JavaMail邮件发送-能发送附件和带背景音乐的邮件的小系统
2012-12-21 19:49
381 查看
这里使用的是JavaMail技术，前台使用了fckeditor做邮件美化，由于只是示例，后台发送时只是将邮件保存在本地，但是可以查看，如果需要实际发送，请参考我的其他博客文章，我写了很多关于邮件发送的示例！
JSP页面页面除了引用fckeditor外，要注意我们是需要发送附件的：
Java代码
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%
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>发送邮件</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<script type="text/javascript" src="fckeditor/fckeditor.js"></script>
<script type="text/javascript">
window.onload=function(){
var oFCKeditor = new FCKeditor( 'content' ) ;
//编译器基本路径
oFCKeditor.BasePath = "/pro_04/fckeditor/";
//高度
oFCKeditor.Width=800;
//宽度
oFCKeditor.Height=300;
//工具条集合名称(Default,Basic或自己制定，关于ＦＣＫ的使用，博客内有专门文章)
//具体的配置可以将默认显示出来然后到FCK目录里的fckconfig.js里
//FCKConfig.ToolbarSets["Default"]数组中去除不要的功能一共63个功能属性
//oFCKeditor.ToolbarSet="Basic";
oFCKeditor.ReplaceTextarea() ;
}
</script>
</head>
<body>
<!-- 注意表单格式，这里需要上传附件 -->
<form action="SendMailServlet" method="post" enctype="multipart/form-data">
<table>
<tr>
<td>收件人：</td>
<td><input type="text" name="to" /></td>
</tr>
<tr>
<td>抄送：</td>
<td><input type="text" name="copy" /></td>
</tr>
<tr>
<td>主题：</td>
<td><input type="text" name="title" /></td>
</tr>
<tr>
<td>信件内容：</td>
<td><textarea rows="10" cols="20" name="content" id="content"></textarea></td>
</tr>
<tr>
<td>附件：</td>
<td><input type='file' name='ufile' /></td>
</tr>
<tr>
<td>背景音乐：</td>
<td><input type='file' name='umusic' /></td>
</tr>
<tr>
<td>背景图片：</td><!-- 背景图片我们后台自己准备 -->
<td>
<select name="bgimg">
<option value="1">一号</option>
<option value="2">二号</option>
</select>
</td>
</tr>
<tr align="right">
<td colspan="2"><input type="submit" value="发 送"></td>
</tr>
</table>
</form>
</body>
</html>
为了防止乱码，会经过一个过滤器：
Java代码
package org.filter;
import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
/**
* 过滤器防止乱码
* @说明
* @author cuisuqiang
* @version 1.0
* @since
*/
public class EncodingFilter implements Filter {
public void destroy() {
}
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain chain) throws IOException, ServletException {
request.setCharacterEncoding("UTF-8");
response.setCharacterEncoding("UTF-8");
chain.doFilter(request, response);
}
public void init(FilterConfig arg0) throws ServletException {
}
}
然后到Servlet处理附件和信息，这里就不做异常处理了，出错直接报错：
Java代码
package org.servlet;
import java.io.*;
import java.util.*;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.FileItemFactory;
import org.apache.commons.fileupload.FileUploadException;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;
import org.entity.MailModel;
import org.mail.SendMail;
/**
* 接收表单，处理附件，组装邮件对象，并调用发送接口
* @说明 在C盘创建临时文件
* @author cuisuqiang
* @version 1.0
* @since
*/
@SuppressWarnings("serial")
public class SendMailServlet extends HttpServlet {
@SuppressWarnings( { "unchecked", "deprecation" })
@Override
protected void service(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
// 建立磁盘工厂
FileItemFactory factory = new DiskFileItemFactory();
// 表单域
ServletFileUpload upload = new ServletFileUpload(factory);
List<FileItem> items = null;
String bgimg = "1"; // 默认是第一个背景图片
try {
items = upload.parseRequest(request);
} catch (FileUploadException e) {
e.printStackTrace();
}
MailModel mail = new MailModel();
InputStream is = null;
for (FileItem item : items) {
if (!item.isFormField()) { // 如果是附件
if (item.getSize() > 0) {
is = item.getInputStream();
String filename = "";
if (item.getName().indexOf("\\") == -1) {
filename = "c:\\tmp\\" + item.getName();
} else {
