diff --git a/src/main/java/com/example/mybatisdemo/controller/UserController.java b/src/main/java/com/example/mybatisdemo/controller/UserController.java index cf62f56..17e5da6 100644 --- a/src/main/java/com/example/mybatisdemo/controller/UserController.java +++ b/src/main/java/com/example/mybatisdemo/controller/UserController.java @@ -1,45 +1,47 @@ package com.example.mybatisdemo.controller; -import com.example.mybatisdemo.mapper.UserMapper; + import com.example.mybatisdemo.pojo.dto.UserDTO; import com.example.mybatisdemo.pojo.entity.User; -import com.example.mybatisdemo.pojo.vo.UserVO; import com.example.mybatisdemo.result.JsonResult; import com.example.mybatisdemo.service.IUserService; +import lombok.RequiredArgsConstructor; import org.springframework.beans.BeanUtils; -import org.springframework.beans.factory.annotation.Autowired; import org.springframework.web.bind.annotation.*; +import java.util.List; + @RestController +@RequiredArgsConstructor public class UserController { - @Autowired - private IUserService iUserService; + private final IUserService iUserService; - @PostMapping("/addUser") - public JsonResult addUser(@RequestBody UserDTO userDTO) { - return iUserService.insertUser(userDTO); - } - @PostMapping("/updateUser") - public JsonResult updateUser(@RequestBody UserDTO userDTO){ - return iUserService.updateUser(userDTO); + @PostMapping("add") + public JsonResult addUser(@RequestBody UserDTO userDTO){ + User user = new User(); + BeanUtils.copyProperties( userDTO , user); + return (iUserService.save(user))?JsonResult.ok():JsonResult.fail(); } - @PostMapping("/deleteUser") - public JsonResult deleteUser(@RequestBody UserDTO userDTO){ - return iUserService.deleteUser(userDTO); + @GetMapping("delete/{id}") + public JsonResult deleteById(@PathVariable Long id){ + return (iUserService.removeById(id))?JsonResult.ok():JsonResult.fail(); } - @PostMapping("/selectById") - public JsonResult selectUserById(@RequestBody UserDTO userDTO){ - return iUserService.selectUserById(userDTO); + @PostMapping("update") + public JsonResult updateUser(@RequestBody UserDTO userDTO){ + User user = new User(); + BeanUtils.copyProperties(userDTO,user); + return (iUserService.updateById(user))?JsonResult.ok():JsonResult.fail(); } - @PostMapping("/selectByName") - public JsonResult selectByName(@RequestBody UserDTO userDTO){ - return iUserService.selectUserByName(userDTO); + @PostMapping("select") + public JsonResult selectUser(@RequestBody UserDTO userDTO){ + List users = iUserService.selectUsers(userDTO.getId(), userDTO.getAge(), userDTO.getName()); + return (users!=null && !users.isEmpty())?JsonResult.ok(users):JsonResult.fail(); } } diff --git a/src/main/java/com/example/mybatisdemo/pojo/dto/UserDTO.java b/src/main/java/com/example/mybatisdemo/pojo/dto/UserDTO.java index b25e68c..7ddea50 100644 --- a/src/main/java/com/example/mybatisdemo/pojo/dto/UserDTO.java +++ b/src/main/java/com/example/mybatisdemo/pojo/dto/UserDTO.java @@ -6,7 +6,7 @@ import java.io.Serializable; @Data public class UserDTO implements Serializable { - private Integer id; + private Long id; private String name; private Integer age; diff --git a/src/main/java/com/example/mybatisdemo/pojo/entity/User.java b/src/main/java/com/example/mybatisdemo/pojo/entity/User.java index 9f5b823..85aceed 100644 --- a/src/main/java/com/example/mybatisdemo/pojo/entity/User.java +++ b/src/main/java/com/example/mybatisdemo/pojo/entity/User.java @@ -11,7 +11,7 @@ import java.util.Date; public class User implements Serializable { @TableId(type = IdType.AUTO) - private Integer id; + private Long id; private String name; private Integer age; private String create_by; diff --git a/src/main/java/com/example/mybatisdemo/repository/IUserRepository.java b/src/main/java/com/example/mybatisdemo/repository/IUserRepository.java deleted file mode 100644 index 798bde7..0000000 --- a/src/main/java/com/example/mybatisdemo/repository/IUserRepository.java +++ /dev/null @@ -1,14 +0,0 @@ -package com.example.mybatisdemo.repository; - -import com.example.mybatisdemo.pojo.entity.User; -import com.example.mybatisdemo.pojo.vo.UserVO; - -import java.util.List; - -public interface IUserRepository { - int addUser(User user); - int deleteUserById(int id); - int updateUser(User user); - User selectById(int id); - List selectByName(String name); -} diff --git a/src/main/java/com/example/mybatisdemo/repository/UserRepository.java b/src/main/java/com/example/mybatisdemo/repository/UserRepository.java deleted file mode 100644 index 27eb313..0000000 --- a/src/main/java/com/example/mybatisdemo/repository/UserRepository.java +++ /dev/null @@ -1,46 +0,0 @@ -package com.example.mybatisdemo.repository; - -import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper; -import com.example.mybatisdemo.mapper.UserMapper; -import com.example.mybatisdemo.pojo.entity.User; -import com.example.mybatisdemo.pojo.vo.UserVO; -import org.springframework.beans.factory.annotation.Autowired; -import org.springframework.stereotype.Repository; - -import java.util.List; - -@Repository -public class UserRepository implements IUserRepository{ - - @Autowired - private UserMapper userMapper; - - @Override - public int addUser(User user) { - return userMapper.insert(user); - } - - @Override - public int deleteUserById(int id) { - return userMapper.deleteById(id); - } - - @Override - public int updateUser(User user) { - return userMapper.updateById(user); - } - - @Override - public User selectById(int id) { - return userMapper.selectById(id); - } - - - @Override - public List selectByName(String name) { - QueryWrapper wrapper = new QueryWrapper<>(); - wrapper.eq("name", name); - return userMapper.selectList(wrapper); - } - -} diff --git a/src/main/java/com/example/mybatisdemo/service/IUserService.java b/src/main/java/com/example/mybatisdemo/service/IUserService.java index 740dc3c..3097c99 100644 --- a/src/main/java/com/example/mybatisdemo/service/IUserService.java +++ b/src/main/java/com/example/mybatisdemo/service/IUserService.java @@ -1,12 +1,14 @@ package com.example.mybatisdemo.service; +import com.baomidou.mybatisplus.extension.service.IService; import com.example.mybatisdemo.pojo.dto.UserDTO; +import com.example.mybatisdemo.pojo.entity.User; +import com.example.mybatisdemo.pojo.vo.UserVO; import com.example.mybatisdemo.result.JsonResult; -public interface IUserService { - JsonResult insertUser(UserDTO userDTO); - JsonResult deleteUser(UserDTO userDTO); - JsonResult updateUser(UserDTO userDTO); - JsonResult selectUserById(UserDTO userDTO); - JsonResult selectUserByName(UserDTO userDTO); +import java.util.List; + +public interface IUserService extends IService { + + List selectUsers(Long id, Integer age, String name); } diff --git a/src/main/java/com/example/mybatisdemo/service/UserService.java b/src/main/java/com/example/mybatisdemo/service/UserService.java deleted file mode 100644 index d3a982a..0000000 --- a/src/main/java/com/example/mybatisdemo/service/UserService.java +++ /dev/null @@ -1,54 +0,0 @@ -package com.example.mybatisdemo.service; - -import com.example.mybatisdemo.pojo.dto.UserDTO; -import com.example.mybatisdemo.pojo.entity.User; -import com.example.mybatisdemo.repository.IUserRepository; -import com.example.mybatisdemo.result.JsonResult; -import org.springframework.beans.BeanUtils; -import org.springframework.beans.factory.annotation.Autowired; -import org.springframework.stereotype.Service; - -import java.util.List; - -@Service -public class UserService implements IUserService{ - @Autowired - private IUserRepository iUserRepository; - - - @Override - public JsonResult insertUser(UserDTO userDTO) { - User user = new User(); - BeanUtils.copyProperties(userDTO,user); - int count = iUserRepository.addUser(user); - return (count!=0)?JsonResult.ok():JsonResult.fail(); - } - - @Override - public JsonResult deleteUser(UserDTO userDTO) { - int count = iUserRepository.deleteUserById(userDTO.getId()); - return (count!=0)?JsonResult.ok():JsonResult.fail(); - } - - @Override - public JsonResult updateUser(UserDTO userDTO) { - User user = new User(); - BeanUtils.copyProperties(userDTO,user); - int count = iUserRepository.updateUser(user); - return (count!=0)?JsonResult.ok():JsonResult.fail(); - } - - @Override - public JsonResult selectUserById(UserDTO userDTO) { - User user = iUserRepository.selectById(userDTO.getId()); - return (user!=null)?JsonResult.ok(user):JsonResult.fail(); - } - - @Override - public JsonResult selectUserByName(UserDTO userDTO) { - List users = iUserRepository.selectByName(userDTO.getName()); - return (users!=null && !users.isEmpty())?JsonResult.ok(users):JsonResult.fail(); - } - - -} diff --git a/src/main/java/com/example/mybatisdemo/service/impl/UserServiceImpl.java b/src/main/java/com/example/mybatisdemo/service/impl/UserServiceImpl.java new file mode 100644 index 0000000..bf70b93 --- /dev/null +++ b/src/main/java/com/example/mybatisdemo/service/impl/UserServiceImpl.java @@ -0,0 +1,27 @@ +package com.example.mybatisdemo.service.impl; + +import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl; +import com.example.mybatisdemo.mapper.UserMapper; + +import com.example.mybatisdemo.pojo.entity.User; +import com.example.mybatisdemo.service.IUserService; + +import org.springframework.stereotype.Service; + +import java.util.List; + + +@Service +public class UserServiceImpl extends ServiceImpl implements IUserService { + + + @Override + public List selectUsers(Long id, Integer age, String name) { + + return lambdaQuery() + .eq(id!=null,User::getId,id) + .eq(age!=null,User::getAge,age) + .eq(name!=null,User::getName,name) + .list(); + } +} diff --git a/src/test/java/com/example/mybatisdemo/MybatisDemoApplicationTests.java b/src/test/java/com/example/mybatisdemo/MybatisDemoApplicationTests.java index bbe722a..4f85482 100644 --- a/src/test/java/com/example/mybatisdemo/MybatisDemoApplicationTests.java +++ b/src/test/java/com/example/mybatisdemo/MybatisDemoApplicationTests.java @@ -30,7 +30,7 @@ class MybatisDemoApplicationTests { @Test void update(){ User user = new User(); - user.setId(27); + user.setId(27L); user.setName("hrc"); user.setAge(123); int i = userMapper.updateById(user); @@ -39,13 +39,13 @@ class MybatisDemoApplicationTests { @Test void select(){ - User user = userMapper.selectById(27); + User user = userMapper.selectById(27L); System.out.println(user); } @Test void delete(){ - int i = userMapper.deleteById(28); + int i = userMapper.deleteById(28L); System.out.println("删除了"+i+"条数据"); }