UnZip解压缩并删除原文件。

    //UnZip

    [labelOfBlocker setText:NSLocalizedString(@"TXT_UNZIPPING", nil)];

    NSString *fileZip = [NSString stringWithFormat:@"%@%@%@.zip", NSHomeDirectory(),kPath_downloadAudios,productId];

    ZipArchive *zipArchive = [[ZipArchive alloc] init];

    if ([zipArchive UnzipOpenFile:fileZip]) {

        [zipArchive UnzipFileTo:[NSString stringWithFormat:@"%@%@", NSHomeDirectory(),kPath_downloadAudios] overWrite:YES];

        [zipArchive UnzipCloseFile];

    }

    [zipArchive release];

    

    [[NSFileManager defaultManager] removeItemAtPath:fileZip error:&error];