filename = "c:\\tmp\\" + item.getName().substring(item.getName().lastIndexOf("\\"));
}
if (is.markSupported()) {
System.out.println("没有上传文件或文件已经删除");
} else {
File file = new File(filename);
FileOutputStream fos = new FileOutputStream(file); // 建立输出流
byte[] buffer = new byte[8192]; // 每次读8K字节，大文件上传没有问题
int count = 0;
while ((count = is.read(buffer)) > 0) { // 循环写入到硬盘
fos.write(buffer, 0, count);
}
fos.close(); // 关闭输入输出流
is.close();
if (item.getFieldName().equals("ufile")) {
mail.setFilePath(filename);
} else if (item.getFieldName().equals("umusic")) {
mail.setMusicPath(filename);
}
}
}
} else { // 处理文本信息
if (item.getFieldName().equals("title")) {
mail.setTitle(item.getString("UTF-8"));
} else if (item.getFieldName().equals("content")) {
mail.setContext(item.getString("UTF-8"));
} else if (item.getFieldName().equals("to")) {
mail.setTo(item.getString("UTF-8"));
} else if (item.getFieldName().equals("copy")) {
mail.setCopy(item.getString("UTF-8"));
} else if (item.getFieldName().equals("bgimg")) {
bgimg = item.getString("UTF-8");
}
}
}
String bgPath = request.getRealPath("/") + "\\images\\bg" + bgimg + ".jpg";
mail.setBgPath(bgPath);
try {
SendMail.sendMail(mail);
} catch (Exception e) {
e.printStackTrace();
}
response.sendRedirect(request.getContextPath() + "/sendmail.jsp");
}
}
这里也没有验证，接收到信息后组装一个邮件实体对象，传递到发送接口中发送：
实体，我就不写ｇｅｔ和ｓｅｔ方法了：
Java代码
package org.entity;
/**
* 一封邮件的对象
* @说明
* @author cuisuqiang
* @version 1.0
* @since
*/
public class MailModel {
/**
* 主键
*/
private int id;
/**
* 邮件标题
*/
private String title;
/**
* 发送给谁
*/
private String to;
/**
* 背景图片地址
*/
private String bgPath;
/**
* 抄送给谁
*/
private String copy;
/**
* 邮件内容
*/
private String context;
/**
* 附件地址
*/
private String filePath;
/**
* 背景音乐地址
*/
private String musicPath;
}
然后我们来看看核心处理类：
Java代码
package org.mail;
import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStream;
import java.util.Date;
import java.util.Properties;
import javax.activation.DataHandler;
import javax.activation.DataSource;
import javax.activation.FileDataSource;
import javax.mail.Message;
import javax.mail.Session;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;
import javax.mail.internet.MimeUtility;
import org.entity.MailModel;
/**
* 发送一封邮件
* @说明 注意这里并没有实际发送而是保存在了C盘临时文件中，真是发送的话，请参考我的博客
* @author cuisuqiang
* @version 1.0
* @since
*/
public class SendMail {
public static void sendMail(MailModel mail) throws Exception {
Properties props = new Properties();
props.put("mail.smtp.auth", "true");
Session session = Session.getInstance(props);
Message message = new MimeMessage(session);
InternetAddress from = new InternetAddress();
from.setPersonal(MimeUtility.encodeText("风中落叶<cuisuqiang@163.com>"));
message.setFrom(from);
InternetAddress to = new InternetAddress(mail.getTo());
message.setRecipient(Message.RecipientType.TO, to);
// 是否抄送
if (null != mail.getCopy() && !"".equals(mail.getCopy())) {
InternetAddress copy = new InternetAddress(mail.getCopy());
message.setRecipient(Message.RecipientType.CC, copy);
}
message.setSubject(MimeUtility.encodeText(mail.getTitle()));
message.setSentDate(new Date());
// 指定为混合关系
MimeMultipart msgMultipart = new MimeMultipart("mixed");
message.setContent(msgMultipart);
MimeBodyPart content = new MimeBodyPart();
msgMultipart.addBodyPart(content);
// 依赖关系
MimeMultipart bodyMultipart = new MimeMultipart("related");
content.setContent(bodyMultipart);
MimeBodyPart htmlPart = new MimeBodyPart();
// 组装的顺序非常重要
bodyMultipart.addBodyPart(htmlPart);
MimeBodyPart in_bg = new MimeBodyPart();
