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jQuery realizes the function of dragging the separator bar left and right_jquery

WBOY
WBOYOriginal
2016-05-16 15:30:411625browse

The example in this article describes the implementation code of jQuery to realize the function of dragging the separator bar left and right. Share it with everyone for your reference. The details are as follows:
The screenshot of the running effect is as follows:

The specific content is as follows

<!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>

I hope this article will be helpful for everyone to learn about jquery separators.

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