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VB源码:用于读取和写入ini文件的模块代码

2013年04月19日 灵犀一指 VB源码:用于读取和写入ini文件的模块代码已关闭评论 阅读 915 人 次

[php]
Option Explicit

Private Declare Function GetPrivateProfileString Lib "KERNEL32" Alias "GetPrivateProfileStringA" (ByVal lpApplicationName As String, ByVal lpKeyName As Any, ByVal lpDefault As String, ByVal lpReturnedString As String, ByVal nSize As Long, ByVal pFileName As String) As Long
Private Declare Function WritePrivateProfileString Lib "KERNEL32" Alias "WritePrivateProfileStringA" (ByVal lpApplicationName As String, ByVal lpKeyName As Any, ByVal lpString As Any, ByVal lpFileName As String) As Long
Private Declare Function GetPrivateProfileSection Lib "KERNEL32" Alias "GetPrivateProfileSectionA" (ByVal lpAppName As String, ByVal lpReturnedString As String, ByVal nSize As Long, ByVal lpFileName As String) As Long
'*************************************
'目的:写入数据至Ini文件

'输入: FileName 文件名
' AppName 项目名
' In_Key 键名
' In_Data 键名上的数值

'返回: 写入成功 True
' 写入失败 False

'*************************************

Public Function WriteIniStr(ByVal FileName As String, ByVal AppName As String, ByVal In_Key As String, ByVal In_Data As String) As Boolean
On Error GoTo WriteIniStrErr
WriteIniStr = True
If VBA.Trim(In_Data) = "" Or VBA.Trim(In_Key) = "" Or VBA.Trim(AppName) = "" Then
GoTo WriteIniStrErr
Else
WritePrivateProfileString AppName, In_Key, In_Data, FileName
End If
Exit Function
WriteIniStrErr:
Err.Clear
WriteIniStr = False
End Function

'*************************************
'目的:从Ini文件中读取数据

'输入: FileName 文件名
' AppName 项目名
' In_Key 键名

'返回: 取得给定键名上的数据

'*************************************

Public Function GetIniStr(ByVal FileName As String, ByVal AppName As String, ByVal In_Key As String) As String
On Error GoTo GetIniStrErr
If VBA.Trim(In_Key) = "" Then
GoTo GetIniStrErr
End If
Dim GetStr As String
GetStr = VBA.String(128, 0)
GetPrivateProfileString AppName, In_Key, "", GetStr, 256, FileName
GetStr = VBA.Replace(GetStr, VBA.Chr(0), "")
If GetStr = "" Then
GoTo GetIniStrErr
Else
GetIniStr = GetStr
GetStr = ""
End If
Exit Function
GetIniStrErr:
Err.Clear
GetIniStr = ""
GetStr = ""
End Function

'Option Explicit

'遍历ini文件 , 某个主键下的所有Key
Public Function GetInfoSection(strSection As String, strIniFile As String) As String()
Dim strReturn As String * 32767
Dim strTmp As String
Dim nStart As Integer
Dim nEnd As Integer
Dim i As Integer
Dim sArray() As String

Call GetPrivateProfileSection(strSection, strReturn, Len(strReturn), strIniFile)

strTmp = strReturn
i = 1
Do While strTmp <> ""
nStart = nEnd + 1
nEnd = InStr(nStart, strReturn, vbNullChar)
strTmp = Mid$(strReturn, nStart, nEnd - nStart)
If Len(strTmp) > 0 Then
ReDim Preserve sArray(1 To i)
sArray(i) = strTmp
i = i + 1
End If
Loop
GetInfoSection = sArray

End Function
[/php]

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