ASP数据岛操作类

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<%
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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'><font face=webdings>9</font></a> "
Response.Write "<a title='上页' href='"&GetUrl("page")&"page="&CurPage-1&"'><font face=webdings>3</font></a> "
Else
Response.Write "<font face=webdings>9</font> "
Response.Write "<font face=webdings>3</font> "
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("<b>"&i&"</b> ")
End if
next
If CurPage<DataSource.PageCount Then
Response.Write "<a title='下页' href='"&GetUrl("&page&")&"page="&CurPage+1&"'><font face=webdings>4</font></a> "
Response.Write "<a title='尾页' href='"&GetUrl("&page&")&"page="&DataSource.PageCount&"'><font face=webdings>:</font></a> "
Else
Response.Write "<font face=webdings>4</font> "
Response.Write "<font face=webdings>:</font> "
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}'><font color=red>{RealName}</font></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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