spring使用模板发送邮件及附件笔记
需要引用的jar包：
mail-1.4.1.jar
activation-1.1.jar
spring-context-support-2.5.jar
spring-webmvc.jar
前台页面
forgetPassword.jsp：
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>忘记密码</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
</head>
<body>
<h2>忘记密码处理</h2>
<form action="forgetPassword" name="form1" method="post">
您的注册邮箱：<input type="text" name="user.userId" value=""/>
<input type="submit" value=" 提交 ">
</form>
</body>
</html>
MailAction.java：
package com.gifer.action;
import java.io.File;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import javax.mail.MessagingException;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeUtility;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.core.io.FileSystemResource;
import org.springframework.mail.SimpleMailMessage;
import org.springframework.mail.javamail.JavaMailSenderImpl;
import org.springframework.mail.javamail.MimeMessageHelper;
import org.springframework.ui.freemarker.FreeMarkerTemplateUtils;
import org.springframework.web.servlet.view.freemarker.FreeMarkerConfigurer;
import com.gifer.model.LoginUser;
import com.opensymphony.xwork2.ActionSupport;
import freemarker.template.Template;
import freemarker.template.TemplateException;
public class MailAction extends ActionSupport {
/**
*
*/
private static final long serialVersionUID = 4962937405531604950L;
private static final Logger log = LoggerFactory.getLogger(MailAction.class);
private JavaMailSenderImpl mailSender;
private SimpleMailMessage mailMessage;
private FreeMarkerConfigurer freeMarkerConfigurer;
private LoginUser user;
public void setMailSender(JavaMailSenderImpl mailSender) {
this.mailSender = mailSender;
}
public void setMailMessage(SimpleMailMessage mailMessage) {
this.mailMessage = mailMessage;
}
public void setUser(LoginUser user) {
this.user = user;
}
public void setFreeMarkerConfigurer(
FreeMarkerConfigurer freeMarkerConfigurer) {
this.freeMarkerConfigurer = freeMarkerConfigurer;
}
@Override
public String execute() throws Exception {
// String content = "hello," + user.getUserId()
// + "，您的临时密码是：123456，请及时登录修改。";
// 发送简单邮件
// this.sendSimpleMail(content);
// 发送html邮件
// this.sendHtmlMail(content);
this.sendTemplateMail();
return SUCCESS;
}
// 发送简单文本内容邮件
private void sendSimpleMail(String content) {
this.mailMessage.setTo(user.getUserId());// 邮件接收者
this.mailMessage.setText(content);// 邮件内容
this.mailSender.send(mailMessage);// 发送
}
// 发送HTML内容邮件
private void sendHtmlMail(String content) {
MimeMessage mailMsg = this.mailSender.createMimeMessage();
MimeMessageHelper messageHelper = new MimeMessageHelper(mailMsg);
String html = "<html><head></head><body><h1>Hello</h1>" + content
+ "</body></html>";
try {
messageHelper.setTo(user.getUserId());
messageHelper.setText(html, true);// true 表示启动HTML格式的邮件
} catch (MessagingException e) {
log.error(e.getMessage(), e);
}
this.mailSender.send(mailMessage);// 发送
}
// 发送邮件内容采用模板
public void sendTemplateMail() {
try {
MimeMessage mailMsg = this.mailSender.createMimeMessage();
MimeMessageHelper messageHelper = new MimeMessageHelper(mailMsg,
true, "UTF-8");
messageHelper.setTo(user.getUserId());// 接收邮箱
messageHelper.setFrom(this.mailMessage.getFrom());// 发送邮箱
messageHelper.setSentDate(new Date());// 发送时间
messageHelper.setSubject(this.mailMessage.getSubject());// 邮件标题
// true 表示启动HTML格式的邮件
messageHelper.setText(this.getMailText(), true);// 邮件内容
// 添加邮件附件
FileSystemResource rarfile = new FileSystemResource(new File(
"E:\\UploadFileDemo\\mail图片测试.png"));
// addAttachment addInline 两种附件添加方式
// 以附件的形式添加到邮件
// 使用MimeUtility.encodeWord 解决附件名中文乱码的问题
messageHelper.addAttachment(MimeUtility.encodeWord("mail图片测试.png"),
rarfile);
// <img src='cid:file'/> 此处将文件内容嵌入邮件页面中
// 这里的'cid:file'与addInline('file',rarfile)中的file对应
messageHelper.addInline("file", rarfile);
