JavaBean基于注解实现校验

import org.hibernate.validator.constraints.NotBlank;
import org.hibernate.validator.constraints.NotEmpty;

import javax.validation.constraints.*;
import java.io.Serializable;
import java.util.List;

/**
 * @author yanlin
 * @version v1.3
 * @date 2018-10-18 下午3:16
 * @since v8.0
 **/
public class Student implements Serializable {
    private static final long serialVersionUID = 7003907324788760110L;
    @NotBlank(message = "姓名不能为空")
    private String name;
    @Min(value = 2, message = "不能小于2")
    @Max(value = 5, message = "不能大于5")
    private Integer age;
    @NotEmpty(message = "集合不能为空")
    private List<String> stringList;
    @AssertTrue(message = "bool必须为true")
    private Boolean bool;
    @NotNull(message = "对象不能为空")
    private Student student;
    //省略getter setter

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;
import org.hibernate.validator.constraints.NotBlank;
import javax.validation.Valid;


/**
 * @author yanlin
 * @version v1.2
 * @date 2018-08-16 下午2:21
 * @since v8.0
 **/
@SpringBootApplication
@EnableDiscoveryClient
@RestController
//@Validated
public class EurekaClientApp {
    public static void main(String[] args) {
        SpringApplication.run(EurekaClientApp.class, args);
    }


    @RequestMapping(value = "/ClientService/body", method = RequestMethod.POST)
    public void testBodyE(@Valid @RequestBody Student student) {
        System.out.println(student.toString());

    }

@Target({ElementType.TYPE, ElementType.METHOD, ElementType.PARAMETER})
@Retention(RetentionPolicy.RUNTIME)
@Documented
public @interface Validated {

    /**
     * Specify one or more validation groups to apply to the validation step
     * kicked off by this annotation.
     * <p>JSR-303 defines validation groups as custom annotations which an application declares
     * for the sole purpose of using them as type-safe group arguments, as implemented in
     * {@link org.springframework.validation.beanvalidation.SpringValidatorAdapter}.
     * <p>Other {@link org.springframework.validation.SmartValidator} implementations may
     * support class arguments in other ways as well.
     */
    Class<?>[] value() default {};

}
-----------------------------

@Target({ METHOD, FIELD, CONSTRUCTOR, PARAMETER })
@Retention(RUNTIME)
public @interface Valid {
}

/**
 * @author yanlin
 * @version v1.2
 * @date 2018-08-16 下午2:21
 * @since v8.0
 **/
@SpringBootApplication
@EnableDiscoveryClient
@Validated
public class EurekaClientApp {
    public static void main(String[] args) {
        SpringApplication.run(EurekaClientApp.class, args);
    }


    @RequestMapping(value = "/ClientService/body", method = RequestMethod.POST)
    public void testBodyE(@Valid @RequestBody Student student) {
        System.out.println(student.toString());

    }

    @GetMapping("/ClientService/name")
    public String test(@NotBlank(message = "name 不能为空") @RequestParam("name") String name) {
        if (name.equals("1")) {
            throw new ParameterServiceException("这里填写错误代码，规范应是一个枚举", "描述当前错误原因");
        }
        return name;
    }