Methods and apparatus for realizing short URL service

A computer system for realizing a short URL service, comprising:

• one or more processors;
• memory;
• and
• a plurality of program units stored in the memory and executable by the one or more processors, the plurality of program units further including:
• a short URL obtaining unit, configured to generate and store a short URL and long URL information from a long URL, wherein the long URL information contains a long URL and an information ID, and the information ID corresponds to the short URL via a pre-set corresponding mechanism to provide a corresponding relationship there-between;
• a long URL obtaining unit configured, when a target long URL is acquired based on the short URL, to obtain the long URL in the long URL information as the target long URL according to the corresponding relationship between the short URL and the information ID;
• and
• a long URL updating unit, configured to update the target long URL obtained according to the short URL by updating the long URL in the long URL information.