Seamless joint method for customer ERP system and manufacturing end ERP system based on user requirements

The invention discloses a seamless joint method for a customer ERP system and a manufacturing end ERP system based on user demands, and the method mainly comprises the following steps: a client ERP system generates a purchase plan, and initiates a data writing request to the manufacturing end ERP system; after receiving the data transmitted by the client, the API gateway code conversion service converts the customer material code into a manufacturing end enterprise product code, automatically establishes order data and transmits the order data to a manufacturing end ERP system; the manufacturing end ERP system actively provides process information of customer orders in production scheduling; after the manufacturing end enterprise delivers goods, the manufacturing end ERP system automatically transmits goods content, invoices, warranty books and other data to the client, and starts the goods receiving and acceptance process of the client. Client service content is extended, informationsharing between supply an