毕设&课设&项目&实训-jsp基于web网上论坛.zip

package servlet; import entity.Users; import net.sf.json.JSONArray; import service.impl.UsersServiceImpl; 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 java.io.IOException; import java.util.List; @WebServlet(name = "UsersServlet",urlPatterns = "/usersServlet") public class UsersServlet extends HttpServlet { UsersServiceImpl usersService = new UsersServiceImpl(); @Override protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html;charset=utf-8"); request.setCharacterEncoding("utf-8"); String method = request.getParameter("method"); if (method.equals("usersManager")){ usersManager(request,response); }else if (method.equals("editUser")){ editUser(request,response); }else if (method.equals("deleteUser")){ deleteUser(request,response); }else if (method.equals("addUser")){ addUser(request,response); } } public void addUser(HttpServletRequest request,HttpServletResponse response) throws IOException { Users users = new Users(); users.setUname(request.getParameter("uname")); users.setUpwd(request.getParameter("upwd")); users.setUemail(request.getParameter("uinfo")); usersService.addUser(users); response.sendRedirect(request.getContextPath()+"/admin/userManager.html"); } /** * 删除用户 * @param request * @param response * @throws IOException */ public void deleteUser(HttpServletRequest request,HttpServletResponse response) throws IOException { int uid = Integer.parseInt(request.getParameter("id")); usersService.deleteUser(uid); response.sendRedirect(request.getContextPath()+"/admin/userManager.html"); } /** * 更新管理员信息 * @param request * @param response * @throws IOException */ public void editUser(HttpServletRequest request,HttpServletResponse response) throws IOException { Users users = new Users(); users.setUid(Integer.parseInt(request.getParameter("u_id"))); users.setUname(request.getParameter("u_username")); users.setUpwd(request.getParameter("u_pwd")); users.setUemail(request.getParameter("u_info")); usersService.updateUser(users); response.sendRedirect(request.getContextPath()+"/admin/userManager.html"); } /** * 所有用户 * @param request * @param response */ public void usersManager(HttpServletRequest request,HttpServletResponse response) throws IOException { List<Users> usersList = usersService.usersManager(); if (usersList!=null){ JSONArray jsonArray = JSONArray.fromObject(usersList); response.getWriter().print(jsonArray); } } @Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { int id = Integer.parseInt(request.getParameter("id")); List<Users> usersList = usersService.editUser(id); if (usersList!=null){ JSONArray jsonArray = JSONArray.fromObject(usersList); response.getWriter().print(jsonArray); } } }