java邮件客户端
/***
*邮件VO
**/
package net.jk.util.email.vo; import java.util.Date; import java.util.List; import net.jk.app.model.App_emailfile; public class App_email { private String title; // 主题 private String fromaddr; // 发件人 private String toaddr; // 收件人 private String acctoaddr; // 抄送 private String kind="no"; // 类型 private String sta = "收件箱"; // 状态 private Date senddate = new Date(); // 发送(接收)时间 private String mailbody; // 正文 private List<App_emailfile> app_emailfiles; /** [集合] */ public String getTitle() { return title; } public void setTitle(String title) { this.title = title; } public String getFromaddr() { return fromaddr; } public void setFromaddr(String fromaddr) { this.fromaddr = fromaddr; } public String getToaddr() { return toaddr; } public void setToaddr(String toaddr) { this.toaddr = toaddr; } public String getAcctoaddr() { return acctoaddr; } public void setAcctoaddr(String acctoaddr) { this.acctoaddr = acctoaddr; } public String getKind() { return kind; } public void setKind(String kind) { this.kind = kind; } public String getSta() { return sta; } public void setSta(String sta) { this.sta = sta; } public Date getSenddate() { return senddate; } public void setSenddate(Date senddate) { this.senddate = senddate; } public String getMailbody() { return mailbody; } public void setMailbody(String mailbody) { this.mailbody = mailbody; } public List<App_emailfile> getApp_emailfiles() { return app_emailfiles; } public void setApp_emailfiles(List<App_emailfile> app_emailfiles) { this.app_emailfiles = app_emailfiles; } }
package net.jk.util.email.vo;
/**
*
*
* @author ZOUQH
* 邮件附件实体
*
*/
public class App_emailfile {
private App_email app_email;
private String name; //名称
private String url; //URL
private String kind; //类型
private String sta="启用"; //状态
public App_email getApp_email() {
return app_email;
}
public void setApp_email(App_email app_email) {
this.app_email = app_email;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getUrl() {
return url;
}
public void setUrl(String url) {
this.url = url;
}
public String getKind() {
return kind;
}
public void setKind(String kind) {
this.kind = kind;
}
public String getSta() {
return sta;
}
public void setSta(String sta) {
this.sta = sta;
}
}
检查是否存在新邮件如果存在则收取并且标记已读
package net.jk.util.email;
import java.io.UnsupportedEncodingException;
import java.security.Security;
import java.util.Properties;
import javax.mail.FetchProfile;
import javax.mail.Flags;
import javax.mail.Folder;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Session;
import javax.mail.Store;
import com.sun.mail.imap.IMAPFolder;
/***
*
* @author zouqh
*
*/
public class CheckNewMail {
private String imaphost;
private String username;
private String password;
private Session session;
private Store store;
private IMAPFolder folder=null;
public CheckNewMail(String imaphost, String username, String password) {
this.imaphost = imaphost;
this.username = username;
this.password = password;
}
private void connect() throws MessagingException {
Security.addProvider( new com.sun.net.ssl.internal.ssl.Provider());
final String SSL_FACTORY = "javax.net.ssl.SSLSocketFactory" ;
Properties props = System.getProperties();
props.setProperty( "mail.imap.socketFactory.class" , SSL_FACTORY);
props.setProperty( "mail.imap.socketFactory.port" , "993" );
props.put("mail.store.protocol", "imap");
props.put("mail.imap.host", imaphost);
props.put("mail.imap.ssl.enable", "true");
//props.setProperty( "mail.imap.socketFactory.fallbac " , "false" );
props.setProperty( " mail.imap.port" , "993" );
props.setProperty("mail.imap.auth.login.disable", "true");
this.session = Session.getInstance(props,null);
this.session.setDebug(false);
this.store = session.getStore("imap");
this.store.connect(imaphost,username, password);
}
public int getNewMailCount() {
int count = 0;
int total = 0;
try {
this.connect();
folder = (IMAPFolder) store.getFolder("INBOX");
folder.open(Folder.READ_WRITE);
FetchProfile profile = new FetchProfile();
profile.add(FetchProfile.Item.ENVELOPE);
Message[] messages = folder.getMessages();
folder.fetch(messages, profile);
System.out.println("收件箱的邮件数：" + messages.length);
count = folder.getNewMessageCount();
total = folder.getMessageCount();
System.out.println("-----------------您的邮箱共有邮件：" + total+" 封--------------");
System.out.println("\t收件箱的总邮件数：" + messages.length);
System.out.println("\t未读邮件数：" + folder.getUnreadMessageCount());
System.out.println("\t新邮件数：" + folder.getNewMessageCount());
System.out.println("----------------End------------------");
for(int i=(total-count);i<total;i++){
Message message = messages[i];
//message.setFlag(Flags.Flag.SEEN, true);
}
} catch (MessagingException e) {
try
{
