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例子一：文字伸缩
<!DOCTYPE html>
<html> <head> <meta http-equiv="content" content="text/html charset=gb2312"> <title>slide文字框缩放伸展效果</title> <style type="text/css"> *{margin:0; padding:0;} ul{list-style:none;} .box{width:300px; margin:10px; border:1px solid #ccc; overflow:hidden; position:relative; font-size:12px;} .oHx{height:30px; background:#eee; line-height:30px; font-size:14px; text-indent:14px; cursor:pointer;} .fold{position:absolute; top:9px; right:12px;} .box_content{line-height:18px; overflow:hidden; display:none;} </style> <script type="text/javascript"> function getElementsByClassName(className,id,tag){ tag = tag || "*"; if(id){ var id = typeof id == "string" ? $(id) : id; }else{ var id = document.body; } var els = id.getElementsByTagName(tag),arr = []; for(var i=0,n=els.length;i<n;i++){ for(var j=0,k=els[i].className.split(" "),l=k.length;j<l;j++){ if(k[j]==className){ arr.push(els[i]); break; } } } return arr; }; function Slide(slideClass,slideBtn,slideCon,slideSpeed) { this.oSlides = getElementsByClassName(slideClass); this.oTimer = null; this.slideBtn = slideBtn; this.slideCon = slideCon; this.slideSpeed = slideSpeed; } Slide.prototype = { oTimer:null, _init:function (){ this._slideEvent(); }, _slideEvent:function (){ var This = this; for(var i = 0,n=This.oSlides.length;i<n;i++){ (function(n){ var oSlide = This.oSlides[n]; var oSlideBtn = getElementsByClassName(This.slideBtn,oSlide)[0]; var oSlideCon = getElementsByClassName(This.slideCon,oSlide)[0]; oSlideBtn.onclick = function (){ if(oSlideCon.style.display == "block" && This.oTimer == null){ This._slideClose(oSlideCon); }else if(!(oSlideCon.style.display == "block" ) && This.oTimer == null){ This._slideOpen(oSlideCon); } } })(i) } }, _slideOpen:function (slideCon){ var This = this; slideCon.style.display = "block"; slideCon.style.height = "auto"; var slideHeight = slideCon.offsetHeight; slideCon.style.height = 0 + "px"; This.oTimer = setInterval(function (){ if(slideCon.offsetHeight < slideHeight){ slideCon.style.height = slideCon.offsetHeight + 2 + "px"; }else{ clearInterval(This.oTimer); This.oTimer = null; } },This.slideSpeed); }, _slideClose:function (slideCon){ var This = this; This.oTimer = setInterval(function (){ if(slideCon.offsetHeight <= 0){ clearInterval(This.oTimer); slideCon.style.display = "none"; This.oTimer = null; }else{ slideCon.style.height =slideCon.offsetHeight - 2 + "px"; } },This.slideSpeed); } } </script> </head> <body> <div class="box"> <div class="oHx slide">收缩2</div> <div class="box_content"> <ul class="uft" style="padding:10px;"> <li><a href="/soft/11215.shtml" target="_blank">scscms V1.0 阳光企业网站系统</a></li><li><a href="/soft/9686.shtml" target="_blank">24点，VC++游戏源码</a></li><li><a href="/soft/11002.shtml" target="_blank">可记录图像的C#数据库记录单程序</a></li><li><a href="/soft/11134.shtml" target="_blank">jQuery 1.4 参考指南的实例源代码</a></li> </ul> </div> </div> <div class="box"> <div class="oHx slide">收缩3</div> <div class="box_content"> <ul class="uft"style="padding:10px;"> <li><a href="/soft/11215.shtml" target="_blank">scscms V1.0 阳光企业网站系统</a></li><li><a href="/soft/9686.shtml" target="_blank">24点，VC++游戏源码</a></li><li><a href="/soft/11002.shtml" target="_blank">可记录图像的C#数据库记录单程序</a></li><li><a href="/soft/11134.shtml" target="_blank">jQuery 1.4 参考指南的实例源代码</a></li> </ul> </div> </div> <script type="text/javascript"> var mySlide = new Slide("box","slide","box_content",10); mySlide._slideEvent(); </script> </body> </html> 例子二、
