Abstract: Embodiments of the invention disclose a data transmitting method, a server and a client.

Abstract: An embodiment of the present invention provides a point of sale (POS) application development method and a cloud server, which are configured to realize development and deployment of an application through the cloud server so as to shorten the development cycle of the POS application. The method of the embodiment of the present invention includes: by a cloud server, receiving and saving application project data transmitted from a web client; by the cloud server, processing the application project data and obtaining an application package; by the cloud server, performing signature processing for the application package and obtaining a signed application package; by the cloud server, transmitting the signed application package to a POS so that the POS realizes an corresponding application based on the signed application package. Another embodiment of the present invention further provides a cloud server.

Abstract: An embodiment of the present invention provides a POS application development method and a cloud server, which are configured to realize development and deployment of an application through the cloud server so as to shorten the development cycle of the POS application. The method of the embodiment of the present invention includes: by a cloud server, receiving and saving application project data transmitted from a WEB client; by the cloud server, processing the application project data and obtaining an application package; by the cloud server, performing signature processing for the application package and obtaining a signed application package; by the cloud server, transmitting the signed application package to a POS so that the POS realizes an corresponding application based on the signed application package. Another embodiment of the present invention further provides a cloud server.

Abstract: An embodiment of the present invention discloses a browser applied in a POS terminal, the browser includes an extension module configured to parse a custom extended attribute; an interface rendering module configured to receive a rendering request, parse a Hypertext Markup Language HTML5 document and draw a rendering tree; a magnetic card widget module configured to obtain magnetic card information, encrypt plaintext magnetic track data corresponding to the magnetic card information and transmit encrypted data to a transaction background for business logic; a card number input widget module configured to encrypt input card number data and transmit encrypted data to the transaction background for business logic; a cipher input widget module configured to encrypt input cipher data and transmit encrypted data to the transaction background form business logic; a script module configured to parse script codes to obtain script functions, and execute script actions corresponding to the script functions; a variable e

Abstract: Embodiments of the invention disclose a data transmitting method, a server and a client.