Spring boot validation校验方法实例

<dependency>

  <groupid>org.springframework.boot</groupid>

  <artifactid>spring-boot-starter-web</artifactid>

</dependency>

@data

@apimodel ( "用户-表单对象" )

public class sportsusercreatform{

  @apimodelproperty (value= "用户唯一标识" ,example = "0" )

  @notnull (groups = {update. class })

  private long id;

  @apimodelproperty (value = "所属机构唯一标识(冗余字段)" , example = "0" )

  private long organizationid;

  @apimodelproperty ( "登录用户名" )

  @notblank (message = "用户名不能为空" )

  @length (max = 10 , message = "用户名最长为10位" )

  private string loginname;

  @apimodelproperty ( "密码" )

  private string password;

  @apimodelproperty ( "手机号" )

  private string phone;

  @apimodelproperty ( "邮箱" )

  private string email;

  @apimodelproperty ( "性别( 'male', 'female' )" )

  @notnull (message = "用户性别不能为空" )

  private sportsuserenumgender gander;

  @apimodelproperty (value = "出生日期-13位时间戳" ,example = "0" )

  private long birthday;

  @apimodelproperty ( "身份证号" )

  private string idnumber;

  @apimodelproperty ( "用户昵称" )

  private string nickname;

}

@postmapping ( "user/add" )

@requiresauthentication

@apioperation ( "添加用户" )

public sportsuser adduser( @validated @requestbody sportsusercreatform user) throws exception{

return userbiz.adduser(user);

}

@slf4j

@order (ordered.highest_precedence)

@restcontrolleradvice

public class globalexceptionadvice {

  @exceptionhandler (methodargumentnotvalidexception. class )

  @responsebody

  public responseentity<object> handlebeanvalidation(httpservletresponse res, methodargumentnotvalidexception e) throws exception{

  res.setstatus(httpstatus.ok.value());

  list<objecterror> errors = e.getbindingresult().getallerrors();

  objecterror error = errors.get( 0 ); // 如果有多个异常,这里只取第一个异常。没有必要把所有异常都抛出（错就是错，第一个校验都没通过，自然也轮不到第二个校验。）

  string json = jsonutils.obj2json(error);

  map map = jsonutils.json2map(json);

  okmessage result = new okmessage();

  result.setmsg( "请求参数错误" e.getbindingresult().getfielderror().getdefaultmessage() + "]" );

  result.setcode( "param-000001" );

  return new responseentity<>(result, httpstatus.ok);

  }

}

import javax.validation.groups. default ;

/**

  * 数据新增分组

  */

public interface create extends default {

}

import javax.validation.groups. default ;

/**

  * 数据更新分组

  */

public interface update extends default {

}

@postmapping ( "user/add" )

@requiresauthentication

@apioperation ( "添加用户" )

public sportsuser adduser( @validated (create. class ) @requestbody sportsusercreatform user) throws exception{

return userbiz.adduser(user);

}

常用的几个:

1 . @notnull ：不能为 null ，但可以为empty( "" , " " , "   " )

2 . @notempty ：不能为 null ，而且长度必须大于 0   ( " " , "  " )

3 . @notblank ：只能作用在string上，不能为 null ，而且调用trim()后，长度必须大于 0 ( "test" )    即：必须有实际字符