更新时间:2023-11-29 13:38:22
还有第三个枚举参数COPY_FILE,的boost ::文件系统:: copy_option :: overwrite_if_exists
There's a third enum argument to copy_file, boost::filesystem::copy_option::overwrite_if_exists
copy_file(source_path,destination_path,copy_option::overwrite_if_exists);