如何用VFP读写配置文件(.INI)?

如何用VFP读写配置文件(.INI)?

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******读写（读取） INI 文件内容
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******以下是一个读取INI文件的例子1*******

* Reading an arbitrary INI file into a cursor
* 读一个 INI 文件到一个游标
Local lcFileName
lcFileName = getfile("ini")
Create CURSOR csResult (section C(50), keyname C(50),keyvalue C(200))
lcSections = getSections (lcFileName)
= str2cursor (lcSections, "csSections")
Select csSections
Scan ALL
Select csSections
lcKeys = getKeys (lcFileName, csSections.strvalue)
= str2cursor (lcKeys, "csKeys")
Select csKeys
Scan ALL
lcValue = getKeyValue (lcFileName,csSections.strvalue, csKeys.strvalue)
Insert INTO csResult VALUES (csSections.strvalue, csKeys.strvalue, lcValue)
Endscan
Endscan
Select csResult
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FUNCTION getSections (lcFileName)
Declare INTEGER GetPrivateProfileString IN kernel32 INTEGER lpAppName,INTEGER lpKeyName,STRING lpDefault,STRING @ lpReturnedString,INTEGER nSize,STRING lpFileName
Local lnSize, lpReturnedString, lnResult
lnSize = 4096
lpReturnedString = Repli (Chr(0), lnSize)
lnResult = GetPrivateProfileString (0,0,"#empty#",@lpReturnedString,lnSize,lcFileName)
Return Left (lpReturnedString, lnResult)
ENDFUNC
FUNCTION getKeys (lcFileName, lcSection)
Declare INTEGER GetPrivateProfileString IN kernel32 STRING lpAppName,INTEGER lpKeyName,STRING lpDefault,STRING @ lpReturnedString,INTEGER nSize,STRING lpFileName
Local lnSize, lpReturnedString, lnResult
lnSize = 16384
lpReturnedString = Repli (Chr(0),lnSize)
lnResult = GetPrivateProfileString (lcSection,0,"#empty#",@lpReturnedString,lnSize,lcFileName)
Return Left (lpReturnedString, lnResult)
ENDFUNC
FUNCTION getKeyValue (lcFileName, lcSection, lcKey)
Declare INTEGER GetPrivateProfileString IN kernel32 STRING lpAppName,STRING lpKeyName,STRING lpDefault,STRING @ lpReturnedString,INTEGER nSize,STRING lpFileName
Local lnSize, lpReturnedString, lnResult
lnSize = 16384
lpReturnedString = Repli (Chr(0), lnSize)
lnResult = GetPrivateProfileString (lcSection,lcKey,"#empty#",@lpReturnedString,lnSize,lcFileName)
Return Left (lpReturnedString, lnResult)
endfunc
FUNCTION str2cursor (lcSource, lcCursor)
Create CURSOR (lcCursor) (strvalue C(250))
Local ii, ch, ss, lnResult
ss = ""
lnResult = 0
For ii=1 TO Len(lcSource)
ch = SUBSTR (lcSource, ii,1)
If ch = Chr(0)
Insert INTO (lcCursor) VALUES (ss)
lnResult = lnResult + 1
ss = ""
Else
ss = ss + ch
Endif
Endfor
Return lnResult
ENDFUNC
FUNCTION getWindowsDir
Declare INTEGER GetWindowsDirectory IN kernel32 STRING @lpBuffer,INTEGER nSize
lpBuffer = SPACE (250)
nSizeRet = GetWindowsDirectory (@lpBuffer, Len(lpBuffer))
Return SUBSTR (lpBuffer, 1, nSizeRet)
ENDFUNC
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******以下是一个读写INI文件的例子2*******

*-- 定义读应用程序 INI 文件的DLL函数
DECLARE INTEGER GetPrivateProfileString IN Win32API AS GetPrivStr ;
String cSection, String cKey, String cDefault, String @cBuffer, ;
Integer nBufferSize, String cINIFile
*-- 定义写应用程序 INI 文件的DLL函数
DECLARE INTEGER WritePrivateProfileString IN Win32API AS WritePrivStr ;
String cSection, String cKey, String cValue, String cINIFile
&& 调用
&& 以下程序将字符串abc=12,24写入当前目录中的formposi.ini文件中的WindowPositions段中：
LOCAL lcValue,lcEntry
lcEntry = "abc"
lcValue = '12,24'
=WritePrivStr("WindowPositions", lcEntry, lcValue, CURDIR() + "formposi.ini")
&& 以下程序从当前目录中的formposi.ini文件中的WindowPositions段中读取以前保存的字符串,并在wait window中显示出来
LOCAL lcBuffer,lcOldError,lnTop,lnLeft,llError,lnCommaPos,lcEntry
lcEntry = 'abc'
lcBuffer = SPACE(10) + CHR(0)
lcOldError = ON('ERROR')
*-- 在INI 文件中读取窗口位置
IF GetPrivStr("WindowPositions", lcEntry, "", @lcBuffer, LEN(lcBuffer), CURDIR() + "formposi.ini") > 0
*-- 如果分解参数时出现错误,
*-- 忽略该串并使用表单的默认值
ON ERROR llError = .T.
lnCommaPos = AT(",", lcBuffer)
lnTop = VAL(LEFT(lcBuffer, lnCommaPos - 1))
lnLeft = VAL(SUBSTR(lcBuffer, lnCommaPos +