width:50px;  height:50px; } 100% {  width:40px;  height:40px; }}@keyframes mypraise{ 0%{  top:-15px;  opacity: 0;  filter: Alpha(opacity=0);  -moz-opacity:0; } 25%{  top:-20px;  opacity: 0.5;  filter: Alpha(opacity=50);  -moz-opacity:0.5; } 50%{  top:-25px;  opacity: 1;  filter: Alpha(opacity=100);  -moz-opacity:1; } 75%{  top:-30px;  opacity: 0.5;  filter: Alpha(opacity=50);  -moz-opacity:0.5; } 100% {  top:-35px;  opacity: 0;  filter: Alpha(opacity=0);  -moz-opacity:0; }}@-moz-keyframes mypraise { 0%{  top:-15px;  opacity: 0;  filter: Alpha(opacity=0);  -moz-opacity:0; } 25%{  top:-20px;  opacity: 0.5;  filter: Alpha(opacity=50);  -moz-opacity:0.5; } 50%{  top:-25px;  opacity: 1;  filter: Alpha(opacity=100);  -moz-opacity:1; } 75%{  top:-30px;  opacity: 0.5;  filter: Alpha(opacity=50);  -moz-opacity:0.5; } 100% {  top:-35px;  opacity: 0;  filter: Alpha(opacity=0);  -moz-opacity:0; }}@-webkit-keyframes mypraise { 0%{  top:-15px;  opacity: 0;  filter: Alpha(opacity=0);  -moz-opacity:0; } 25%{  top:-20px;  opacity: 0.5;  filter: Alpha(opacity=50);  -moz-opacity:0.5; } 50%{  top:-25px;  opacity: 1;  filter: Alpha(opacity=100);  -moz-opacity:1; } 75%{  top:-30px;  opacity: 0.5;  filter: Alpha(opacity=50);  -moz-opacity:0.5; } 100% {  top:-35px;  opacity: 0;  filter: Alpha(opacity=0);  -moz-opacity:0; }}@-o-keyframes mypraise { 0%{  top:-15px;  opacity: 0;  filter: Alpha(opacity=0);  -moz-opacity:0; } 25%{  top:-20px;  opacity: 0.5;  filter: Alpha(opacity=50);  -moz-opacity:0.5; } 50%{  top:-25px;  opacity: 1;  filter: Alpha(opacity=100);  -moz-opacity:1; } 75%{  top:-30px;  opacity: 0.5;  filter: Alpha(opacity=50);  -moz-opacity:0.5; } 100% {  top:-35px;  opacity: 0;  filter: Alpha(opacity=0);  -moz-opacity:0; }}</style><script type="text/javascript" src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script></head><body><!--动态点赞开始--><div class="praise">  <span id="praise">    <img src="http://cdn.attach.qdfuns.com/notes/pics/201612/07/111158kzuumusztigszgsu.png" id="praise-img" />  </span>  <span id="praise-txt">145</span>  <span id="add-num"><em>+1</em></span></div><!--动态点赞结束--><script>  /* @author:Romey   * 动态点赞   * 此效果包含css3，部分浏览器不兼容（如：IE10以下的版本）  */  $(function(){    $("#praise").click(function(){      var praise_img = $("#praise-img");      var text_box = $("#add-num");      var praise_txt = $("#praise-txt");      var num=parseInt(praise_txt.text());      if(praise_img.attr("src") == ("http://cdn.attach.qdfuns.com/notes/pics/201612/07/111158g2kg4s2gk9hm4fd4.png")){        $(this).html("<img src='http://cdn.attach.qdfuns.com/notes/pics/201612/07/111158kzuumusztigszgsu.png' id='praise-img' class='animation' />");praise_txt.removeClass("hover");        text_box.show().html("<em class='add-animation'>-1</em>");        $(".add-animation").removeClass("hover");        num -=1;        praise_txt.text(num)      }else{        $(this).html("<img src='http://cdn.attach.qdfuns.com/notes/pics/201612/07/111158g2kg4s2gk9hm4fd4.png' id='praise-img' class='animation' />");        praise_txt.addClass("hover");        text_box.show().html("<em class='add-animation'>+1</em>");        $(".add-animation").addClass("hover");        num +=1;        praise_txt.text(num)      }    });  })</script></body></html>

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