byte[] buf = e.getMessage().getBytes("ISO-8859-1");
System.out.println(new String(buf, "GBK"));
}
catch (UnsupportedEncodingException e1)
{
e1.printStackTrace();
}
throw new RuntimeException("登录失败", e);
} finally {
closeConnect();
}
return count;
}
// 关闭连接
public void closeConnect() {
try {
if (folder != null)
folder.close(true);// 关闭连接时是否删除邮件，true删除邮件
} catch (MessagingException e) {
e.printStackTrace();
} finally {
try {
if (store != null)
store.close();// 关闭收件箱连接
} catch (MessagingException e) {
e.printStackTrace();
}
}
}
public static void main(String[] args) {
CheckNewMail mail = new CheckNewMail("imap.163.com",
"[email protected]", "218660360****");
// CheckNewMail mail = new CheckNewMail("imap.qq.com",
// "[email protected]", "218660360****"");
// CheckNewMail mail = new CheckNewMail("imap.yeah.net",
// "[email protected]", "218660360****"");
System.out.println(mail.getNewMailCount());
}
}
package net.jk.util.email;
import java.io.File;
import java.security.Security;
import java.util.Properties;
import com.sun.net.ssl.internal.ssl.Provider;
/**
* 收邮件的基本信息
*/
public class MailReceiverInfo {
// 邮件服务器的IP、端口和协议
private String mailServerHost;
private String mailServerPort = "110";
private String protocal = "pop3";
// 登陆邮件服务器的用户名和密码
private String userName;
private String password;
// 保存邮件的路径
private String attachmentDir = "C:/temp/";
private String emailDir = "C:/temp/";
private String emailFileSuffix = ".eml";
// 是否需要身份验证
private boolean validate = true;
private boolean isSSL;
/**
* 获得邮件会话属性
*/
public Properties getProperties() {
Properties p = new Properties();
if (isSSL() == true) {
Security.addProvider(new Provider());
final String SSL_FACTORY = "javax.net.ssl.SSLSocketFactory";
p.setProperty("mail.pop3.socketFactory.class", SSL_FACTORY);
p.setProperty("mail.pop3.socketFactory.fallback", "false");
p.setProperty("mail.pop3.port", this.mailServerPort);
p.setProperty("mail.pop3.socketFactory.port", this.mailServerPort);
p.put("mail.pop3.host", this.mailServerHost);
p.put("mail.pop3.auth", validate ? "true" : "false");
} else {
p.put("mail.pop3.host", this.mailServerHost);
p.put("mail.pop3.port", this.mailServerPort);
p.put("mail.pop3.auth", validate ? "true" : "false");
}
return p;
}
public String getProtocal() {
return protocal;
}
public void setProtocal(String protocal) {
this.protocal = protocal;
}
public String getAttachmentDir() {
return attachmentDir;
}
public void setAttachmentDir(String attachmentDir) {
if (!attachmentDir.endsWith(File.separator)) {
attachmentDir = attachmentDir + File.separator;
}
this.attachmentDir = attachmentDir;
}
public String getEmailDir() {
return emailDir;
}
public void setEmailDir(String emailDir) {
if (!emailDir.endsWith(File.separator)) {
emailDir = emailDir + File.separator;
}
this.emailDir = emailDir;
}
public String getEmailFileSuffix() {
return emailFileSuffix;
}
public void setEmailFileSuffix(String emailFileSuffix) {
if (!emailFileSuffix.startsWith(".")) {
emailFileSuffix = "." + emailFileSuffix;
}
this.emailFileSuffix = emailFileSuffix;
}
public String getMailServerHost() {
return mailServerHost;
}
public void setMailServerHost(String mailServerHost) {
this.mailServerHost = mailServerHost;
}
public String getMailServerPort() {
return mailServerPort;
}
public void setMailServerPort(String mailServerPort) {
this.mailServerPort = mailServerPort;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public String getUserName() {
return userName;
}
public void setUserName(String userName) {
this.userName = userName;
}
public boolean isValidate() {
return validate;
}
public void setValidate(boolean validate) {
this.validate = validate;
}
public boolean isSSL() {
return isSSL;
}
public void setSSL(boolean isSSL) {
this.isSSL = isSSL;
}
}
package net.jk.util.email;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStreamWriter;
import java.io.Reader;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import javax.mail.BodyPart;
import javax.mail.Flags;
import javax.mail.Folder;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Multipart;
import javax.mail.NoSuchProviderException;
import javax.mail.Part;
import javax.mail.Session;
import javax.mail.Store;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;
import javax.mail.internet.MimeUtility;
import net.jk.app.model.App_email;
import net.jk.app.model.App_emailfile;
import org.apache.commons.io.FileUtils;
/**
* 邮件接收器，目前支持pop3协议。 能够接收文本、HTML和带有附件的邮件
*/
public class MailReceiver {
// 收邮件的参数配置
private MailReceiverInfo receiverInfo;
// 与邮件服务器连接后得到的邮箱
private Store store;
// 收件箱
private Folder folder;
// 收件箱中的邮件消息
private Message[] messages;
// 当前正在处理的邮件消息
private Message currentMessage;
private String currentEmailFileName;
