Method, device, computer equipment and storage medium for processing pdf files

A device configured to process tables in a PDF file, the device comprising:

• a non-volatile storage medium, configured to record a computer program;
• a memory, configured to provide environment for operations of the computer program in the non-volatile storage medium;
• and
• a processor, configured to
• run the computer program to parse the PDF file,
• record coordinates of start points and end points of all transverse line sections and longitudinal line sections as well as character coordinates into the memory,
• calculate coordinates of crosspoints of all line sections and coordinates of line sections that form the crosspoints to be stored in the memory,
• calculate all grid units according to the coordinates of the crosspoints and the coordinates of the line sections, and
• fill every character respectively into a corresponding unit grid according to the character coordinates.