JAVA | 参数校验

<dependency>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-validation</artifactId>
</dependency>

控制器

@Validated 控制器上打@Validated注解
@Valid 实体对象上打@Valid注解

@Validated
@Api(tags = "用户配置中心接口")
@RestController
@RequestMapping("/ucc")
public class UccEntityController {
    @ApiOperation("根据key更新配置信息")
    @PutMapping("/{key}")
    public ResultVO updateUccByKey(@ApiParam(value = "主键key", defaultValue = "ALL_CWA6920")
                                   @PathVariable("key") String key,
                                   @RequestBody @Valid UpdateDTO dto) {
        return ResultVO.success(uccEntityService.updateUccByKey(key, dto));
    } 
}

实体对象

public class UpdateDTO {
    @NotBlank(message = "唯一键不能为空")
    @ApiModelProperty(value = "唯一key", example = "ALL_CWA6920")
    private String key;
}