Delphi QuotedStr函数
Delphi QuotedStr函数-给字符串两边加单引号并返回.
Quoted 英文意思:引用、转引
函数原型:
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function QuotedStr( const S: string ): string ; var I: Integer ; begin Result := S; for I := Length(Result) downto 1 do if Result[I] = '' '' then Insert( '' '' , Result, I); Result := '' '' + Result + '' '' ; end ; |
函数作用:给字符串两边加单引号并返回.
例如 (SQL语句):
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//ss 字符串 'select * from AA where Str1=' '' + ss + '' ' ' ; //等同于: 'select * from AA where Str1=' + QuotedStr(ss)+ ' ' ; |
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