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用springboot写的。
输入密码和用户名,再输入邮箱。点击发送,发给你验证码,输入正确的验证码。然后数据库自动记录你的用户名和密码。
写的不好请见谅,适合新手练手。
还有一个问题,就是前端向后端发送用户密码的时候,不安全。这里需要解决。网上说是要写加密算法
数据里面保存用户名和密码,主键是java 自动生成的一个序列。
package wkp.myspringdemo.bean; import javax.persistence.GeneratedValue; import javax.persistence.Id; import javax.persistence.MappedSuperclass; @MappedSuperclass public class BaseBean { /** * 自增长ID,作为主键 */ @Id @GeneratedValue private Long id; }
用户类。
package wkp.myspringdemo.bean; import javax.persistence.*; @Entity @Table(name = "user1") public class User1 extends BaseBean{ private String name; private String password; public String getName() { return name; } public String getPassword() { return password; } public void setName(String name) { this.name = name; } public void setPassword(String password) { this.password = password; } }
package wkp.myspringdemo.bean;
public class UserMail {
private String qqmail;
public String getQqmail() {
return qqmail;
}
public void setQqmail(String qqmail) {
this.qqmail = qqmail;
}
}
package wkp.myspringdemo.service; public interface IMailService { /** * 发送文本邮件 * @param to 收件人 * @param subject 主题 * @param content 内容 */ void sendSimpleMail(String to, String subject, String content); // /** // * 发送HTML邮件 // * @param to 收件人 // * @param subject 主题 // * @param content 内容 // */ // public void sendHtmlMail(String to, String subject, String content); // // // // /** // * 发送带附件的邮件 // * @param to 收件人 // * @param subject 主题 // * @param content 内容 // * @param filePath 附件 // */ // public void sendAttachmentsMail(String to, String subject, String content, String filePath); }
package wkp.myspringdemo.service; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Value; import org.springframework.core.io.FileSystemResource; import org.springframework.mail.SimpleMailMessage; import org.springframework.mail.javamail.JavaMailSender; import org.springframework.mail.javamail.MimeMessageHelper; import org.springframework.stereotype.Service; import wkp.myspringdemo.service.IMailService; import javax.mail.MessagingException; import javax.mail.internet.MimeMessage; import java.io.File; @Service public class IMailServiceImpl implements IMailService { private final Logger logger = LoggerFactory.getLogger(this.getClass()); /** * Spring Boot 提供了一个发送邮件的简单抽象,使用的是下面这个接口,这里直接注入即可使用 */ @Autowired private JavaMailSender mailSender; /** * 配置文件中我的qq邮箱 */ @Value("${spring.mail.from}") private String from; /** * 简单文本邮件 * @param to 收件人 * @param subject 主题 * @param content 内容 */ @Override public void sendSimpleMail(String to, String subject, String content) { //创建SimpleMailMessage对象 SimpleMailMessage message = new SimpleMailMessage(); //邮件发送人 message.setFrom(from); //邮件接收人 message.setTo(to); //邮件主题 message.setSubject(subject); //邮件内容 message.setText(content); //发送邮件 mailSender.send(message); } // // /** // * html邮件 // * @param to 收件人 // * @param subject 主题 // * @param content 内容 // */ // @Override // public void sendHtmlMail(String to, String subject, String content) { // //获取MimeMessage对象 // MimeMessage message = mailSender.createMimeMessage(); // MimeMessageHelper messageHelper; // try { // messageHelper = new MimeMessageHelper(message, true); // //邮件发送人 // messageHelper.setFrom(from); // //邮件接收人 // messageHelper.setTo(subject); // //邮件主题 // message.setSubject(subject); // //邮件内容,html格式 // messageHelper.setText(content, true); // //发送 // mailSender.send(message); // //日志信息 // logger.info("邮件已经发送。"); // } catch (MessagingException e) { // logger.error("发送邮件时发生异常!", e); // } // } // // /** // * 带附件的邮件 // * @param to 收件人 // * @param subject 主题 // * @param content 内容 // * @param filePath 附件 // */ // @Override // public void sendAttachmentsMail(String to, String subject, String content, String filePath) { // MimeMessage message = mailSender.createMimeMessage(); // try { // MimeMessageHelper helper = new MimeMessageHelper(message, true); // helper.setFrom(from); // helper.setTo(to); // helper.setSubject(subject); // helper.setText(content, true); // // FileSystemResource file = new FileSystemResource(new File(filePath)); // String fileName = filePath.substring(filePath.lastIndexOf(File.separator)); // helper.addAttachment(fileName, file); // mailSender.send(message); // //日志信息 // logger.info("邮件已经发送。"); // } catch (MessagingException e) { // logger.error("发送邮件时发生异常!", e); // } // // // } }
