java web 写的一个寻物招领平台

package servlet; import java.io.IOException; import java.lang.reflect.Method; import java.sql.SQLException; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Date; import java.util.List; import java.util.UUID; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import bean.Xiaoxi; import dao.XiaoxiDao; /** * Servlet implementation class XiaoxiServlet */ @WebServlet("/xiaoxiServlet") public class XiaoxiServlet extends HttpServlet { private static final long serialVersionUID = 1L; /** * @see HttpServlet#HttpServlet() */ public XiaoxiServlet() { super(); // TODO Auto-generated constructor stub } /** * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse * response) */ protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // TODO Auto-generated method stub doPost(request, response); } /** * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse * response) */ protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // TODO Auto-generated method stub request.setCharacterEncoding("UTF-8"); response.setCharacterEncoding("GB2312"); String methodName = request.getParameter("method"); try { Method method = getClass().getDeclaredMethod(methodName, HttpServletRequest.class, HttpServletResponse.class); method.setAccessible(true); method.invoke(this, request, response); } catch (Exception e) { e.printStackTrace(); throw new RuntimeException(e); } } /*寻物*/ protected void add_Searchxiaoxi(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException, SQLException { request.setCharacterEncoding("UTF-8"); response.setCharacterEncoding("UTF-8"); String zhuti = request.getParameter("zhuti"); String neirong = request.getParameter("neirong"); String wupin = request.getParameter("wupin"); String lianxiren = request.getParameter("lianxiren"); String tel = request.getParameter("tel"); Date d = new Date(); SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd"); String dateNow = sdf.format(d); Xiaoxi xiaoxi = new Xiaoxi(); xiaoxi.setZhuti(zhuti); xiaoxi.setNeirong(neirong); xiaoxi.setShijian(dateNow); xiaoxi.setWupin(wupin); xiaoxi.setLianxiren(lianxiren); xiaoxi.setTel(tel); XiaoxiDao xiaoxiDao = new XiaoxiDao(); int b=xiaoxiDao.insertsearch(xiaoxi); if(b==1) { request.getRequestDispatcher("/index.jsp").forward(request, response); } } /*招领*/ protected void add_Findxiaoxi(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException, SQLException { request.setCharacterEncoding("UTF-8"); response.setCharacterEncoding("UTF-8"); String zhuti = request.getParameter("zhuti"); String neirong = request.getParameter("neirong"); String wupin = request.getParameter("wupin"); String lianxiren = request.getParameter("lianxiren"); String tel = request.getParameter("tel"); Date d = new Date(); SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd"); String dateNow = sdf.format(d); Xiaoxi xiaoxi = new Xiaoxi(); xiaoxi.setZhuti(zhuti); xiaoxi.setNeirong(neirong); xiaoxi.setShijian(dateNow); xiaoxi.setWupin(wupin); xiaoxi.setLianxiren(lianxiren); xiaoxi.setTel(tel); XiaoxiDao xiaoxiDao = new XiaoxiDao(); int b=xiaoxiDao.insertfind(xiaoxi); if(b==1) { request.getRequestDispatcher("/index.jsp").forward(request, response); } } //模糊查询 protected void findMohu_Xiaoxi(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException, SQLException { request.setCharacterEncoding("UTF-8"); response.setCharacterEncoding("GB2312"); String zhuti = request.getParameter("zhuti"); XiaoxiDao xiaoxiDao = new XiaoxiDao(); ArrayList<Xiaoxi> xiaoxi =null; xiaoxi = xiaoxiDao.findmohuAll("%"+zhuti+"%"); System.out.println("%"+zhuti+"%"); if(xiaoxi==null){ request.setAttribute("msg", "没有该物品信息！"); request.getRequestDispatcher("/found.jsp").forward(request, response); } else { request.setAttribute("zhuti", zhuti); request.setAttribute("xiaoxi", xiaoxi); request.getRequestDispatcher("/found.jsp").forward(request, response); //response.setHeader("Refresh","1;url=welcome.jsp"); } } }