<!-- https://mvnrepository.com/artifact/org.hibernate/hibernate-validator -->

        <dependency>

            <groupId>org.hibernate</groupId>

            <artifactId>hibernate-validator</artifactId>

            <version>5.4.1.Final</version>

        </dependency>

public class UserInfo {

    @NotNu1l(message="编号不能为空")

    private Integer user_ id;

    @NotNull

    @Length(min = 2,max = 8,message = "用户名不能少于2位大于8位" )

    private String user. name;

    @Email(message = "邮箱格式不正确")

    private String user. email;

    @Pattern(regexp = "" ,message = "手机号格式不正切")

    private String user. phone;

    private String user_ address;

    @Pattern(regexp =“" ,message =” 身份证号不正确")

    private String user. cardCode;

    //身份证号

    pub1ic Integer getUser_ id() {

        return user_ id;

    }

<form action=" /my/validate" method="post">

    编号: <input type="text" name="user. id"/> <br/>

    姓名: <input type= "text" name="user. name"/>

    <br/>

    邮箱: <input type="text" name="user. email"/> <br/>

    手机号: <input type="text" name="user phone"/> <br/>

    地址: <input type="text" name="user. address"/> <br/>

    身份证号:<input type="text" name="user cardCode"/> <br/>

    <input type="submit" value=" 提交" />

</form>

@RequestMapping("/validate")

    public String validate(@Valid UserInfo info, BindingResult bindingResult){

//如果有异常信息

        if (bindingResult . hasErrors()) {

//获取异常信息对象

            List<0bjectError> errors = bindingResult . getAllErrors();

//将异常信息输出

            for (ObjectError error : errors)

            {

                System. out .println(error . getDefaultMessage());

            }

            System. out . print1n(info. getUser_ email());

            return "index" ;

        }