package wkp.myspringdemo.service; import wkp.myspringdemo.bean.User1; import java.util.List; public interface UserService { /** * 保存用户对象 * @param user */ void save(User1 user); /** * 获取所有用户对象 * @return */ List<User1> getUserList(); //生成随机验证码 String getRandomString(); }
package wkp.myspringdemo.service; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import wkp.myspringdemo.bean.User1; import wkp.myspringdemo.dao.UserDao; import java.util.List; import java.util.Random; @Service public class UserServiceImpl implements UserService { @Autowired private UserDao userDao; @Override public void save(User1 user) { userDao.save(user); } @Override public List<User1> getUserList() { return userDao.findAll(); } public String getRandomString(){ Random random = new Random(); StringBuilder builder = new StringBuilder(); builder.append(random.nextInt(9)+1).append(random.nextInt(9)+1).append(random.nextInt(9)+1).append(random.nextInt(9)+1); return builder.toString(); } }
package wkp.myspringdemo.controller; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.ResponseBody; import wkp.myspringdemo.service.IMailService; import wkp.myspringdemo.bean.User1; import wkp.myspringdemo.bean.UserMail; import wkp.myspringdemo.service.UserService; @Controller public class UserController { @Autowired private UserService userService; @Autowired IMailService mailService; String code; @RequestMapping("/sentMail") @ResponseBody public void sentMail(UserMail mail){ code=userService.getRandomString(); mailService.sendSimpleMail(mail.getQqmail(),"测试",code); } @RequestMapping("/mail") //注册界面 public String mail(){ return "mail"; } //保存用户到数据库 @RequestMapping("/register") @ResponseBody public boolean register(User1 user){ userService.save(user); return true; } //验证输入的验证码正确与否 @RequestMapping("/verifyCode") @ResponseBody public boolean verifyCode(String input){ int ans= input.compareTo(code); return ans==0?true:false; } }
<!DOCTYPE html> <html lang="en" xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org" > <head> <meta charset="UTF-8"> <title>邮箱验证</title> <script src="https://lib.sinaapp.com/js/jquery/2.0.2/jquery-2.0.2.min.js"></script> </head> 用户名:<input type="text" id="name"><br/> 密码:<input type="password" id="password"><br/> 确认密码:<input type="password" id="password2"><br/> 邮箱: <input type="text" name="qqmail" id="qqmail"><br/> <button onclick="sendMail()">发送</button> <br/> 验证码:<input type="text" id="code"><br/> <button onclick="codeVerify()">确认</button> <script> var issend=false; function sendMail() { var qqmail=$("#qqmail").val(); var reg = /^[0-9a-zA-Z_.-]+[@][0-9a-zA-Z_.-]+([.][a-zA-Z]+){1,2}$/; if(!reg.test(qqmail)){ alert("输入的邮箱不正确,请重新输入"); return; } $.post("sentMail",{qqmail:qqmail},function () { document.getElementsByTagName("button")[0].innerText="已发送,请注意查收"; issend=true; }); }; function codeVerify() { if(!issend) return; var password2=$("#password2").val(); var inputcode=$("#code").val(); var name=$("#name").val(); if(password2==$("#password").val()){ $.post("verifyCode",{input:inputcode},function (res) { if(res){ $.post("register",{name:name,password:password2},function (ans) { alert("注册成功。请重新登录"); // window.location="/logup"; }); }else alert("验证码不正确"); }); }else alert("两次输入的密码不一致"); }; </script> </body> </html>
输入localhost\mail
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