RsltStream: TMemoryStream; picBuffer: TByteArray; begin RsltStream := TMemoryStream.Create; RsltStream.LoadFromFile('e:\pic.txt'); RsltStream.Position := 0; // 流读取操作前必须将指针回到起始位 RsltStream.ReadBuffer(picBuffer,RsltStream.Size); //静态数组中picBuffer 和picBuffer[0] 的指针是相...
RsltStream: TMemoryStream; picBuffer: TByteArray; begin RsltStream := TMemoryStream.Create; RsltStream.LoadFromFile('e:\pic.txt'); RsltStream.Position := 0; // 流读取操作前必须将指针回到起始位 RsltStream.ReadBuffer(picBuffer,RsltStream.Size); //静态数组中picBuffer 和picBuffer[0] 的指针是相...
在应用中发现静态数组和动态数组是有区别的: procedure TForm1.Button1Click(Sender: TObject); var RsltStream: TMemoryStream; picBuffer: TByteArray; begin RsltStream := TMemoryStream.Create; RsltStream.LoadFromFile('e:\pic.txt'); RsltStream.Position := 0; // 流读取操作前必须将指针回到起始位 Rslt...
Log(StringOf(BytesOf(C)));// 我,这里C占两个字节,为TBytes,所以不能直接用Byte强制转换,Byte强制转换只能转一个字节 end; TBytes跟array of byte 一样,即为动态数组,使用时需要SetLength(a, n), 下面为TBytes和array[0..9] of byte的区别: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ...
delphi TByteArray 装换成base64 unit EncodingUtil; interface uses SysUtils, Classes, Types, EncdDecd; function BytesToBase64(const bytes: TByteArray): string; function StreamToBase64(AStream: TStream): string; implementation function BytesToBase64(const bytes: TByteArray): string;...
type TByteArray = array [0..65535] of Byte; C++ typedef System::StaticArray<System::Byte, 65536> TByteArray; Properties TypeVisibilitySourceUnitParent array typedef public Vcl.Imaging.pngimage.pas Vcl.Imaging.pngimage.hpp Vcl.Imaging.pngimage Vcl.Imaging.pngimage Description Embarcadero Techn...
描述(Description) java.io.ByteArrayOutputStream.toByteArray()方法创建一个新分配的缓冲区,其大小为此输出流的当前大小。 声明 (Declaration) 以…
/* Base64 encoder fot T-SQL */ CREATE PROCEDURE StringToBase64(@String VARCHAR(4000), @Base64 VARCHAR(4000) OUTPUT) AS DECLARE @ByteArray INT, @OLEResult INT EXECUTE @OLEResult = sp_OACreate 'ScriptUtils.ByteArray', @ByteArray OUT IF @OLEResult <> 0 PRINT 'ScriptUtils.ByteArray ...
OleDbParameter p = new OleDbParameter( “ @Msg “ , OleDbType.LongVarChar)...
@JavaRukawaI don't understand. How couldByteArrayOutputStreambe used that way? What would JSON look like? And how could it be read back? I could see how one might expectByteArrayInputStream(although would disagree due to transient nature of streams) to be useful for serialization. But not...