spring validate 验证List集合
 
 演示用类User/Address
import lombok.Data;
import javax.validation.constraints.NotEmpty;
import javax.validation.constraints.Pattern;
import java.io.Serializable;
/**
 * @Description:  地址
 * 
 * @author lee
 * @date 2020/7/16 9:28
 */
@Data
public class Address implements Serializable {
    @NotEmpty
    String detail;
    @Pattern(regexp = "$[0-9]{6}$",message = "邮编格式不正确,邮政编码为6位数字")
    String postCode;
}
import lombok.Data;
import javax.validation.Valid;
import javax.validation.constraints.NotEmpty;
import javax.validation.constraints.Size;
import javax.validation.constraints.NotNull;
import java.io.Serializable;
import java.util.List;
/**
 * @Description:  用户
 * 
 * @author lee
 * @date 2020/7/16 9:27
 */
@Data
public class User implements Serializable {
    @NotEmpty
    String name;
    @NotNull
    Integer age;
    /**
     * 注意,如果不添加@Size(min = 1)则表示addresses可以为空,
     * 添加后就必须至少有一个元素,需要验证List集合内的元素需要添加@Valid,参考
     * @see javax.validation.Valid
     * @see javax.validation.constraints.NotEmpty
     */
    @Size(min = 1)
    @Valid
    List<Address> addresses;
}
 校验controller
    /***
     * 验证测试
     *
     * @param user
     * @return
     */
    @PostMapping("/save")
    public Object save(@RequestBody @Valid User user){
        return "success";
    }
 运行调试结果:
 
 
 
 已经完成List集合校验,并显示了验证错误信息。
 
  
https://www.leftso.com/article/1015.html
 
                