Delphi用的解压压缩程序，个人认为是最好的，支持的格式非常多。网上有很多Dz7Zip的，号称不用7z.dll的那个，实际就是根据这个做的，并且Dz7Zip有个严重问题，函数完成后才解压，于是在递归算法中，Dz7Zip就无效。我一直用sevenzip，感觉不错，还没碰到什么问题。-Delphi used to extract the compressed program, personally think is the best format is very much supported. There are many online Dz7Zip, and known not 7z.dll that actually is based on this do, and Dz7Zip have a serious problem, the function after the completion of decompression, so the recursive algorithm, Dz7Zip to be invalid. I have been using sevenzip, feeling good, have not encountered any problems.