有关div页面拖动、缩放、关闭、遮罩效果代码

UntitledDocument
#rRightDown,#rLeftDown,#rLeftUp,#rRightUp,#rRight,#rLeft,#rUp,#rDown{
position:absolute;
background:#00F;
width:3px;
height:3px;
z-index:6;
font-size:0;
}

#rLeftDown,#rRightUp{cursor:ne-resize;}
#rRightDown,#rLeftUp{cursor:nw-resize;}
#rRight,#rLeft{cursor:e-resize;}
#rUp,#rDown{cursor:n-resize;}

#rLeftDown{left:-4px;bottom:-4px;}
#rRightUp{right:-4px;top:-4px;}
#rRightDown{right:-4px;bottom:-4px;background-color:#00F;}
#rLeftUp{left:-4px;top:-4px;}
#rRight{right:-4px;top:50%;margin-top:-4px;}
#rLeft{left:-4px;top:50%;margin-top:-4px;}
#rUp{top:-4px;left:50%;margin-left:-4px;}
#rDown{bottom:-4px;left:50%;margin-left:-4px;}
有关DIV 拖动、缩放、遮罩效果

';
str = str + '

';
str = str + '';
str = str + '

';//左下角div
str = str + '

';//右上角div
str = str + '

';//右下角div
str = str + '

';//左上角div
str = str + '

';//右边div
str = str + '

';//左边div
str = str + '

';//上边div
str = str + '

';//下边div

objDiv.innerHTML = str;

//添加边框样式
objDiv.style.border="solid #0033FF 3px;";
objDiv.style.borderTop = "2px solid #55A0FF";
objDiv.style.borderLeft = "2px solid #55A0FF";
objDiv.style.borderRight = "2px solid #55A0FF";
objDiv.style.borderBottom = "2px solid #55A0FF";

//create iframe
var frm=document.createElement("iframe");
frm.id="ifrm";
frm.name="ifrm";
frm.style.position="absolute";
frm.style.width="100%";
frm.style.height=180;
frm.style.top=20;
frm.style.display='';
frm.frameborder=0;
objDiv.appendChild(frm);

document.body.appendChild(newMask);
document.body.appendChild(objDiv);

//实现拖动效果
var objDrag=document.getElementById("drag");
var drag=false;
var dragX=0;
var dragY=0;

objDrag.attachEvent("onmousedown",startDrag);
function startDrag(){
if(event.button == 1 && event.srcElement.tagName.toUpperCase() == "DIV"){
objDrag.setCapture();
objDrag.style.cursor = "move";
objDrag.style.zIndex = "1001";

drag = true;
dragX = event.clientX;
dragY = event.clientY;

event.cancelBubble=true;
event.returnValue=false;
}
};

objDrag.attachEvent("onmousemove",Drag);
function Drag(){
if(drag){
var oldwin = objDrag.parentNode;
oldwin.style.left = oldwin.offsetLeft + event.clientX - dragX;
oldwin.style.top = oldwin.offsetTop + event.clientY - dragY;

dragX = event.clientX;
dragY = event.clientY;
}
};

objDrag.attachEvent("onmouseup",stopDrag);
function stopDrag(){
objDrag.style.zIndex = "4";
objDrag.style.cursor = "default";

objDrag.releaseCapture();
drag=false;
};

}
//关闭按钮样式
function handleOut(){
var objButton = document.getElementById("objClose");
objButton.style.backgroundColor = "#FF0000";
objButton.style.zIndex = "5";
}

function handleOver(){
var objButton = document.getElementById("objClose");
objButton.style.backgroundColor = "#FF8080";
objButton.style.zIndex = "1001";
}
//添加iframe内容
function htmlEditor(){
var frm=document.getElementById("ifrm");
var objDiv=document.getElementById("div1");
var mDiv=document.getElementById("mDiv");

mDiv.style.display='';
var iframeTextContent='';
iframeTextContent+=' ';
iframeTextContent+=' ';
iframeTextContent+=' ';
iframeTextContent+=' ';
iframeTextContent+=' ';
iframeTextContent+=' ';
iframeTextContent+='

';
iframeTextContent+='

';
iframeTextContent+='

';
iframeTextContent+='

';
iframeTextContent+='

';
iframeTextContent+='

';
iframeTextContent+='

';
iframeTextContent+='

';
iframeTextContent+='

';
iframeTextContent+='

';
iframeTextContent+='

';
iframeTextContent+='

';
iframeTextContent+='

