花卉管理系统

package servlet; import java.io.IOException; import java.io.PrintWriter; import java.sql.Date; import java.text.ParseException; import java.text.SimpleDateFormat; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import util.PageObj; import entity.Flower; import service.FlowerService; public class FlowerServlet extends HttpServlet { /** * */ public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doPost(request, response); } /** * 业务处理控制类 */ public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { request.setCharacterEncoding("utf-8"); response.setContentType("text/html;charset=utf-8"); PrintWriter out = response.getWriter(); String oprString=request.getParameter("opr"); FlowerService service = new FlowerService(); //通用的业务层 if(oprString.equals("list")){ String pageNo = request.getParameter("page"); if(pageNo == null || pageNo ==""){ pageNo = "1"; } PageObj pageObj = new PageObj(); ///分页对象 pageObj.setPageNo(Integer.parseInt(pageNo)); pageObj.setTotalCounts(service.getTotalCount()); //获取当前页的记录 service.getPageFlowers(pageObj); request.setAttribute("pageObj", pageObj); request.getRequestDispatcher("index.jsp").forward(request, response); }else if (oprString.equals("add")){ String name = request.getParameter("name"); String openDate = request.getParameter("openDate"); String price = request.getParameter("price"); String prop = request.getParameter("property"); String production = request.getParameter("production"); Flower f = new Flower(); f.setName(name); f.setProperty(prop); f.setProduction(production); f.setPrice( Double.parseDouble(price) ); SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd"); java.util.Date dt = new java.util.Date(); try { dt = sdf.parse(openDate); } catch (ParseException e) { // TODO Auto-generated catch block e.printStackTrace(); } f.setOpenDate(dt); int rst = service.insert(f); if(rst >0){ request.getSession().setAttribute("msg", "添加成功！"); }else{ request.getSession().setAttribute("msg", "添加失败！"); } request.getRequestDispatcher("index.jsp").forward(request, response); } else if(oprString.equals("del")){ String id = request.getParameter("id"); int rst = service.del(Integer.parseInt(id)); if(rst>0){ out.print("true"); }else{ out.print("false"); } } out.flush(); out.close(); } }