点赞效果，精灵图制作，很炫的哦

效果GIF：

<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <title>点赞</title>
        <script src="../demo/jquery-2.1.1.min.js"></script>
        <style>
        .heart {
            background: url(./web_heart_animation.png);
            background-position: left;
            background-repeat: no-repeat;
            height: 100px;
            width: 100px;
            cursor: pointer;
            position: absolute;
            left: 8px;
            background-size: 2886%;
        }
        
        .heart:hover,
        .heart:focus {
            background-position: right;
        }
        
        @-webkit-keyframes heartBlast {
            0% {
                background-position: left;
            }
            100% {
                background-position: right;
            }
        }
        
        @keyframes heartBlast {
            0% {
                background-position: left;
            }
            100% {
                background-position: right;
            }
        }
        
        .heartAnimation {
            display: inline-block;
            -webkit-animation-name: heartBlast;
            animation-name: heartBlast;
            -webkit-animation-duration: .8s;
            animation-duration: .8s;
            -webkit-animation-iteration-count: 1;
            animation-iteration-count: 1;
            -webkit-animation-timing-function: steps(28);
            animation-timing-function: steps(28);
            background-position: right;
        }
        
        .feed p {
            font-family: "Microsoft YaHei", 'Georgia', Times, Times New Roman, serif;
            font-size: 25px;
        }
        
        .feed {
            clear: both;
            margin-bottom: :20px;
            height: 150px;
            position: relative;
        }
        
        a {
            color: #7ac9ed;
        }
        
        p {
            margin: 0px;
            padding: 0px;
        }
        
        .likeCount {
            font-family: 'Georgia', Times, Times New Roman, serif;
            margin-top: 32px;
            margin-left: 68px;
            font-size: 25px;
            color: #999999;
            padding-top: 31px;
        }
        </style>
    </head>
    <body>
        <div class="heart" id="like1" rel="like"></div>
        <div class="likeCount" id="likeCount1">14</div>
    <script>        
    $(document).ready(function() {
    $('body').on("click", '.heart', function() {
        var A = $(this).attr("id");
        var B = A.split("like");
        var messageID = B[1];
        var C = parseInt($("#likeCount" + messageID).html());
        $(this).css("background-position", "")
        var D = $(this).attr("rel");

        if(D === 'like') {
            $("#likeCount" + messageID).html(C + 1);
            $(this).addClass("heartAnimation").attr("rel", "unlike");
        } else {
            $("#likeCount" + messageID).html(C - 1);
            $(this).removeClass("heartAnimation").attr("rel", "like");
            $(this).css("background-position", "left");
        }
    });
});
    </script>
        
    </body>
</html>

参考网站：http://demo.lanrenzhijia.com

 

posted @ 2020-04-27 10:40  小白呀白菜  阅读(318)  评论(0)  编辑  收藏  举报