Refer to N how to turn nbook PDF. Finally, it is better - it is relatively good - concise gives two string arrays, respectively: provinces = {"Beijing", "Shanghai"} cities = {"Haidian , Changping, Dongcheng "," Huangpu, XX, YY "} If you want to customize the content of these two arrays, you need another action. My method is to generate these two arrays from a file or database from a file or database, then Forward to Register.jsp. If you have a clever way, please don't know how to enlighten !! JSP page proVince doesn't need to say, as long as the Options tag can.
City: