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SpringBoot基于Hibernate Validator的JSR303校验

网友: 文章列表 2024-03-22 01:17:01

SpringBoot基于Hibernate Validator的JSR303校验

  1. 加入依赖

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

  2. 在实体类的属性中使用注解设置参数校验

    @Data
@ApiModel(value="AddCourseDto", description="新增课程基本信息")
public class AddCourseDto {@NotEmpty(message = "课程名称不能为空")@ApiModelProperty(value = "课程名称", required = true)private String name;@NotEmpty(message = "适用人群不能为空")@Size(message = "适用人群内容过少",min = 10)@ApiModelProperty(value = "适用人群", required = true)private String users;@ApiModelProperty(value = "课程标签")private String tags;@NotEmpty(message = "课程分类不能为空")@ApiModelProperty(value = "大分类", required = true)private String mt;@NotEmpty(message = "课程分类不能为空")@ApiModelProperty(value = "小分类", required = true)private String st;@NotEmpty(message = "课程等级不能为空")@ApiModelProperty(value = "课程等级", required = true)private String grade;@ApiModelProperty(value = "教学模式（普通，录播，直播等）", required = true)private String teachmode;@ApiModelProperty(value = "课程介绍")@Size(message = "课程描述内容过少",min = 10)private String description;@ApiModelProperty(value = "课程图片", required = true)private String pic;@NotEmpty(message = "收费规则不能为空")@ApiModelProperty(value = "收费规则，对应数据字典", required = true)private String charge;@ApiModelProperty(value = "价格")private Float price;@ApiModelProperty(value = "原价")private Float originalPrice;@ApiModelProperty(value = "qq")private String qq;@ApiModelProperty(value = "微信")private String wechat;@ApiModelProperty(value = "电话")private String phone;@ApiModelProperty(value = "有效期")private Integer validDays;
}

  3. 在controller方法参数中使用 @Validated使校验生效

    public CourseBaseInfoDto createCourseBase(@RequestBody @Validated AddCourseDto addCourseDto)

  4. 在全局异常中对JSR303错误信息解析

     //JSR303校验框架异常解析@ExceptionHandler(MethodArgumentNotValidException.class)@ResponseStatus(HttpStatus.INTERNAL_SERVER_ERROR)public RestErrorResponse  methodArgumentNotValidException(MethodArgumentNotValidException exception){BindingResult bindingResult = exception.getBindingResult();//存储错误信息List<String> errors = new ArrayList<>();bindingResult.getFieldErrors().stream().forEach(item->{errors.add(item.getDefaultMessage());});//将list中的错误信息拼接起来String errMessage = StringUtils.join(errors, ",");//记录异常日志log.error("JSR303参数验证异常{}",exception.getMessage(),errMessage);//解析出异常信息RestErrorResponse restErrorResponse = new RestErrorResponse(errMessage);return restErrorResponse;}

  5. 多个接口共用一个模型类：分组校验 定义一些常用组

    /* @version 1.0* @Author zhaozhixin* @Date 2023/4/17 23:49* @注释 用于分级校验，定义一些常用的组*/
public class ValidationGroups {public interface Insert{};public interface Update{};public interface Delete{};
}

  6. 在模型类的属性的验证注解中增加groups属性：示例

     @NotEmpty(message = "课程名称不能为空",groups ={ValidationGroups.Insert.class} )@NotEmpty(message = "课程名称不能为空",groups ={ValidationGroups.Update.class} )@ApiModelProperty(value = "课程名称", required = true)private String name;

  7. 在接口的@Validated注解中指定是哪个组

    @PostMapping("/course")public CourseBaseInfoDto createCourseBase(@RequestBody @Validated(ValidationGroups.Insert.class) AddCourseDto addCourseDto)
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