SpringBoot實現QQ郵箱註冊和登錄詳解

點擊上方 springmeng ，選擇 星標 公眾號

來自：blog.csdn.net/qq_42524288

1、登錄註冊思路
這是一個使用spring boot做的一個qq郵箱註冊和登錄的項目。
沒寫前端頁面，使用postman測試。有截圖詳細。1.1、思路註冊：通過輸入的郵箱發送驗證碼，檢驗前端傳來的驗證碼是否和後臺生成的一致，若一致，將數據寫入資料庫，完成註冊；登錄：通過輸入的郵箱查詢密碼，然後比較密碼是否一致，一致就是登錄成功。1.2、整個項目結構圖2、準備2.1、開啟郵箱POP3/SMTP服務登錄qq郵箱後，點擊左上方的設置，選擇帳戶，如下圖。然後一直往下滑，看到如下圖的POP3/SMTP服務，點擊開啟，應該會讓幫定的手機號發個簡訊，然後會收到一個授權碼，一定要好好保存，在appliction.properties配置中會用到。2.2、創建一個spring boot項目的時候，一直確認，jdk選擇8。下邊是pom.xml中<dependencies>標籤的全部依賴

         <dependencies>       <dependency>           <groupId>org.springframework.boot</groupId>           <artifactId>spring-boot-starter</artifactId>       </dependency>
       <dependency>           <groupId>org.springframework.boot</groupId>           <artifactId>spring-boot-starter-test</artifactId>           <scope>test</scope>       </dependency>
              <dependency>           <groupId>org.springframework.boot</groupId>           <artifactId>spring-boot-starter-web</artifactId>       </dependency>
       <dependency>           <groupId>org.springframework.boot</groupId>           <artifactId>spring-boot-starter-mail</artifactId>       </dependency>
              <dependency>           <groupId>org.mybatis.spring.boot</groupId>           <artifactId>mybatis-spring-boot-starter</artifactId>           <version>1.3.2</version>       </dependency>
              <dependency>           <groupId>mysql</groupId>           <artifactId>mysql-connector-java</artifactId>           <version>8.0.19</version>       </dependency>       <dependency>           <groupId>org.springframework.boot</groupId>           <artifactId>spring-boot-starter-jdbc</artifactId>       </dependency>
    </dependencies>
2.3、application.properties配置文件application.properties配置文件
#郵箱配置#平臺地址，這裡用的是qq郵箱，使用其他郵箱請更換spring.mail.host = smtp.qq.com#改成自己的郵箱spring.mail.username = [e-mail]#發送簡訊後它給你的授權碼 填寫到這裡spring.mail.password = xxxxxx#這東西不用改spring.mail.properties.mail.smtp.ssl.enable=true##編碼格式spring.mail.default-encoding=UTF-8
#資料庫相關配置spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driverspring.datasource.url=jdbc:mysql:spring.datasource.username=rootspring.datasource.password=root        #配置mappermybatis.mapper-locations=classpath:mapper
2.4、創建資料庫資料庫結構如下圖
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;

3、全部代碼類如最上邊的項目結構圖。controller包是和前端對接的，mapper包中是接口，pojo是實體類，service層是邏輯代碼，vo包是前端發送數據暫時保存。執行流程： 使用postman發送請求，controller中會接受，然後調用service中的邏輯代碼，service會調用的mapper中接口，mapper的對應的xml實現對資料庫的各種操作。
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;
@Controllerpublic 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@Repositorypublic interface UserMapper {
        void insertUser(User user);
        User queryByEmail(String email);}
package com.lu.youxiang.pojo;
public class User {    private String username;    private String password;    private String email;      
}
3.4、MailService.java ，重要。
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;
@Servicepublic class MailService {    @Autowired    private JavaMailSender mailSender;
    @Autowired    private UserMapper userMapper;
        @Value("${spring.mail.username}")    private String from;
        public boolean sendMimeMail( String email, HttpSession session) {        try {            SimpleMailMessage mailMessage = new SimpleMailMessage();
            mailMessage.setSubject("驗證碼郵件");                        String code = randomCode();
                        session.setAttribute("email",email);            session.setAttribute("code",code);
            mailMessage.setText("您收到的驗證碼是："+code);
            mailMessage.setTo(email);
            mailMessage.setFrom(from);
            mailSender.send(mailMessage);            return  true;        }catch (Exception e){            e.printStackTrace();            return false;        }    }
        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();    }
        public boolean registered(UserVo userVo, HttpSession session){                String email = (String) session.getAttribute("email");        String code = (String) session.getAttribute("code");
                String voCode = userVo.getCode();
                if (email == null || email.isEmpty()){                        return false;        }else if (!code.equals(voCode)){                        return false;        }
                User user = UserVoToUser.toUser(userVo);
                userMapper.insertUser(user);
                return true;    }
    
    public boolean loginIn(String email, String password){
        User user = userMapper.queryByEmail(email);
        if(!user.getPassword().equals(password)){            return false;        }        System.out.println("登錄成功:資料庫密碼是："+user.getPassword());        return true;    }}
package com.lu.youxiang.vo;
public class UserVo {    private String username;
    private String password;
    private String email;        private String code;     }
package com.lu.youxiang.vo;
import com.lu.youxiang.pojo.User;
public class UserVoToUser {
        public static User toUser(UserVo userVo) {
                User user = new User();
                user.setUsername(userVo.getUsername());        user.setPassword(userVo.getPassword());        user.setEmail(userVo.getEmail());
                return user;    }}
主配置類不複製了，創建springboot項目後，就有。3.7、UserMapper.xml
在resources包下創建mapper包，用來放xml，然後再這個包中創建UserMapper.xml，內容如下。
<?xml version="1.0" encoding="UTF-8" ?><!DOCTYPE mapper        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"        "http://mybatis.org/dtd/mybatis-3-mapper.dtd"><mapper namespace="com.lu.youxiang.mapper.UserMapper">
    <insert id="insertUser" parameterType="com.lu.youxiang.pojo.User">        insert into user (username,password,email)         values (#{username},#{password},#{email})    </insert>
    <select id="queryByEmail" resultType="com.lu.youxiang.pojo.User">        select *        from user        where email = #{email}    </select>
</mapper>

4、使用postman測試如果沒有這個軟體，安裝一下，使用很簡單。
打開後，點擊左上角的file，再點擊New Tab，就會出來一個頁面。
（或者使用Ctrl+T快捷鍵）4.1、測試發送郵件http://localhost:8080/sendEmail?email=[e-mail]把請求url複製到如下如的url中， 郵箱換成自己的，請求方式換成POST。點擊send。
如下圖4.2、測試註冊http://localhost:8080/regist把請求url複製到如下如的url中， 郵箱換成自己的，code的值寫郵箱收到的，請求方式換成POST。點擊send，如下圖
4.3、測試登錄http://localhost:8080/login?email=[e-mail]&password=12345如下圖
往期相關閱讀