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  • 有序类型的大小及最大、最小值

    procedure TForm1.Button1Click(Sender: TObject);
    var
      b: Byte;
      w: Word;
      i: Integer;
      c: Cardinal;
    begin
      ShowMessage(IntToStr(SizeOf(b)));  //Byte大小:1
      ShowMessage(IntToStr(High(b)));    //Byte最大值: 255
      ShowMessage(IntToStr(Low(b)));     //Byte最小值: 0
    
      ShowMessage(IntToStr(SizeOf(w)));  //Word大小:2
      ShowMessage(IntToStr(High(w)));    //Word最大值: 65535
      ShowMessage(IntToStr(Low(w)));     //Word最小值: 0
    
      ShowMessage(IntToStr(SizeOf(i)));  //Integer大小:4
      ShowMessage(IntToStr(High(i)));    //Integer最大值: 2147483647
      ShowMessage(IntToStr(Low(i)));     //Integer最小值: -2147483648
    
      ShowMessage(IntToStr(SizeOf(c)));  //Cardinal大小:4
      ShowMessage(IntToStr(High(c)));    //Cardinal最大值: 4294967295
      ShowMessage(IntToStr(Low(c)));     //Cardinal最小值: 0
    end;
    
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  • 原文地址:https://www.cnblogs.com/del/p/978616.html
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