Abstract: A method for automatically generating an electronic contract with variable terms in a B-to-C e-commerce trade is provided. The method comprises: establishing an electronic contract metadata model; establishing an electronic contract terms library, a rule library of subject matters and terms and a term rule checker; generating an electronic contract template according to the electronic contract metadata model and the optional terms and required terms in the electronic contract terms library; receiving order parameters input by a user and writing the order parameters into the electronic contract template; checking an applicability of terms in the electronic contract template with the written order parameters by the term rule checker according to the rule library of subject matters and terms and the subject matter information, and generating an electronic contract when the checking succeeds; and signing the electronic contract to obtain an effective electronic contract.

Abstract: A system for recording, supervising and reporting electronic commerce participants is provided. The electronic commerce participants comprise an electronic commerce consumer and an electronic commerce enterprise, the system comprises a sub-server located in an industrial and commercial administration department at a low level and a main server located in the industrial and commercial administration department at a high level communicated with the sub-server via the Internet, the sub-server comprises a registration module, a reporting module and a maintenance module.

Abstract: An electronic invoice issuing system for an electronic commerce website is provided. The system comprises: an online trading platform; a security electronic invoice apparatus, preset with a code table of goods and services, an electronic invoice template and a digital signature of an electronic commerce enterprise, and configured to receive a payer information and a trading information from the online trading platform, to add the payer information and the trading information into the electronic invoice template according to the code table of goods and services so as to issue an electronic invoice, and to digitally sign the electronic invoice by the digital certificate of the electronic commerce enterprise; and an electronic invoice information management platform with an access interface, configured to receive the electronic invoice from the security electronic invoice apparatus, to store a registration of the electronic invoice and to provide the electronic invoice to a predesignated user.