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读写ini文件的四个函数_visualbasic教程

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文件名SourceDB.ini文件

  PrivateDeclareFunctionGetPrivateProfileStringLib"kernel32"Alias

  "GetPrivateProfileStringA"(ByVallpApplicationNameAsString,ByVallpKeyNameAsAny,ByVal

  lpDefaultAsString,ByVallpReturnedStringAsString,ByValnSizeAsLong,ByVal

  lpFileNameAsString)AsLong

  PrivateDeclareFunctionWritePrivateProfileStringLib"kernel32"Alias

  "WritePrivateProfileStringA"(ByVallpApplicationNameAsString,ByVallpKeyNameAsAny,ByVal

  lpStringAsAny,ByVallpFileNameAsString)AsLong

  

  以下两个函数,读/写ini文件,固定节点setting,in_key为写入/读取的主键

  仅仅针对是非值

  Y:yes,N:no,E:error

  PublicFunctionGetIniTF(ByValIn_KeyAsString)AsBoolean

  OnErrorGoToGetIniTFErr

  GetIniTF=True

  DimGetStrAsString

  GetStr=VBA.String(128,0)

  GetPrivateProfileString"Setting",In_Key,"",GetStr,256,App.Path&"\SourceDB.ini"

  GetStr=VBA.Replace(GetStr,VBA.Chr(0),"")

  IfGetStr="1"Then

  GetIniTF=True

  GetStr=""

  Else

  GoToGetIniTFErr

  EndIf

  ExitFunction

  GetIniTFErr:

  Err.Clear

  GetIniTF=False

  GetStr=""

  EndFunction

  

  PublicFunctionWriteIniTF(ByValIn_KeyAsString,ByValIn_DataAsBoolean)AsBoolean

  OnErrorGoToWriteIniTFErr

  WriteIniTF=True

  IfIn_Data=TrueThen

  WritePrivateProfileString"Setting",In_Key,"1",App.Path&"\SourceDB.ini"

  Else

  WritePrivateProfileString"Setting",In_Key,"0",App.Path&"\SourceDB.ini"

  EndIf

  ExitFunction

  WriteIniTFErr:

  Err.Clear

  WriteIniTF=False

  EndFunction

  以下两个函数,读/写ini文件,不固定节点,in_key为写入/读取的主键

  针对字符串值

  空值表示出错

  PublicFunctionGetIniStr(ByValAppNameAsString,ByValIn_KeyAsString)AsString

  OnErrorGoToGetIniStrErr

  IfVBA.Trim(In_Key)=""Then

  GoToGetIniStrErr

  EndIf

  DimGetStrAsString

  GetStr=VBA.String(128,0)

  GetPrivateProfileStringAppName,In_Key,"",GetStr,256,App.Path&"\SourceDB.ini"

  GetStr=VBA.Replace(GetStr,VBA.Chr(0),"")

  IfGetStr=""Then

  GoToGetIniStrErr

  Else

  GetIniStr=GetStr

  GetStr=""

  EndIf

  ExitFunction

  GetIniStrErr:

  Err.Clear

  GetIniStr=""

  GetStr=""

  EndFunction

  

  PublicFunctionWriteIniStr(ByValAppNameAsString,ByValIn_KeyAsString,ByValIn_DataAsString)AsBoolean

  OnErrorGoToWriteIniStrErr

  WriteIniStr=True

  IfVBA.Trim(In_Data)=""OrVBA.Trim(In_Key)=""OrVBA.Trim(AppName)=""Then

  GoToWriteIniStrErr

  Else

  WritePrivateProfileStringAppName,In_Key,In_Data,App.Path&"\SourceDB.ini"

  EndIf

  ExitFunction

  WriteIniStrErr:

  Err.Clear

  WriteIniStr=False

  EndFunction

->

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