iscroll 4.0 滚动（水平和垂直）

1、概述

iscroll 专注于页面滚动js。Iscroll滚动做的挺好,特别是针对手机网页（android、iphone）正好弥补手动滑屏的遗缺，而今研究一番，把代码贴出来，供大家参考。

2、iscroll使用说明

　　初始化iScroll

 wrapperhour//标识要滚动的div对应ID

 iScroll myhourScroll = new iScroll('wrapperhour', {

        snap: 'li',//一次滚动单位li

        momentum: false,

        hScrollbar: false,//水平滚动条是否显示，true显示，false隐藏

        vScrollbar: false,//垂直滚动条是否显示，true显示，false隐藏

        onScrollEnd: //滚动停止回调函数

        function () 
          {

            //处理自己的逻辑代码

            if (!hourisfirst)

            {

                var ChangeTemplet = (this.currPageY);//currPageY垂直当前坐标或者叫单元数

                if (ChangeTemplet > )

                    ChangeTemplet =

                $("#btnhour").val(ChangeTemplet);

                $("#lbhour").text(ChangeTemplet);

                var currobject = $("#hourlist").children()[ChangeTemplet + ];

                $(currobject).attr("class", "timeselectncl");

                $(currobject).siblings().each(function () { $(this).attr("class", "timeunselectclass"); });

            }

            else {

                hourisfirst = false;

            }

        }

    });

//初始化调用iscroll代码
document.addEventListener('touchmove', function (e) { e.preventDefault(); }, false);

document.addEventListener('DOMContentLoaded', loaded, false);

//滚动到当前初始化的值

myhourScroll.scrollToElement("li:nth-child(" + hour + ")", 300);

3、水平滚动

主要分析css，利用到的关键是css position这个属性，可以参考查看potioin设置

<!doctype html>

<html>

<head>

<meta charset="utf-8">

<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=0, minimum-scale=1.0, maximum-scale=1.0">

<title>家庭成员</title>

<style type="text/css">

    .mfpiccontext2{position: absolute;z-index: ;width:%;top:.2em; padding:15px 0px; text-align:center;}

    .mfpiccontext2 ul {width: 40em;overflow: hidden;float: left;}

    .mfpiccontext2 li{ float:left; width:5em; text-align:center;}

    .mfpiccontext2 li img{ width:%; border:1px solid #f78320; border-radius:38px;}

</style>

    <script src="jscript/jquery-1.11.2.min.js"></script>

    <script src="jscript/iscroll.js"></script>

    <script type="text/javascript">

        var myScroll;

        function loaded() {

            myScroll = new iScroll('wrapper');

        }

        document.addEventListener('touchmove', function (e) { e.preventDefault(); }, false);

        document.addEventListener('DOMContentLoaded', loaded, false);

</script>

</head>

<body>

    <div class="picadddivtitle">滑动选择头像</div>

    <div class="mfacontentdiv">

        <div class=" mfpiccontext2" id="wrapper">

            <ul>

                <li><img src="data:images/ompic.png"/></li>

                <li><img src="data:images/ompic.png"/></li>

                <li><img src="data:images/ompic.png"/></li>

                <li><img src="data:images/ompic.png"/></li>

                <li><img src="data:images/ompic.png"/></li>

                <li><img src="data:images/ompic.png"/></li>

                <li><img src="data:images/ompic.png"/></li>

                <li><img src="data:images/ompic.png"/></li>

            </ul>

        </div>

    </div>

</body>

</html>

4、垂直滚动

.wrapper {

  position: absolute;

  top: 14em;

  height: 6em;

  left: ;

  right: ;

  overflow-y: scroll;

  overflow-x: hidden;

  z-index: ;}

  .ultime li {

  text-align: center;

  font-size: 1em;

  height: 2em;

  display: block;

  line-height: .0em;

  width: 4em;}

<div class="wrapper">

    <div class="timesetdiv" id="wrapperhour" style="overflow: hidden;">

        <ul id="hourlist" class="ultime ultimeright ">

            <li></li>

            <li class="timeunselectclass"></li>

            <li class="timeunselectclass"></li>

            <li class="timeunselectclass"></li>

            <li class="timeunselectclass"></li>

            <li class="timeunselectclass"></li>

            <li class="timeunselectclass"></li>

            <li class="timeunselectclass"></li>

            <li class="timeunselectclass"></li>

            <li class="timeunselectclass"></li>

            <li class="timeunselectclass"></li>

            <li class="timeselectncl"></li>

            <li class="timeunselectclass"></li>

            <li class="timeunselectclass"></li>

        </ul>

    </div>

<div

//初始化小时、分钟滚动条

$loadHourMinuteData = function (hour, minute) {

    hour = hour + ;

    minute = minute + ;

    myhourScroll = new iScroll('wrapperhour', {

        snap: 'li',

        momentum: false,

        hScrollbar: false,

        vScrollbar: true,

        onScrollEnd: function () {

            if (!hourisfirst)

            {

                var ChangeTemplet = (this.currPageY);

                if (ChangeTemplet > )

                    ChangeTemplet =

                $("#btnhour").val(ChangeTemplet);

                $("#lbhour").text(ChangeTemplet);

                var currobject = $("#hourlist").children()[ChangeTemplet + ];

                $(currobject).attr("class", "timeselectncl");

                $(currobject).siblings().each(function () { $(this).attr("class", "timeunselectclass"); });

            }

            else {

                hourisfirst = false;

            }

        }

    });

    myminuteScroll = new iScroll('wrapperminute', {

        snap: 'li',

        momentum: false,

        hScrollbar: false,

        vScrollbar: false,

        onScrollEnd: function () {

            if (!minuteisfirst) {

                var ChangeTemplet = (this.currPageY);

                if (ChangeTemplet > )

                    ChangeTemplet =

                $("#btnmiute").val(ChangeTemplet);

                $("#lbminute").text(ChangeTemplet)

                var currobject = $("#minutelist").children()[ChangeTemplet + ];

                //console.log(currobject);

                $(currobject).attr("class", "timeselectncl");

                $(currobject).siblings().each(function () { $(this).attr("class", "timeunselectclass"); });

            }

            else {

                minuteisfirst = false;

            }

        }

    });

    myhourScroll.scrollToElement("li:nth-child(" + hour + ")", );

    myminuteScroll.scrollToElement("li:nth-child(" + minute + ")", );

}

代码分析，灵活运用

秒客网

iscroll 4.0 滚动（水平和垂直）

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