SpringBoot+JPA

package com.deng.example.controller; import com.deng.example.entity.Deparment; import com.deng.example.entity.Role; import com.deng.example.entity.User; import com.deng.example.repository.DeparmentRepository; import com.deng.example.repository.RoleRepository; import com.deng.example.repository.UserRepository; import com.deng.example.service.DeparmentService; import com.sun.org.apache.xerces.internal.xs.datatypes.ObjectList; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.data.domain.Page; import org.springframework.data.domain.PageRequest; import org.springframework.data.domain.Pageable; import org.springframework.data.domain.Sort; import org.springframework.util.Assert; import org.springframework.web.bind.annotation.*; import java.util.*; @RestController @RequestMapping(value = "/user") public class UserController { @Autowired DeparmentService deparmentService; @Autowired UserRepository userRepository; // // @Autowired // RoleRepository roleRepository; // // @Autowired // DeparmentRepository deparmentRepository; // @RequestMapping(value = "/all", method = RequestMethod.GET) // public Map<String, Object> allUser() { // Map<String, Object> map = new HashMap<String, Object>(); // // userRepository.deleteAll(); // roleRepository.deleteAll(); // deparmentRepository.deleteAll(); // // Deparment deparment = new Deparment(); // deparment.setName("开发部"); // deparmentRepository.save(deparment); // Assert.notNull(deparment.getId()); // // Role role = new Role(); // role.setName("Admin"); // roleRepository.save(role); // Assert.notNull(role.getId()); // // User user = new User(); // user.setName("user"); // user.setCreateDate(new Date()); // user.setDeparment(deparment); // List<Role> roles = roleRepository.findAll(); // Assert.notNull(roles); // user.setRoles(roles); // // userRepository.save(user); // Assert.notNull(user.getId()); // // map.put("state", "0"); // map.put("message", "操作成功"); // return map; // } @RequestMapping(value = "/getUser", method = RequestMethod.GET) public List<Map<String, Object>> getUser() { Pageable pageable = new PageRequest(0, 5, new Sort(Sort.Direction.ASC, "id")); Page<User> page = userRepository.findAll(pageable); Assert.notNull(page); List<Map<String, Object>> list = new ArrayList<Map<String, Object>>(); for (User user : page.getContent()) { Map<String, Object> map = new HashMap<String, Object>(); map.put("userName", user.getName()); map.put("departmentName", user.getDeparment().getName()); map.put("roleName", user.getRoles().get(0).getName()); list.add(map); } return list; } // @RequestMapping(value = "/saveDeparment", method = RequestMethod.GET) @GetMapping(value = "/saveDeparment/{name}") public Map<String, Object> saveDeparment(@PathVariable String name) { Deparment deparment = new Deparment(); deparment.setName(name); Deparment newD = deparmentService.saveDeparment(deparment); Assert.notNull(deparment.getId()); Map<String, Object> map = new HashMap<String, Object>(); map.put("state", 0); map.put("message", "操作成功"); map.put("Id", newD.getId()); map.put("name", newD.getName()); return map; } }