摘要：
public class City {private String cValue;private String cName;}js 代码 做一个省市级联效果 sendAjaxRequest();参见ajax学习笔记 servlet 代码 @Overrideprotected void doPost(HttpServletRequest req, HttpServletResponse resp)throws ServletException, IOException { String province = req.getParameter("province"); ... 阅读全文