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可任意拖拽边框的图层特效兼容所有浏览器

稿源：互联网 2022-04-02 21:40:51 点击： 2233 撤稿纠错

兼容所有浏览器完美拖拽层，拖动边框改变层的宽高

以下讨论的是和拖拽相关的可任意拖拽边框的图层特效兼容所有浏览器教程文章，内容是本站精心挑选整理的教程，希望对广大的网友给到帮助,下面是详细内容：

脚本代码(For Alixixi.com)如下:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>阿里西西网页特效演示兼容所有浏览器完美拖拽层</title>
<style>
*{margin:0;padding:0;}
#zhezhao{
 width:100%;
 height:100%;
 background:#f00;
 filter:alpha(opacity:0);
 opacity:0;
 z-index:9999;
 position:absolute;
 top:0;
 left:0;
 display:none;
}
#div2{
 width:200px;
 height:200px;
 position:relative;
 background:#EEEEEE;
 border:1px solid #f00;
}
#div1{
 width:15px;
 height:15px;
 background:#99CC00;
 position:absolute;
 right:0px;
 bottom:0px;
 cursor:nw-resize;
 overflow:hidden;
 font-size:12px;
 text-align:center;
 line-height:15px;
 color:#FFFFFF;
 float:right;
 z-index:3;
}
#right{
 width:15px;
 height:100%;
 background:#f00;
 float:right;
 position:absolute;
 right:0;
 top:0;
 cursor:e-resize;
 overflow:hidden;
 filter:alpha(opacity:0);
 opacity:0;
 z-index:1;
}
#bottom{
 width:100%;
 height:15px;
 background:#f00;
 position:absolute;
 left:0;
 bottom:0;
 cursor:n-resize;
 overflow:hidden;
 filter:alpha(opacity:0);
 opacity:0;
 z-index:1;
}
#div2 p{
 padding:10px;
 line-height:24px;
 font-size:13px;
 text-indent:24px;
 color:#996600;
}
#div2 h2{
 width:100%;
 height:25px;
 line-height:25px;
 font-size:14px;
 background:#CC9900;
 color:#FFFFFF;
 text-indent:15px;
 cursor:move;
 overflow:hidden;
}
</style>
<script type="text/javascript">
window.onload=function()
{
 var oDiv=document.getElementById("div1");
 var oDiv2=document.getElementById("div2");
 var zhezhao=document.getElementById("zhezhao");
 var h2=oDiv2.getElementsByTagName("h2")[0];
 var right=document.getElementById("right");
 var bottom=document.getElementById("bottom");
 var mouseStart={};
 var divStart={};
 var rightStart={};
 var bottomStart={};
 //往右拽
 right.onmousedown=function(ev)
 {
  var oEvent=ev||event;
  mouseStart.x=oEvent.clientX;
  mouseStart.y=oEvent.clientY;
  rightStart.x=right.offsetLeft;
  if(right.setCapture)
  {
   right.onmousemove=doDrag1;
   right.onmouseup=stopDrag1;
   right.setCapture();
  }
  else
  {
   document.addEventListener("mousemove",doDrag1,true);
   document.addEventListener("mouseup",stopDrag1,true);
  }
 };
 function doDrag1(ev)
 {
  var oEvent=ev||event;
  var l=oEvent.clientX-mouseStart.x+rightStart.x;
  var w=l+oDiv.offsetWidth;
  
  if(w<oDiv.offsetWidth)
  {
   w=oDiv.offsetWidth;
  }
  else if(w>document.documentElement.clientWidth-oDiv2.offsetLeft)
  {
   w=document.documentElement.clientWidth-oDiv2.offsetLeft-2;
  }
  oDiv2.style.width=w+"px";
 };
 function stopDrag1()
 {
  if(right.releaseCapture)
  {
   right.onmousemove=null;
   right.onmouseup=null;
   right.releaseCapture();
  }
  else
  {
   document.removeEventListener("mousemove",doDrag1,true);
   document.removeEventListener("mouseup",stopDrag1,true);
  }
 };
 //往下拽
 bottom.onmousedown=function(ev)
 {
  var oEvent=ev||event;
  mouseStart.x=oEvent.clientX;
  mouseStart.y=oEvent.clientY;
  bottomStart.y=bottom.offsetTop;
  if(bottom.setCapture)
  {
   bottom.onmousemove=doDrag2;
   bottom.onmouseup=stopDrag2;
   bottom.setCapture();
  }
  else
  {
   document.addEventListener("mousemove",doDrag2,true);
   document.addEventListener("mouseup",stopDrag2,true);
  }
 };
 function doDrag2(ev)
 {
  var oEvent=ev||event;
  var t=oEvent.clientY-mouseStart.y+bottomStart.y;
  var h=t+oDiv.offsetHeight;
  
  if(h<oDiv.offsetHeight)
  {
   h=oDiv.offsetHeight;
  }
  else if(h>document.documentElement.clientHeight-oDiv2.offsetTop)
  {
   h=document.documentElement.clientHeight-oDiv2.offsetTop-2;
  }
  
  oDiv2.style.height=h+"px";
 };
 function stopDrag2()
 {
  if(bottom.releaseCapture)
  {
   bottom.onmousemove=null;
   bottom.onmouseup=null;
   bottom.releaseCapture();
  }
  else
  {
   document.removeEventListener("mousemove",doDrag2,true);
   document.removeEventListener("mouseup",stopDrag2,true);
  }
 };
 //往左右同时拽
 oDiv.onmousedown=function(ev)
 {
  var oEvent=ev||event;
  mouseStart.x=oEvent.clientX;
  mouseStart.y=oEvent.clientY;
  divStart.x=oDiv.offsetLeft;
  divStart.y=oDiv.offsetTop;
  if(oDiv.setCapture)
  {
   oDiv.onmousemove=doDrag;
   oDiv.onmouseup=stopDrag;
   oDiv.setCapture();
  }
  else
  {
   document.addEventListener("mousemove",doDrag,true);
   document.addEventListener("mouseup",stopDrag,true);
  }
  zhezhao.style.display='block';
 };
 function doDrag(ev)
 {
  var oEvent=ev||event;
  var l=oEvent.clientX-mouseStart.x+divStart.x;
  var t=oEvent.clientY-mouseStart.y+divStart.y;
  
  
  var w=l+oDiv.offsetWidth;
  var h=t+oDiv.offsetHeight;
  
  if(w<oDiv.offsetWidth)
  {
   w=oDiv.offsetWidth;
  }
  else if(w>document.documentElement.clientWidth-oDiv2.offsetLeft)
  {
   w=document.documentElement.clientWidth-oDiv2.offsetLeft-2;
  }
  if(h<oDiv.offsetHeight)
  {
   h=oDiv.offsetHeight;
  }
  else if(h>document.documentElement.clientHeight-oDiv2.offsetTop)
  {
   h=document.documentElement.clientHeight-oDiv2.offsetTop-2;
  }
  
  oDiv2.style.width=w+"px";
  oDiv2.style.height=h+"px";
 };
 function stopDrag()
 {
  if(oDiv.releaseCapture)
  {
   oDiv.onmousemove=null;
   oDiv.onmouseup=null;
   oDiv.releaseCapture();
  }
  else
  {
   document.removeEventListener("mousemove",doDrag,true);
   document.removeEventListener("mouseup",stopDrag,true);
  }
  zhezhao.style.display='none';
 };
 
 //h2完美拖拽
 h2.onmousedown=function(ev)
 {
  var oEvent=ev||event;
  mouseStart.x=oEvent.clientX;
  mouseStart.y=oEvent.clientY;
  divStart.x=oDiv2.offsetLeft;
  divStart.y=oDiv2.offsetTop;
  
  if(h2.setCapture)
  {
   h2.onmousemove=doDrag3;
   h2.onmouseup=stopDrag3;
   h2.setCapture();
  }
  else
  {
   document.addEventListener("mousemove",doDrag3,true);
   document.addEventListener("mouseup",stopDrag3,true);
  }
  
  zhezhao.style.display='block';
 };
 function doDrag3(ev)
 {
  var oEvent=ev||event;
  var l=oEvent.clientX-mouseStart.x+divStart.x;
  var t=oEvent.clientY-mouseStart.y+divStart.y;
  if(l<0)
  {
   l=0;
  }
  else if(l>document.documentElement.clientWidth-oDiv2.offsetWidth)
  {
   l=document.documentElement.clientWidth-oDiv2.offsetWidth;
  }
  if(t<0)
  {
   t=0;
  }
  else if(t>document.documentElement.clientHeight-oDiv2.offsetHeight)
  {
   t=document.documentElement.clientHeight-oDiv2.offsetHeight;
  }
  oDiv2.style.left=l+"px";
  oDiv2.style.top=t+"px";
 };
 function stopDrag3()
 {
  if(h2.releaseCapture)
  {
   h2.onmousemove=null;
   h2.onmouseup=null;
   h2.releaseCapture();
  }
  else
  {
   document.removeEventListener("mousemove",doDrag3,true);
   document.removeEventListener("mouseup",stopDrag3,true);
  }
  
  zhezhao.style.display='none';
 }
};
</script>
</head>
<body>
<div id="div2">
 <div style="width:100%; height:100%; overflow:hidden;">
 <h2>完美拖拽</h2>
 <p>洗脸也能抽筋？？', '好冷啊', '一口气睇晒 《碟影重重》三部，头痛痛。一如既往地喜欢特务男，哈哈，有脑有身手', '我靠近你，不是因为你什么都好，不是因为你能给我一个安心而不错的未来，不是因为你是我的老公，不是因为我觉得我们肯定这一辈子会这样好好走下去，不是因为再找一段感情代价太大，而是因为，我爱你，我觉得看到你，就会心动。', '我承认我是个没有鼓励就没有动力的人，缺乏太多毅力。等过了这个冬天。也许我真的能把自己的心收拾干净。空出心里最重要的位置。给自己未来的新娘。剩下的空间，全是梦想，家庭和朋友。'</p>
 <div id="right"></div>
 <div id="div1">拖</div>
 <div id="bottom"></div>
 </div>
</div>
<div id="zhezhao"></div>
</body>
</html>

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