JAVAWeb中實現簡單郵箱找回密碼
阿新 • • 發佈：2018-11-27
版權宣告：本文為博主原創文章，未經博主允許不得轉載。https://blog.csdn.net/qq_40348465/article/details/83629000
本文是介紹在一個小的JAVAWeb專案中，利用郵箱幫使用者找回密碼。
效果展示
1.JSP頁面（設定郵箱輸入框）
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>找回密碼-圖書管理系統</title> <link rel="stylesheet" href="bootstrap/css/bootstrap.min.css"> <script type="text/javascript" src="bootstrap/js/bootstrap.min.js"></script> </head> <body> <div style="text-align: center" width="300px" height="200px"> <form action="RetrievePassword.do" method="post"> <input type="email" name="email" id="email" width="100px" height="60px" style="margin-top: 100px" placeholder="請輸入您的郵箱地址" required> <br> <br> <button type="submit" class="btn btn-success" id="button" width="100px" height="60px">找回密碼</button> </form> <br> <br> <button type="button" class="btn btn-primary" id="button" onclick="backLogin()" width="100px" height="60px">返回登入頁面</button> </div> <script type="text/javascript"> function backLogin() { window.location.href = "login.jsp" } </script> </body> </html>
2.Servlet程式碼（根據使用者輸入的郵箱賬號找到使用者，並生成傳送郵件類的例項，再設定收件人和要傳送的內容，最後傳送郵件）
/** * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response) */ protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { //獲取使用者的郵箱 String email = request.getParameter("email"); Admin admin = null; User user = null; PrintWriter out = response.getWriter(); //例項化一個傳送郵件的物件 SendMail mySendMail = new SendMail(); //根據郵箱找到該使用者資訊 admin = adminService.getAdminByEmail(email); if(admin!=null) { //設定收件人和訊息內容 mySendMail.sendMail(email, "圖書管理系統提醒，您的密碼為："+admin.getPassword()); out.println("<script>alert('恭喜，找回密碼成功');window.location.href='login.jsp'</script>"); } else { user = userService.getUserByEmail(email); if(user!=null) { mySendMail.sendMail(email, "圖書管理系統提醒，您的密碼為："+user.getPassword()); out.println("<script>alert('恭喜，找回密碼成功');window.location.href='login.jsp'</script>"); } } out.println("<script>alert('該郵箱尚未註冊！請重新輸入');window.location.href='retrievePassword.jsp'</script>"); }
3.傳送郵件類
package com.bookms.util;
import javax.mail.MessagingException;
import javax.mail.NoSuchProviderException;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import java.util.Date;
import java.util.Properties;
public class SendMail {
// 發件人的郵箱賬號如： 注意此處用的授權碼，需要自己登入郵箱去設定，如163郵箱設定如下：
