我的小屋

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@Api(tags = "用户管理接口")
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@RequiredArgsConstructor
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@RestController
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@RequestMapping("/users")
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public class UserController {
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    @Autowired
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    private final IUserService userService;
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    @PostMapping("")
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    @ApiOperation("新增用户")
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    public void saveUser(@RequestBody UserFormDTO userFormDTO) {
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        //1.转换DTO为PO
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        User user = BeanUtil.copyProperties(userFormDTO, User.class);
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        //2.新增
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        userService.save(user);
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    }
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    @GetMapping("/{id}")
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    @ApiOperation("根据id查询用户")
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    public UserVO queryUserById(@PathVariable("id") Long userId){
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        // 1.查询用户
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        User user = userService.getById(userId);
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        // 2.处理vo
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        System.out.println(user);
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        return BeanUtil.copyProperties(user, UserVO.class);
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    }

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public interface UserMapper extends BaseMapper {
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    @Update("UPDATE user SET password = #{newpassword} WHERE id = #{id}")
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    void changePassword(@Param("newpassword") String newpassword, @Param("id") Long id);
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}

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@Service
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public class UserService extends ServiceImpl implements IUserService {
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    @Autowired
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    private UserMapper userMapper;
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    @Override
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    public void changepassword(Long id, String password) {
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        userMapper.changePassword(password, id);
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    }
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}