AJAX 异域使用 if ( ! window.XMLHttpRequest) ... { window.XMLHttpRequest = function() ...{ var xmlHttp = null; var ex; try ...{ xmlHttp = new ActiveXObject("Msxml2.XMLHTTP.4.0"); } catch (ex) ...{ try ...{ xmlHttp = new ActiveXObject("MSXML2.XMLHTTP"); } catch (ex) ...{ try ...{ xmlHttp = new ActiveXObject("Microsoft.XMLHTTP"); } catch (ex) ...{} } } return xmlHttp; }} function XHR(callback) ... { switch(typeof(callback)) ...{ case "function": case "string": break; //允许参数是 函数或字符串 default: return null; } //*/ var xml_method = 0; var http = new XMLHttpRequest(); if (http == null) ...{ //alert("创建对象失败!"); return null; } http.onreadystatechange = function()...{ /**//* 0: Uninitialized 1: Loading 2: Loaded 3: Interactive 4: Finished */ if(http.readyState == 4) ...{ try ...{ var ret = http.responseText; //结果 if (typeof(callback)=="function") ...{ callback(ret); //回访回调函数 } else if(typeof(callback)=="string") ...{ var lc = callback.indexOf("("); var rc = callback.indexOf(")"); //alert("callback: "+lc+" "+rc); if ((lc<0)&&(rc<0)) ...{ s = callback+"(ret)"; } else ...{ var a = ""; a = (rc-lc<2)?"":","; r = /)/g; s = callback.replace(r ,a+"ret)"); } //alert(s); eval(s); } //http = null; } catch(e) ...{ //alert(e.description); } } }; this.get = function(url)...{ try ...{ //alert('a'); //* http.open('get', url, true); http.send(null); //*/ } catch(e) ...{ //alert(e.description); } }; this.post = function(url,args)...{ try ...{ http.open('post', url, true); http.setRequestHeader("Method", "POST " + url + " HTTP/1.1"); http.setRequestHeader("Charset","GB2312"); http.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); //* var arg_g_arr = args.split("&"); for(key in arg_g_arr) ...{ value_arr = arg_g_arr[key].split("="); value_arr[1] = encodeURI(value_arr[1]); arg_g_arr[key] = value_arr.join("="); } args = arg_g_arr.join("&"); //alert(args); //*/ http.send(args); } catch(e) ...{ //alert(e.description); } };} _gObjByID = function (id) ... { return document.getElementById(id);} // 商家排行 var CurrentShopPaiHangFlag = ' 1 ' ; function OperatePaiHangDiv(divID) ... { //alert(CurrentCircleFlag); var obj=null; var objShowPanel=null; objShowPanel=_gObjByID("DivShopPaiHang_ShowPanel"); var shopPanel_="DivShopPaiHang_ShowPanel"; if(CurrentShopPaiHangFlag!=divID) ...{ for(var i=1;i<=3;i++) ...{ _gObjByID("DivShopPaiHang_Flag" + i).removeAttribute("className"); _gObjByID("DivShopPaiHang_Flag" + i).removeAttribute("class"); } _gObjByID("DivShopPaiHang_Flag" + divID).className='current'; if(CurrentShopPaiHangFlag!="") ...{ //alert('CurrentCircleFlag!=""'); obj=_gObjByID("DivShopPaiHang_Flag" + divID + "_Content"); _gObjByID("DivShopPaiHang_Flag" + CurrentShopPaiHangFlag + "_Content").innerHTML=objShowPanel.innerHTML; objShowPanel.innerHTML=GetLoadingImg(); if(obj.innerHTML == null || obj.innerHTML == "" || obj.innerHTML == GetLoadingImg()) ...