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http://www.devexpress.com/?section=/bestpractices/SAP-VCL 阅读全文
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//检查字符串中是否包含英文function CheckEn(AEn: String): Boolean;var ans : AnsiString; wis : WideString; i, anslng, wislng: integer;begin Result := False; ans := AnsiString(AEn); wis := WideString(AEn); for i... 阅读全文
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StringA := '';LenA := 0;MemLen := 10*1024;Setlength(StringA, MemoLen);While not Query1.Eof dobegin StringB := Query1.Fieldbyname('AField').AsStrimg; LenB := Length(StringB); if (LenA+LenB)>MemLen ... 阅读全文