Method and device for inserting placeholder and generating data mapping table, equipment and medium

The invention discloses a method and device for inserting a placeholder and generating a data mapping table, equipment and a medium, and the method comprises the steps: automatically generating a corresponding placeholder and inserting the placeholder into a report template according to an editing operation by a user on a preset data index in a index tree, and storing the report template in a template library; reading a corresponding report template from the template library, and identifying and extracting the placeholder in the report template; analyzing path information and time information corresponding to the placeholder according to a character string in the placeholder, and generating a corresponding data mapping table based on the path information and the time information; and extracting target data from a data source according to the data mapping table, replacing the corresponding placeholder in the report template according to the target data, and generating a report file. According to the method, ed