4. The method according to claim 1 , wherein the designing the source XML document comprises: defining a source XML document that includes a preset structure and preset source data by using the user-defined tags; and duplicating the source XML document and then creating a duplicated XML document including a structure and source data which are identical to those of the source XML document.
7. The method according to claim 4 , wherein at the defining the source XML document, when the user-defined tags of the source XML document are defined, if the structural data of the source XML document is repetitive data, the repetitive data is differently indicated by attributes.