摘要：
os.chmod()方法 此方法通过数值模式更新路径或文件权限。该模式可采取下列值或按位或运算组合之一：stat.S_ISUID: Set user ID on execution.stat.S_ISGID: Set group ID on execution.stat.S_ENFMT: Record locking enforced.stat.S_ISVTX: Save text image after execution.stat.S_IREAD: Read by owner.stat.S_IWRITE: Write by owner.stat.S_IEXEC: Execute by ow 阅读全文
