通过发送邮件来找回密码
警告： javamail包与 geronimo-javamail_1.4_spec-1.3.jar 它有冲突，
类似这种冲突的包有好多，大家要千万注意，否则会让你纠结许久。此工程我使用 javaMail包
开始正题：
1：在工程下创建 发送邮件模板,此处我采取的是 用velocity 的方式,所以后缀名为 .vm
2:写认证类(因为我采取的是国际标准，所以比较繁琐，当然也有简单的方法，大家在开发中还是以标准为好)
以下是一个公共类，此类中包含企业常用的方法
不好意思，忘记说 所读取的 资源文件了，
spring-jpa.properties
中的内容如下
类似这种冲突的包有好多，大家要千万注意，否则会让你纠结许久。此工程我使用 javaMail包
开始正题：
1：在工程下创建 发送邮件模板,此处我采取的是 用velocity 的方式,所以后缀名为 .vm
<html>
<body>
<div id="contentDiv" style="font-size:14px;height:auto;padding:15px 0 10px 15px;*padding:15px 0 0 15px;overflow:visible;line-height:170%;min-height:100px;_height:100px;" class="" >
<table id="" width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td valign="top" style="font-size:14px;padding:0;height:auto;min-height:auto;font-family: 'lucida Grande',Verdana;" class="body">
<div id="mailContentContainer" class="left">
<style type='text/css'>
<!--
body,td,th {
font-size: 12px;
color: #393939;
line-height: 24px;
}
.te2 {WIDTH: 80px; HEIGHT: 17px;BACKGROUND-COLOR: #ffffff;border: 1px solid #A6BEE0;}
.font_line28 {line-height: 32px; ; ;}
.font_blue14_bold {color:#1369BF;font-weight: bold; font-size: 14px;line-height: 23px;}
.font_blue122_bold {color:#4D728F;font-weight: bold;;}
.font_red12 { font-size:12px;color:#FF0000;}
.fant_hui12 { font-size:12px;color:#B9B9B9;}
.font_blue12{color:#4D728F; padding-right: 7px;}
.font_blue12 a:link{ color:#4D728F; text-decoration:underline;}
.font_blue12 a:visited{color:#4D728F; text-decoration:underline;}
.font_blue12 a:hover {color:#4D728F; text-decoration:underline;}
-->
</style>
<table width='500' border='0' align='center' cellpadding='0' cellspacing='1' bgcolor='#0BA5EB'>
<tr>
<td align='left' valign='top' bgcolor='#FFFFFF'>
<table width='100%' border='0' cellspacing='0' cellpadding='0'>
<tr>
<td width='39' height='26' background='http://uc.cun365.com/images/cun365/reg_r2_c4.jpg'><img src='http://10.10.1.11/ucenter/images/cun365/reg_r2_c21.jpg' width='34' height='26'/></td>
<td width='577' align='left' valign='bottom' background='http://uc.cun365.com/images/cun365/reg_r2_c4.jpg' class='font_blue14_bold'>确认邮件</td>
<td width='32' align='left' valign='middle' background='http://uc.cun365.com/images/cun365/reg_r2_c4.jpg'><img src='http://uc.cun365.com/images/cun365/gif-0081.gif' width='23' height='17'/></td>
</tr>
</table>
</td>
</tr>
<tr>
<td align='center' valign='top' bgcolor='#FFFFFF'>
<table width='92%' border='0' cellspacing='0' cellpadding='0'>
<tr>
<td height='12'></td>
</tr>
<tr>
<td align='left' valign='top'>
亲爱的<span class='font_red12'>$!{userName}</span>，您好：<br/>
当您收到这封信的时候，您已经可以用新密码正常登录了。<br/>
您的新密码为： <span class='font_red12'>
$!{password}</span>
</td>
</tr>
<tr>
<td height='13' align='left' valign='top'></td>
</tr>
<tr>
<td height='13' align='left' valign='top' background='http://uc.cun365.com/images/cun365/reg_line.jpg'></td>
</tr>
<tr>
<td align='left' valign='top'>
<span class='font_blue122_bold'>点击以下链接，访问我xxx：</span><br/>
<a href='http://www.xxx.com' target="_blank" class='font_blue12'>http://www.cun365.com</a>
<span class='fant_hui12'><br/>(如果不能点击该链接地址，请复制并粘贴到浏览器的地址输入框)</span>
</td>
</tr>
<tr>
<td align='left' valign='top'>
<span class='font_blue122_bold'>点击以下链接，进行修改密码：</span><br/>
<a href='http://uc.cun365.com/login?service=http://xx.com/xx?oldPwd=$!{password}' target="_blank" class='font_blue12'>http://uc.cun365.com/login?service=http://xx.com/?oldPwd=$!{password}</a>
<span class='fant_hui12'><br/>(如果不能点击该链接地址，请复制并粘贴到浏览器的地址输入框)</span>
</td>
</tr>
<tr>
<td height='40' align='center' valign='middle'><span class='font_gray14'>
<a href='http://xxx?service=http://xxx?json=abcdeu123' target='_blank'><img src='http://uc.cun365.com/images/cun365/but-1.gif' width='203' height='24' border=0//></a>
</span></td>
</tr>
<tr>
<td height='13' align='left' valign='top'></td>
</tr>
<tr>
<td height='13' align='left' valign='top' background='http://uc.cun365.com/images/cun365/reg_line.jpg'></td>
