价格区间选择案例 吸附功能

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价格区间选择案例 吸附功能 待改…

<!DOCTYPE html>
<html>
<head>
    <title>test1</title>
    <script type="text/javascript" src="js/jquery-1.8.0.min.js"></script>
    <style type="text/css">
        *
            margin: 0;
            padding: 0;
        
        .scrollDiv
            width: 500px;
            overflow: hidden;
            margin: 50px auto;
        
        .scroll
            width: 400px;
            height: 60px;
            margin:20px auto;
            /*overflow: hidden;*/
        
        .scrollLine
            width: 400px;
            height: 4px;
            margin-top: 28px;
            background-color: #ddd;
            position: relative;
        
        .scrollCircle,.scrollbar
            width: 100%;
            height: 26px;
            position: absolute;
            left: 0;
            top: -10px;
        
        .scrollCircle span
            display: block;
            float: left;
            width: 26px;
            height: 26px;
            background-color: #ddd;
            border-radius: 100%;
            margin-left: -13px;
        
        .scrollCircle .item2
            position: absolute;
            left: 100px;
        
        .scrollCircle .item3
            position: absolute;
            left: 200px;
        
        .scrollCircle .item4
            position: absolute;
            left: 300px;
        
        .scrollCircle .item5
            position: absolute;
            left: 400px;
        
        .scrollCircle span:first-child
            /*margin-left: 0;*/
        
        .scrollCircle span:last-child
            /*margin-right: 0;*/
        
        .scrollCircle span a,.scrollbar span
            display: block;
            width: 20px;
            height: 20px;
            margin-top: 3px;
            margin-left: 3px;
            border-radius: 100%;
        
        .scrollbar .low
            position: absolute;
            left: -13px;
        
        .scrollCircle span a
            background-color: #fff;
        
        .scrollbar span
            display: inline-block;
            background-color: red;
        
        .scrollbar .high
            position: absolute;
            left: 187px;
        
    </style>
</head>
<body>

<div class="scrollDiv">
    <div class="scroll">
    <div class="scrollLine">
        <div class="scrollCircle">
            <span class="item1">
                <a></a>
            </span>
            <span class="item2">
                <a></a>
            </span>
            <span class="item3">
                <a></a>
            </span>
            <span class="item4">
                <a></a>
            </span>
            <span class="item5">
                <a></a>
            </span>
        </div>
        <div class="scrollbar">
            <span class="low"></span>
            <span class="high"></span>
        </div>
    </div>

</div>

</div>



</body>
<script type="text/javascript">

    $(function()
        var low = $(".low"),
            high = $(".high");
        var move = false,
            move1 = false,
            _x,_y,
            scrLeft = parseInt($(".scrollbar").offset().left);

        var x,x1 = 174;
        var w = $(".low").width(),//滚动条 宽
            itemW = $(".item1").width(),//背景 宽
            scW = $(".scrollCircle").width(),//总宽
            itemLen = $(".scrollCircle span").length,//锚点个数
            avgNum = (scW / (itemLen - 1))/2;//刻度值 用于控制刻度

        var maxPos = scW - itemW / 2,
            minPos = -(itemW / 2),
            avg = scW / itemLen;

        low.mousedown(function(e)
            move = true;
        );
        low.mousemove(function(e)
        );
        low.mouseup(function()
            move = false;
        );
        high.mousedown(function(e)
            move1 = true;
        );
        high.mouseup(function(e)
            move1 = false;
        );
        //window 移动
        $(document).mousemove(function(e)

            if(move)
                x = e.pageX - scrLeft;
                if(x > x1)
                    x = x1;
                
                $(".low").css("left": x);
            
            if(move1)
                x1 = e.pageX - scrLeft;
                if (x1 < x) 
                    x1 = x;
                

                $(".high").css("left": x1);
            
        );
        $(document).mouseup(function()
            //最小点
            if(move)
                var xs = avgTo(x);
                $(".low").css("left": xs);
                move = false;
            
            //最大点
            if (move1) 
                var xs1 = avgTo(x1);
                $(".high").css("left": xs1);
                move1 = false;
            

        );

        function avgTo(xs)

            if(xs <= avgNum || xs <= 0) xs = minPos;
            if(xs > avgNum && xs <= avgNum*3) xs = avgNum*2 -13;
            if(xs > avgNum*3 && xs <= avgNum*5) xs = avgNum*4 -13;
            if(xs > avgNum*5 && xs <= avgNum*7) xs = avgNum*6 -13;
            if(xs > avgNum*7) xs = maxPos;

            return xs;
        
    );

</script>
</html>

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