private App_email app_email;
private App_emailfile app_emailfiles;
public List<App_email> app_emails = new ArrayList<App_email>();
private static String path;
public MailReceiver(String email, String password, String host,
String hostport, boolean isSSL, String root) {
this.receiverInfo = new MailReceiverInfo();
this.receiverInfo.setUserName(email);
this.receiverInfo.setPassword(password);
this.receiverInfo.setMailServerHost(host);
this.receiverInfo.setMailServerPort(hostport);
this.receiverInfo.setSSL(isSSL);
this.receiverInfo.setValidate(true);
path=root;
this.receiverInfo.setEmailDir(root + File.separator + email
+ File.separator);
this.receiverInfo.setAttachmentDir(root + File.separator + email
+ File.separator);
}
public App_email getApp_email() {
return app_email;
}
public void setApp_email(App_email app_email) {
this.app_email = app_email;
}
public void setApp_emailfiles(App_emailfile app_emailfiles) {
this.app_emailfiles = app_emailfiles;
}
public App_emailfile getApp_emailfiles() {
return app_emailfiles;
}
public List<App_email> getApp_emails() {
return app_emails;
}
public void setApp_emails(List<App_email> app_emails) {
this.app_emails = app_emails;
}
private int total;
public int getTotal() {
return total;
}
public void setTotal(int total) {
this.total = total;
}
public MailReceiver(MailReceiverInfo receiverInfo) {
this.receiverInfo = receiverInfo;
}
/**
* 收邮件
*/
public void receiveAllMail() throws Exception {
if (this.receiverInfo == null) {
throw new Exception("必须提供接收邮件的参数！");
}
// 连接到服务器
if (this.connectToServer()) {
// 打开收件箱
if (this.openInBoxFolder()) {
// 获取所有邮件
this.getAllMail();
this.closeConnection();
} else {
throw new Exception("打开收件箱失败！");
}
} else {
throw new Exception("连接邮件服务器失败！");
}
}
/**
* 收邮件
*/
public void receiveMail(int count) throws Exception {
if (this.receiverInfo == null) {
throw new Exception("必须提供接收邮件的参数！");
}
// 连接到服务器
if (this.connectToServer()) {
// 打开收件箱
if (this.openInBoxFolder()) {
// 获取指定邮件
this.getMail(count);
this.closeConnection();
} else {
throw new Exception("打开收件箱失败！");
}
} else {
throw new Exception("连接邮件服务器失败！");
}
}
/**
* 登陆邮件服务器
*/
public boolean connectToServer() {
// 判断是否需要身份认证
MyAuthenticator authenticator = null;
if (this.receiverInfo.isValidate()) {
// 如果需要身份认证，则创建一个密码验证器
authenticator = new MyAuthenticator(
this.receiverInfo.getUserName(),
this.receiverInfo.getPassword());
}
// 创建session
Session session = Session.getInstance(
this.receiverInfo.getProperties(), authenticator);
// session.setDebug(true);
// 创建store,建立连接
try {
this.store = session.getStore(this.receiverInfo.getProtocal());
} catch (NoSuchProviderException e) {
System.out.println("连接服务器失败！");
return false;
}
System.out.println("connecting");
try {
this.store.connect();
} catch (MessagingException e) {
System.out.println("连接服务器失败！");
return false;
}
System.out.println("连接服务器成功");
return true;
}
/**
* 打开收件箱
*/
private boolean openInBoxFolder() {
try {
this.folder = store.getFolder("INBOX");
// 只读
folder.open(Folder.READ_ONLY);
return true;
} catch (MessagingException e) {
System.err.println("打开收件箱失败！");
}
return false;
}
/**
* 断开与邮件服务器的连接
*/
private boolean closeConnection() {
try {
if (this.folder.isOpen()) {
this.folder.close(true);
}
this.store.close();
System.out.println("成功关闭与邮件服务器的连接！");
return true;
} catch (Exception e) {
System.out.println("关闭和邮件服务器之间连接时出错！");
}
return false;
}
/**
* 获取messages中的所有邮件
*
* @throws MessagingException
*/
private void getAllMail() throws MessagingException {
// 从邮件文件夹获取邮件信息
this.messages = this.folder.getMessages();
System.out.println("总的邮件数目：" + messages.length);
System.out.println("新邮件数目：" + this.getNewMessageCount());
System.out.println("未读邮件数目：" + this.getUnreadMessageCount());
// 将要下载的邮件的数量。
int mailArrayLength = this.getMessageCount();
System.out.println("一共有邮件" + mailArrayLength + "封");
int errorCounter = 0; // 邮件下载出错计数器
int successCounter = 0;
for (int index = 0; index < mailArrayLength; index++) {
try {
this.currentMessage = (messages[index]); // 设置当前message
System.out.println("正在获取第" + index + "封邮件");
this.showMailBasicInfo();
getMail(); // 获取当前message
System.out.println("成功获取第" + index + "封邮件");
successCounter++;
} catch (Throwable e) {
e.printStackTrace();
errorCounter++;
System.err.println("下载第" + index + "封邮件时出错");
}
}
System.out.println("------------------");
System.out.println("成功下载了" + successCounter + "封邮件");
System.out.println("失败下载了" + errorCounter + "封邮件");
System.out.println("------------------");
}
private void getMail(int count) throws MessagingException {
this.messages = this.folder.getMessages();
System.out.println("总的邮件数目：" + messages.length);
System.out.println("新邮件数目：" + this.getNewMessageCount());
System.out.println("未读邮件数目：" + this.getUnreadMessageCount());
