Copy() //!uses StrUtils; //for Delphi6function LeftStr(const AText: string; const ACount: Integer): string;
function RightStr(const AText: string; const ACount: Integer): string;
function MidStr(const AText: string; const AStart, ACount: Integer): string;
function RightStr(const AText: string; const ACount: Integer): string;
function MidStr(const AText: string; const AStart, ACount: Integer): string;
rightstr(string,integer)
最好查差帮助!!!!
insert
delete
length
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http://kingron.myetang.com/zsdoc02.txt
http://kingron.myetang.com/zsdoc03.txt