显示页面加载时间
重复域中的斑马线
显示字符串前20个字符并在结尾处添加“……”
如果动态图片为空,使用默认图片代替
如果数据为空,使用默认提示信息代替
显示页面加载时间
页面顶部添加下面的代码:
<% Dim strStartTime Dim strEndTime strStartTime = Timer '开始时间 %> 页面(同一页)的末尾添加: <% ' 加载完毕的时间 strEndTime = Timer Response.Write ("页面加载时间: ") Response.Write FormatNumber(strEndTime - strStartTime, 4) Response.Write (" 秒.") %>
重复域中的斑马线
<% '此模块放置在重复域之外 Dim RecordCounter Recordcounter = 0 %> <tr class = <% '将重复域中第一个 <tr>标签的CLASS属性代码用本模块替换 '本模块基于CSS来改变单元格背景色,你也可以直接设置背景色来实现斑马线 RecordCounter = Recordcounter + 1 If RecordCounter Mod 2 = 1 Then Response.Write "altRow1" Else Response.write "altRow2" End If %>
显示字符串前20个字符并在结尾处添加“……”
<% Dim CutShort CutShort = rsYourRecordset.Fields.Item("YourField").Value Response.Write LEFT (CutShort, 20) & "........" %>
如果动态图片为空,用默认图片代替
<% Dim PicShow PicShow = rsShowHide.Fields.Item("shMainPix").Value IF PicShow <>"" THEN %> <img src="<%=rsShowHide.Fields.Item("shMainPix").Value%>"> <% ELSE %> <img src="StaticPic.gif"> <% End If %>
如果数据为空,用默认提示信息代替。
<% Dim strShowHide strShowHide = rsYourRecordset.Fields.Item("YourDataField").Value IF stShowHide <>"" THEN%> 数据为空 <%END IF%>
纯编码实现Access数据库的建立或压缩
<% '#######以下是一个类文件,下面的注解是调用类的方法################################################ '# 注意:如果系统不支持建立Scripting.FileSystemObject对象,那么数据库压缩功能将无法使用 '# Access 数据库类 '# CreateDbFile 建立一个Access 数据库文件 '# CompactDatabase 压缩一个Access 数据库文件 '# 建立对象方法: '# Set a = New DatabaseTools '# by (萧寒雪) s.f. '######################################################################################### Class DatabaseTools Public function CreateDBfile(byVal dbFileName,byVal DbVer,byVal SavePath) '建立数据库文件 'If DbVer is 0 Then Create Access97 dbFile 'If DbVer is 1 Then Create Access2000 dbFile On error resume Next If Right(SavePath,1)<>"\" Or Right(SavePath,1)<>"/" Then SavePath = Trim(SavePath) & "\" If Left(dbFileName,1)="\" Or Left(dbFileName,1)="/" Then dbFileName = Trim(Mid(dbFileName,2,Len(dbFileName))) If DbExists(SavePath & dbFileName) Then Response.Write ("对不起,该数据库已经存在!") CreateDBfile = False Else Dim Ca Set Ca = Server.CreateObject("ADOX.Catalog") If Err.number<>0 Then Response.Write ("无法建立,请检查错误信息 " & Err.number & " " & Err.Description) Err.Clear Exit function End If If DbVer=0 Then call Ca.Create("Provider=Microsoft.Jet.OLEDB.3.51;Data Source=" & SavePath & dbFileName) Else call Ca.Create("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & SavePath & dbFileName) End If Set Ca = Nothing CreateDBfile = True End If End function Public function CompactDatabase(byVal dbFileName,byVal DbVer,byVal SavePath) '压缩数据库文件 '0 为access 97 '1 为access 2000 On Error resume next If Right(SavePath,1)<>"\" Or Right(SavePath,1)<>"/" Then SavePath = Trim(SavePath) & "\" If Left(dbFileName,1)="\" Or Left(dbFileName,1)="/" Then dbFileName = Trim(Mid(dbFileName,2,Len(dbFileName))) If DbExists(SavePath & dbFileName) Then Response.Write ("对不起,该数据库已经存在!") CompactDatabase = False Else Dim Cd Set Cd =Server.CreateObject("JRO.JetEngine") If Err.number<>0 Then Response.Write ("无法压缩,请检查错误信息 " & Err.number & " " & Err.Description) Err.Clear Exit function End If If DbVer=0 Then call Cd.CompactDatabase("Provider=Microsoft.Jet.OLEDB.3.51;Data Source=" & SavePath & dbFileName,"Provider=Microsoft.Jet.OLEDB.3.51;Data Source=" & SavePath & dbFileName & ".bak.mdb;Jet OLEDB;Encrypt Database=True") Else call Cd.CompactDatabase("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & SavePath & dbFileName,"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & SavePath & dbFileName & ".bak.mdb;Jet OLEDB;Encrypt Database=True") End If '删除旧的数据库文件 call DeleteFile(SavePath & dbFileName) '将压缩后的数据库文件还原 call RenameFile(SavePath & dbFileName & ".bak.mdb",SavePath & dbFileName) Set Cd = False CompactDatabase = True End If end function Public function DbExists(byVal dbPath) '查找数据库文件是否存在 On Error resume Next Dim c Set c = Server.CreateObject("ADODB.Connection") c.Open "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & dbPath If Err.number<>0 Then Err.Clear DbExists = false else DbExists = True End If set c = nothing End function Public function AppPath() '取当前真实路径 AppPath = Server.MapPath("./") End function Public function AppName() '取当前程序名称 AppName = Mid(Request.ServerVariables("SCRIPT_NAME"),(InStrRev(Request.ServerVariables("SCRIPT_NAME") ,"/",-1,1))+1,Len(Request.ServerVariables("SCRIPT_NAME"))) End Function Public function DeleteFile(filespec) '删除一个文件 Dim fso Set fso = CreateObject("Scripting.FileSystemObject") If Err.number<>0 Then Response.Write("删除文件发生错误!请查看错误信息 " & Err.number & " " & Err.Description) Err.Clear DeleteFile = False End If call fso.DeleteFile(filespec) Set fso = Nothing DeleteFile = True End function Public function RenameFile(filespec1,filespec2) '修改一个文件 Dim fso Set fso = CreateObject("Scripting.FileSystemObject") If Err.number<>0 Then Response.Write("修改文件名时发生错误!请查看错误信息 " & Err.number & " " & Err.Description) Err.Clear RenameFile = False End If call fso.CopyFile(filespec1,filespec2,True) call fso.DeleteFile(filespec1) Set fso = Nothing RenameFile = True End function End Class %>
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