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www./TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www./1999/xhtml" > <head> <title>据说是Google首页的网页模块拖动代码</title> <script type="text/javascript"> var Common = { getEvent: function() {//ie/ff if (document.all) { return window.event; } func = getEvent.caller; while (func != null) { var arg0 = func.arguments[0]; if (arg0) { if ((arg0.constructor == Event || arg0.constructor == MouseEvent) || (typeof (arg0) == "object" && arg0.preventDefault && arg0.stopPropagation)) { return arg0; } } func = func.caller; } return null; }, getMousePos: function(ev) { if (!ev) { ev = this.getEvent(); } if (ev.pageX || ev.pageY) { return { x: ev.pageX, y: ev.pageY }; } if (document.documentElement && document.documentElement.scrollTop) {
return { x: ev.clientX + document.documentElement.scrollLeft - document.documentElement.clientLeft, y: ev.clientY + document.documentElement.scrollTop - document.documentElement.clientTop }; } else if (document.body) { return { x: ev.clientX + document.body.scrollLeft - document.body.clientLeft, y: ev.clientY + document.body.scrollTop - document.body.clientTop }; } }, getElementPos: function(el) { el = this.getItself(el); var _x = 0, _y = 0; do { _x += el.offsetLeft; _y += el.offsetTop; } while (el = el.offsetParent); return { x: _x, y: _y }; }, getItself: function(id) { return "string" == typeof id ? document.getElementById(id) : id; }, getViewportSize: { w: (window.innerWidth) ? window.innerWidth : (document.documentElement && document.documentElement.clientWidth) ? document.documentElement.clientWidth : (document.body?document.body.offsetWidth:0), h: (window.innerHeight) ? window.innerHeight : (document.documentElement && document.documentElement.clientHeight) ? document.documentElement.clientHeight : (document.body ? document.body.offsetHeight : 0) }, isIE: document.all ? true : false, setOuterHtml: function(obj, html) { var Objrange = document.createRange(); obj.innerHTML = html; Objrange.selectNodeContents(obj); var frag = Objrange.extractContents(); obj.parentNode.insertBefore(frag, obj); obj.parentNode.removeChild(obj); }, firstChild: function(parentObj, tagName) { if (Common.isIE) { return parentObj.firstChild; } else { var arr = parentObj.getElementsByTagName(tagName); return arr[0]; } }, lastChild: function(parentObj, tagName) { if (Common.isIE) { return parentObj.lastChild; } else { var arr = parentObj.getElementsByTagName(tagName); return arr[arr.length - 1]; } }, setCookie: function(name, value) { document.cookie = name + "=" + value; }, getCookie: function(name) { var strCookie = document.cookie; var arrCookie = strCookie.split("; "); for (var i = 0; i < arrCookie.length; i++) { var arr = arrCookie[i].split("="); if (!arr[1]) { return ""; } if (arr[0] == name) { return arr[1]; } } return ""; }, delCookie: function(name) { var exp = new Date(); exp.setTime(exp.getTime() - 1); var cval = this.getCookie(name); if (cval != null) document.cookie = name + "=" + cval + ";expires=" + exp.toGMTString(); } } ///------------------------------------------------------------------------------------------------------ var Class = { create: function() { return function() { this.init.apply(this, arguments); } } } var Drag = Class.create(); Drag.prototype = { init: function(titleBar, dragDiv, Options) { //设置点击是否透明，默认透明60% titleBar = Common.getItself(titleBar); dragDiv = Common.getItself(dragDiv); this.dragArea = { maxLeft: -9999, maxRight: 9999, maxTop: -9999, maxBottom: 9999 }; if (Options) { this.opacity = Options.opacity ? (isNaN(parseInt(Options.opacity)) ? 100 : parseInt(Options.opacity)) : 100; if (Options.area) { if (Options.area.left && !isNaN(parseInt(Options.area.left))) { this.dragArea.maxLeft = Options.area.left }; if (Options.area.right && !isNaN(parseInt(Options.area.right))) { this.dragArea.maxRight = Options.area.right }; if (Options.area.top && !isNaN(parseInt(Options.area.top))) { this.dragArea.maxTop = Options.area.top }; if (Options.area.bottom && !isNaN(parseInt(Options.area.bottom))) { this.dragArea.maxBottom = Options.area.bottom }; } } else { this.opacity = 60; } this.originDragDiv = null; this.tmpX = 0; this.tmpY = 0; this.moveable = false; this.dragArray = []; var dragObj = this;
