Function call request processing method and device and server

The invention provides a function call request processing method and device and a server, which are applied to the technical field of computers, and the method comprises the following steps: acquiring a call request initiated by a business system through a preset call interface, the call request comprising a function name and an input parameter value of an SAP function to be called, and accessing an SAP server corresponding to the SAP function to be called, the method comprises the following steps: acquiring a function body of a to-be-called SAP function, converting an input parameter value into a parameter type supported by the to-be-called SAP function to obtain a target input parameter value, further executing the function body based on the target input parameter value to obtain an output parameter value, and finally converting the output parameter value into a parameter type supported by a service system to obtain a to-be-called SAP function. And obtaining a target output parameter value and feeding back