ASP数据岛操作类

2007-03-12 00:00:00 作者：

ASP数据岛操作类

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' Programming By Smartpig '
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Class TBGrid
 public DataSource '数据源
 public style '表格总风格
 public HeadStyle '表头风格
 public HeadItemStyle '表头单独风格
 public itemStyle '单元格独立网络
 public HeadSort '表头是否显示排序功能
 public Columns '需要显示的列元素
 public Alternate '是否交替风格
 public AlternateStyle '偶数行风格
 public NormalStyle '正常风格
 public DefaultStyle '默认风格簇
 public PageSize '页大小
 public AllowPageing '是否分页
 public PageingStyle '页数风格

 Private Templates '自定义单元项
 private CurPage '当前页
 private PageStart '页面开始运行时间

 '内容之间的关系
 'Columns.add "Field","HeadText"
 'AddTemplate("HeadText",Template)
 'itemStyle.add "Field","style:adsasd"
 'HeadSort.add "Field",True
 'DataSource(Columns.Keys(i))

 Private Sub Class_Initialize ' 设置 Initialize 事件。
 Set itemStyle = CreateObject("Scripting.Dictionary")
 Set HeadSort = CreateObject("Scripting.Dictionary")
 Set HeadItemStyle = CreateObject("Scripting.Dictionary")
 Set Columns = CreateObject("Scripting.Dictionary")
 Set Templates = CreateObject("Scripting.Dictionary")
 Set DataSource = CreateObject("ADODB.Recordset")
 Alternate = 0
 PageStart = Timer
 End Sub

 Private Sub Class_Terminate ' 设置 Terminate 事件。
 Set itemStyle = Nothing
 Set HeadSort = Nothing
 Set HeadItemStyle = Nothing
 Set Columns = Nothing
 Set DataSource = Nothing
 End Sub

 Private Sub InitTable()
 'Set FieldsNum = DataSource.Fields.Count
 'Set RowsNum = DataSource.RecordCount
 if Columns.Count = 0 then
 For i = 0 to DataSource.Fields.Count -1
 Columns.add DataSource.Fields(i).Name,DataSource.Fields(i).Name
 response.Write(DataSource.Fields(i).Name)
 Next
 end if

 if IsEmpty(Style) and IsEmpty(NormalStyle) then
 DefaultStyle = 1
 Else
 DefaultStyle = Style
 end if

 CurPage = CInt(Request.QueryString("page"))
 if CurPage = "" then
 CurPage = 1
 End If

 if PageSize = Empty then
 PageSize = 10
 end if

 select Case DefaultStyle
 Case 1
 Style ="align=center border=0 cellpadding=4 cellspacing=1 bgcolor='#cccccc'"
 Alternate = 1
 HeadStyle = "Height=25 style=""background-color:#006699;color:#ffffff"""
 AlternateStyle = "bgColor=#ffffff height=25"
 NormalStyle = "height=25 bgcolor=#f5f5f5"
 AllowPageing = true
 tbGrid1.PageingStyle = "bgcolor='#f5f5f5' align='right'"
 Case 2
 Style ="align=center border=0 cellpadding=4 cellspacing=1 bgcolor='#cccccc'"
 Alternate = 0
 HeadStyle = "Height=25 style=""background-color:#ffffff"""
 AlternateStyle = "bgColor=#ffffff height=25"
 NormalStyle = "height=25 bgcolor=#ffffff"
 Case Else
 End Select
 End sub

 public Sub AddTemplate(ByVal ColumnName,ByVal Template)
 Columns.add ColumnName,ColumnName
 Templates.add ColumnName,Template
 End Sub

 public Sub Show()
 InitTable()
 Dim tableStr
 Dim tdStart,tdEnd,tbStyle,tbContent
 Dim curRow
 Dim clm
 Dim regEx,Match,Matches
 tableStr = "<table "&style&">" & vbCrLF
 'Draw Table Head
 Response.Write(tableStr)
 Response.Write("<tr>")
 for Each clm in Columns.Keys()
 tbStyle = HeadStyle & " " & HeadItemStyle(clm)
 tdStart = "<th "&tbStyle&">"
 tdEnd = "</th>" & vbCrLf

 Response.Write(tdStart)
 '加入表头排序功能
 'Code by Redsun
 'Date:2005-1-17
 If HeadSort(clm) Then
 Response.Write Sort(clm,Columns(clm))
 Else
 Response.Write(Columns(clm))
 End If
 Response.Write(tdEnd)
 Next
 Response.Write("</tr>" & vbCrLF)

 'Draw Table items
 curRow = 1
 if AllowPageing <> Empty then
 DataSource.PageSize = PageSize
 else
 DataSource.PageSize = DataSource.RecordCount
 end if

 if CurPage < 1 then
 DataSource.AbsolutePage = 1
 end if

 if CurPage >= DataSource.PageCount then
 DataSource.AbsolutePage = DataSource.PageCount
 end if

 if CurPage >= 1 and CurPage <= DataSource.PageCount then
 DataSource.AbsolutePage = CurPage
 end if

 for curRow = 1 to DataSource.PageSize
 if DataSource.EOF then
 Exit For
 end if

 Response.Write("<tr>")
 for Each clm in Columns.Keys()
 if Alternate = 0 then
 tbStyle = NormalStyle & " " & ItemStyle(clm)
 else
 if curRow mod 2 = 0 then
 tbStyle = AlternateStyle & " " & ItemStyle(clm)
 else
 tbStyle = NormalStyle & " " & ItemStyle(clm)
 end if
 end if

 tdStart = "<td "&tbStyle&">"
 tdEnd = "</td>" & vbCrLf

 if Templates(clm) = Empty then
 tbContent = DataSource(clm)
 else
 tbContent = Templates(clm)
 Set regEx = New RegExp
 regEx.Pattern= "{[A-Za-z0-9_-]+}"
 regEx.IgnoreCase = True
 regEx.Global = True
 Set Matches=regEx.Execute(Templates(clm))
 For each match in matches
 On Error Resume Next
 tbContent = Replace(tbContent,Match.Value,DataSource(Mid(Match.Value,2,Len(Match.Value)-2)),1)
 Next

 end if

 Response.Write(tdStart)
 Response.Write(tbContent)
 Response.Write(tdEnd)
 Next
 Response.Write("</tr>" & vbCrLF)

