Label printing template generation method and device

The invention provides a label printing template generation method and device. The method comprises the steps of obtaining an html file, and adding a Canvas element into the html file; drawing an entity object group on the Canvas element; acquiring json data of a label printing template according to the entity object group; sending the html file to a browser, analyzing the html file by the browserand then displaying an effect picture of the label printing template, and the effect picture of the label printing template comprising the Canvas element and the entity object group. The Canvas element is added into the html file; each entity object required by the printing template is drawn on the Canvas element; a user adds or modifies the label printing template through the html file; and thehtml file is analyzed through the browser to display the effect picture of the label printing template, so that the user can visually and conveniently check the style of the template in real time andgenerate the json data of t