Non-tax electronic bill generation method and system

The invention discloses a non-tax electronic bill generation method and system. The method comprises the steps of obtaining to-be-issued invoice data, and converting the obtained invoice data into a data object of a preset type; analyzing the data object in the preset format to obtain a bill parameter type and a parameter value corresponding to each bill parameter, and determining a bill layout file according to the bill parameter information; filling the bill layout file with a parameter value corresponding to each bill parameter to obtain a first electronic invoice file in a preset format; and signing the first electronic invoice file to obtain a second electronic invoice file in a preset format. According to the method, the electronic bills can be quickly and accurately produced in batches according to the received JSON information, and the electronic bills in the PDF layout can be generated in batches; and different system interfaces are called to realize the required operation process, so that the electr