Method for optionally changing tree-form directory

摘要

A method for optionally changing a hierarchical directory tree in a web page is provided in the present invention. The hierarchical directory tree includes a plurality of classified data, and is stored in a database. Each of the classified data includes a superior node number and an internal category number. The method includes steps of selecting a first classified data group from the plurality of classified data to form a first catalog, selecting a second classified data group from the plurality of classified data to form a second catalog, and moving a second classified data from the second catalog into the first catalog, and amending a second superior node number of the second classified data with a first internal category number of a first classified data of the first catalog.