int num = this.getMessageCount();
int len = 0;
int index = 0;
int errorCounter = 0; // 邮件下载出错计数器
int successCounter = 0;
if (num > count) {
index = num - count;
len = num;
}
if (num <= count) {
len = count;
}
for (; index < len; index++) {
try {
this.currentMessage = (messages[index]); // 设置当前message
this.currentMessage.setFlag(Flags.Flag.SEEN, true);
System.out.println("正在获取第" + index + "封邮件");
this.showMailBasicInfo();
getMail(); // 获取当前message
System.out.println("成功获取第" + index + "封邮件");
successCounter++;
} catch (Throwable e) {
e.printStackTrace();
errorCounter++;
System.err.println("下载第" + index + "封邮件时出错");
}
}
System.out.println("成功下载了" + successCounter + "封邮件");
System.out.println("失败下载了" + errorCounter + "封邮件");
System.out.println("------------------");
}
/**
* 显示邮件的基本信息
*/
private void showMailBasicInfo() throws Exception {
showMailBasicInfo(this.currentMessage);
}
private void showMailBasicInfo(Message message) throws Exception {
System.out.println("-------- 邮件ID：" + this.getMessageId()
+ " ---------");
System.out.println("From：" + this.getFrom());
System.out.println("To：" + this.getTOAddress());
System.out.println("CC：" + this.getCCAddress());
System.out.println("BCC：" + this.getBCCAddress());
System.out.println("Subject：" + this.getSubject());
System.out.println("发送时间：：" + this.getSentDate());
System.out.println("是新邮件？" + this.isNew());
System.out.println("要求回执？" + this.getReplySign());
System.out.println("包含附件？" + this.isContainAttach());
System.out.println("------------------------------");
}
/**
* 获得邮件的收件人，抄送，和密送的地址和姓名，根据所传递的参数的不同 "to"----收件人 "cc"---抄送人地址 "bcc"---密送人地址
*/
private String getTOAddress() throws Exception {
return getMailAddress("TO", this.currentMessage);
}
private String getCCAddress() throws Exception {
return getMailAddress("CC", this.currentMessage);
}
private String getBCCAddress() throws Exception {
return getMailAddress("BCC", this.currentMessage);
}
/**
* 获得邮件地址
*
* @param type
* 类型，如收件人、抄送人、密送人
* @param mimeMessage
* 邮件消息
* @return
* @throws Exception
*/
private String getMailAddress(String type, Message mimeMessage)
throws Exception {
String mailaddr = "";
String addtype = type.toUpperCase();
InternetAddress[] address = null;
if (addtype.equals("TO") || addtype.equals("CC")
|| addtype.equals("BCC")) {
if (addtype.equals("TO")) {
address = (InternetAddress[]) mimeMessage
.getRecipients(Message.RecipientType.TO);
} else if (addtype.equals("CC")) {
address = (InternetAddress[]) mimeMessage
.getRecipients(Message.RecipientType.CC);
} else {
address = (InternetAddress[]) mimeMessage
.getRecipients(Message.RecipientType.BCC);
}
if (address != null) {
for (int i = 0; i < address.length; i++) {
// 先获取邮件地址
String email = address[i].getAddress();
if (email == null) {
email = "";
} else {
email = MimeUtility.decodeText(email);
}
// 再取得个人描述信息
String personal = address[i].getPersonal();
if (personal == null) {
personal = "";
} else {
personal = MimeUtility.decodeText(personal);
}
// 将个人描述信息与邮件地址连起来
String compositeto = personal + "<" + email + ">";
// 多个地址时，用逗号分开
mailaddr += "," + compositeto;
}
mailaddr = mailaddr.substring(1);
}
} else {
throw new Exception("错误的地址类型！!");
}
return mailaddr;
}
/**
* 获得发件人的地址和姓名
*
* @throws Exception
*/
private String getFrom() throws Exception {
return getFrom(this.currentMessage);
}
private String getFrom(Message mimeMessage) throws Exception {
InternetAddress[] address = (InternetAddress[]) mimeMessage.getFrom();
// 获得发件人的邮箱
String from = address[0].getAddress();
if (from == null) {
from = "";
}
// 获得发件人的描述信息
String personal = address[0].getPersonal();
if (personal == null) {
personal = "";
}
// 拼成发件人完整信息
String fromaddr = personal + "<" + from + ">";
return fromaddr;
}
/**
* 获取messages中message的数量
*
* @return
*/
private int getMessageCount() {
return this.messages.length;
}
/**
* 获得收件箱中新邮件的数量
*
* @return
* @throws MessagingException
*/
private int getNewMessageCount() throws MessagingException {
return this.folder.getNewMessageCount();
}
/**
* 获得收件箱中未读邮件的数量
*
* @return
* @throws MessagingException
*/
private int getUnreadMessageCount() throws MessagingException {
return this.folder.getUnreadMessageCount();
}
/**
* 获得邮件主题
*/
private String getSubject() throws MessagingException {
return getSubject(this.currentMessage);
}
private String getSubject(Message mimeMessage) throws MessagingException {
String subject = "";
String tempStr = "";
tempStr = mimeMessage.getSubject();
tempStr = MessyCodeCheck.toGb2312(tempStr);
try {
// 将邮件主题解码
subject = MimeUtility.decodeText(tempStr);
if (subject == null) {
subject = "";
}
} catch (Exception exce) {
}
return subject;
}
/**
* 获得邮件发送日期
*/
private Date getSentDate() throws Exception {
