uses Datasnap.DSIntf

设置ZLIB压缩等级(zcFastest表示最快的压缩速度)
      ZCompressStream(M, M0, zcFastest);

获取压缩前和压缩后的数据包的体积
              iTest := DataPacketSize(VarToDataPacket(aDsp[i].Data));
              iB := GetTickCount;
              v[i] := CompressData(aDsp[i].Data);
              iTime := GetTickCount - iB;
              ShowMessage(IntToStr(iTime));
              iTest := DataPacketSize(VarToDataPacket(v[i]));

获得俩组测试数据:
压缩前体积 压缩后体积 压缩用时 压缩比  
57203  9292  15ms 6.15
25572  3700  16ms 6.91

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