delphi的UTF8相關函數

delphi的UTF8相關函數
AnsiToUtf8 function
Converts a string encoded in Ansi to UTF-8.
PUCS4Chars function
Converts a UCS4 string to a null-terminated array of UCS4 characters.
StringToWideChar function
Returns a UNICODE string from an AnsiString.
UCS4StringToWideString function
Converts a string of 4-byte Unicode characters into a WideString value.
UnicodeToUtf8 function
Converts a string of Unicode characters into a UTF-8 string.
UTF8Decode function
Converts a UTF8 string to a Unicode string (WideString).
UTF8Encode function
Converts a WideString value to a UTF8 string.
Utf8ToAnsi function
Converts a UTF8 string to a string of Ansi characters.
Utf8ToUnicode function
Converts a string of UTF-8 characters to a Unicode string.
WideCharLenToString function
Converts Unicode characters to single or multi byte character data.
WideCharLenToStrVar procedure
WideCharLenToStrVar converts Unicode characters to single or multi byte character data.
WideCharToString function
Converts null-terminated Unicode string to single or multi byte character data.
WideCharToStrVar procedure
Converts Unicode string to a single or multi byte character data.
WideStringToUCS4String function
Converts a WideString value to a string of 4-byte Unicode characters.