{//alert('GetFromAspx');// var oXmlHttp = createXMLHttp(); // ShowDivContent('indexContent/DivShopPaiHang.aspx?Flag=' + divID,oXmlHttp,"DivShopPaiHangFlag"+divID,objShowPanel); var x = new XHR("re_OperatePaiHangDiv('DivShopPaiHang_ShowPanel','DivShopPaiHangFlag"+divID+"')"); //alert(url); var url = "indexContent/DivShopPaiHang.aspx?Flag=" + divID ; x.get(url); } else ...{//alert('GetFromDiv'); objShowPanel.innerHTML=obj.innerHTML; obj.innerHTML=""; } } else ...{ var x = new XHR("re_OperatePaiHangDiv('DivShopPaiHang_ShowPanel','DivShopPaiHangFlag"+divID+"')"); //alert(url); var url = "indexContent/DivShopPaiHang.aspx?Flag=" + divID ; x.get(url); } CurrentShopPaiHangFlag=divID; //SwapPaiHangShopDiv('DivShopPaiHangFlag'+divID,'1'); }} function re_OperatePaiHangDiv(id,id2,cc) ... { _gObjByID(id).innerHTML = cc; SwapPaiHangShopDiv(id2,'1');} function SwapPaiHangShopDiv(DivKey,ID) ... {//DivS1 DivB1 for(var i=1;i<=9;i++) ...{ _gObjByID(DivKey + '_S' + i).style.display=''; _gObjByID(DivKey + '_B' + i).style.display='none'; } _gObjByID(DivKey + '_S' + ID).style.display='none'; _gObjByID(DivKey + '_B' + ID).style.display=''; ShowImg("Img_"+DivKey+"_"+ID,"ImgSrc_"+DivKey+"_"+ID);} function GetLoadingImg() ... { var ImgHtml; ImgHtml='<div align="center">'; ImgHtml=ImgHtml+'<span><img src="indexImage1/loading.gif" alt="loading...." /></span>' ImgHtml=ImgHtml+'</div>'; return ImgHtml;} INDEX.ASPX < div class ="hotShop sort1 block yspace" id ="DivShopPaiHang_Food" > < div class ="title" > < span class ="b1tl l" ></ span > < ul > < li id ="DivShopPaiHang_Flag1" onmouseover ="getPageDiv('DivShopPaiHang_Flag','1')" class ="current" >< span >< a href ="shop/" target ="_blank" > 餐饮排行 </ a ></ span ></ li > < li id ="DivShopPaiHang_Flag2" onmouseover ="getPageDiv('DivShopPaiHang_Flag','2')" >< span >< a href ="shop/" target ="_blank" > 玩乐排行 </ a ></ span ></ li > < li id ="DivShopPaiHang_Flag3" onmouseover ="getPageDiv('DivShopPaiHang_Flag','3')" >< span >< a href ="shop/" target ="_blank" > 购物排行 </ a ></ span ></ li > </ ul > < span class ="b1tr r" ></ span > </ div > < div id ="DivShopPaiHang_Flag1_Content" class ="txt" style ="display:none;" ></ div > < div id ="DivShopPaiHang_Flag2_Content" class ="txt" style ="display:none;" ></ div > < div id ="DivShopPaiHang_Flag3_Content" class ="txt" style ="display:none;" ></ div > < div id ="DivShopPaiHang_ShowPanel" class ="txt" style ="height:265px;" > < div class ="txt11" > < ul > </ ul > </ div > </ div > < span class ="bbl" >< span class ="bbr" ></ span ></ span > </ div > DivShopPaiHang.aspx.cs int SCurrentNum_PaiHangParty = 1 ; int BCurrentNum_PaiHangParty = 1 ; public string Flag = " 1 " ; protected void Page_Load( object sender, EventArgs e) ... { Flag = Request.QueryString["Flag"]; if (Flag != null && Flag != "" && BaDa.Comm.Components.Function.IsIntNumberic(Flag)) ...