Delphi2010（MySQL5）写入UTF8文本的问题

Posted 2023-03-20

ADOQuery貌似不支持UTF8文本，一些特殊字符例如“™”这样的写入mysql就变成了“？”

有没有方法解决？我在mysql里执行是正常的，所以别跟我说字符集有问题。
补充：通过MyODBC 3.5连接的，查过一些资料说ADOQuery.SQL.text只支持string类型。

参考技术A delphi的UTF8相关函数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. 参考技术B 用 unidac