從網上找了一個些資料，再原本的基礎上增加的發送附件功能，附件上傳的最大容量 默認20M
需要導入一個包mail.jar，隨便下一個吧
package common;
/**
* 發送郵件需要使用的基本信息
*/
import java.util.ArrayList;
import java.util.List;
import java.util.Properties;
public class MailSenderInfo {
// 發送郵件的服務器的IP和端口
private String mailServerHost;
private String mailServerPort = "25";
// 郵件發送者的地址
private String fromAddress;
// 郵件接收者的地址
//private String toAddress;
private List<String> toAddress;
// 郵件抄送者的地址
private List<String> ccAddress;
// 郵件暗送者的地址
private List<String> bccAddress;
// 登陸郵件發送服務器的用戶名和密碼
private String userName;
private String password;
// 是否需要身份驗證
private boolean validate = true;
// 郵件主題
private String subject;
// 郵件的文本內容
private String content;
// 郵件附件的文件名
private String[] attachFileNames;
//郵件附件路徑
private List<String> filePaths;
//是否打印郵件發送調試信息
private boolean debug;
//附件上傳的最大容量 默認20M
public static final long fileMaxSize = 20971520;
public MailSenderInfo(){
this.debug = false;
this.toAddress = new ArrayList<String>();//收件人郵箱
this.ccAddress = new ArrayList<String>();//抄送人郵箱
this.bccAddress = new ArrayList<String>();//暗送人郵箱
this.filePaths =new ArrayList<String>();//附件
}
/**
* 獲得郵件會話屬性
*/
public Properties getProperties(){
Properties p = new Properties();
p.put("mail.smtp.host", this.mailServerHost);
p.put("mail.smtp.port", this.mailServerPort);
p.put("mail.smtp.auth", validate ? "true" : "false");
return p;
}
// public String getToAddress() {
// return this.toAddress;
// }
// public void setToAddress(String toAddress) {
// this.toAddress = toAddress;
// }
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 boolean isValidate() {
return validate;
}
public void setValidate(boolean validate) {
this.validate = validate;
}
public String[] getAttachFileNames() {
return attachFileNames;
}
public void setAttachFileNames(String[] fileNames) {
this.attachFileNames = fileNames;
}
public String getFromAddress() {
return fromAddress;
}
public void setFromAddress(String fromAddress) {
this.fromAddress = fromAddress;
}
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 String getSubject() {
return subject;
}
public void setSubject(String subject) {
this.subject = subject;
}
public String getContent() {
return content;
}
public void setContent(String textContent) {
this.content = textContent;
}
public List<String> getToAddress() {
return toAddress;
}
public void setToAddress(List<String> toAddress) {
this.toAddress = toAddress;
}
public List<String> getCcAddress() {
return ccAddress;
}
public void setCcAddress(List<String> ccAddress) {
this.ccAddress = ccAddress;
}
public List<String> getBccAddress() {
return bccAddress;
}
public void setBccAddress(List<String> bccAddress) {
this.bccAddress = bccAddress;
}
public void addToAddress(String mailAddress) {
this.toAddress.add(mailAddress);
}
public void addCcAddress(String mailAddress) {
this.ccAddress.add(mailAddress);
}
public void addBccAddress(String mailAddress) {
this.bccAddress.add(mailAddress);
}
public boolean isDebug() {
return debug;
}
public void setDebug(boolean debug) {
this.debug = debug;
}
public List<String> getFilePaths() {
return filePaths;
}
public void setFilePaths(List<String> filePaths) {
this.filePaths = filePaths;
}
public void addAttachment(String filePath) {
this.filePaths.add(filePath);
}
}
package common;
import java.io.File;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Properties;
import javax.activation.DataHandler;
import javax.activation.DataSource;
import javax.activation.FileDataSource;
import javax.mail.Address;
import javax.mail.Authenticator;
