可缩放的显示区-JS特效-爱易网页

可缩放的显示区

日期：2014-05-18　浏览次数：20642 次

欢迎光临爱易网网页脚本特效中心，点击运行按钮演示特效：

以下是程序代码

脚本说明:
把如下代码加入<body>区域中
<style> {
	box-sizing: border-box; moz-box-sizing: border-box
}
#testDiv     { background-color: buttonface; background-repeat: repeat; 
               background-attachment: scroll; color: #3969A5; height: 300px; 
               left: 30px; overflow: hidden; width: 500; z-index: 2; 
               border: 2px outset white; margin: 0px; padding: 2px; 
               background-position: 0% 50% }
body         { font-family: Verdana; font-size: 9pt }
#innerNice   { background-color: white; background-repeat: repeat; background-attachment: 
               scroll; color: #3969A5; height: 100%; overflow: auto; width: 
               100%; border: 2px inset white; padding: 8px; 
               background-position: 0% 50% }
</style>
<div class="resizeMe" id="testDiv">
  <div id="innerNice">
    <p align="center">

<p align="center">
请在边框处拖动鼠标

</div>
</div>
<SCRIPT language=javascript>
/////////////////////////////////////////////////////////////////////////
// Generic Resize by Erik Arvidsson                                    //
//                                                                     //
// You may use this script as long as this disclaimer is remained.     //
// See www.dtek.chalmers.se/~d96erik/dhtml/ for mor info               //
//                                                                     //
// How to use this script!                                             //
// Link the script in the HEAD and create a container (DIV, preferable //
// absolute positioned) and add the class="resizeMe" to it.            //
/////////////////////////////////////////////////////////////////////////

var theobject = null; //This gets a value as soon as a resize start

function resizeObject() {
	this.el        = null; //pointer to the object
	this.dir    = "";      //type of current resize (n, s, e, w, ne, nw, se, sw)
	this.grabx = null;     //Some useful values
	this.graby = null;
	this.width = null;
	this.height = null;
	this.left = null;
	this.top = null;
}

//Find out what kind of resize! Return a string inlcluding the directions
function getDirection(el) {
	var xPos, yPos, offset, dir;
	dir = "";

xPos = window.event.offsetX;
	yPos = window.event.offsetY;

offset = 8; //The distance from the edge in pixels

if (yPos<offset) dir += "n";
	else if (yPos > el.offsetHeight-offset) dir += "s";
	if (xPos<offset) dir += "w";
	else if (xPos > el.offsetWidth-offset) dir += "e";

return dir;
}

function doDown() {
	var el = getReal(event.srcElement, "className", "resizeMe");

if (el == null) {
		theobject = null;
		return;
	}

dir = getDirection(el);
	if (dir == "") return;

theobject = new resizeObject();
		
	theobject.el = el;
	theobject.dir = dir;

theobject.grabx = window.event.clientX;
	theobject.graby = window.event.clientY;
	theobject.width = el.offsetWidth;
	theobject.height = el.offsetHeight;
	theobject.left = el.offsetLeft;
	theobject.top = el.offsetTop;

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

function doUp() {
	if (theobject != null) {
		theobject = null;
	}
}

function doMove() {
	var el, xPos, yPos, str, xMin, yMin;
	xMin = 8; //The smallest width possible
	yMin = 8; //             height

el = getReal(event.srcElement, "className", "resizeMe");

if (el.className == "resizeMe") {
		str = getDirection(el);
	//Fix the cursor	
		if (str == "") str = "default";
		else str += "-resize";
		el.style.cursor = str;
	}
	
//Dragging starts here
	if(theobject != null) {
		if (dir.indexOf("e") != -1)
			theobject.el.style.width = Math.max(xMin, theobject.width + window.event.clientX - theob</div></div>

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