{ DataSet DSPaiHang_Party = GetShopPHRs(Flag); lstPaiHang_Party.DataSource = DSPaiHang_Party.Tables[0].DefaultView; lstPaiHang_Party.DataBind(); DSPaiHang_Party.Dispose(); } } // 娱乐排行 public string GetSCurrentNum_PaiHangParty() ... { return SCurrentNum_PaiHangParty.ToString(); } public string GetBCurrentNum_PaiHangParty() ... { return BCurrentNum_PaiHangParty.ToString(); } protected void lstPaiHang_Party_ItemDataBound( object sender, RepeaterItemEventArgs e) ... { SCurrentNum_PaiHangParty = SCurrentNum_PaiHangParty + 1; BCurrentNum_PaiHangParty = BCurrentNum_PaiHangParty + 1; } public string GetFlag() ... { return Flag; } // 获得排行商家Dataset private DataSet GetShopPHRs( string VFlag) ... { BaDa.BLL.Shop_Com BllShop = new BaDa.BLL.Shop_Com(); string VSqlWhere = "ClassID=" + VFlag + " and CityCode='" + GetCurrentCityCode() + @"' and lower(Img)<>'shopempty.jpg' Order by Support desc"; return BllShop.GetListByWhere(9, VSqlWhere); } DivShopPaiHang.aspx <% ... @ OutputCache Duration="30" VaryByParam="Flag" %> < div class ="txt11" > < ul > < asp:Repeater ID ="lstPaiHang_Party" runat ="server" EnableViewState ="False" OnItemDataBound ="lstPaiHang_Party_ItemDataBound" > < ItemTemplate > < li class ="num11 more" style ="display:none" id ="DivShopPaiHangFlag<%#GetFlag()%>_B<%#GetSCurrentNum_PaiHangParty()%>" > < p class ="numBig l" >< span > <% ... #GetSCurrentNum_PaiHangParty() %> </ span ></ p > < p class ="productImg l" >< a href ="shop/spShow_<%# DataBinder.Eval(Container.DataItem, " ID")% > .html" target="_blank" title=" <% ... # DataBinder.Eval(Container.DataItem, "ShopName") %> "> < img id ="Img_DivShopPaiHangFlag<%#GetFlag()%>_<%#GetSCurrentNum_PaiHangParty()%>" alt ="<%# DataBinder.Eval(Container.DataItem, " ShopName")% > " width="50" height="50"/> </ a ></ p > < div class ="productInfo" > < h3 >< a href ="shop/spShow_<%# DataBinder.Eval(Container.DataItem, " ID")% > .html" target="_blank" title=" <% ... # DataBinder.Eval(Container.DataItem, "ShopName") %> "> <% ... # PLeft(DataBinder.Eval(Container.DataItem, "ShopName"),10) %> </ a ></ h3 > < p > 标签: <% ... # ShowTags(DataBinder.Eval(Container.DataItem, "Tags")) %> </ p > </ div > < div id ="ImgSrc_DivShopPaiHangFlag<%#GetFlag()%>_<%#GetSCurrentNum_PaiHangParty()%>" style ="display:none" > <% ... # AdjustImgPath(DataBinder.Eval(Container.DataItem, "Img")) %> </ div > < span class ="cf" ></ span > </ li > < li id ="DivShopPaiHangFlag<%#GetFlag()%>_S<%#GetSCurrentNum_PaiHangParty()%>" class ="num<%#GetSCurrentNum_PaiHangParty()%> listHeight" onmouseover ="SwapPaiHangShopDiv('DivShopPaiHangFlag<%#GetFlag()%>','<%#GetSCurrentNum_PaiHangParty()%>')" >< a href ="shop/spShow_<%# DataBinder.Eval(Container.DataItem, " ID")% > .html" target="_blank" title=" <% ... # DataBinder.Eval(Container.DataItem, "ShopName") %> "> <% ... # PLeft(DataBinder.Eval(Container.DataItem, "ShopName"),18) %> </ a ></ li > </ ItemTemplate > </ asp:Repeater > </ ul > </ div >