Study on the derived food safety management information system based on AJAX and Portal

Aim at meeting the very need of sharing information, complex access authorization for kinds of user and system interface customization for individual user in the current food safety management information system, it firstly analyzed the Ajax and Portal techniques in this paper, then brought forward the forestry, of the system, data flow of function, and the realization of system role for controlling system users, all these were supported by the Portal, Ajax and access authorization by role controlling. The system enhanced the access to information integration of system´s resources, security access control greatly, reduced management overhead and management complexity, and achieve rapid integration the use of system resources. The farm can check the information of food products; the producer also can discover the problem of producing quality food products at once; consumer can check particular information of every single packing of food products through the Internet.