基于Android移动终端的计算机文件备份系统的设计

Design of computer file backup system based on Android mobile terminal

随着人们对信息和数据的依赖程度的增强,数据备份变得日益重要,文中设计了一种基于Android移动终端的计算机文件备份系统。为了节约存储空间和降低移动终端的系统开销,采用文件索引和数据块索引相结合的策略,对不同备份类型的文件进行备份和恢复,同时,提出一种改进的差分备份方法,其核心是在计算机端获取文件不同版本之间的差异信息,并传输到移动终端。实验表明,本系统的设计能快速、准确地实现文件备份和恢复,节省了存储空间。

With the enhancement of people dependent on information and data, data backup is becoming more and more important. A computer file backup system based on Android mobile terminal is designed in this paper. In order to save storage space and reduce the overhead of the mobile terminal, file index and data block index combining strategy is used backup and recovery file which are different backup types. At the same, an improved differential backup method is proposed, the core of which is to get variance information between the different versions of the file on the computer and transmit to the mobile terminal. The experiments show that the design of the system can quickly and accurately file backup and recovery, saving storage space.