在SpringBoot中配置日期格式化的方法详解

package site.exception.springbootdateformat.controller;

import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RestController;
import site.exception.springbootdateformat.entity.User;

/**
 * @time 21:03
 * @discription
 **/
@RestController
public class UserController {

    /**
     * 定义一个创建用户的接口
     * @param user
     * @return
     */
    @PostMapping("/user")
    public String createUser(User user) {
        // 打印创建时间
        System.out.println(user.getCreateTime().toString());
        return "Create user success !";
    }
}

package site.exception.springbootdateformat.entity;

import java.io.Serializable;
import java.util.Date;

/**
 * @time 21:00
 * @discription
 **/
public class User implements Serializable {
    /**
     * 用户名
     */
    private String username;
    /**
     * 密码
     */
    private String password;
    /**
     * 创建时间
     */
    private Date createTime;

    public String getUsername() {
        return username;
    }

    public void setUsername(String username) {
        this.username = username;
    }

    public String getPassword() {
        return password;
    }

    public void setPassword(String password) {
        this.password = password;
    }

    public Date getCreateTime() {
        return createTime;
    }

    public void setCreateTime(Date createTime) {
        this.createTime = createTime;
    }
}

package site.exception.springbootdateformat.config;

import org.springframework.context.annotation.Configuration;
import org.springframework.format.FormatterRegistry;
import org.springframework.format.datetime.DateFormatter;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;


/**
 * @author www.exception.site (exception 教程网)
 * @date 2019/2/16
 * @time 20:55
 * @discription
 **/
@Configuration
public class MvcConfig implements WebMvcConfigurer {

    /**
     * 配置日期格式化
     * @param registry
     */
    @Override
    public void addFormatters(FormatterRegistry registry) {
        registry.addFormatter(new DateFormatter("yyyy-MM-dd HH:mm:ss"));
    }
}