</tr>
<tr>
<td align='left' valign='top'>
<p> 此邮件为系统所发，请勿直接回复。 <br/><br/></p>
</td>
</tr>
<tr>
<td align='left' valign='top'> </td>
</tr>
</table>
</td>
</tr>
</table>
</div>
</td>
<td width="170"> </td>
</tr>
</table>
</div>
<div id="mailContentContainer">
如果您有任何问题,请查看<a href="#">隐私权保护规则</a><br/>
服务热线：15034401440 电子邮箱：<a href="mailto:[email protected]">[email protected]</a>
</div>
</body>
</html>
2:写认证类(因为我采取的是国际标准，所以比较繁琐，当然也有简单的方法，大家在开发中还是以标准为好)
package com.transnal.utils;
import javax.mail.*;
/**
* Smtp认证，此类事必须要有的，是为了遵循sum公司定下的规范
* @author renwg
* @since 2010.5.30
* @version 1.0
*
*/
public class MyAuthenticator extends Authenticator{
private String userName=null;
private String password=null;
public MyAuthenticator(){}
/**
* SMTP身份验证
* @param username
* @param password
*/
public MyAuthenticator(String username, String password) {
this.userName = username;
this.password = password;
}
protected PasswordAuthentication getPasswordAuthentication(){
System.out.println("服务器正在验证用户："+userName);
System.out.println("服务器正在验证密码："+password);
return new PasswordAuthentication(userName, password);
}
}
以下是一个公共类，此类中包含企业常用的方法
package com.transnal.utils;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.StringWriter;
import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Properties;
import java.util.ResourceBundle;
import java.util.regex.Pattern;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMultipart;
import javax.mail.Address;
import javax.mail.BodyPart;
import javax.mail.Message;
import javax.mail.Multipart;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.MimeMessage;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import net.sxinfo.profile.Profile;
import net.sxinfo.profile.ProfileInfo;
import net.sxinfo.user.User;
import net.sxinfo.user.UserFactory; //这个东西我不说，你也知道了，就是一个读取 资源文件的 类。
import org.apache.commons.io.FileUtils;
import org.apache.commons.lang.StringUtils;
import org.apache.struts2.ServletActionContext;
import org.apache.velocity.Template;
import org.apache.velocity.VelocityContext;
import org.apache.velocity.app.VelocityEngine;
import com.opensymphony.xwork2.ActionContext;
/**
* 所有共用的方法都被调到这个类里
*
* @author RenWeigang
*
* @since 2010.08.02
*
* @version 1.0
*
*/
public class WebUtil {
private static String directoryId;
private static String userName;
/**
* 設置提示信息(僅限request請求輸出)
* @param paramString
*/
public static void addError(String paramString){
ServletActionContext.getRequest().setAttribute("msg",paramString);
}
/**
* URI跳转
*/
public static void redirectService(){
HttpServletRequest request = ServletActionContext.getRequest();
String s_m = request.getParameter("success_msg");
if(StringUtils.isNotBlank(s_m) && (s_m.equals("%E6%88%90%E5%8A%9F") || s_m.equals("成功"))){
HttpServletResponse response = ServletActionContext.getResponse();
StringBuilder sb = new StringBuilder("修改成功！");
String paramService = request.getParameter("service");
if(StringUtils.isNotBlank(paramService) && (paramService.startsWith("http") || paramService.startsWith("ftp"))){
if(paramService.startsWith("http"))
{
paramService ="http://"+paramService.replaceAll("^http\\:\\/+","");
}
if(paramService.startsWith("ftp")){
paramService ="ftp://"+paramService.replaceAll("^ftp\\:\\/+","");
}
sb.append("3秒后跳转到您原始的页面！如没有相应,请点击<font color='red'><a href='");
sb.append(paramService);
sb.append("' target='_blank'>");
sb.append("这里");
sb.append("</a>");
sb.append("</font>");
String url = getBasePath(request)+"logout?url="+paramService;
response.setHeader("Refresh","3;URL="+url);
}
ServletActionContext.getRequest().setAttribute("msg",sb.toString());
}
}
/**
* 发送密码到邮箱
* @param user
* 用户对象
* @param password
* 新密码
* @param email
* 收密码的邮箱号码
*/
public static void sendEmail(User user,String password,String email){
try {
InputStream in = UserFactory.class.getResourceAsStream("/spring-jpa.properties");