import javax.mail.BodyPart;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Multipart;
import javax.mail.PasswordAuthentication;
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;
/**
* 郵件發送器
*/
public class MailSender {
//驗證郵件對象
private class MyAuthenticator extends Authenticator{
String userName=null;
String password=null;
public MyAuthenticator(){
}
public MyAuthenticator(String username, String password) {
this.userName = username;
this.password = password;
}
protected PasswordAuthentication getPasswordAuthentication(){
return new PasswordAuthentication(userName, password);
}
}
/**
* 以文本格式發送郵件
* @param mailInfo 待發送的郵件的信息
*/
public static boolean sendTextMail(MailSenderInfo mailInfo) {
// 判斷是否需要身份認證
MyAuthenticator authenticator = null;
Properties pro = mailInfo.getProperties();
if (mailInfo.isValidate()) {
// 如果需要身份認證，則創建一個密碼驗證器
authenticator = (new MailSender()).new MyAuthenticator(mailInfo.getUserName(), mailInfo.getPassword());
}
// 根據郵件會話屬性和密碼驗證器構造一個發送郵件的session
Session sendMailSession = Session.getDefaultInstance(pro,authenticator);
//是否打印郵件會話調試信息
sendMailSession.setDebug(mailInfo.isDebug());
try {
// 根據session創建一個郵件消息
Message mailMessage = new MimeMessage(sendMailSession);
// 創建郵件發送者地址
Address from = new InternetAddress(mailInfo.getFromAddress());
// 設置郵件消息的發送者
mailMessage.setFrom(from);
// 創建郵件的接收者地址，並設置到郵件消息中
//Address to = new InternetAddress(mailInfo.getToAddress());
Address[] tos = getAddress(mailInfo.getToAddress());
//mailMessage.setRecipient(Message.RecipientType.TO,to);//設置單個收件人
mailMessage.setRecipients(Message.RecipientType.TO,tos);//設置多個收件人
//創建郵件的抄送者地址，並設置到郵件消息中
Address[] ccs = getAddress(mailInfo.getCcAddress());
mailMessage.setRecipients(Message.RecipientType.CC,ccs);
//創建郵件的暗送者地址，並設置到郵件消息中
Address[] bccs = getAddress(mailInfo.getBccAddress());
mailMessage.setRecipients(Message.RecipientType.BCC,bccs);
// 設置郵件消息的主題
mailMessage.setSubject(mailInfo.getSubject());
// 設置郵件消息發送的時間
mailMessage.setSentDate(new Date());
// 設置郵件消息的主要內容
//String mailContent = mailInfo.getContent();
//mailMessage.setText(mailContent);
// 向multipart對象中添加郵件的各個部分內容，包括文本內容和附件
Multipart mainPart = new MimeMultipart();
//設置郵件的文本內容
BodyPart contentPart = new MimeBodyPart();
contentPart.setText(mailInfo.getContent());
mainPart.addBodyPart(contentPart);
// 添加附件
if(!addFileAffix(mailMessage,mainPart,mailInfo.getFilePaths())){
System.out.println("郵件發送失敗!");
return false;
}
//將multipart對象放到message中
mailMessage.setContent(mainPart);
// 發送郵件
Transport.send(mailMessage);
return true;
} catch (MessagingException ex) {
ex.printStackTrace();
}
return false;
}
/**
* 以HTML格式發送郵件
* @param mailInfo 待發送的郵件信息
*/
public static boolean sendHtmlMail(MailSenderInfo mailInfo){
// 判斷是否需要身份認證
MyAuthenticator authenticator = null;
Properties pro = mailInfo.getProperties();
//如果需要身份認證，則創建一個密碼驗證器
if (mailInfo.isValidate()) {
authenticator =(new MailSender()).new MyAuthenticator(mailInfo.getUserName(), mailInfo.getPassword());
}
// 根據郵件會話屬性和密碼驗證器構造一個發送郵件的session
Session sendMailSession = Session.getDefaultInstance(pro,authenticator);
//是否打印郵件會話調試信息
sendMailSession.setDebug(mailInfo.isDebug());
try {
// 根據session創建一個郵件消息
Message mailMessage = new MimeMessage(sendMailSession);
// 創建郵件發送者地址
Address from = new InternetAddress(mailInfo.getFromAddress());
// 設置郵件消息的發送者
mailMessage.setFrom(from);
// 創建郵件的接收者地址，並設置到郵件消息中
Address[] tos = getAddress(mailInfo.getToAddress());
// Message.RecipientType.TO屬性表示接收者的類型爲TO
//mailMessage.setRecipient(Message.RecipientType.TO,to);