var dragTbl = document.getElementById("dragTable"); titleBar.onmousedown = function(e) {
var ev = e || window.event || Common.getEvent(); //只允许通过鼠标左键进行拖拽,IE鼠标左键为1 FireFox为0 if (Common.isIE && ev.button == 1 || !Common.isIE && ev.button == 0) { } else { return false; } //处理特殊情况：在最上/下面MOVE时不碰到现有DIV的情况下，又回到起始拖拽的列最上/下方 var tmpColId; for (c = 0; c < dragTbl.rows[0].cells.length; c++) { for (k = 0; k < dragTbl.rows[0].cells[c].getElementsByTagName("DIV").length; k++) { if (dragDiv.id == dragTbl.rows[0].cells[c].getElementsByTagName("DIV")[k].id) { tmpColId = c; break; } } } var tmpPosFirstChild = Common.getElementPos(Common.firstChild(dragTbl.rows[0].cells[tmpColId], "DIV")); var tmpPosLastChild = Common.getElementPos(Common.lastChild(dragTbl.rows[0].cells[tmpColId], "DIV")); var tmpObj = { colId: tmpColId, firstChildUp: tmpPosFirstChild.y, lastChildDown: tmpPosLastChild.y + Common.lastChild(dragTbl.rows[0].cells[tmpColId], "DIV").offsetHeight }; //保存当前可拖拽各容器的所在位置
dragObj.dragArray = dragObj.RegDragsPos(); //插入虚线框
var dashedElement = document.createElement("div"); dashedElement.style.cssText = dragDiv.style.cssText; dashedElement.style.border = " dashed 2px #aaa "; dashedElement.style.marginBottom = "6px"; dashedElement.style.width = dragDiv.offsetWidth - 2 * parseInt(dashedElement.style.borderWidth) + "px"; //减去boderWidth使虚线框大小保持与dragDiv一致 dashedElement.style.height = dragDiv.offsetHeight - 2 * parseInt(dashedElement.style.borderWidth) + "px"; //加上px 保证FF正确 dashedElement.style.position = "relative"; if (dragDiv.nextSibling) { dragDiv.parentNode.insertBefore(dashedElement, dragDiv.nextSibling); } else { dragDiv.parentNode.appendChild(dashedElement); } //拖动时变为absolute dragDiv.style.width = dragDiv.offsetWidth + "px"; dragDiv.style.position = "absolute"; dragObj.moveable = true; dragDiv.style.zIndex = dragObj.GetZindex() + 1; var downPos = Common.getMousePos(ev);
dragObj.tmpX = downPos.x - dragDiv.offsetLeft; dragObj.tmpY = downPos.y - dragDiv.offsetTop; if (Common.isIE) {
dragDiv.setCapture(); } else { window.captureEvents(Event.mousemove); } dragObj.SetOpacity(dragDiv, dragObj.opacity);
//FireFox 去除容器内拖拽图片问题
if (ev.preventDefault) { ev.preventDefault(); ev.stopPropagation(); } document.onmousemove = function(e) {
if (dragObj.moveable) { var ev = e || window.event || Common.getEvent(); //IE 去除容器内拖拽图片问题 if (document.all) //IE { ev.returnValue = false; } var movePos = Common.getMousePos(ev);
dragDiv.style.left = Math.max(Math.min(movePos.x - dragObj.tmpX, dragObj.dragArea.maxRight), dragObj.dragArea.maxLeft) + "px"; dragDiv.style.top = Math.max(Math.min(movePos.y - dragObj.tmpY, dragObj.dragArea.maxBottom), dragObj.dragArea.maxTop) + "px"; var targetDiv = null;
for (var k = 0; k < dragObj.dragArray.length; k++) { if (dragDiv == dragObj.dragArray[i]) { continue; } if (movePos.x > dragObj.dragArray[k].PosLeft && movePos.x < dragObj.dragArray[k].PosLeft + dragObj.dragArray[k].PosWidth