Properties p = new Properties();
if (in != null) {
p.load(in);
}
String authuser=p.getProperty("mail.username"); //发送人用户名
String authpwd= p.getProperty("mail.password"); //邮箱密码
String host = p.getProperty("mail.host"); //smtp服务器名字
String port = p.getProperty("mail.port"); //端口号
String from = p.getProperty("mail.from"); //来自哪里
String title = p.getProperty("ucenter.title"); //邮件标题，替换发送的邮箱名字
String url = p.getProperty("ucenter.url"); //链接地址
Properties sessionPro = new Properties();
sessionPro.put("mail.smtp.host", host);
sessionPro.put("mail.smtp.port",port);
sessionPro.put("mail.smtp.auth","true");
// 根据邮件会话属性和密码验证器构造一个发送邮件的session
Session sendMailSession = Session.getDefaultInstance(sessionPro,new MyAuthenticator(authuser,authpwd));
// 根据session创建一个邮件消息
Message mailMessage = new MimeMessage(sendMailSession);
// 创建邮件发送者地址
Address fromAddress = new InternetAddress(from);
// 创建邮件的接收者地址，并设置到邮件消息中
Address toAddress = new InternetAddress(email);
// 设置邮件消息的发送者
mailMessage.setFrom(fromAddress);
mailMessage.setFileName(title);
mailMessage.setRecipient(Message.RecipientType.TO,toAddress);
// 设置邮件消息发送的时间
mailMessage.setSentDate(new Date());
mailMessage.setSubject("找回密码");
// MiniMultipart类是一个容器类，包含MimeBodyPart类型的对象
Multipart mainPart = new MimeMultipart();
// 创建一个包含HTML内容的MimeBodyPart
BodyPart html = new MimeBodyPart();
//设置邮件内容
Map<String,String> props=new HashMap<String,String>();
props.put("title", title);
props.put("url", url);
props.put("userName",user.getUserName());
props.put("password",password);
//读取邮件内容
String result=emailTemplate(props,"mail/findpwd_mail.vm");;
html.setContent(result,"text/html;charset=utf-8");
mainPart.addBodyPart(html);
// 将MiniMultipart对象设置为邮件内容
mailMessage.setContent(mainPart);
//保存要发送的邮件
mailMessage.saveChanges();
//发送邮件
Transport.send(mailMessage);
StringBuilder sb = new StringBuilder();
sb.append("系统已经把密码发送到您的邮箱,请点击");
sb.append("<font color='red'><a target='_blank' href='http://mail.");
sb.append(email.substring(email.indexOf("@")+1,email.length())+"'");
sb.append(">");
sb.append("这里登录邮箱");
sb.append("</a></font>");
sb.append("查收!");
System.out.println(sb.toString());
addError(sb.toString());
} catch (Exception ex) {
addError("网络连接失败！检查您的网络是否正常！");
}
}
/**
* 读取邮件模板
* @param data
* @return
*/
private static String emailTemplate(Map<String, String> data,String filePath) {
String result = null;
try {
VelocityEngine velocity = new VelocityEngine();
Properties properties = new Properties();
properties.setProperty("resource.loader", "class");
properties.setProperty("class.resource.loader.class", "org.apache.velocity.runtime.resource.loader.ClasspathResourceLoader");
velocity.init(properties);
Template t = velocity.getTemplate(filePath, "utf-8");
VelocityContext context = new VelocityContext();
for (Map.Entry<String, String> entry : data.entrySet()) {
context.put(entry.getKey(), entry.getValue());
}
StringWriter writer = new StringWriter();
t.merge(context, writer);
result = writer.toString();
writer.close();
} catch (Exception e1) {
e1.printStackTrace();
}
return result;
}
/**
* 检查验证码
* @param verifycodeBeValid
* 验证码是否正确
* @param verifycode
* 验证码
* @return
*/
public static boolean checkVerifycode(String verifycode) {
boolean verifycodeBeValid = false;
String rand_image = null;
try {
rand_image = (String) ActionContext.getContext().getSession().get("rand_image");
if (verifycode.equals(rand_image)) {
verifycodeBeValid = true;
}
} catch (Exception ex) {
verifycodeBeValid = false;
}
return verifycodeBeValid;
}
/***
* 获取URI的路径,如路径为http://www.cun365.com/passport/center.action?ssid=1, 得到的值为"/passport.center.action"
* @param request
* @return
*/
public static String getRequestURI(HttpServletRequest request){
return request.getRequestURI();
}
/**
* 获取完整请求路径(含内容路径及请求参数)
* @param request
* @return
*/
public static String getRequestURIWithParam(HttpServletRequest request){