this.mailSender.send(mailMsg);// 发送
} catch (MessagingException e) {
log.error(e.getMessage(), e);
} catch (UnsupportedEncodingException e) {
log.error(e.getMessage(), e);
}
}
/**
* 获取模板并将内容输出到模板
*
* @param content
* @return
*/
private String getMailText() {
String html = "";
try {
Map map = new HashMap();
map.put("userName", "greensurfer");
map.put("userId", user.getUserId());
map.put("password", "123456");
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-mm-dd hh:mm:ss");
map.put("sendTime", sdf.format(new Date()));
// 装载模板
Template tpl = this.freeMarkerConfigurer.getConfiguration()
.getTemplate("forgetPassword.ftl");
// 加入map到模板中 输出对应变量
html = FreeMarkerTemplateUtils.processTemplateIntoString(tpl, map);
} catch (IOException e) {
e.printStackTrace();
} catch (TemplateException e) {
e.printStackTrace();
}
return html;
}
}
applicationContext.xml部分：
<!-- 邮件发送方配置bean --> <bean id="mailSender" class="org.springframework.mail.javamail.JavaMailSenderImpl"> <property name="host" value="smtp.163.com" /> <!-- mail account --> <property name="username" value="gifer" /> <property name="password" value="123456" /> <property name="javaMailProperties"> <props> <prop key="mail.smtp.auth">true</prop> </props> </property> </bean> <!-- 邮件发送模板 --> <bean id="mailMessage" class="org.springframework.mail.SimpleMailMessage"> <property name="from" value="[email protected]" /> <property name="subject" value="帐户密码忘记邮件" /> </bean> <!-- 配置发送模板bean--> <bean id="freeMarkerConfigurer" class="org.springframework.web.servlet.view.freemarker.FreeMarkerConfigurer"> <property name="templateLoaderPaths" value="classpath:mailTemplate" /><!-- 模板路径位置 --> <property name="freemarkerSettings"> <props> <prop key="template_update_delay">1800</prop><!-- 模板更新延时 --> <prop key="default_encoding">UTF-8</prop> <prop key="locale">zh_CN</prop> </props> </property> </bean> <bean id="mailAction" class="com.gifer.action.MailAction" abstract="false" scope="prototype" lazy-init="default" autowire="default" dependency-check="default"> <property name="mailSender"> <ref bean="mailSender" /> </property> <property name="mailMessage"> <ref bean="mailMessage" /> </property> <property name="freeMarkerConfigurer"> <ref bean="freeMarkerConfigurer"/> </property> </bean>
<action name="forgetPassword" class="mailAction"> <result name="success">jsp/mailSuccess.jsp</result> <result name="input">jsp/forgetPassword.jsp</result> </action>
forgetPassword.ftl：
<!DOCTYPE head PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title></title>
<meta HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=utf-8">
<style type="text/css">
body {
font-size: 14px;
line-height: 1.5
}
</style>
</head>
<body>
<table cellspacing="0" cellpadding="20">
<tr>
<td>
<table width="500" cellspacing="0" cellpadding="1">
<tr>
<td bgcolor="#FF8E00" align="left"
style="font-family:'lucida grande',tahoma,'bitstream vera sans',helvetica,sans-serif;line-height:150%;color:#FFF;font-size:24px;font-weight:bold;padding:4px">
GIFER社区
<th></th>
</tr>
<tr>
<td bgcolor="#FF8E00">
<table width="100%" cellspacing="0" bgcolor="#FFFFFF"
cellpadding="20">
<tr>
<td
style="font-family:'lucida grande',tahoma,'bitstream vera sans',helvetica,sans-serif;line-height:150%;color:#000;font-size:14px;">
亲爱的${userName}：
<blockquote>
<br> <strong>您在gifer.com的帐户${userId}密码忘记了？该邮件为你提供临时密码：${password}，请及时登录，修改您的密码。</strong><br>
<br>如果下面链接不可用，请复制下面的链接到浏览器进行访问，以便修改你的帐户密码。<br>帐户密码修改链接:<br>
<a href="http://localhost:10002/UserManager/" target="_blank">http://localhost:10002/UserManager/</a><br>
<br>
</blockquote> <br> <br>GIFER 社区<br> <a
href="http://localhost:10002/UserManager/" target="_blank">http://localhost:10002/UserManager/</a>
<br>发送时间：${sendTime}<br> <br>此邮件为系统自动发出，请勿回复。</td>
</tr>
</table></td>
</tr>
</table></td>
</tr>
</table>
<img src='cid:file'/>
</body>
</html>
发送邮件效果图：