Method, unit and system for universally exporting excel

The invention belongs to the technical field of computers, and discloses a universal excel export method, which sequentially comprises the following steps of: 1, receiving an excel export request sent by a client from a universal export interface; 2, generating a query message according to the excel export request, wherein the query message contains a request parameter; 3, the query message is sent to the equipment management module through the query interface, and a query result of the equipment management module is received; and 4, processing the query result according to the export parameters in the excel export request, rendering the query result, and sending the rendered page to the client. The method is implemented by adopting a SpringMVC framework, mapping between a general export interface and an export interface and a pre-established protocol conversion relation between the export interface and a query interface are realized under the framework, export and rendering of excel data can be realized by c