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jQuery實(shí)現(xiàn)分隔條左右拖動(dòng)功能

 更新時(shí)間：2015年11月21日 15:40:24   作者：Jimmy Cheung11  
這篇文章主要介紹了jQuery實(shí)現(xiàn)分隔條左右拖動(dòng)功能，需要的朋友可以參考下

本文實(shí)例講述了jQuery實(shí)現(xiàn)分隔條左右拖動(dòng)功能的實(shí)現(xiàn)代碼。分享給大家供大家參考。具體如下：
運(yùn)行效果截圖如下：

具體內(nèi)容如下

<!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;     

     //兼容各種瀏覽器的,獲取鼠標(biāo)真實(shí)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
       };
     };
     //獲取一個(gè)DIV的絕對(duì)坐標(biāo)的功能函數(shù),即使是非絕對(duì)定位,一樣能獲取到
     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 };
     };

     //分隔條幽靈左右拖動(dòng)(mousemove)
     function sliderGhostMoving(e) {
       $("#divSG").css({ left: mousePosition(e).x - 2, display: "block" });
     };
     //完成分隔條左右拖動(dòng)(mouseup)
     function sliderHorizontalMove(e) {
       var lWidth = getElCoordinate($("#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>

希望本文所述對(duì)大家學(xué)習(xí)jquery分隔條有所幫助。

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