Spring44 - 基于方法实现校验

基于方法实现校验

第一步 创建配置类，配置MethodValidationPostProcessor

import org.springframework.validation.beanvalidation.LocalValidatorFactoryBean;
import org.springframework.validation.beanvalidation.MethodValidationPostProcessor;

@Configuration
@ComponentScan("com.atguigu.spring6.validation.method3")
public class ValidationConfig {

    @Bean
    public MethodValidationPostProcessor validationPostProcessor() {
        return new MethodValidationPostProcessor();
    }
}

第二步 创建实体类，使用注解设置校验规则

import jakarta.validation.constraints.*;

public class User {

    @NotNull
    private String name;

    @Min(0)
    @Max(120)
    private int age;

    @Pattern(regexp = "^1(3|4|5|7|8)\\d{9}$",message = "手机号码格式错误")
    @NotBlank(message = "手机号码不能为空")
    private String phone;

    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public int getAge() {
        return age;
    }
    public void setAge(int age) {
        this.age = age;
    }
    public String getPhone() {
        return phone;
    }
    public void setPhone(String phone) {
        this.phone = phone;
    }
}

第三步 定义Service类，通过注解操作对象

import jakarta.validation.Valid;
import jakarta.validation.constraints.NotNull;
import org.springframework.stereotype.Service;
import org.springframework.validation.annotation.Validated;

@Service
@Validated
public class MyService {
    
    public String testParams(@NotNull @Valid User user) {
        return user.toString();
    }

}

第四步 测试

import org.junit.jupiter.api.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;

public class TestMethod3 {

    @Test
    public void testMyService1() {
        ApplicationContext context = new AnnotationConfigApplicationContext(ValidationConfig.class);
        MyService myService = context.getBean(MyService.class);
        User user = new User();
        user.setAge(-1);
        myService.testParams(user);
    }
}