&& movePos.y > dragObj.dragArray[k].PosTop && movePos.y < dragObj.dragArray[k].PosTop + dragObj.dragArray[k].PosHeight ) { targetDiv = document.getElementById(dragObj.dragArray[k].DragId); if (movePos.y < dragObj.dragArray[k].PosTop + dragObj.dragArray[k].PosHeight / 2) { //往上移 dashedElement.style.width = targetDiv.offsetWidth - 2 * parseInt(dashedElement.style.borderWidth) + "px"; targetDiv.parentNode.insertBefore(dashedElement, targetDiv); } else { //往下移 dashedElement.style.width = targetDiv.offsetWidth - 2 * parseInt(dashedElement.style.borderWidth) + "px"; if (targetDiv.nextSibling) { targetDiv.parentNode.insertBefore(dashedElement, targetDiv.nextSibling); } else { targetDiv.parentNode.appendChild(dashedElement); } } } } for (j = 0; j < dragTbl.rows[0].cells.length; j++) { var startLeft = Common.getElementPos(dragTbl.rows[0].cells[j]).x; if (movePos.x > startLeft && movePos.x < startLeft + dragTbl.rows[0].cells[j].offsetWidth) { ///列无DIV if (dragTbl.rows[0].cells[j].getElementsByTagName("div").length == 0) { dashedElement.style.width = dragTbl.rows[0].cells[j].offsetWidth - 2 * parseInt(dashedElement.style.borderWidth) + "px"; dragTbl.rows[0].cells[j].appendChild(dashedElement); } else { var posFirstChild = Common.getElementPos(Common.firstChild(dragTbl.rows[0].cells[j], "DIV")); var posLastChild = Common.getElementPos(Common.lastChild(dragTbl.rows[0].cells[j], "DIV")); //处理特殊情况：在最上/下面MOVE时不碰到现有DIV的情况下，又回到起始拖拽的列最上/下方 var tmpUp, tmpDown; if (tmpObj.colId == j) { tmpUp = tmpObj.firstChildUp; tmpDown = tmpObj.lastChildDown; } else { tmpUp = posFirstChild.y; tmpDown = posLastChild.y + Common.lastChild(dragTbl.rows[0].cells[j], "DIV").offsetHeight; } if (movePos.y < tmpUp) {///从最上面插入虚线框
dashedElement.style.width = Common.firstChild(dragTbl.rows[0].cells[j], "DIV").offsetWidth - 2 * parseInt(dashedElement.style.borderWidth) + "px"; dragTbl.rows[0].cells[j].insertBefore(dashedElement, Common.firstChild(dragTbl.rows[0].cells[j], "DIV")); } else if (movePos.y > tmpDown) {///从最下面插入虚线框 dashedElement.style.width = Common.lastChild(dragTbl.rows[0].cells[j], "DIV").offsetWidth - 2 * parseInt(dashedElement.style.borderWidth) + "px"; dragTbl.rows[0].cells[j].appendChild(dashedElement); } }
} } } }; document.onmouseup = function() {
if (dragObj.moveable) { if (Common.isIE) { dragDiv.releaseCapture(); } else { window.releaseEvents(dragDiv.mousemove); } dragObj.SetOpacity(dragDiv, 100); dragObj.moveable = false; dragObj.tmpX = 0; dragObj.tmpY = 0; //务必写在此IF内 dragDiv.style.left = ""; dragDiv.style.top = ""; dragDiv.style.width = ""; dragDiv.style.position = ""; dashedElement.parentNode.insertBefore(dragDiv, dashedElement); dashedElement.parentNode.removeChild(dashedElement); } };
}
}, SetOpacity: function(dragDiv, n) { if (Common.isIE) { dragDiv.filters.alpha.opacity = n; } else { dragDiv.style.opacity = n / 100; } },
GetZindex: function() { var maxZindex = 0; var divs = document.getElementsByTagName("div"); for (z = 0; z < divs.length; z++) { maxZindex = Math.max(maxZindex, divs[z].style.zIndex); } return maxZindex; }, RegDragsPos: function() { var arrDragDivs = new Array(); var dragTbl = document.getElementById("dragTable"); var tmpDiv, tmpPos; for (i = 0; i < dragTbl.getElementsByTagName("div").length; i++) { tmpDiv = dragTbl.getElementsByTagName("div")[i]; if (tmpDiv.className == "dragDiv") { tmpPos = Common.getElementPos(tmpDiv); arrDragDivs.push({ DragId: tmpDiv.id, PosLeft: tmpPos.x, PosTop: tmpPos.y, PosWidth: tmpDiv.offsetWidth, PosHeight: tmpDiv.offsetHeight }); } } return arrDragDivs; } } window.onload = function() {
var dragTbl = document.getElementById("dragTable"); if (Common.getCookie("configArr")) { var configArr = eval("(" + Common.getCookie("configArr") + ")"); for (i = 0; i < dragTbl.rows[0].cells.length; i++) { for (j = 0; j < configArr[i].length; j++) { dragTbl.rows[0].cells[i].appendChild(document.getElementById(configArr[i][j])); } } } new Drag("titleBar1", "dragDiv1"); new Drag("titleBar2", "dragDiv2"); new Drag("titleBar3", "dragDiv3"); new Drag("titleBar4", "dragDiv4"); new Drag("titleBar5", "dragDiv5"); } window.onunload = function() {
