JSP+SQL水费管理系统

package servlet; import java.io.IOException; import java.util.ArrayList; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import bean.InsertUpdateDelBean; public class RenderServlet extends HttpServlet { /** * Constructor of the object. */ public RenderServlet() { super(); } /** * Destruction of the servlet. <br> */ public void destroy() { super.destroy(); // Just puts "destroy" string in log // Put your code here } /** * The doGet method of the servlet. <br> * * This method is called when a form has its tag value method equals to get. * * @param request the request send by the client to the server * @param response the response send by the server to the client * @throws ServletException if an error occurred * @throws IOException if an error occurred */ public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doPost(request, response); } /** * The doPost method of the servlet. <br> * * This method is called when a form has its tag value method equals to post. * * @param request the request send by the client to the server * @param response the response send by the server to the client * @throws ServletException if an error occurred * @throws IOException if an error occurred */ public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html;charset=gb2312"); request.setCharacterEncoding("gb2312"); String userid = request.getParameter("userid"); String price = request.getParameter("price"); String months = request.getParameter("months"); String previous = request.getParameter("previous"); String currents = request.getParameter("currents"); String render = request.getParameter("render"); HttpSession session = request.getSession(); ArrayList adminlogin = (ArrayList)session.getAttribute("adminlogin"); String sql = ""; String str = "/admin/render_currents.jsp"; InsertUpdateDelBean ib = new InsertUpdateDelBean(); request.getRequestDispatcher(str).forward(request, response); } /** * Initialization of the servlet. <br> * * @throws ServletException if an error occure */ public void init() throws ServletException { // Put your code here } }