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Along with the development of economy, the astrospace will be the thing disputed among developed counties. In order to lighten and avoid the great loss on spaceflight,communications,navigation,electric power,resource,health of human and security of country brought by astrospace bad weather,CAS, ministry of information industry, ministry of education, department of earthquake and department of ocean construct the Meridian project together .After the astrospace data is sent to data center, the data share system of Meridian project provide with the service of browsing, downloading, subscribing data. Before the system is developed, the author studies and analyses the requirements of users. The main contributions of this dissertation are as follows:1、The system realize the function of register and login, so user can entry system by his user name and password. After user entry system, system will provide different datum based roles of user.2、The system provide some functions such as querying, downloading and subscribing data. After selecting parameters of data production, users can query the data and data production which according with the query condition, and download or subscribe the data.3、Data share system has strong function of system management to manage resource of system. Data share system includes some function as follows: user management, role management, resource management, log management and table of subscribing data management.Data share system has two merits as follows: one side, system uses the structure of C/S and the framework such as Hibernate and Spring. It quickens course of development and improves readability of program. On the other side, system uses Java language, so it has good compatibility, security and portability.
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