return getSentDate(this.currentMessage);
}
private Date getSentDate(Message mimeMessage) throws Exception {
return mimeMessage.getSentDate();
}
/**
* 判断此邮件是否需要回执，如果需要回执返回"true",否则返回"false"
*/
private boolean getReplySign() throws MessagingException {
return getReplySign(this.currentMessage);
}
private boolean getReplySign(Message mimeMessage) throws MessagingException {
boolean replysign = false;
String needreply[] = mimeMessage
.getHeader("Disposition-Notification-To");
if (needreply != null) {
replysign = true;
}
return replysign;
}
/**
* 获得此邮件的Message-ID
*/
private String getMessageId() throws MessagingException {
return getMessageId(this.currentMessage);
}
private String getMessageId(Message mimeMessage) throws MessagingException {
return ((MimeMessage) mimeMessage).getMessageID();
}
/**
* 判断此邮件是否已读，如果未读返回返回false,反之返回true
*/
private boolean isNew() throws MessagingException {
return isNew(this.currentMessage);
}
private boolean isNew(Message mimeMessage) throws MessagingException {
boolean isnew = false;
Flags flags = mimeMessage.getFlags();
Flags.Flag[] flag = flags.getSystemFlags();
for (int i = 0; i < flag.length; i++) {
if (flag[i] == Flags.Flag.SEEN) {
isnew = true;
break;
}
}
return isnew;
}
/**
* 判断此邮件是否包含附件
*/
private boolean isContainAttach() throws Exception {
return isContainAttach(this.currentMessage);
}
private boolean isContainAttach(Part part) throws Exception {
boolean attachflag = false;
int k = 0;
if (part.isMimeType("multipart/*")) {
// 如果邮件体包含多部分
Multipart mp = (Multipart) part.getContent();
// 遍历每部分
for (int i = 0; i < mp.getCount(); i++) {
// 获得每部分的主体
BodyPart bodyPart = mp.getBodyPart(i);
String disposition = bodyPart.getDisposition();
if ((disposition != null)
&& ((disposition.equals(Part.ATTACHMENT)) || (disposition
.equals(Part.INLINE)))) {
k++;
attachflag = true;
} else if (bodyPart.isMimeType("multipart/mixed")) {
k++;
attachflag = isContainAttach((Part) bodyPart);
} else {
String contype = bodyPart.getContentType();
if (contype.toLowerCase().indexOf("application") != -1) {
attachflag = true;
k++;
}
if (contype.toLowerCase().indexOf("name") != -1) {
attachflag = true;
k++;
}
}
}
} else if (part.isMimeType("message/rfc822")) {
attachflag = isContainAttach((Part) part.getContent());
}
if (attachflag) {
System.out
.println("hello==================================part.isMimeType"
+ k + attachflag);
}
return attachflag;
}
/**
* 获得当前邮件
*/
private void getMail() throws Exception {
try {
List<App_emailfile> emailfiles = new ArrayList<App_emailfile>();
App_email emailcontent = new App_email();
emailcontent.setApp_emailfiles(this.getEmailFiles(emailfiles,
this.currentMessage,emailcontent));
// this.saveMessageAsFile(currentMessage);
this.parseMessage(currentMessage, emailcontent);
} catch (IOException e) {
throw new IOException("保存邮件出错，检查保存路径");
} catch (MessagingException e) {
throw new MessagingException("邮件转换出错");
} catch (Exception e) {
e.printStackTrace();
throw new Exception("未知错误");
}
}
/**
* 保存邮件源文件
*/
private void saveMessageAsFile(Message message) {
try {
// 将邮件的ID中尖括号中的部分做为邮件的文件名
String oriFileName = null;
if (this.getMessageId(message) != null) {
oriFileName = getInfoBetweenBrackets(this.getMessageId(message)
.toString());
}
// 设置文件后缀名。若是附件则设法取得其文件后缀名作为将要保存文件的后缀名，
// 若是正文部分则用.htm做后缀名
String emlName = oriFileName;
String fileNameWidthExtension = this.receiverInfo.getEmailDir()
+ oriFileName + this.receiverInfo.getEmailFileSuffix();
File storeFile = new File(fileNameWidthExtension);
for (int i = 0; storeFile.exists(); i++) {
emlName = oriFileName + i;
fileNameWidthExtension = this.receiverInfo.getEmailDir()
+ emlName + this.receiverInfo.getEmailFileSuffix();
storeFile = new File(fileNameWidthExtension);
}
this.currentEmailFileName = emlName;
System.out.println("邮件消息的存储路径: " + fileNameWidthExtension);
File file = null;
file = new File(this.receiverInfo.getEmailDir());
// FileUtils.forceMkdir(file);
file = storeFile;
// FileUtils.touch(file);
// 将邮件消息的内容写入ByteArrayOutputStream流中
ByteArrayOutputStream baos = new ByteArrayOutputStream();
message.writeTo(baos);
// 读取邮件消息流中的数据
// StringReader in = new StringReader(baos.toString());
// 存储到文件
// saveFile(fileNameWidthExtension, in);
} catch (MessagingException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
}
/*
* 解析邮件
*/
private void parseMessage(Message message, App_email emailcontent)
throws IOException, MessagingException {
Object content = message.getContent();
if (content instanceof Multipart) {
handleMultipart((Multipart) content, emailcontent);
} else if (content instanceof String) {
if (content != null) {
emailcontent.setMailbody( content.toString());
try {
emailcontent.setSenddate(this.getSentDate());
emailcontent.setTitle(this.getSubject());
