浅谈Spring中@NotEmpty、@NotBlank、@NotNull区别

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
            <version>2.0.5.RELEASE</version>
        </dependency>

import javax.validation.constraints.*;

@Data
public class BigPeople {
    @ApiModelProperty(value = "id" ,required = true)
    @NotNull(message = "id不能为空")
    @Length(message = "id不能超过{max}个长度",max = 10)
    private Integer id;
 
    @ApiModelProperty(value = "name" ,required = true)
    @NotBlank(message = "name不能为空")
    @Size(message = "名字最长为{max} 个字",max = 10)
    private String name;
 
    @ApiModelProperty(value = "age" ,required = true)
    @NotNull(message = "id不能为空")
    @Range(message = "age的长度范围为{min}岁到{max}岁之间",min = 5,max = 10)
    private Integer age;
 
    @ApiModelProperty(value = "treeNode" ,required = true)
    @NotEmpty(message = "treeNode不能为空")
    private List<String> treeNode;
    
}

import javax.validation.Valid;

import org.springframework.validation.annotation.Validated;
    @ApiOperation(value = "新增或者修改一个人的信息")
    @PostMapping("/updateOrInsert")
    public Result updateOrInsert(@Valid @RequestBody  Person person){
        Boolean updateOrInsert = personService.updateOrInsert(person);
        if (updateOrInsert) {
            return new Result(ResultCode.SUCCESS,updateOrInsert);
        }
       return new Result(ResultCode.ERROR, "新增或者修改一个人的信息失败");
    }
  
    @ApiOperation(value = "新增或者修改一个人的信息")
    @PostMapping("/updateOrInsert")
    public Result updateOrInsert(@Validated @RequestBody  Person person){
        Boolean updateOrInsert = personService.updateOrInsert(person);
        if (updateOrInsert) {
            return new Result(ResultCode.SUCCESS,updateOrInsert);
        }
       return new Result(ResultCode.ERROR, "新增或者修改一个人的信息失败");
    }