return getRequestURI(request) + (request.getQueryString() == null ? "" : "?"+ request.getQueryString());
}
/**
* 添加cookie
* @param response
* @param name cookie的名称
* @param value cookie的值
* @param maxAge cookie存放的时间(以秒为单位,假如存放三天,即3*24*60*60; 如果值为0,cookie将随浏览器关闭而清除)
*/
public static void addCookie(HttpServletResponse response, String name, String value, int maxAge) {
Cookie cookie = new Cookie(name, value);
cookie.setPath("/");
if (maxAge>0) cookie.setMaxAge(maxAge);
response.addCookie(cookie);
}
/**
* 获取cookie的值
* @param request
* @param name cookie的名称
* @return
*/
public static String getCookieByName(HttpServletRequest request, String name) {
Map<String, Cookie> cookieMap = WebUtil.readCookieMap(request);
if(cookieMap.containsKey(name)){
Cookie cookie = (Cookie)cookieMap.get(name);
return cookie.getValue();
}else{
return null;
}
}
protected static Map<String, Cookie> readCookieMap(HttpServletRequest request) {
Map<String, Cookie> cookieMap = new HashMap<String, Cookie>();
Cookie[] cookies = request.getCookies();
if (null != cookies) {
for (int i = 0; i < cookies.length; i++) {
cookieMap.put(cookies[i].getName(), cookies[i]);
}
}
return cookieMap;
}
/**
* 去除html代码
* @param inputString
* @return
*/
public static String HtmltoText(String inputString) {
String htmlStr = inputString; //含html标签的字符串
String textStr ="";
java.util.regex.Pattern p_script;
java.util.regex.Matcher m_script;
java.util.regex.Pattern p_style;
java.util.regex.Matcher m_style;
java.util.regex.Pattern p_html;
java.util.regex.Matcher m_html;
java.util.regex.Pattern p_ba;
java.util.regex.Matcher m_ba;
try {
String regEx_script = "<[\\s]*?script[^>]*?>[\\s\\S]*?<[\\s]*?\\/[\\s]*?script[\\s]*?>"; //定义script的正则表达式{或<script[^>]*?>[\\s\\S]*?<\\/script> }
String regEx_style = "<[\\s]*?style[^>]*?>[\\s\\S]*?<[\\s]*?\\/[\\s]*?style[\\s]*?>"; //定义style的正则表达式{或<style[^>]*?>[\\s\\S]*?<\\/style> }
String regEx_html = "<[^>]+>"; //定义HTML标签的正则表达式
String patternStr = "\\s+";
p_script = Pattern.compile(regEx_script,Pattern.CASE_INSENSITIVE);
m_script = p_script.matcher(htmlStr);
htmlStr = m_script.replaceAll(""); //过滤script标签
p_style = Pattern.compile(regEx_style,Pattern.CASE_INSENSITIVE);
m_style = p_style.matcher(htmlStr);
htmlStr = m_style.replaceAll(""); //过滤style标签
p_html = Pattern.compile(regEx_html,Pattern.CASE_INSENSITIVE);
m_html = p_html.matcher(htmlStr);
htmlStr = m_html.replaceAll(""); //过滤html标签
p_ba = Pattern.compile(patternStr,Pattern.CASE_INSENSITIVE);
m_ba = p_ba.matcher(htmlStr);
htmlStr = m_ba.replaceAll(""); //过滤空格
textStr = htmlStr;
}catch(Exception e) {
System.err.println("Html2Text: " + e.getMessage());
}
return textStr;//返回文本字符串
}
/**
* 获取项目的 basePath 路径,例如：http://uc.cun365.com/
* @return
*/
public static String getBasePath(HttpServletRequest request){
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
return basePath;
}
public static String getBasePath(HttpServletRequest request,boolean flag){
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+"/";
return basePath;
}
/**
* 清除缓存
*/
@Deprecated
public static void setBuffer(HttpServletResponse response){
response.setHeader("Pragma","No-cache");
response.setHeader("Cache-Control","no-cache");
response.setDateHeader("Expires", 0);
try {
response.flushBuffer();
} catch (IOException e) {
System.out.println(new Date()+":清除 缓存时 出现异常");
}
}
public static String getUserName() {
return userName;
}
public static void setUserName(String userName) {
WebUtil.userName = userName;
}
public static String getDirectoryId() {
return directoryId;
}
public static void setDirectoryId(String directoryId) {
WebUtil.directoryId = directoryId;
}
}
不好意思，忘记说 所读取的 资源文件了，
spring-jpa.properties
中的内容如下
###部署环境
jee=${jee}
ucenter.title=伟业中国用户中心
ucenter.url=http://www.xxx.com
mail.host=mail.xxx.com
mail.username=xxx
mail.password=xxx
[email protected]
mail.port=25