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1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 2 <html xmlns="http://www.w3.org/1999/xhtml"> 3 <head> 4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 5 <title>Jquery遮罩层</title> 6 7 <style type="text/css"> 8 #BgDiv{background-color:#e3e3e3; position:absolute; z-index:99; left:0; top:0; display:none; width:100%; height:1000px;opacity:0.5;filter: alpha(opacity=50);-moz-opacity: 0.5;} 9 10 #DialogDiv{position:absolute;width:400px; left:50%; top:50%; margin-left:-200px; height:auto; z-index:100;background-color:#fff; border:1px #8FA4F5 solid; padding:1px;} 11 #DialogDiv h2{ height:25px; font-size:14px; background-color:#8FA4F5; position:relative; padding-left:10px; line-height:25px;} 12 #DialogDiv h2 a{position:absolute; right:5px; font-size:12px; color:#000000} 13 #DialogDiv .form{padding:10px;} 14 15 #DialogDiv2{position:absolute;width:400px; left:50%; top:50%; margin-left:-200px; height:auto; z-index:100;background-color:#fff; border:1px #8FA4F5 solid; padding:1px;} 16 #DialogDiv2 h2{ height:25px; font-size:14px; background-color:#8FA4F5; position:relative; padding-left:10px; line-height:25px;} 17 #DialogDiv2 h2 a{position:absolute; right:5px; font-size:12px; color:#000000} 18 #DialogDiv2 .form{padding:10px;} 19 20 #DialogDiv3{position:absolute;width:400px; left:50%; top:50%; margin-left:-200px; height:auto; z-index:100;background-color:#fff; border:1px #8FA4F5 solid; padding:1px;} 21 #DialogDiv3 h2{ height:25px; font-size:14px; background-color:#8FA4F5; position:relative; padding-left:10px; line-height:25px;} 22 #DialogDiv3 h2 a{position:absolute; right:5px; font-size:12px; color:#000000} 23 #DialogDiv3 .form{padding:10px;} 24 </style> 25 26 <script language="javascript" type="text/javascript" src="../js/jquery-1.8.3.js"></script> 27 <script language="javascript" type="text/javascript"> 28 function ShowDIV(thisObjID) { 29 $("#BgDiv").css({ display: "block", height: $(document).height() }); 30 var yscroll = document.documentElement.scrollTop; 31 $("#" + thisObjID ).css("top", "100px"); 32 $("#" + thisObjID ).css("display", "block"); 33 document.documentElement.scrollTop = 0; 34 } 35 36 function closeDiv(thisObjID) { 37 $("#BgDiv").css("display", "none"); 38 $("#" + thisObjID).css("display", "none"); 39 } 40 </script> 41 42 </head> 43 44 <body> 45 <div id="BgDiv"></div> 46 47 <!--遮罩层显示的DIV1--> 48 <div id="DialogDiv" style="display:none"> 49 <h2>弹出层<a href="#" id="btnClose" onclick="closeDiv(‘DialogDiv‘)">关闭</a></h2> 50 <div class="form">我是弹出对话框111111！！</div> 51 </div> 52 53 <!--遮罩层显示的DIV2--> 54 <div id="DialogDiv2" style="display:none"> 55 <h2>弹出层<a href="#" id="btnClose2" onclick="closeDiv(‘DialogDiv2‘)">关闭</a></h2> 56 <div class="form">我是弹出对话框2222！！</div> 57 </div> 58 59 <!--遮罩层显示的DIV3--> 60 <div id="DialogDiv3" style="display:none"> 61 <h2>弹出层<a href="#" id="btnClose3" onclick="closeDiv(‘DialogDiv3‘)">关闭</a></h2> 62 <div class="form">我是弹出对话框3333333！！</div> 63 </div> 64 65 <p> 66 <input value="弹出遮罩层1" type="button" id="btnShow1" onclick="ShowDIV(‘DialogDiv‘)" /> 67 <input value="弹出遮罩层2" type="button" id="btnShow2" onclick="ShowDIV(‘DialogDiv2‘)" /> 68 <input value="弹出遮罩层3" type="button" id="btnShow3" onclick="ShowDIV(‘DialogDiv3‘)" /> 69 </p> 70 </body> 71 </html>
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原文地址：http://www.cnblogs.com/shell-blog/p/4585932.html
