c++builder 自带压缩功能
#include "System.ZLib.hpp"
System::Zlib::ZCompressStr("aa",TZCompressionLevel::)
压缩字符串，压缩流
ZCompressStream
对应的解密字符串、解密流
ZDecompressStr
ZDecompressStr
TZCompressionLevel : unsigned char { zcNone, zcFastest, zcDefault, zcMax };
原文：http://www.cnblogs.com/cb168/p/4684602.html