bodyMultipart.addBodyPart(in_bg);
DataSource bgsou = new FileDataSource(mail.getBgPath());
DataHandler bghd = new DataHandler(bgsou);
in_bg.setDataHandler(bghd);
in_bg.setHeader("Content-Location", "bg.jpg");
// 是否使用了背景音乐
if (null == mail.getMusicPath() || "".equals(mail.getMusicPath())) {
String start = "<html><body background='bg.jpg'>";
String end = "</body></html>";
htmlPart.setContent(start + mail.getContext() + end,"text/html;charset=UTF-8");
} else {
MimeBodyPart in_Part = new MimeBodyPart();
bodyMultipart.addBodyPart(in_Part);
DataSource gifds = new FileDataSource(mail.getMusicPath());
DataHandler gifdh = new DataHandler(gifds);
in_Part.setDataHandler(gifdh);
in_Part.setHeader("Content-Location", "bg.mp3");
String start = "<html><head><bgsound src='bg.mp3' loop='-1'></head><body background='bg.jpg'>";
String end = "</body></html>";
htmlPart.setContent(start + mail.getContext() + end,"text/html;charset=UTF-8");
}
// 组装附件
if (null != mail.getFilePath() && !"".equals(mail.getFilePath())) {
MimeBodyPart file = new MimeBodyPart();
FileDataSource file_datasource = new FileDataSource(mail
.getFilePath());
DataHandler dh = new DataHandler(file_datasource);
file.setDataHandler(dh);
file.setFileName(MimeUtility.encodeText(dh.getName()));
msgMultipart.addBodyPart(file);
}
message.saveChanges();
// 保存邮件
OutputStream ips = new FileOutputStream("C:\\tmp\\test.eml");
message.writeTo(ips);
ips.close();
System.out.println("------------发送完毕------------");
// 删除临时文件
if (null != mail.getMusicPath() && !"".equals(mail.getMusicPath())) {
File file = new File(mail.getMusicPath());
file.delete();
}
if (null != mail.getFilePath() && !"".equals(mail.getFilePath())) {
File file = new File(mail.getFilePath());
file.delete();
}
}
}
我们把邮件发送了C盘，可以到C盘查看，如果需要实际发送，可以参考我的其他博客，有专门说明！
请您到ITEYE网站看原创，谢谢！
JSP页面页面除了引用fckeditor外，要注意我们是需要发送附件的：
Java代码
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%
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>发送邮件</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<script type="text/javascript" src="fckeditor/fckeditor.js"></script>
<script type="text/javascript">
window.onload=function(){
var oFCKeditor = new FCKeditor( 'content' ) ;
//编译器基本路径
oFCKeditor.BasePath = "/pro_04/fckeditor/";
//高度
oFCKeditor.Width=800;
//宽度
oFCKeditor.Height=300;
//工具条集合名称(Default,Basic或自己制定，关于ＦＣＫ的使用，博客内有专门文章)
//具体的配置可以将默认显示出来然后到FCK目录里的fckconfig.js里
//FCKConfig.ToolbarSets["Default"]数组中去除不要的功能一共63个功能属性
//oFCKeditor.ToolbarSet="Basic";
oFCKeditor.ReplaceTextarea() ;
}
</script>
</head>
<body>
<!-- 注意表单格式，这里需要上传附件 -->
<form action="SendMailServlet" method="post" enctype="multipart/form-data">
<table>
<tr>
<td>收件人：</td>
<td><input type="text" name="to" /></td>
</tr>
<tr>
<td>抄送：</td>
<td><input type="text" name="copy" /></td>
</tr>
<tr>
<td>主题：</td>
<td><input type="text" name="title" /></td>
</tr>
<tr>
<td>信件内容：</td>
<td><textarea rows="10" cols="20" name="content" id="content"></textarea></td>
</tr>
<tr>
<td>附件：</td>
<td><input type='file' name='ufile' /></td>
</tr>
<tr>
<td>背景音乐：</td>
<td><input type='file' name='umusic' /></td>
</tr>
<tr>
<td>背景图片：</td><!-- 背景图片我们后台自己准备 -->
<td>
<select name="bgimg">
<option value="1">一号</option>
<option value="2">二号</option>
</select>
</td>
</tr>
<tr align="right">
<td colspan="2"><input type="submit" value="发 送"></td>
</tr>
</table>
</form>
</body>
</html>
为了防止乱码，会经过一个过滤器：
Java代码
package org.filter;
import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
/**
* 过滤器防止乱码
* @说明
* @author cuisuqiang
