Symbian S60 平台简体汉字处理浅谈

核心提示：if( CCnvCharacterSetConverter::EErrorIllFormedInput ==characterSetConverter->ConvertToUnicode(point16, point8, state ) ){CleanupStack::PopAndDestroy();User::

if( CCnvCharacterSetConverter::EErrorIllFormedInput ==

characterSetConverter->ConvertToUnicode(point16, point8, state ) )

{

CleanupStack::PopAndDestroy();

User::Leave(KErrArgument);

}

RFileWriteStream StreamWriteToFile( file );

CleanupClosePushL( StreamWriteToFile );

StreamWriteToFile << *UnicodeString;

CleanupStack::PopAndDestroy(4);//file StreamWriteToFile characterSetConverter UnicodeString

FileServerSession.Close();

直接读取的方法与UTF-8编码简体汉字串读写文件的读文件操作相同。

 2).将字串直接写入文件后再读取转换：

直接写文件的方法与UTF-8编码简体汉字串读写文件的写文件操作相同。

//读取后转换

RFs FileServerSession;

RFile file;

User::LeaveIfError(FileServerSession.Connect());

CleanupClosePushL(FileServerSession);

User::LeaveIfError(file.Open(FileServerSession,KHelloFileName, EFileStreamText));

CleanupClosePushL(file);

RFileReadStream StreamReadFromFile(file);

CleanupClosePushL(StreamReadFromFile);

HBufC* StreamData = HBufC::NewLC(StreamReadFromFile, 32);

HBufC8* StreamData8 = HBufC8::NewLC( StreamData->Length() );

StreamData8->Des().Copy(*StreamData);

TPtrC8 point8( *StreamData8 );

CCnvCharacterSetConverter* characterSetConverter=CCnvCharacterSetConverter::NewLC();

if( converter->PrepareToConvertToOrFromL(KCharacterSetIdentifierGbk,

iEikonEnv->FsSession()) == CCnvCharacterSetConverter::EAvailable )

{

}

else if ( characterSetConverter->PrepareToConvertToOrFromL(KCharacterSetIdentifierGb2312,

iEikonEnv->FsSession())!= CCnvCharacterSetConverter::EAvailable )

{

CleanupStack::PopAndDestroy();

User::Leave( KErrNotSupported );