 DataSource.MoveNext
 Next

 'Draw Pageing Row
 if DataSource.PageCount > 1 and LCase(pageingStyle) <> "none" then
 Dim i,EndPage,StartPage
 response.write("<tr>")
 response.write("<td colspan=" & Columns.Count & " " & PageingStyle & ">")
 '改进分页功能
 'Code by Redsun
 'Date:2005-1-17
 If CurPage>4 Then
 If CurPage+2<DataSource.PageCount Then
 StartPage = CurPage-2
 EndPage = CurPage+2
 Else
 StartPage = DataSource.PageCount-4
 EndPage = DataSource.PageCount
 End If
 Else
 StartPage = 1
 If DataSource.PageCount>5 Then
 EndPage = 5
 Else
 EndPage = DataSource.PageCount
 End If
 End If
 If CurPage>1 Then
 Response.Write "<a title='首页' href='"&GetUrl("page")&"page=1'>9</a> "
 Response.Write "<a title='上页' href='"&GetUrl("page")&"page="&CurPage-1&"'>3</a> "
 Else
 Response.Write "9 "
 Response.Write "3 "
 End If
 For i=StartPage to EndPage
 if i <> CurPage then
 response.write("<a title='第"&i&"页' href='"&GetUrl("page")&"page="&i&"'>"&i&"</a> ")
 Else
 response.write(""&i&" ")
 End if
 next
 If CurPage<DataSource.PageCount Then
 Response.Write "<a title='下页' href='"&GetUrl("&page&")&"page="&CurPage+1&"'>4</a> "
 Response.Write "<a title='尾页' href='"&GetUrl("&page&")&"page="&DataSource.PageCount&"'>:</a> "
 Else
 Response.Write "4 "
 Response.Write ": "
 End If
 Response.Write "   [共"&DataSource.RecordCount&"条]　["&PageSize&"条/页]　[共"&DataSource.PageCount&"页]"
 Response.Write " PageExecute："&Round((Timer-PageStart)*1000,2)&" MS"
 response.write("</td></tr>" & vbCrLf)
 End if
 'Draw Table end
 Response.Write("</table>")
 End sub

 '====================================================================
 '获取当前Url参数的函数
 'Codeing by Redsun
 '====================================================================
 Private Function GetUrl(RemoveList)
 Dim ScriptAddress, M_ItemUrl, M_item
 ScriptAddress = CStr(Request.ServerVariables("SCRIPT_NAME"))&"?"'取得当前地址
 M_ItemUrl = ""
 For Each M_item In Request.QueryString
 If InStr(RemoveList,M_Item)=0 Then
 M_ItemUrl = M_ItemUrl & M_Item &"="& Server.URLEncode(Request.QueryString(""&M_Item&"")) & "&"
 End If
 Next
 GetUrl = ScriptAddress & M_ItemUrl
 End Function


 '=============================
 '实现列表排序
 '返回Url参数并动态改变排序方式
 '参数：需要进行排序的字段名,显示的名称
 '=============================
 Private Function Sort(SortStr,DispName)
 If SortStr = "" Or DispName="" Then Exit Function
 Sort = GetUrl("SOrder,SSort")
 SSort = UCase(Request.QueryString("SSort"))
 If SSort = "DESC" Then
 SSort = "ASC"
 Else
 SSort = "DESC"
 End If
 Sort = "<a class='headhref' href='"&Sort&"SOrder="&SortStr&"&SSort="&SSort&"'>"&DispName&SortType(SortStr)&"</a>"
 End Function

 '-----------------------------------------------
 '标识排序列为升序还是降序方式
 '参数：排序列字段名称
 '-----------------------------------------------
 Private Function SortType(FieldName)
 Dim SOrderName
 SOrderName = Request.QueryString("SOrder")
 If SOrderName<>FieldName Then Exit Function
 Dim SSortImg
 SSortImg = Request.QueryString("SSort")
 SortType = "<img src='/OrderFormSystem/images/"&SSortImg&".gif' border='0'>"
 End Function

End Class

'users Like { UserID,LoginName,Password,RealName,Age,Gender,}
'initDB
Rs.Open "Select * from users",Cn
Dim tbGrid1
Set tbGrid1 = New TBGrid
Set tbGrid1.DataSource = Rs
tbGrid1.Columns.add "LoginName","用户名"
tbGrid1.HeadSort.add "LoginName",True
tbGrid1.Columns.add "Password","密码"
tbGrid1.AddTemplate "修改","<a href='aaa.asp?id={UserID}'>{RealName}</a>"
tbGrid1.ItemStyle.add "Password","align=right"
tbGrid1.ItemStyle.add "修改","width=100"
tbGrid1.PageSize = 5
tbGrid1.AllowPageing = true
tbGrid1.PageingStyle = "align=right"
tbGrid1.Show()
'CloseDB
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