emailcontent.setFromaddr(this.getFrom());
emailcontent.setToaddr(this.getTOAddress());
emailcontent.setAcctoaddr(this.getBCCAddress());
app_emails.add(emailcontent);
} catch (Exception e) {
e.printStackTrace();
}
}
}
else {
handlePart(message, emailcontent);
}
}
/*
* 解析Multipart
*/
private void handleMultipart(Multipart multipart, App_email emailcontent)
throws MessagingException, IOException {
for (int i = 0, n = multipart.getCount(); i < n; i++) {
handlePart(multipart.getBodyPart(i), emailcontent);
}
}
/*
* 解析指定part,从中提取文件
*/
private void handlePart(Part part, App_email emailcontent)
throws MessagingException, IOException {
String disposition = null;
String content = null;
disposition = part.getDisposition();
// 当前没有附件的情况
if (disposition == null) {
Object obj = part.getContent();
System.out.println("abcdefg======>" + (obj instanceof Multipart));
if (obj instanceof String) {
content = (String) obj;
if (content != null) {
emailcontent.setMailbody(content);
try {
emailcontent.setSenddate(this.getSentDate());
emailcontent.setTitle(this.getSubject());
emailcontent.setFromaddr(this.getFrom());
emailcontent.setToaddr(this.getTOAddress());
emailcontent.setAcctoaddr(this.getBCCAddress());
} catch (Exception e) {
e.printStackTrace();
}
}
app_emails.add(emailcontent);
}
if (obj instanceof Multipart) {
this.handleMultipart((Multipart) obj, emailcontent);
}
}
if (!Part.ATTACHMENT.equalsIgnoreCase(part.getDisposition())) {
if (part.getContent().getClass().equals(MimeMultipart.class)) {
MimeMultipart mimemultipart = (MimeMultipart) part.getContent();
System.out.println("Number of embedded multiparts "
+ mimemultipart.getCount());
for (int k = 0; k < mimemultipart.getCount(); k++) {
if (mimemultipart.getBodyPart(k).getFileName() != null) {
System.out.println(" > Creating file with name : "
+ mimemultipart.getBodyPart(k).getFileName());
savefile(mimemultipart.getBodyPart(k).getFileName(),
mimemultipart.getBodyPart(k).getInputStream());
}
}
}
}
System.out.println(" > Creating file with name : "
+ part.getFileName());
savefile(part.getFileName(), part.getInputStream());
}
public List<App_emailfile> getEmailFiles(List<App_emailfile> emailFiles, Part part,App_email emailcontent) {
boolean attachflag = false;
App_emailfile emailfile = null;
try {
if (part.isMimeType("multipart/*")) {
// 如果邮件体包含多部分
Multipart mp = (Multipart) part.getContent();
// 遍历每部分
for (int i = 0; i < mp.getCount(); i++) {
// 获得每部分的主体
BodyPart bodyPart = mp.getBodyPart(i);
String disposition = bodyPart.getDisposition();
if ((disposition != null)
&& ((disposition.equals(Part.ATTACHMENT)) || (disposition
.equals(Part.INLINE)))) {
emailfile = new App_emailfile();
emailfile.setName(getFileName(bodyPart));
emailfile.setUrl(path+bodyPart.getFileName());
System.out.println();
emailfile
.setKind(MessyCodeCheck.getExtensionName(path));
emailfile.setApp_email(emailcontent);
emailFiles.add(emailfile);
} else {
String contype = bodyPart.getContentType();
if (contype.toLowerCase().indexOf("application") != -1) {
emailfile = new App_emailfile();
emailfile.setName(getFileName(bodyPart));
path = this.receiverInfo.getUserName()
+ getFileName(bodyPart);
emailfile.setUrl(path+bodyPart.getFileName());
emailfile.setKind(MessyCodeCheck
.getExtensionName(path));
emailfile.setApp_email(emailcontent);
emailFiles.add(emailfile);
}
if (contype.toLowerCase().indexOf("name") != -1) {
emailfile = new App_emailfile();
emailfile.setName(getFileName(bodyPart));
path = this.receiverInfo.getUserName()
+ getFileName(bodyPart);
emailfile.setUrl(path+bodyPart.getFileName());
emailfile.setKind(MessyCodeCheck
.getExtensionName(path));
emailfile.setApp_email(emailcontent);
emailFiles.add(emailfile);
}
}
}
} else if (part.isMimeType("message/rfc822")) {
attachflag = isContainAttach((Part) part.getContent());
}
} catch (MessagingException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
System.out
.println("emailFiles.size()==================================>"
+ emailFiles.size());
return emailFiles;
}
public static void savefile(String FileName, InputStream is)
throws IOException {
File f = new File(path+ FileName);
FileUtils.touch(f);
FileOutputStream fos = new FileOutputStream(f);
byte[] buf = new byte[4096];
int bytesRead;
while ((bytesRead = is.read(buf)) != -1) {
fos.write(buf, 0, bytesRead);
}
fos.close();
}
private String getFileName(Part part) throws MessagingException,
UnsupportedEncodingException {
String fileName = part.getFileName();
String name = null;
if (fileName != null) {
fileName = MimeUtility.decodeText(fileName);
name = fileName;
int index = fileName.lastIndexOf("/");
if (index != -1) {
name = fileName.substring(index + 1);
}
}
return name;
}
/**
* 保存文件内容
*
