jQuery和CSS3实现点赞功能
程序员文章站
2022-03-16 08:34:25
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本篇文章主要介绍了jQuery+CSS3实现点赞功能的示例代码。具有很好的参考价值。下面一起来看下吧
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-->
<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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