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This article mainly introduces the sample code of jQuery CSS3 to implement the like function. Has very good reference value. Let’s take a look at it together
Rendering:
Picture (1) Initial picture
Picture (2) After clicking, the
code is as follows:
<!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--> <p 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> </p> <!--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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