由于计算机网络的迅速发展,信息传输已经打破了空间和时间的局限,信息可以在很短的时间内由一个地方传到另一个地方,加快了信息传递的速度。在图书馆自动化环境下,信息的存储和检索都通过计算机和网络来实现。在这种情况下,离开了计算机和网络一切都将成为空谈。利用数字化信息需要软硬件设备,其中不同的文件格式还对不同的硬件和软件有特殊的要求。信息资源的特点在网络时代发生了根本性的变化, Due to the rapid development of computer networks, information transmission has broken the limitation of space and time, and information can be transmitted from place to place within a short period of time, accelerating the speed of information transmission. In the library automation environment, information is stored and retrieved through computers and networks. In this case, leaving the computer and network everything will be empty talk. The use of digital information requires hardware and software equipment, of which different file formats also have special requirements for different hardware and software. The characteristics of information resources in the era of the Internet has undergone fundamental changes,