package entity;

import lombok.Data;
import org.springframework.format.annotation.DateTimeFormat;

import java.util.*;

/**
 * zt
 * 2020/10/9
 * 21:22
 */
@Data
public class User {
    private String username;
    private String password;
    private String email;
    private Integer age;
    //默认是yyyy/MM/dd
//    @DateTimeFormat

    @DateTimeFormat(pattern = "yyyy-MM-dd")
    private Date birthday;

}

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:mvc="http://www.springframework.org/schema/mvc"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans.xsd
         http://www.springframework.org/schema/context
          http://www.springframework.org/schema/context/spring-context.xsd
           http://www.springframework.org/schema/mvc
            http://www.springframework.org/schema/mvc/spring-mvc.xsd">

<!--    包扫描-->
    <context:component-scan base-package="controller"></context:component-scan>

<!--    开启注解驱动-->
    <mvc:annotation-driven/>

<!--视图解析器-->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/"></property>
        <property name="suffix" value=".jsp"></property>
    </bean>


</beans>

//默认是yyyy/MM/dd
    @DateTimeFormat