var dragTbl = document.getElementById("dragTable"); var configArr = ""; for (i = 0; i < dragTbl.rows[0].cells.length; i++) { var tmpStr = ""; for (j = 0; j < dragTbl.rows[0].cells[i].getElementsByTagName("DIV").length; j++) { tmpStr += (tmpStr == "" ? "" : ",") + "'" + dragTbl.rows[0].cells[i].getElementsByTagName("DIV")[j].id + "'"; } configArr += (configArr == "" ? "" : ",") + "[" + tmpStr + "]"; } //format like: [['dragDiv3','dragDiv5'],['dragDiv4','dragDiv1'],['dragDiv2']] Common.setCookie("configArr", "[" + configArr + "]"); } </script> <style type="text/css"> .spanDiv{ position:relative; width:5px; height:5px; } .dragDiv,.nodragDiv{
position:relative; filter:alpha(opacity=100); opacity:1; margin-bottom:6px; background-color:#FFFFFF; } </style> </head> <body > <script type="text/javascript"> </script>
<table id="dragTable" cellpadding="3" style=" border:solid 0px green;width:98%;"> <tr> <td valign="top" style="width:30%"> <div class="dragDiv" id="dragDiv1" > <table cellpadding="0" cellspacing="0" border="1" style="width:100%;border-collapse:collapse; border-color:Blue"> <tr id="titleBar1" style="height:22px; text-align:left; background-color:#547BC9;color:White; padding:3px;cursor:move;"> <th align="left" unselectable="on" >Title1</th> </tr> <tr style="height:130px;padding:3px;" align="left" valign="top" > <td unselectable="on">这里的字比较长....我来了....中国....中国...外国.，看一下有没有溢出></td> </tr> </table> </div> <div class="dragDiv" id="dragDiv2"> <table cellpadding="0" cellspacing="0" border="1" style="width:100%;border-collapse:collapse; border-color:Blue"> <tr id="titleBar2" style="height:22px; text-align:left; background-color:#547BC9;color:White; padding:3px;cursor:move;"> <th align="left" unselectable="on" >Title2</th> </tr> <tr style="height:130px;padding:3px;" align="left" valign="top" > <td unselectable="on">Content2...</td> </tr> </table> </div> </td> <td valign="top" style="width:50%"> <div class="dragDiv" id="dragDiv3"> <table cellpadding="0" cellspacing="0" border="1" style="width:100%;border-collapse:collapse; border-color:Blue"> <tr id="titleBar3" style="height:22px; text-align:left; background-color:#547BC9;color:White; padding:3px;cursor:move;"> <th align="left" unselectable="on" >Title3</th> </tr> <tr style="height:230px;padding:3px;" align="left" valign="top" > <td unselectable="on">Content3...</td> </tr> </table> </div> </td> <td valign="top" style="width:20%"> <div class="dragDiv" id="dragDiv4"> <table cellpadding="0" cellspacing="0" border="1" style="width:100%;border-collapse:collapse; border-color:Blue"> <tr id="titleBar4" style="height:22px; text-align:left; background-color:#547BC9;color:White; padding:3px;cursor:move;"> <th align="left" unselectable="on" >Title4</th> </tr> <tr style="height:130px;padding:3px;" align="left" valign="top" > <td unselectable="on">Content4...</td> </tr> </table> </div> <div class="dragDiv" id="dragDiv5"> <table cellpadding="0" cellspacing="0" border="1" style="width:100%;border-collapse:collapse; border-color:Blue"> <tr id="titleBar5" style="height:22px; text-align:left; background-color:#547BC9;color:White; padding:3px;cursor:move;"> <th align="left" unselectable="on" >Title5</th> </tr> <tr style="height:130px;padding:3px;" align="left" valign="top" > <td unselectable="on">Content5...</td> </tr> </table> </div> </td> </tr> </table> </body> </html> 例子三、
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www./TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www./1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>Js层拖动 - www.</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>完美的拖拽</h2> <p>体验不错的JavaScript网页拖动，除了拖动，还可拖动放大，像Windows窗口一样被放大或缩小，只要按住层的右下角，就可以收放自如的放大或缩小。想使用的朋友，可将代码里的Js封装成类，从外部引入想必更合理些。'</p> <div id="right"></div> <div id="div1">拖</div> <div id="bottom"></div> </div> </div> <div id="zhezhao"></div> </body> </html> 左右框架隐藏显示/打开/关闭的JS代码例子四、左右框架隐藏显示
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