Name
Email

';
iframeTextContent+=' ';
iframeTextContent+=' ';
frm.contentWindow.document.designMode='off';
frm.contentWindow.document.open();
frm.contentWindow.document.write(iframeTextContent);
frm.contentWindow.document.close();
objDiv.style.display = ""; //显示浮动的div

//点击go按钮关闭页面
var objGo=frm.contentWindow.document.getElementById("btGo");
objGo.attachEvent("onclick",function (){HideIframe(mDiv,objDiv);});
}

//关闭页面
function HideIframe(mDiv,objDiv){

mDiv.style.display='none';
objDiv.style.display = "none"; //隐藏浮动的div
}

//实现缩放效果
var down = 0;
function moveStart(obj){
var objDiv = obj.parentNode;
obj.setCapture();
obj.style.zIndex = "1001";
down = 1;

_styleWidth = objDiv.clientWidth;
_styleHeight = objDiv.clientHeight;
_styleLeft = objDiv.offsetLeft;
_styleTop = objDiv.offsetTop;

_sideLeft = event.clientX - _styleWidth;
_sideRight = event.clientX + _styleWidth;
_sideUp = event.clientY - _styleHeight;
_sideDown = event.clientY + _styleHeight;

_fixLeft = _styleWidth + _styleLeft;
_fixTop = _styleHeight + _styleTop;

event.cancelBubble = true;
event.returnValue = false;
}

function moving(obj,num){
if(down){
var objDiv = obj.parentNode;
var frm = document.getElementById("ifrm");
switch(num){
//左上角
case 0:
_styleWidth = Math.max(xx = _sideRight - event.clientX,0);
objDiv.style.width = _styleWidth;
objDiv.style.left = _fixLeft - _styleWidth;
_styleHeight = Math.max(yy = _sideDown - event.clientY,0);
objDiv.style.height = _styleHeight;
objDiv.style.top = _fixTop - _styleHeight;
try{
frm.style.width = (xx - 4) + "px";
frm.style.height = (yy - 24) + "px";
}catch(e){}
break;

//上边
case 1:
_styleHeight = Math.max(yy = _sideDown - event.clientY,0);
objDiv.style.height = _styleHeight;
objDiv.style.top = _fixTop - _styleHeight;
try{
frm.style.height = (yy - 24) + "px";
}catch(e){}
break;

//右上角
case 2:
_styleWidth = Math.max(xx = event.clientX - _sideLeft,0);
objDiv.style.width = _styleWidth;
_styleHeight = Math.max(yy = _sideDown - event.clientY,0);
objDiv.style.height = _styleHeight;
objDiv.style.top = _fixTop - _styleHeight;
try{
frm.style.width = (xx - 4) + "px";
frm.style.height = (yy - 24) + "px";
}catch(e){}
break;

//右边
case 3:
_styleWidth = Math.max(xx = event.clientX - _sideLeft,0);
objDiv.style.width = _styleWidth;
try{
frm.style.width = (xx - 4) + "px";
}catch(e){}
break;

//右下角
case 4:
_styleWidth = Math.max(xx = event.clientX - _sideLeft,0);
objDiv.style.width = _styleWidth;
_styleHeight = Math.max(yy = event.clientY - _sideUp,0);
objDiv.style.height = _styleHeight;
try{
frm.style.width = (xx - 4) + "px";
frm.style.height = (yy - 24) + "px";
}catch(e){}
break;

//下边
case 5:
_styleHeight = Math.max(yy = event.clientY - _sideUp,0);
objDiv.style.height = _styleHeight;
try{
frm.style.height = (yy - 24) + "px";
}catch(e){}
break;

//左下角
case 6:
_styleWidth = Math.max(xx = _sideRight - event.clientX,0);
objDiv.style.width = _styleWidth;
objDiv.style.left = _fixLeft - _styleWidth;
_styleHeight = Math.max(yy = event.clientY - _sideUp,0);
objDiv.style.height = _styleHeight;
try{
frm.style.width = (xx - 4) + "px";
frm.style.height = (yy - 24) + "px";
}catch(e){}
break;

//左边
case 7:
_styleWidth = Math.max(xx = _sideRight - event.clientX,0);
objDiv.style.width = _styleWidth;
objDiv.style.left = _fixLeft - _styleWidth;
try{
frm.style.width = (xx - 4) + "px";
}catch(e){}
break;
};
}
}

function moveEnd(obj){
down = 0;
obj.style.cursor = "default";
obj.style.zIndex = "6";
obj.releaseCapture();
};
// -->

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[Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]