File uploading method and device, processor and electronic equipment

The invention discloses a file uploading method and device, a processor and electronic equipment. Relates to the financial science and technology field. The method comprises: receiving a first operation for uploading a file control in a sub-transaction information page, the sub-transaction information page being a page nested in a predetermined area of a main transaction page; in response to the first operation, obtaining a target file address; receiving a second operation for submitting the transaction information control in the sub-transaction information page; in response to the second operation, a transaction information submission request and a file uploading request are sent to the server, and the file uploading request carries a target file address; receiving a transaction information submission result and a file uploading progress sent by the server; and displaying the sub-transaction result page in the predetermined area, and popping up a predetermined window in the main transaction ...