spring 项目中使用 hibernate validator验证输入…

<dependency>
    <groupId>org.hibernate.validator</groupId>
    <artifactId>hibernate-validator-modules</artifactId>
    <version>6.0.13.Final</version>
</dependency>

import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;
import javax.validation.Valid;
import javax.validation.constraints.NotBlank;
import javax.validation.constraints.NotEmpty;
import javax.validation.constraints.NotNull;
import java.util.List;


@Data
@AllArgsConstructor
@NoArgsConstructor
@Builder
public class RequestParamBase {
    @NotBlank(message = "name 不能为空")
    private String name;

    @NotEmpty(message = "fruits 不能为空")
    @Valid
    private List<Fruit> fruits;

}


import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import javax.validation.constraints.NotBlank;
import javax.validation.constraints.NotNull;

@AllArgsConstructor
@NoArgsConstructor
@Data
public class Fruit {
    @NotBlank(message = "color 不能为空")
    private String color;
    @NotNull(message = "price 不能为空")
    private Integer price;
}

import org.springframework.validation.BindingResult;
import org.springframework.validation.ObjectError;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;
import javax.validation.Valid;

@RequestMapping(value = "/student/1", method = RequestMethod.POST)
    public Response getStudent(@RequestBody @Valid RequestParamBase paramBase, BindingResult validResult) {
        if (validResult.hasErrors()) {
            for(ObjectError error : validResult.getAllErrors()) {
                System.out.println(error.getDefaultMessage());
            }
            return null;
        }
        System.out.println(paramBase);
        Response result = Response.builder().age(23).name("well").build();
        return result;
    }

import org.hibernate.validator.HibernateValidator;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import javax.validation.Validation;
import javax.validation.Validator;
import javax.validation.ValidatorFactory;

@Configuration
public class ValidConfig {

    @Bean
    public Validator validator() {
        ValidatorFactory validatorFactory = Validation.byProvider(HibernateValidator.class)
                .configure()
                .addProperty("hibernate.validator.fail_fast", "true")
                .buildValidatorFactory();
        Validator validator = validatorFactory.getValidator();
        return validator;
    }
}

public void test()(@RequestBody @Valid DemoModel demo, BindingResult result,@RequestBody @Valid DemoModel demo2, BindingResult result2)