js---PC端滑动进度条

这个是PC端的滑动进度条效果：

<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style type="text/css">
.progress{position: relative; width:300px;margin:100px auto;}
.progress_bg{height: 10px; border: 1px solid #ddd; border-radius: 5px; overflow: hidden;background-color:#f2f2f2;}
.progress_bar{background: #5FB878; width: 0; height: 10px; border-radius: 5px;}
.progress_btn{width: 20px; height: 20px; border-radius: 5px; position: absolute;background:#fff; 
left: 0px; margin-left: -10px; top:-5px; cursor: pointer;border:1px #ddd solid;box-sizing:border-box;}
.progress_btn:hover{border-color:#F7B824;}
</style>
</head>
<body>
    <div class="progress">
        <div class="progress_bg">
            <div class="progress_bar"></div>
        </div>
        <div class="progress_btn"></div>
        <div class="text">0%</div>
    </div>
    <script type="text/javascript" src="./js/jquery-1.8.3.min.js"></script>
    <script type="text/javascript">
    $(function(){
    var tag = false,ox = 0,left = 0,bgleft = 0;
    $('.progress_btn').mousedown(function(e) {
        ox = e.pageX - left;
        tag = true;
    });
    $(document).mouseup(function() {
        tag = false;
    });
    $('.progress').mousemove(function(e) {//鼠标移动
        if (tag) {
            left = e.pageX - ox;
            if (left <= 0) {
                left = 0;
            }else if (left > 300) {
                left = 300;
            }
            $('.progress_btn').css('left', left);
            $('.progress_bar').width(left);
            $('.text').html(parseInt((left/300)*100) + '%');
        }
    });
    $('.progress_bg').click(function(e) {//鼠标点击
        if (!tag) {
            bgleft = $('.progress_bg').offset().left;
            left = e.pageX - bgleft;
            if (left <= 0) {
                left = 0;
            }else if (left > 300) {
                left = 300;
            }
            $('.progress_btn').css('left', left);
            $('.progress_bar').animate({width:left},300);
            $('.text').html(parseInt((left/300)*100) + '%');
        }
    });
});</script>
</body>
</html>

 

posted @ 2019-01-28 01:36  帅到要去报警  阅读(448)  评论(0)  编辑  收藏  举报