* @param fileName
* 文件名
* @param input
* 输入流
* @throws IOException
*/
private void saveFile(String fileName, Reader input) throws IOException {
// 为了放置文件名重名，在重名的文件名后面天上数字
File file = new File(fileName);
// 先取得文件名的后缀
int lastDot = fileName.lastIndexOf(".");
String extension = fileName.substring(lastDot);
fileName = fileName.substring(0, lastDot);
for (int i = 0; file.exists(); i++) {
// 如果文件重名，则添加i
file = new File(fileName + i + extension);
}
// 从输入流中读取数据，写入文件输出流
FileOutputStream fs = new FileOutputStream(file);
OutputStreamWriter ow = new OutputStreamWriter(fs, "UTF-8");
// FileWriter fos = new FileWriter(file);
BufferedWriter bos = new BufferedWriter(ow);
BufferedReader bis = new BufferedReader(input);
int aByte;
while ((aByte = bis.read()) != -1) {
bos.write(aByte);
}
// 关闭流
bos.flush();
bos.close();
bis.close();
}
/**
* 获得尖括号之间的字符
*
* @param str
* @return
* @throws Exception
*/
private String getInfoBetweenBrackets(String str) throws Exception {
int i, j; // 用于标识字符串中的"<"和">"的位置
if (str == null) {
str = "error";
return str;
}
i = str.lastIndexOf("<");
j = str.lastIndexOf(">");
if (i != -1 && j != -1) {
str = str.substring(i + 1, j);
}
return str;
}
public static void main(String[] args) throws Exception {
MailReceiverInfo receiverInfo = new MailReceiverInfo();
receiverInfo.setMailServerHost("pop.163.com");
receiverInfo.setMailServerPort("995");
receiverInfo.setValidate(true);
receiverInfo.setUserName("[email protected]");
receiverInfo.setPassword("218660360****");
receiverInfo.setAttachmentDir("E:/temp/mail/yeah");
receiverInfo.setEmailDir("E:/temp/mail/yeah/emaildir");
receiverInfo.setSSL(true);
MailReceiver receiver = new MailReceiver(receiverInfo);
receiver.receiveAllMail();
System.out.println("receiver.getNewMessageCount()=====>"+receiver.getNewMessageCount());
List<App_email> contents=new ArrayList<App_email>();
for (App_email a : receiver.getApp_emails()) {
if(!contents.contains(a)){
contents.add(a);
}
}
for (App_email a : contents) {
System.out.println("a.getSubject()" + a.getTitle());
if (a.getApp_emailfiles() != null) {
for (App_emailfile b :a.getApp_emailfiles()) {
System.out.println("b.getName()" + b.getUrl());
}
}
}
}
}
发送带附件的邮件
package net.jk.util.email;
import java.security.Security;
import java.util.ArrayList;
import java.util.Date;
import java.util.Iterator;
import java.util.List;
import java.util.Properties;
import java.util.StringTokenizer;
import javax.activation.DataHandler;
import javax.activation.FileDataSource;
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.AddressException;
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;
public class SendAttachMail {
private String SMTPHost = ""; // SMTP服务器
private String user = ""; // 登录SMTP服务器的帐号
private String password = ""; // 登录SMTP服务器的密码
private String from = ""; // 发件人邮箱
private Address[] to = null; // 收件人邮箱
private String subject = ""; // 邮件标题
private String content = ""; // 邮件内容
private Address[] copy_to = null;// 抄送邮件到
private Session mailSession = null;
private Transport transport = null;
public ArrayList<String> filename = new ArrayList<String>(); // 附件文件名
private static SendAttachMail sendMail = new SendAttachMail();
// 无参数构造方法
private SendAttachMail() {
}
public SendAttachMail(String smtphost, String user, String password,
String from, Address[] to, String subject, String content,
Address[] copy_to) {
this.SMTPHost = smtphost;
this.user = user;
this.password = password;
this.from = from;
this.to = to;
this.subject = subject;
this.content = content;
this.copy_to = copy_to;
}
// 返回本类对象的实例
public static SendAttachMail getSendMailInstantiate() {
return sendMail;
}
public String getContent() {
return content;
}
public void setContent(String content) {
try {
// 解决内容的中文问题
content = new String(content.getBytes("ISO8859-1"), "gbk");
} catch (Exception ex) {
ex.printStackTrace();
}
this.content = content;
}
public ArrayList<String> getFilename() {
return filename;
}
public void setFilename(ArrayList<String> filename) {
Iterator<String> iterator = filename.iterator();
ArrayList<String> attachArrayList = new ArrayList<String>();
while (iterator.hasNext()) {
String attachment = iterator.next();
try {
// 解决文件名的中文问题
attachment = MimeUtility.decodeText(attachment);
// 将文件路径中的'\'替换成'/'
attachment = attachment.replaceAll("\\\\", "/");
attachArrayList.add(attachment);
} catch (Exception ex) {
ex.printStackTrace();
}
}
this.filename = attachArrayList;
}
public String getFrom() {
return from;
}
public void setFrom(String from) {
this.from = from;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public String getSMTPHost() {
return SMTPHost;
}
public void setSMTPHost(String host) {
SMTPHost = host;
}
public String getSubject() {
return subject;