* @version 1.0
* @since
*/
public class EncodingFilter implements Filter {
public void destroy() {
}
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain chain) throws IOException, ServletException {
request.setCharacterEncoding("UTF-8");
response.setCharacterEncoding("UTF-8");
chain.doFilter(request, response);
}
public void init(FilterConfig arg0) throws ServletException {
}
}
然后到Servlet处理附件和信息，这里就不做异常处理了，出错直接报错：
Java代码
package org.servlet;
import java.io.*;
import java.util.*;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.FileItemFactory;
import org.apache.commons.fileupload.FileUploadException;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;
import org.entity.MailModel;
import org.mail.SendMail;
/**
* 接收表单，处理附件，组装邮件对象，并调用发送接口
* @说明 在C盘创建临时文件
* @author cuisuqiang
* @version 1.0
* @since
*/
@SuppressWarnings("serial")
public class SendMailServlet extends HttpServlet {
@SuppressWarnings( { "unchecked", "deprecation" })
@Override
protected void service(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
// 建立磁盘工厂
FileItemFactory factory = new DiskFileItemFactory();
// 表单域
ServletFileUpload upload = new ServletFileUpload(factory);
List<FileItem> items = null;
String bgimg = "1"; // 默认是第一个背景图片
try {
items = upload.parseRequest(request);
} catch (FileUploadException e) {
e.printStackTrace();
}
MailModel mail = new MailModel();
InputStream is = null;
for (FileItem item : items) {
if (!item.isFormField()) { // 如果是附件
if (item.getSize() > 0) {
is = item.getInputStream();
String filename = "";
if (item.getName().indexOf("\\") == -1) {
filename = "c:\\tmp\\" + item.getName();
} else {
filename = "c:\\tmp\\" + item.getName().substring(item.getName().lastIndexOf("\\"));
}
if (is.markSupported()) {
System.out.println("没有上传文件或文件已经删除");
} else {
File file = new File(filename);
FileOutputStream fos = new FileOutputStream(file); // 建立输出流
byte[] buffer = new byte[8192]; // 每次读8K字节，大文件上传没有问题
int count = 0;
while ((count = is.read(buffer)) > 0) { // 循环写入到硬盘
fos.write(buffer, 0, count);
}
fos.close(); // 关闭输入输出流
is.close();
if (item.getFieldName().equals("ufile")) {
mail.setFilePath(filename);
} else if (item.getFieldName().equals("umusic")) {
mail.setMusicPath(filename);
}
}
}
} else { // 处理文本信息
if (item.getFieldName().equals("title")) {
mail.setTitle(item.getString("UTF-8"));
} else if (item.getFieldName().equals("content")) {
mail.setContext(item.getString("UTF-8"));
} else if (item.getFieldName().equals("to")) {
mail.setTo(item.getString("UTF-8"));
} else if (item.getFieldName().equals("copy")) {
mail.setCopy(item.getString("UTF-8"));
} else if (item.getFieldName().equals("bgimg")) {
bgimg = item.getString("UTF-8");
}
}
}
String bgPath = request.getRealPath("/") + "\\images\\bg" + bgimg + ".jpg";
mail.setBgPath(bgPath);
try {
SendMail.sendMail(mail);
} catch (Exception e) {
e.printStackTrace();
}
response.sendRedirect(request.getContextPath() + "/sendmail.jsp");
}
}
这里也没有验证，接收到信息后组装一个邮件实体对象，传递到发送接口中发送：
实体，我就不写ｇｅｔ和ｓｅｔ方法了：
Java代码
package org.entity;
/**
* 一封邮件的对象
* @说明
* @author cuisuqiang
* @version 1.0
* @since
*/
public class MailModel {
/**
* 主键
*/
private int id;
/**
* 邮件标题
*/
private String title;
/**
* 发送给谁
*/
private String to;
/**
* 背景图片地址
*/
private String bgPath;
/**
* 抄送给谁
*/
private String copy;
/**
* 邮件内容
*/
private String context;
/**
* 附件地址
*/
private String filePath;
/**
* 背景音乐地址
*/
private String musicPath;
}
然后我们来看看核心处理类：
Java代码
package org.mail;
import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStream;
