idea工具创建的Spring+SpringMVC+Hibernate+maven项目

package com.sshProject.cotroller; import com.sshProject.entity.Person; import com.sshProject.service.PersonService; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.io.IOException; import java.io.PrintWriter; @Controller public class PersonController extends HttpServlet { @Autowired private PersonService personService; @RequestMapping("/getAllPerson") public String getAllPerson(HttpServletRequest request){ request.setAttribute("personList", personService.getAllPerson()); return "/index"; } @RequestMapping("/getPerson") public String getPerson(String id,HttpServletRequest request){ request.setAttribute("person", personService.getPerson(id)); return "/editPerson"; } @RequestMapping("/toAddPerson") public String toAddPerson(){ return "/addPerson"; } @RequestMapping("/addPerson") public String addPerson(Person person, HttpServletRequest request){ personService.addPerson(person); return "redirect:/getAllPerson"; } @RequestMapping("/delPerson") public void delPerson(String id,HttpServletResponse response){ String result = "{\"result\":\"error\"}"; if(personService.delPerson(id)){ result = "{\"result\":\"success\"}"; } response.setContentType("application/json"); try { PrintWriter out = response.getWriter(); out.write(result); } catch (IOException e) { e.printStackTrace(); } } @RequestMapping("/updatePerson") public String updatePerson(Person person,HttpServletRequest request){ if(personService.updatePerson(person)){ //person = personService.getPerson(String.valueOf(person.getId())); request.setAttribute("person", person); return "redirect:/getAllPerson"; }else{ return "/error"; } } }