jQuery - 左右拖动分隔条 | 左右拖动分隔条

1、实现效果：
jQuery - 左右拖动分隔条-LMLPHP
2、代码：
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<html>

 <head>

    <title> New Document </title>

    <script type="text/javascript" src="jquery.min.js"></script>

    <style type="text/css">

        html, body, div {

            margin: 0;

            padding: 0;

            border: 0;

            -moz-user-select: none;

            -webkit-user-select: none;

        }

        .gf_s {

            float: left;

            width: 4px;

            cursor: e-resize;

            background-color: #fff;

            border: #99BBE8 1px solid;

        }

        .gf_s_g {

            float: left;

            width: 4px;

            display: none;

            cursor: e-resize;

            position: absolute;

            background-color: #F0F0F0;

            border: #99BBE8 1px solid;

            filter: alpha(opacity=60);

            -moz-opacity: 0.6;

            -khtml-opacity: 0.6;

            opacity: 0.6;

            z-index: 1000;

        }

    </style>

 </head>

 <body>

     <div id="divP" style="width:100%; height:100%;">

         <div id="divLeft" style="background-color: green; float: left; "></div>

         <div id="divS" class="gf_s" style="float: left;"></div>

         <div id="divSG" class="gf_s_g" style="float: left;"></div>

         <div id="divRight" style="background-color: blue; float: left;"></div>

     </div>

     <script type="text/javascript">

         var $sliderMoving = false;

         //兼容各种浏览器的,获取鼠标真实位置

         function mousePosition(ev) {

             if (!ev) ev = window.event;

             if (ev.pageX || ev.pageY) {

                 return { x: ev.pageX, y: ev.pageY };

             }

             return {

                 x: ev.clientX + document.documentElement.scrollLeft - document.body.clientLeft,

                 y: ev.clientY + document.documentElement.scrollTop - document.body.clientTop

             };

         };

         //获取一个DIV的绝对坐标的功能函数,即使是非绝对定位,一样能获取到

         function getElCoordinate(dom) {

             var t = dom.offsetTop;

             var l = dom.offsetLeft;

             dom = dom.offsetParent;

             while (dom) {

                 t += dom.offsetTop;

                 l += dom.offsetLeft;

                 dom = dom.offsetParent;

             };

             return { top: t, left: l };

         };

         //分隔条幽灵左右拖动(mousemove)

         function sliderGhostMoving(e) {

             $("#divSG").css({ left: mousePosition(e).x - 2, display: "block" });

         };

         //完成分隔条左右拖动(mouseup)

         function sliderHorizontalMove(e) {

             var lWidth = getElCoordinate($("#divSG")[0]).left - 2;

             var rWidth = $(window).width() - lWidth - 6;

             $("#divLeft").css("width", lWidth + "px");

             $("#divRight").css("width", rWidth + "px");

             $("#divSG").css("display", "none");

         };

         function reinitSize() {

             var width = $(window).width() - 6;

             var height = $(window).height();

             $("#divLeft").css({ height: height + "px", width: width * 0.75 + "px" });

             $("#divS").css({ height: height - 2 + "px", width: "4px" });

             $("#divSG").css({ height: height - 2 + "px", width: "4px" });

             $("#divRight").css({ height: height + "px", width: width * 0.25 + "px" });

         }

         $(document).ready(function () {

             reinitSize();

             $("#divS").on("mousedown", function (e) {

                 $sliderMoving = true;

                 $("divP").css("cursor", "e-resize");

             });

             $("#divP").on("mousemove", function (e) {

                 if ($sliderMoving) {

                     sliderGhostMoving(e);

                 }

             });

             $("#divP").on("mouseup", function (e) {

                 if ($sliderMoving) {

                     $sliderMoving = false;

                     sliderHorizontalMove(e);

                     $("#divP").css("cursor", "default");

                 }

             });

         });

         $(window).resize(function () {

             reinitSize();

         });

     </script>

 </body>

</html>
3、Demo：jQuery-左右拖动分隔条.rar