import java.util.Date;
import java.util.Properties;
import javax.activation.DataHandler;
import javax.activation.DataSource;
import javax.activation.FileDataSource;
import javax.mail.Message;
import javax.mail.Session;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;
import javax.mail.internet.MimeUtility;
import org.entity.MailModel;
/**
* 发送一封邮件
* @说明 注意这里并没有实际发送而是保存在了C盘临时文件中，真是发送的话，请参考我的博客
* @author cuisuqiang
* @version 1.0
* @since
*/
public class SendMail {
public static void sendMail(MailModel mail) throws Exception {
Properties props = new Properties();
props.put("mail.smtp.auth", "true");
Session session = Session.getInstance(props);
Message message = new MimeMessage(session);
InternetAddress from = new InternetAddress();
from.setPersonal(MimeUtility.encodeText("风中落叶<cuisuqiang@163.com>"));
message.setFrom(from);
InternetAddress to = new InternetAddress(mail.getTo());
message.setRecipient(Message.RecipientType.TO, to);
// 是否抄送
if (null != mail.getCopy() && !"".equals(mail.getCopy())) {
InternetAddress copy = new InternetAddress(mail.getCopy());
message.setRecipient(Message.RecipientType.CC, copy);
}
message.setSubject(MimeUtility.encodeText(mail.getTitle()));
message.setSentDate(new Date());
// 指定为混合关系
MimeMultipart msgMultipart = new MimeMultipart("mixed");
message.setContent(msgMultipart);
MimeBodyPart content = new MimeBodyPart();
msgMultipart.addBodyPart(content);
// 依赖关系
MimeMultipart bodyMultipart = new MimeMultipart("related");
content.setContent(bodyMultipart);
MimeBodyPart htmlPart = new MimeBodyPart();
// 组装的顺序非常重要
bodyMultipart.addBodyPart(htmlPart);
MimeBodyPart in_bg = new MimeBodyPart();
bodyMultipart.addBodyPart(in_bg);
DataSource bgsou = new FileDataSource(mail.getBgPath());
DataHandler bghd = new DataHandler(bgsou);
in_bg.setDataHandler(bghd);
in_bg.setHeader("Content-Location", "bg.jpg");
// 是否使用了背景音乐
if (null == mail.getMusicPath() || "".equals(mail.getMusicPath())) {
String start = "<html><body background='bg.jpg'>";
String end = "</body></html>";
htmlPart.setContent(start + mail.getContext() + end,"text/html;charset=UTF-8");
} else {
MimeBodyPart in_Part = new MimeBodyPart();
bodyMultipart.addBodyPart(in_Part);
DataSource gifds = new FileDataSource(mail.getMusicPath());
DataHandler gifdh = new DataHandler(gifds);
in_Part.setDataHandler(gifdh);
in_Part.setHeader("Content-Location", "bg.mp3");
String start = "<html><head><bgsound src='bg.mp3' loop='-1'></head><body background='bg.jpg'>";
String end = "</body></html>";
htmlPart.setContent(start + mail.getContext() + end,"text/html;charset=UTF-8");
}
// 组装附件
if (null != mail.getFilePath() && !"".equals(mail.getFilePath())) {
MimeBodyPart file = new MimeBodyPart();
FileDataSource file_datasource = new FileDataSource(mail
.getFilePath());
DataHandler dh = new DataHandler(file_datasource);
file.setDataHandler(dh);
file.setFileName(MimeUtility.encodeText(dh.getName()));
msgMultipart.addBodyPart(file);
}
message.saveChanges();
// 保存邮件
OutputStream ips = new FileOutputStream("C:\\tmp\\test.eml");
message.writeTo(ips);
ips.close();
System.out.println("------------发送完毕------------");
// 删除临时文件
if (null != mail.getMusicPath() && !"".equals(mail.getMusicPath())) {
File file = new File(mail.getMusicPath());
file.delete();
}
if (null != mail.getFilePath() && !"".equals(mail.getFilePath())) {
File file = new File(mail.getFilePath());
file.delete();
}
}
}
我们把邮件发送了C盘，可以到C盘查看，如果需要实际发送，可以参考我的其他博客，有专门说明！
请您到ITEYE网站看原创，谢谢！
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