登录之找回密码-java发送邮件
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找回密码整体思路//当点击找回密码的时候：<a href="/login/forgot" target="_blank" id="btnForget" style="color: black; text-decoration: none;">找回密码</a>//请求后台（login.java）返回页面（forgotPwd.ftl）@RequestMapping("/forgot")public String forgot(HttpSession session, HttpServletRequest request,ModelMap map) {return "main/forgotPwd";}//跳转到找回密码页面：(forgotPwd.ftl)<!DOCTYPE html><html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><meta name="renderer" content="webkit"><meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>重置密码申请</title></head><body><div class="container-fluid"><div class="row"><div class="col-md-12"><form class="form-horizontal" role="form"> <fieldset style="width:60%;margin:20px auto;"> <legend><h3><span style="color:red;">重置密码申请</span></h3></legend> <div class="form-group" style="width:100%;margin:20px auto;margin-top:50px;"> <label class="col-sm-3 control-label" for="email">邮箱：</label> <div class="col-sm-5"> <input type="text" class="form-control" id="email" placeholder="请输入您帐号所绑定的邮箱"/> </div> <div class="col-sm-4"> <label id="j-msg" class="login-msg"></label> </div> </div> </fieldset> </form></div></div><div class="row"><div class="col-md-12" style="margin:0 auto;margin-top:50px;"> <form class="form-horizontal" role="form"> <div class="form-group" style="width:60%;margin:0 auto;"> <div style="float:right;"> <button type="button" class="btn btn-primary btn-lg" style="width:200px;" id="btnSave">发送邮件</button> </div> </div> </form> </div> </div></div></body><script type="text/javascript">$(function() {$('#btnSave').click(function() {var email = $('#email').val();var regex = /^([0-9A-Za-z\-_\.]+)@([0-9a-z]+\.[a-z]{2,3}(\.[a-z]{2})?)$/g;if(email != 'undefined' && email.length<=0) {$("#j-msg").html("请输入e-mail地址");return false;}else if(!regex.test(email)) {$("#j-msg").html("e-mail地址不正确！");}else {$("#j-msg").html('');}$.ajax({type : 'get',url : '${request.contextPath}/login/sendMail',//请求后台接口data : {'email':email},//获取输入的邮箱地址dataType : 'json',async : false,success : function(data) {//0-发送失败1-发送成功2-无此用户if(data == '1') {$.messager.alert('提示','邮件发送成功，请注意查收！','info',function() { $('#email').val(''); });}else if(data == '0') {$.messager.alert('提示','邮件发送失败！','info',function() { $('#email').val(''); });}else if(data.key == '2') {$.messager.alert('提示','此用户不存在，请确认！','info',function() { $('#email').val(''); });}}});});})</script></html>//根据ajax请求后台的请求后台（login.java）的sendMail方法。@ResponseBody@RequestMapping("/sendMail")public String sendMail(String email, HttpServletRequest request) {// 0-发送失败 1-发送成功 2-无此用户if (StrUtil.isBlank(email)) {//email为“”或者为null走ifreturn "2";}String query = "SELECT * from sys_user WHERE email = '" + email + "'";//根据邮箱查询用户表是否有该用户List<SysUser> users = sqlMapper.selectList(query, SysUser.class);if (null != users && users.size() > 0) {SysUser user = users.get(0);if (null != user) {try {String secretKey = UUID.randomUUID().toString(); // 密钥Timestamp outDate = new Timestamp(System.currentTimeMillis() + 30 * 60 * 1000); // 30分钟后过期long date = outDate.getTime() / 1000 * 1000; // 忽略毫秒数user.setValidatecode(secretKey);//Validatecode秘钥user.setOutdate(outDate.toString());//outDate过期时间sysUserMapper.updateByPrimaryKey(user); // 更新用户数据String key = user.getLoginname() + "$" + date + "$"+ secretKey;EmailUtils.sendResetPasswordEmail(user, key, request);} catch (Exception e) {e.printStackTrace();return "0";}}} else {return "2";}return "1";}EmailUtils工具类package com.zhiming.util.mails;import java.io.IOException;import java.io.InputStream;import java.sql.Timestamp;import java.util.Date;import java.util.Properties;import java.util.UUID;import javax.mail.Authenticator;import javax.mail.Message.RecipientType;import javax.mail.PasswordAuthentication;import javax.mail.Session;import javax.mail.Transport;import javax.mail.internet.InternetAddress;import javax.mail.internet.MimeMessage;import javax.servlet.http.HttpServletRequest;public class EmailUtils {static String FROM = "";static String PWD = "";static {Properties prop = new Properties();InputStream is = EmailUtils.class.getResourceAsStream("eamil.properties");try {prop.load(is);FROM = prop.getProperty("username");//邮件服务器用户名PWD = prop.getProperty("password");//邮件服务器密码}catch(Exception e) {e.printStackTrace();}}/** * 注册成功后,向用户发送帐户激活链接的邮件 * @param user 未激活的用户 */public static void sendAccountActivateEmail(SysUser user) {Session session = getSession();MimeMessage message = new MimeMessage(session);try {message.setSubject("帐户激活邮件");message.setSentDate(new Date());message.setFrom(new InternetAddress(FROM));message.setRecipient(RecipientType.TO, new InternetAddress(user.getEmail()));message.setContent("<a href='" + GenerateLinkUtils.generateActivateLink(user)+"'>点击激活帐户</a>","text/html;charset=utf-8");// 发送邮件Transport.send(message);} catch (Exception e) {e.printStackTrace();}}/** * 发送重设密码链接的邮件 * SysUser user 用户实体 */public static void sendResetPasswordEmail(SysUser user,String key,HttpServletRequest request) {Session session = getSession();MimeMessage message = new MimeMessage(session);///生成消息体try {message.setSubject("找回您的密码");// 设置邮件主题 message.setSentDate(new Date());message.setFrom(new InternetAddress(FROM));message.setRecipient(RecipientType.TO, new InternetAddress(user.getEmail()));message.setContent("请勿回复本邮件, 重置密码请使用以下链接:<br/><a href='" + GenerateLinkUtils.generateResetPwdLink(user,key,request) +"'>点击重新设置密码</a>" + "<br/>此邮件不用回复，若非本人操作,请忽略！<br/>本邮件超过30分钟,链接将会失效，需要重新申请'找回密码'","text/html;charset=utf-8");// 发送邮件Transport.send(message);} catch (Exception e) {e.printStackTrace();}}public static Session getSession() {Properties props = new Properties();props.setProperty("mail.transport.protocol", "smtp");props.setProperty("mail.smtp.host", "smtp.163.com");props.setProperty("mail.smtp.port", "25");props.setProperty("mail.smtp.auth", "true");Session session = Session.getInstance(props, new Authenticator() {@Overrideprotected PasswordAuthentication getPasswordAuthentication() {return new PasswordAuthentication(FROM, PWD);}});return session;}}//GenerateLinkUtils工具类，点击右键链接时调用generateResetPwdLink方法。package com.zhiming.util.mails;import java.security.MessageDigest;import java.security.NoSuchAlgorithmException;import javax.servlet.ServletRequest;import javax.servlet.http.HttpServletRequest;/** * 生成帐户激活、重新设置密码的链接 */public class GenerateLinkUtils {private static final String CHECK_CODE = "checkCode";/** * 生成重置密码的链接 */public static String generateResetPwdLink(SysUser user,String key,HttpServletRequest request) {String digitalSignature = md5(key);//数字签名String serverName = request.getServerName();int serverPort = request.getServerPort();return "http://" + serverName + ":" + serverPort +request.getContextPath()+"/login/change?uuid=" + user.getCheckid() + "&sid=" + digitalSignature;}//md5加密public static String md5(String string) {MessageDigest md = null;try {md = MessageDigest.getInstance("md5");md.update(string.getBytes());byte[] md5Bytes = md.digest();return bytes2Hex(md5Bytes);} catch (NoSuchAlgorithmException e) {e.printStackTrace();}return null;}private static String bytes2Hex(byte[] byteArray){StringBuffer strBuf = new StringBuffer();for (int i = 0; i < byteArray.length; i++){if(byteArray[i] >= 0 && byteArray[i] < 16){strBuf.append("0");}strBuf.append(Integer.toHexString(byteArray[i] & 0xFF));}return strBuf.toString();}}@RequestMapping("/change")public String change(HttpSession session, HttpServletRequest request,ModelMap map) {Map<String, Object> maps = new HashMap<String, Object>();String uuid = request.getParameter("uuid");String sid = request.getParameter("sid");if (StrUtil.isNotBlank(uuid)) {session.setAttribute("check", uuid);}if (StrUtil.isBlank(sid)) {maps.put("result", "找回密码链接已失效！");return "main/error";}String sql = "SELECT * from sys_user WHERE checkid = '" + uuid + "'";SysUser user = sqlMapper.selectOne(sql, SysUser.class);if (null == user) {maps.put("result", "链接错误,无法找到匹配用户,请重新申请找回密码！");return "main/error";}String outDate = user.getOutdate();Timestamp od = Timestamp.valueOf(outDate);if (od.getTime() <= System.currentTimeMillis()) {map.put("result", "链接已经过期,请重新申请找回密码！");return "main/error";}return "main/changePwd";}跳转到修改密码界面（changePwd.ftl）<!DOCTYPE html><html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><meta