ASP技巧实例：关于对表单操作的程序

Inserting Form content into Database with ASP.

<%

' -- Loader.asp --

' -- version 1.5.2

' -- last updated 12/5/2002

'

' Faisal Khan

' [email protected]

' www.stardeveloper.com

' Class for handling binary uploads

Class Loader

Private dict

Private Sub Class_Initialize

Set dict = Server.CreateObject(Scripting.Dictionary)

End Sub

Private Sub Class_Terminate

If IsObject(intDict) Then

intDict.RemoveAll

Set intDict = Nothing

End If

If IsObject(dict) Then

dict.RemoveAll

Set dict = Nothing

End If

End Sub

Public Property Get Count

Count = dict.Count

End Property

Public Sub Initialize

If Request.TotalBytes > 0 Then

Dim binData

binData = Request.BinaryRead(Request.TotalBytes)

getData binData

End If

End Sub

Public Function getFileData(name)

If dict.Exists(name) Then

getFileData = dict(name).Item(Value)

Else

getFileData =

End If

End Function

Public Function getValue(name)

Dim gv

If dict.Exists(name) Then

gv = CStr(dict(name).Item(Value))

gv = Left(gv,Len(gv)-2)

getValue = gv

Else

getValue =

End If

End Function

Public Function saveToFile(name, path)

If dict.Exists(name) Then

Dim temp

temp = dict(name).Item(Value)

Dim fso

Set fso = Server.CreateObject(Scripting.FileSystemObject)

Dim file

Set file = fso.CreateTextFile(path)

For tPoint = 1 to LenB(temp)

file.Write Chr(AscB(MidB(temp,tPoint,1)))

Next

file.Close

saveToFile = True

Else

saveToFile = False

End If

End Function

Public Function getFileName(name)

If dict.Exists(name) Then

Dim temp, tempPos

temp = dict(name).Item(FileName)

tempPos = 1 InStrRev(temp, /)

getFileName = Mid(temp, tempPos)

Else

getFileName =

End If

End Function

Public Function getFilePath(name)

If dict.Exists(name) Then

Dim temp, tempPos

temp = dict(name).Item(FileName)

tempPos = InStrRev(temp, /)

getFilePath = Mid(temp, 1, tempPos)

Else

getFilePath =

End If

End Function

Public Function getFilePathComplete(name)

If dict.Exists(name) Then

getFilePathComplete = dict(name).Item(FileName)

Else

getFilePathComplete =

End If

End Function

Public Function getFileSize(name)

If dict.Exists(name) Then

getFileSize = LenB(dict(name).Item(Value))

Else

getFileSize = 0

End If

End Function

Public Function getFileSizeTranslated(name)

If dict.Exists(name) Then

temp = LenB(dict(name).Item(Value))

If temp <= 1024 Then

getFileSizeTranslated = temp & bytes

Else

temp = FormatNumber((temp / 1024), 2)

getFileSizeTranslated = temp & kilobytes

End If

Else

getFileSizeTranslated =

End If

End Function

Public Function getContentType(name)

If dict.Exists(name) Then

getContentType = dict(name).Item(ContentType)

Else

getContentType =

End If

End Function

Private Sub getData(rawData)

Dim separator

separator = MidB(rawData, 1, InstrB(1, rawData, ChrB(13)) - 1)

Dim lenSeparator

lenSeparator = LenB(separator)

Dim currentPos

currentPos = 1

Dim inStrByte

inStrByte = 1

Dim value, mValue

Dim tempValue

tempValue =

While inStrByte > 0

inStrByte = InStrB(currentPos, rawData, separator)

mValue = inStrByte - currentPos

If mValue > 1 Then

value = MidB(rawData, currentPos, mValue)

Dim begPos, endPos, midValue, nValue

Dim intDict

Set intDict = Server.CreateObject(Scripting.Dictionary)

begPos = 1 InStrB(1, value, ChrB(34))

endPos = InStrB(begPos 1, value, ChrB(34))

nValue = endPos

Dim nameN

nameN = MidB(value, begPos, endPos - begPos)

Dim nameValue, isValid

isValid = True

If InStrB(1, value, stringToByte(Content-Type)) > 1 Then

begPos = 1 InStrB(endPos 1, value, ChrB(34))

endPos = InStrB(begPos 1, value, ChrB(34))

If endPos = 0 Then

endPos = begPos 1

isValid = False

End If

midValue = MidB(value, begPos, endPos - begPos)

intDict.Add FileName, trim(byteToString(midValue))

begPos = 14 InStrB(endPos 1, value, stringToByte(Content-Type:))

endPos = InStrB(begPos, value, ChrB(13))

midValue = MidB(value, begPos, endPos - begPos)

intDict.Add ContentType, trim(byteToString(midValue))

begPos = endPos 4

endPos = LenB(value)

nameValue = MidB(value, begPos, ((endPos - begPos) - 1))

Else

nameValue = trim(byteToString(MidB(value, nValue 5)))

End If

If isValid = True Then

intDict.Add Value, nameValue

intDict.Add Name, nameN

dict.Add byteToString(nameN), intDict

End If

End If

currentPos = lenSeparator inStrByte

Wend

End Sub

End Class

Private Function stringToByte(toConv)

Dim tempChar

For i = 1 to Len(toConv)

tempChar = Mid(toConv, i, 1)

stringToByte = stringToByte & chrB(AscB(tempChar))

Next

End Function

Private Function byteToString(toConv)

For i = 1 to LenB(toConv)

byteToString = byteToString & Chr(AscB(MidB(toConv,i,1)))

Next

End Function

%>

1、用户界面：

<script language=JavaScript>

function CheckAll(form)

{for (var i=0;i<form.elements.length;i )

{var e = form.elements[i];

if (e.name != 'chkall')

e.checked = form.chkall.checked;

}

}

</script>

</head>

<body>

<form method=post action=del.asp name=form1>

<table>

<tr>

<td ><input type=checkbox value=111 name=TradeName>电子邮件1</td>

</tr>

<tr>

<td ><input type=checkbox value=111 name=TradeName>电子邮件2</td>

</tr>

<tr>

<td ><input type=checkbox value=111 name=TradeName>电子邮件3</td>

</tr>

<tr>

<td ><input type=checkbox value=111 name=TradeName>电子邮件4</td>

</tr>

<tr>

<td ><input type=checkbox value=111 name=TradeName>电子邮件5</td>

</tr>

<tr>

<td ><input type=checkbox value=111 name=TradeName>电子邮件6</td>

</tr>

<tr>

<td bgcolor=#F1FBFC height=25 colspan=2>

<p align=left><input type=checkbox name=chkall value=on onclick=CheckAll(this.form)><font color=#FF9900>选中所有显示的消息</font></p>

</td>

<center>

</tr>

</table>

</form>

2、删除文件del.asp

<%

'这行写连接数据库的代码

dim ID,strID

strID=

For Each strID In Request.Form(TradeName)

ID=Cint(strID)

if strID<> then

DelRs = Server.CreateObject(ADODB.Recordset)

Conn.Execute Delete From Tbname where ID=&Cstr(ID)

strID=

end if

Next

Conn.Close

Set Conn = Nothing

Response.Redirect 成功删除！

%>