}
public void setSubject(String subject) {
try {
// 解决标题的中文问题
subject = MimeUtility.encodeText(subject);
} catch (Exception ex) {
ex.printStackTrace();
}
this.subject = subject;
}
public Address[] getTo() {
return to;
}
public void setTo(String toto) {
int i = 0;
StringTokenizer tokenizer = new StringTokenizer(toto, ";");
to = new Address[tokenizer.countTokens()];// 动态的决定数组的长度
while (tokenizer.hasMoreTokens()) {
String d = tokenizer.nextToken();
try {
d = MimeUtility.encodeText(d);
to[i] = new InternetAddress(d);// 将字符串转换为整型
} catch (Exception e) {
e.printStackTrace();
}
i++;
}
}
public String getUser() {
return user;
}
public void setUser(String user) {
this.user = user;
}
public Address[] getCopy_to() {
return copy_to;
}
// 设置抄送
public void setCopy_to(String copyTo) {
int i = 0;
StringTokenizer tokenizer = new StringTokenizer(copyTo, ";");
copy_to = new Address[tokenizer.countTokens()];// 动态的决定数组的长度
while (tokenizer.hasMoreTokens()) {
String d = tokenizer.nextToken();
try {
d = MimeUtility.encodeText(d);
copy_to[i] = new InternetAddress(d);// 将字符串转换为整型
} catch (Exception e) {
e.printStackTrace();
}
i++;
}
}
public void connect() throws Exception {
Security.addProvider(new com.sun.net.ssl.internal.ssl.Provider());
final String SSL_FACTORY = "javax.net.ssl.SSLSocketFactory";
// 创建一个属性对象
Properties props = new Properties();
MyAuthenticator auth = null;
// 指定SMTP服务器
props.put("mail.smtp.host", this.SMTPHost);
// 指定是否需要SMTP验证
props.setProperty("mail.smtp.socketFactory.class", SSL_FACTORY);
props.setProperty("mail.smtp.socketFactory.fallback", "false");
props.setProperty("mail.smtp.port", "465");
props.setProperty("mail.smtp.socketFactory.port", "465");
props.put("mail.smtp.auth", "true");
// 创建一个授权验证对象
auth = new MyAuthenticator(this.user, this.password);
// 创建一个Session对象
mailSession = Session.getDefaultInstance(props, auth);
// 设置是否调试
mailSession.setDebug(true);
if (transport != null)
transport.close();// 关闭连接
// 创建一个Transport对象
transport = mailSession.getTransport("smtp");
// 连接SMTP服务器
transport.connect(this.SMTPHost, this.user, this.password);
}
// 发送邮件
public String send() {
String issend = "";
try {// 连接smtp服务器
connect();
// 创建一个MimeMessage 对象
MimeMessage message = new MimeMessage(mailSession);
// 指定发件人邮箱
message.setFrom(new InternetAddress(from));
// 指定收件人邮箱
message.addRecipients(Message.RecipientType.TO, to);
if (!"".equals(copy_to))
// 指定抄送人邮箱
message.addRecipients(Message.RecipientType.CC, copy_to);
// 指定邮件主题
message.setSubject(subject);
// 指定邮件发送日期
message.setSentDate(new Date());
// 指定邮件优先级 1：紧急 3：普通 5：缓慢
message.setHeader("X-Priority", "1");
message.saveChanges();
// 判断附件是否为空
if (!filename.isEmpty()) {
// 新建一个MimeMultipart对象用来存放多个BodyPart对象
Multipart container = new MimeMultipart();
// 新建一个存放信件内容的BodyPart对象
BodyPart textBodyPart = new MimeBodyPart();
// 给BodyPart对象设置内容和格式/编码方式
textBodyPart.setContent(content, "text/html;charset=gbk");
// 将含有信件内容的BodyPart加入到MimeMultipart对象中
container.addBodyPart(textBodyPart);
Iterator<String> fileIterator = filename.iterator();
while (fileIterator.hasNext()) {// 迭代所有附件
String attachmentString = fileIterator.next();
// 新建一个存放信件附件的BodyPart对象
BodyPart fileBodyPart = new MimeBodyPart();
// 将本地文件作为附件
FileDataSource fds = new FileDataSource(attachmentString);
fileBodyPart.setDataHandler(new DataHandler(fds));
// 处理邮件中附件文件名的中文问题
String attachName = fds.getName();
attachName = MimeUtility.encodeText(attachName);
// 设定附件文件名
fileBodyPart.setFileName(attachName);
// 将附件的BodyPart对象加入到container中
container.addBodyPart(fileBodyPart);
}
// 将container作为消息对象的内容
message.setContent(container);
} else {// 没有附件的情况
message.setContent(content, "text/html;charset=gbk");
}
// 发送邮件
Transport.send(message, message.getAllRecipients());
if (transport != null)
transport.close();
} catch (Exception ex) {
issend = ex.getMessage();
}
return issend;
}
public static void main(String args[]) {
String subject = "主题信息";
String content = "<html><title>TEST</title><body>这个只是一个测试文件！请注意查收！</body></html>";
String from = "[email protected]";
String tto = "[email protected]";
String[] media = tto.split(",");
List list = new ArrayList();
for (int i = 0; i < media.length; i++) {
try {
list.add(new InternetAddress(media[i]));
} catch (AddressException e) {
e.printStackTrace();
}
}
InternetAddress[] address = (InternetAddress[]) list
.toArray(new InternetAddress[list.size()]);
Address[] copy_to = address;
SendAttachMail mail = new SendAttachMail("smtp.qq.com",
"[email protected]", "2186603606***", from, address, subject,
content, copy_to);
//mail.filename.add("E:/files/11.jpg");
mail.send();
// try {
// mail.connect();
// } catch (Exception e) {
// // TODO Auto-generated catch block
// e.printStackTrace();
// }
}
}