案例:实现用户注册功能
2021/12/8 23:21:43
本文主要是介绍案例:实现用户注册功能,对大家解决编程问题具有一定的参考价值,需要的程序猿们随着小编来一起学习吧!
一、编写注册页面
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <!DOCTYPE HTML> <html> <head> <title>传智书城注册页面</title> <%--导入css和js --%> <link rel="stylesheet" href="${pageContext.request.contextPath}/client/css/main.css" type="text/css"/> <script type="text/javascript" src="${pageContext.request.contextPath}/client/js/form.js"></script> <script type="text/javascript"> function changeImage() { // 改变验证码图片中的文字 document.getElementById("img").src = "${pageContext.request.contextPath}/imageCode?time=" + new Date().getTime(); } </script> </head> <body class="main"> <!-- 1.网上书城顶部 start --> <%@include file="head.jsp"%> <!-- 网上书城顶部 end --> <!--2. 网上书城菜单列表 start --> <%@include file="menu_search.jsp" %> <!-- 网上书城菜单列表 end --> <!-- 3.网上书城用户注册 start --> <div id="divcontent"> <form action="${pageContext.request.contextPath}/register" method="post" onsubmit="return checkForm();"> <table width="850px" border="0" cellspacing="0"> <tr> <td style="padding: 30px"><h1>新用户注册</h1> <table width="70%" border="0" cellspacing="2" class="upline"> <tr> <td style="text-align: right; width: 20%">邮箱:</td> <td style="width: 40%"> <input type="text" class="textinput" id="email" name="email" onkeyup="checkEmail();"/> </td> <td colspan="2"><span id="emailMsg"></span><font color="#999999">请输入有效的邮箱地址</font></td> </tr> <tr> <td style="text-align: right">用户名:</td> <td><input type="text" class="textinput" id="username" name="username" onkeyup="checkUsername();"/> </td> <td colspan="2"><span id="usernameMsg"></span><font color="#999999">字母数字下划线1到10位, 不能是数字开头</font></td> </tr> <tr> <td style="text-align: right">密码:</td> <td><input type="password" class="textinput" id="password" name="password" onkeyup="checkPassword();"/></td> <td><span id="passwordMsg"></span><font color="#999999">密码请设置6-16位字符</font></td> </tr> <tr> <td style="text-align: right">重复密码:</td> <td> <input type="password" class="textinput" id="repassword" name="repassword" onkeyup="checkConfirm();"/> </td> <td><span id="confirmMsg"></span> </td> </tr> <tr> <td style="text-align: right">性别:</td> <td colspan="2"> <input type="radio" name="gender" value="男" checked="checked" /> 男 <input type="radio" name="gender" value="女" /> 女 </td> <td> </td> </tr> <tr> <td style="text-align: right">联系电话:</td> <td colspan="2"> <input type="text" class="textinput" style="width: 350px" name="telephone" /> </td> <td> </td> </tr> <tr> <td style="text-align: right">个人介绍:</td> <td colspan="2"> <textarea class="textarea" name="introduce"></textarea> </td> <td> </td> </tr> </table> <h1>注册验证</h1> <table width="80%" border="0" cellspacing="2" class="upline"> <tr> <td style="text-align: right; width: 20%">输入验证码:</td> <td style="width: 50%"> <input type="text" class="textinput" /> </td> <td> </td> </tr> <tr> <td style="text-align: right; width: 20%;"> </td> <td rowspan="2" style="width: 50%"> <img src="${pageContext.request.contextPath}/imageCode" width="180" height="30" class="textinput" style="height: 30px;" id="img" /> <a href="javascript:void(0);" onclick="changeImage()">看不清换一张</a> </td> </tr> </table> <table width="70%" border="0" cellspacing="0"> <tr> <td style="padding-top: 20px; text-align: center"> <input type="image" src="images/signup.gif" name="submit" border="0" width="140" height="35"/> </td> </tr> </table> </td> </tr> </table> </form> </div> <!-- 网上书城用户注册 end --> <!--4. 网上书城下方显示 start --> <%@ include file="foot.jsp" %> <!-- 网上书城下方显示 start --> </body> </html>
二、创建RegisterServlet
public class RegisterServlet extends HttpServlet { private static final long serialVersionUID = 1L; public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doPost(request, response); } public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // 将表单提交的数据封装到javaBean User user = new User(); try { BeanUtils.populate(user, request.getParameterMap()); // 封裝激活码 user.setActiveCode(ActiveCodeUtils.createActiveCode()); } catch (IllegalAccessException e) { e.printStackTrace(); } catch (InvocationTargetException e) { e.printStackTrace(); } // 调用service完成注册操作。 UserService service = new UserService(); try { service.register(user); } catch (RegisterException e) { e.printStackTrace(); response.getWriter().write(e.getMessage()); return; } // 注册成功,跳转到registersuccess.jsp response.sendRedirect(request.getContextPath() + "/client/registersuccess.jsp"); return; } }
三、编写Service层方法
public class UserService { private UserDao dao = new UserDao(); // 注册操作 public void register(User user) throws RegisterException { // 调用dao完成注册操作 try { dao.addUser(user); // 发送激活邮件 String emailMsg = "感谢您注册网上书城,点击" + "<a href='http://localhost:8080/itcaststore/activeUser?activeCode=" + user.getActiveCode() + "'> 激活 </a>后使用。" + "<br />为保障您的账户安全,请在24小时内完成激活操作"; MailUtils.sendMail(user.getEmail(), emailMsg); } catch (Exception e) { e.printStackTrace(); throw new RegisterException("注冊失败"); } } }
四、创建邮件工具类
/** * 发送邮件的工具类 */ public class MailUtils { public static void sendMail(String email, String emailMsg) throws AddressException, MessagingException { // 1.创建一个程序与邮件服务器会话对象 Session Properties props = new Properties(); // 设置邮件传输协议为SMTP props.setProperty("mail.transport.protocol", "SMTP"); // 设置SMTP服务器地址 props.setProperty("mail.host", "smtp.sina.com"); // 设置SMTP服务器是否需要用户验证,需要验证设置为true props.setProperty("mail.smtp.auth", "true"); // 创建验证器 Authenticator auth = new Authenticator() { public PasswordAuthentication getPasswordAuthentication() { return new PasswordAuthentication("lxtestemail", "zx123456"); } }; Session session = Session.getInstance(props, auth); // 2.创建一个Message,它相当于是邮件内容 Message message = new MimeMessage(session); message.setFrom(new InternetAddress("lxtestemail@sina.com")); // 设置发送者 message.setRecipient(RecipientType.TO, new InternetAddress(email)); // 设置发送方式与接收者 message.setSubject("用户激活"); // message.setText("这是一封激活邮件,请<a href='#'>点击</a>"); message.setContent(emailMsg, "text/html;charset=utf-8"); // 3.创建 Transport用于将邮件发送 Transport.send(message); } }
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