Spring Boot实现qq邮箱验证码注册和登录验证功能

  
 
  org.springframework.boot
  spring-boot-starter
 

 
  org.springframework.boot
  spring-boot-starter-test
  test
 

 
 
  org.springframework.boot
  spring-boot-starter-web
 

 
  org.springframework.boot
  spring-boot-starter-mail
 

 
 
  org.mybatis.spring.boot
  mybatis-spring-boot-starter
  1.3.2
 

 
 
  mysql
  mysql-connector-java
  8.0.19
 
 
  org.springframework.boot
  spring-boot-starter-jdbc
 

 

#邮箱配置
#平台地址，这里用的是qq邮箱，使用其他邮箱请更换
spring.mail.host = smtp.qq.com
#改成自己的邮箱
spring.mail.username = xxxxx@qq.com
#发送短信后它给你的授权码 填写到这里
spring.mail.password = xxxxxx
#这东西不用改
spring.mail.properties.mail.smtp.ssl.enable=true
##编码格式
spring.mail.default-encoding=UTF-8

#数据库相关配置
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
spring.datasource.url=jdbc:mysql://localhost:3306/email?useSSL=true&characterEncoding=utf-8&serverTimezone=UTC
spring.datasource.username=root
spring.datasource.password=root
 
#配置mapper
mybatis.mapper-locations=classpath:mapper/*.xml

CREATE DATABASE email;

CREATE TABLE `user` (
 `id` int(20) NOT NULL AUTO_INCREMENT,
 `username` varchar(255) NOT NULL,
 `password` varchar(255) NOT NULL,
 `email` varchar(255) NOT NULL,
 PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=6 DEFAULT CHARSET=utf8;

package com.lu.youxiang.controller;

import com.lu.youxiang.service.MailService;
import com.lu.youxiang.vo.UserVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.ResponseBody;

import javax.servlet.http.HttpSession;

@Controller
public class UserController {

 @Autowired
 private MailService mailService;

 @PostMapping("/sendEmail")
 @ResponseBody
 public String sendEmail(String email, HttpSession httpSession){
  mailService.sendMimeMail(email, httpSession);
  return "sucess";
 }

 @PostMapping("/regist")
 @ResponseBody
 public String regist(UserVo userVo, HttpSession session){
  mailService.registered(userVo,session);
  return "sucess";
 }

 @PostMapping("/login")
 @ResponseBody
 public String login(String email, String password){
  mailService.loginIn(email,password);
  return "sucess";
 }
}

package com.lu.youxiang.mapper;

import com.lu.youxiang.pojo.User;
import org.apache.ibatis.annotations.Mapper;
import org.springframework.stereotype.Repository;

@Mapper
@Repository
public interface UserMapper {

 /**
  * 注册，插入数据
  * @param user
  */
 void insertUser(User user);

 /**
  * 根据邮箱查询
  * @param email
  * @return
  */
 User queryByEmail(String email);
}

package com.lu.youxiang.pojo;

public class User {
 private String username;
 private String password;
 private String email;
 
	//get和set方法省略了，自己生成一下

}

package com.lu.youxiang.service;

import com.lu.youxiang.mapper.UserMapper;
import com.lu.youxiang.pojo.User;
import com.lu.youxiang.vo.UserVo;
import com.lu.youxiang.vo.UserVoToUser;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.mail.SimpleMailMessage;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.stereotype.Service;

import javax.servlet.http.HttpSession;
import java.util.Random;

@Service
public class MailService {
 @Autowired
 private JavaMailSender mailSender;//一定要用@Autowired

 @Autowired
 private UserMapper userMapper;//注入UserMapper，交给bena

 //application.properties中已配置的值
 @Value("${spring.mail.username}")
 private String from;

 /**
  * 给前端输入的邮箱，发送验证码
  * @param email
  * @param session
  * @return
  */
 public boolean sendMimeMail( String email, HttpSession session) {
  try {
   SimpleMailMessage mailMessage = new SimpleMailMessage();

   mailMessage.setSubject("验证码邮件");//主题
   //生成随机数
   String code = randomCode();

   //将随机数放置到session中
   session.setAttribute("email",email);
   session.setAttribute("code",code);

   mailMessage.setText("您收到的验证码是："+code);//内容

   mailMessage.setTo(email);//发给谁

   mailMessage.setFrom(from);//你自己的邮箱

   mailSender.send(mailMessage);//发送
   return true;
  }catch (Exception e){
   e.printStackTrace();
   return false;
  }
 }

 /**
  * 随机生成6位数的验证码
  * @return String code
  */
 public String randomCode(){
  StringBuilder str = new StringBuilder();
  Random random = new Random();
  for (int i = 0; i < 6; i++) {
   str.append(random.nextInt(10));
  }
  return str.toString();
 }

 /**
  * 检验验证码是否一致
  * @param userVo
  * @param session
  * @return
  */
 public boolean registered(UserVo userVo, HttpSession session){
  //获取session中的验证信息
  String email = (String) session.getAttribute("email");
  String code = (String) session.getAttribute("code");

  //获取表单中的提交的验证信息
  String voCode = userVo.getCode();

  //如果email数据为空，或者不一致，注册失败
  if (email == null || email.isEmpty()){
   //return "error,请重新注册";
   return false;
  }else if (!code.equals(voCode)){
   //return "error,请重新注册";
   return false;
  }

  //保存数据
  User user = UserVoToUser.toUser(userVo);

  //将数据写入数据库
  userMapper.insertUser(user);

  //跳转成功页面
  return true;
 }

 /**
  * 通过输入email查询password，然后比较两个password，如果一样，登录成功
  * @param email
  * @param password
  * @return
  */

 public boolean loginIn(String email, String password){

  User user = userMapper.queryByEmail(email);

  if(!user.getPassword().equals(password)){
   return false;
  }
  System.out.println("登录成功:数据库密码是："+user.getPassword());
  return true;
 }
}

package com.lu.youxiang.vo;

public class UserVo {
 private String username;

 private String password;

 private String email;
 // 验证码
 private String code;
	
	//省略了get和set方法，自己生成一下
 }

package com.lu.youxiang.vo;

import com.lu.youxiang.pojo.User;

public class UserVoToUser {

 /**
  * 将表单中的对象转化为数据库中存储的用户对象（剔除表单中的code）
  * @param userVo
  * @return
  */
 public static User toUser(UserVo userVo) {

  //创建一个数据库中存储的对象
  User user = new User();

  //传值
  user.setUsername(userVo.getUsername());
  user.setPassword(userVo.getPassword());
  user.setEmail(userVo.getEmail());

  // 返回包装后的对象
  return user;
 }
}

<?xml version="1.0" encoding="UTF-8" ?>



 
  insert into user (username,password,email)
   values (#{username},#{password},#{email})
 

 
  select *
  from user
  where email = #{email}