兼容FF和IE的JS图片查看器，放大缩小移动

发布时间：2018-08-18 05:10:11 所属栏目：编程来源：站长网

导读：这是一个兼容 Firefox 和 IE浏览器的JS图片查看器，可控制图片放大、缩

　　这是一个兼容Firefox和IE浏览器的JS图片查看器，可控制图片放大、缩小、还原、移动位置、拖动等操作，并且兼容IE浏览器和FF火狐浏览器，可以用在图片网站、地图网站等。

　　演示：

<html> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <title>JS网页图片查看器－可控制图片放大缩小还原移动效果</title> <META HTTP-EQUIV="imagetoolbar" CONTENT="no"> <style type="text/css"> body { font-family: "Verdana", "Arial", "Helvetica", "sans-serif"; font-size: 12px; line-height: 180%; } td { font-size: 12px; line-height: 150%; } </style> <SCRIPT language=<b>Java</b>Script> drag = 0 move = 0 // 拖拽对象 var ie=document.all; var nn6=document.getElementById&&!document.all; var isdrag=false; var y,x; var oDragObj; function moveMouse(e) { if (isdrag) { oDragObj.style.top = (nn6 ? nTY + e.clientY - y : nTY + event.clientY - y)+"px"; oDragObj.style.left = (nn6 ? nTX + e.clientX - x : nTX + event.clientX - x)+"px"; return false; } } function initDrag(e) { var oDragHandle = nn6 ? e.target : event.srcElement; var topElement = "HTML"; while (oDragHandle.tagName != topElement && oDragHandle.className != "dragAble") { oDragHandle = nn6 ? oDragHandle.parentNode : oDragHandle.parentElement; } if (oDragHandle.className=="dragAble") { isdrag = true; oDragObj = oDragHandle; nTY = parseInt(oDragObj.style.top+0); y = nn6 ? e.clientY : event.clientY; nTX = parseInt(oDragObj.style.left+0); x = nn6 ? e.clientX : event.clientX; document.onmousemove=moveMouse; return false; } } document.onmousedown=initDrag; document.onmouseup=new Function("isdrag=false"); function clickMove(s){ if(s=="up"){ dragObj.style.top = parseInt(dragObj.style.top) + 100; }else if(s=="down"){ dragObj.style.top = parseInt(dragObj.style.top) - 100; }else if(s=="left"){ dragObj.style.left = parseInt(dragObj.style.left) + 100; }else if(s=="right"){ dragObj.style.left = parseInt(dragObj.style.left) - 100; } } function smallit(){ var height1=images1.height; var width1=images1.width; images1.height=height1/1.2; images1.width=width1/1.2; } function bigit(){ var height1=images1.height; var width1=images1.width; images1.height=height1*1.2; images1.width=width1*1.2; } function realsize() { images1.height=images2.height; images1.width=images2.width; block1.style.left = 0; block1.style.top = 0; } function featsize() { var width1=images2.width; var height1=images2.height; var width2=360; var height2=200; var h=height1/height2; var w=width1/width2; if(height1<height2&&width1<width2) { images1.height=height1; images1.width=width1; } else { if(h>w) { images1.height=height2; images1.width=width1*height2/height1; } else { images1.width=width2; images1.height=height1*width2/width1; } } block1.style.left = 0; block1.style.top = 0; } // 烈火網 lieｈｕｏ．ｎet 欢迎复制,拒绝恶意采集ｌｉｅｈｕｏ．ｎｅｔ </SCRIPT> <script language="JavaScript" type="text/JavaScript">  </script> <style type="text/css">  </style> </head> <body leftmargin="0" topmargin="0" marginwidth="0" marginheight="0" onLoad="init();" oncontextmenu="return false" ondragstart="return false" onselectstart ="return false" onselect="document.selection.empty()" oncopy="document.selection.empty()" onbeforecopy="return false"onmouseup="document.selection.empty()" style="overflow-y:hidden;overflow-x:hidden;"> <div id="Layer1"> <table border="0" cellspacing="2" cellpadding="0"> <tr> <td> </td> <td><img src="/uploads/allimg/1107/up.gif" width="20" height="20" style="cursor:hand" onClick="clickMove('up')" title="向上"></td> <td> </td> </tr> <tr> <td><img src="/uploads/allimg/1107/left.gif" width="20" height="20" style="cursor:hand" onClick="clickMove('left')" title="向左"></td> <td><img src="/uploads/allimg/1107/zoom.gif" width="20" height="20" style="cursor:hand" onClick="realsize();" title="还原"></td> <td><img src="/uploads/allimg/1107/right.gif" width="20" height="20" style="cursor:hand" onClick="clickMove('right')" title="向右"></td> </tr> <tr> <td> </td> <td><img src="/uploads/allimg/1107/down1.gif" width="20" height="20" style="cursor:hand" onClick="clickMove('down')" title="向下"></td> <td> </td> </tr> <tr> <td> </td> <td><img src="/uploads/allimg/1107/zoom_in.gif" width="20" height="20" style="cursor:hand" onClick="bigit();" title="放大"></td> <td> </td> </tr> <tr> <td> </td> <td><img src="/uploads/allimg/1107/zoom_out.gif" width="20" height="20" style="cursor:hand" onClick="smallit();" title="缩小"></td> <td> </td> </tr> </table> </div> <p><br> <div id='hiddenPic' style='position:absolute; left:0px; top:0px; width:0px; height:0px; z-index:1; visibility: hidden;'><img name='images2' src='http://www.aspzz.cn/uploads/allimg/180817/22204U552_0.jpg' border='0'></div> <div id='block1' onmouseout='drag=0' onmouseover='dragObj=block1; drag=1;' style='z-index:10; height: 0; left: 0px; position: absolute; top: 0px; width: 0' class="dragAble"> <img name='images1' src='http://www.aspzz.cn/uploads/allimg/180817/22204U552_0.jpg' border='0'></div> </body> </html><br /><center>如不能显示效果，请按Ctrl+F5刷新本页，更多网页代码：<a href='http://www.veryhuo.com/' target='_blank'>http://www.veryhuo.com/</a></center>
提示：可修改后代码再运行!

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