JavaMail帐号激活与忘记密码实例源码

package org.study.accountactivate.web.servlet; import java.io.IOException; import java.util.HashMap; import java.util.Map; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.study.accountactivate.dao.UserDao; import org.study.accountactivate.dao.impl.UserDaoImpl; import org.study.accountactivate.domail.User; import org.study.accountactivate.util.EmailUtils; /** * 用户注册 */ public class RegisterServlet extends HttpServlet { private static final long serialVersionUID = 1L; private UserDao userDao = UserDaoImpl.getInstance(); protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doPost(request, response); } protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String userName = request.getParameter("userName"); String password = request.getParameter("password"); String password2 = request.getParameter("password2"); String email = request.getParameter("email"); Map<String, String> errors = new HashMap<String,String>(); if (userName == null || "".equals(userName)) { errors.put("userName", "用户名不能为空!"); } else if (userName != null && userDao.findUserByName(userName) != null) { errors.put("userName", "该用户已注册!"); } if (password == null || "".equals(password)) { errors.put("password","密码不能为空!"); } else if (password != null && password.length() < 3) { errors.put("password","密码长度不能低于3位!"); } if (password2 == null || "".equals(password2)) { errors.put("password2", "确认密码不能为空!"); } else if (password2 != null && !password2.equals(password)) { errors.put("password2", "两次输入的密码不一致!"); } if (email == null || "".equals(email)) { errors.put("email", "email不能为空!"); } else if (email != null && !email.matches("[0-9a-zA-Z_-]+@[0-9a-zA-Z_-]+\\.[0-9a-zA-Z_-]+(\\.[0-9a-zA-Z_-])*")) { errors.put("email", "email格式不正确!"); } if (!errors.isEmpty()) { request.setAttribute("errors", errors); request.getRequestDispatcher("/registerUI").forward(request, response); return; } User user = new User(); user.setUserName(userName); user.setPassword(password); user.setEmail(email); user.setActivated(false); userDao.addUser(user); // 注册成功后,发送帐户激活链接 EmailUtils.sendAccountActivateEmail(user); // 注册成功直接将当前用户保存到session中 request.getSession().setAttribute("user", user); request.getRequestDispatcher("/WEB-INF/pages/registerSuccess.jsp").forward(request,response); } }