name="renderer" content="webkit"><meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>重置密码申请</title><style type="text/css">.login-msg {color:#FF8000;background:url(${request.contextPath}/resources/common/images/icon_wrong.png) left center no-repeat;padding-left:20px;}</style></head><body><div class="container-fluid"><div class="row"><div class="col-md-12"><form class="form-horizontal" role="form"> <fieldset style="width:60%;margin:20px auto;"> <legend><h3><span style="color:red;">重置密码申请</span></h3></legend> <div class="form-group" style="width:100%;margin:20px auto;margin-top:50px;"> <label class="col-sm-3 control-label" for="pwd">新密码：</label> <div class="col-sm-5"> <input type="password" class="form-control" id="pwd" placeholder="请输入新密码"/> </div> <div class="col-sm-4"> <label id="j-msg" class="login-msg"></label> </div> </div> <div class="form-group" style="width:100%;margin:20px auto;"> <label class="col-sm-3 control-label" for="newPwd">确认密码：</label> <div class="col-sm-5"> <input type="password" class="form-control" id="newPwd" placeholder="请输入确认密码"/> </div> <div class="col-sm-4"> <label id="j-msg-r" class="login-msg"></label> </div> </div> </fieldset> </form></div></div><div class="row"><div class="col-md-12" style="margin:0 auto;margin-top:50px;"> <form class="form-horizontal" role="form"> <div class="form-group" style="width:60%;margin:0 auto;"> <div style="float:right;"> <button type="button" class="btn btn-primary btn-lg" style="width:200px;" id="btnReset">重置表单</button> <button type="button" class="btn btn-primary btn-lg" style="width:200px;" id="btnSave">保存密码</button> </div> </div> </form> </div> </div></div></body><script type="text/javascript">var clearBox = function() {$('#pwd').val('');$('#newPwd').val('');$("#j-msg").html('');$("#j-msg-r").html('');}$(function() {$('#btnReset').click(function() {clearBox();});$('#btnSave').click(function() {var pwd = $('#pwd').val();var newPwd = $('#newPwd').val();var regex = new RegExp(/[A-Za-z].*[0-9]|[0-9].*[A-Za-z]/g);if(pwd != 'undefined' && pwd.length<=0) {$("#j-msg").html("请输入新密码");return false;}else if(pwd.length<6 || pwd.length>10) {$("#j-msg").html("密码长度为6-10位！");return false;}else if(!regex.test(pwd)) {$("#j-msg").html("密码必须包括字母与数据！");return false;}else {$("#j-msg").html('');}if(newPwd != 'undefined' && newPwd.length<=0) {$("#j-msg-r").html("请输入确认密码");return false;}else {$("#j-msg-r").html('');}if(pwd.trim() != newPwd.trim()) {$("#j-msg-r").html("确认密码与新密码输入不一致！");return false;}else {$("#j-msg").html('');} $.ajax({type : 'get',url : '${request.contextPath}/login/changePwd',data : {'pwd':pwd},dataType : 'json',async : false,success : function(data) {//0-必填项不能为空1-修改成功 2-此用户不存在 3-修改失败！if(data.key == '1') {$.messager.alert('提示','密码修改成功，请使用新密码登录！','info',function() { clearBox(); });}else if(data.key == '0') {$.messager.alert('提示','必填项不能为空！','info',function() { clearBox(); });}else if(data.key == '2') {$.messager.alert('提示','此用户不存在，请确认！','info',function() { clearBox(); });}else if(data.key == '3') {$.messager.alert('提示','密码修改失败，请联系管理员！','info',function() { clearBox(); });}}});});})</script></html>//点击保存密码更新用户表@ResponseBody@RequestMapping("/changePwd")public Map<String, Object> changePwd(String pwd, HttpSession session) {// 0-必填项不能为空 1-修改成功 2-此用户不存在 3-修改失败！Map<String, Object> result = new HashMap<String, Object>();String check = (String) session.getAttribute("check");if (StrUtil.isBlank(check) || StrUtil.isBlank(pwd)) {result.put("key", "0");return result;}String selectSql = "SELECT * from sys_user WHERE checkid = '" + check+ "'";List<SysUser> list = sqlMapper.selectList(selectSql, SysUser.class);if (null != list && list.size() > 0) {SysUser user = list.get(0);if (null != user) {try {String jmPwd = MD5.string2MD5(pwd);user.setPassword(jmPwd);sysUserMapper.updateByPrimaryKeySelective(user);result.put("key", "1");return result;} catch (Exception e) {e.printStackTrace();result.put("key", "3");return result;}} else {result.put("key", "2");return result;}} else {result.put("key", "2");return result;}}email.properties//配置文件username=1234343@163.compassword=1323232jar包
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