P2P-based government affair data sharing and exchanging system and data acquisition method

The invention discloses a P2P-based government affair data sharing and exchanging system and a data acquisition method, and the system comprises a business system module which comprises a plurality of business systems and is used for sharing verification and collection of government affair data and initiating a government affair data acquisition request; the data transmission management and control module is used for performing unified management on the shared government affair data and the government affair data acquisition request to realize network scheduling of the government affair data; the data exchange network module is used for processing the government affair data acquisition request and the government affair data corresponding to the government affair data acquisition request and achieving sharing of the government affair data, the data exchange network module comprises a plurality of network transmission nodes, and each network transmission node comprises a P2P file system. The P2P file system is