mailMessage.setRecipients(Message.RecipientType.TO,tos);
//創建郵件的抄送者地址，並設置到郵件消息中
Address[] ccs = getAddress(mailInfo.getCcAddress());
mailMessage.setRecipients(Message.RecipientType.CC,ccs);
//創建郵件的暗送者地址，並設置到郵件消息中
Address[] bccs = getAddress(mailInfo.getBccAddress());
mailMessage.setRecipients(Message.RecipientType.BCC,bccs);
// 設置郵件消息的主題
mailMessage.setSubject(mailInfo.getSubject());
// 設置郵件消息發送的時間
mailMessage.setSentDate(new Date());
// MiniMultipart類是一個容器類，包含MimeBodyPart類型的對象
Multipart mainPart = new MimeMultipart();
// 創建一個包含HTML內容的MimeBodyPart
BodyPart html = new MimeBodyPart();
// 設置HTML內容
html.setContent(mailInfo.getContent(), "text/html; charset=utf-8");
mainPart.addBodyPart(html);
// 將MiniMultipart對象設置爲郵件內容
mailMessage.setContent(mainPart);
// 添加附件
if(!addFileAffix(mailMessage,mainPart,mailInfo.getFilePaths())){
System.out.println("郵件發送失敗!");
return false;
}
// 發送郵件
Transport.send(mailMessage);
return true;
} catch (Exception ex) {
ex.printStackTrace();
}
return false;
}
/**
* 創建郵件的接收者地址
* @author sd(chenfang)
* @returnType Address[] 收件人郵箱地址
* @param toAddress 收件人郵箱地址
* @throws Exception
*/
private static Address[] getAddress(List<String> toAddress){
List<Address> to = new ArrayList<Address>();
try {
for (int i=0; toAddress !=null && i<toAddress.size();i++) {
String toMail = toAddress.get(i);//獲取收件人郵箱地址
if(toMail !=null && !"".equals(toMail)){
to.add(new InternetAddress(toMail));//創建接收者地址
}
}
} catch (AddressException e) {
e.printStackTrace();
}finally{
return (Address[])to.toArray(new Address[to.size()]);
}
}
/**
* 增加發送附件
* @param filenames 附件絕對路徑集
* @return
*/
private static boolean addFileAffix(Message mailMessage,Multipart mainPart,List<String> filenames) {
boolean flavg=true;
for (int i = 0; filenames !=null && i < filenames.size(); i ++) {
String filename=filenames.get(i);
if(filename != null && !"".equals(filename)){
flavg = addFileAffix(mailMessage,mainPart,filename);
if(!flavg){break;}
}
}
return flavg;
}
/**
* 增加發送附件
* @param filename 附件絕對路徑
* @return
*/
private static boolean addFileAffix(Message mailMessage,Multipart mainPart,String filePath) {
System.out.println("增加郵件附件：" + filePath);
try {
//添加附件
BodyPart messageBodyPart = new MimeBodyPart();
File file = new File(filePath);
if(file !=null && file.length() > MailSenderInfo.fileMaxSize){
System.err.println("郵件附件名字爲" + file.getName() + "的文件大小超出允許容量範圍[最大附件文件大小爲"+ Constant.MAIL_FILE_SIZE +"B]");
return false;
}else if(file !=null){
DataSource source = new FileDataSource(file);
//添加附件的內容
messageBodyPart.setDataHandler(new DataHandler(source));
//設置附件的名字（可以防止郵件自動打開文件）
String filename=file.getName();
//附件名字轉碼
//第一種方式 BASE64Encoder encode 轉碼
//這裏很重要，通過下面的Base64編碼的轉換可以保證你的中文附件標題名在發送時不會變成亂碼
//sun.misc.BASE64Encoder enc = new sun.misc.BASE64Encoder();
//messageBodyPart.setFileName("=?GBK?B?"+enc.encode(filename.getBytes())+"?=");
//第二中方式 MimeUtility encodeText 轉碼
messageBodyPart.setFileName(MimeUtility.encodeText(filename));
//添加附件
mainPart.addBodyPart(messageBodyPart);
//將multipart對象放到message中
mailMessage.setContent(mainPart, "file");
//保存郵件
// message.saveChanges();
}
} catch (Exception e) {
System.err.println("增加郵件附件：" + filePath + "發生錯誤！" + e);
return false;
}
System.out.println("增加郵件附件成功!" );
return true;
}
/**
* 羣發郵件信息[收件人多個] 以HTML格式發送
* @author sd(chenfang)
* @dateTime 2012-7-10上午11:13:14
* @returnType void
* @param toMail -收件人地址[至少一個,否則發送失敗拋異常]
* @param ccMail -抄送人地址
* @param bccMail -暗送人地址
* @param subject -郵件主題
* @param content -郵件內容
* @param filePaths -郵件附件
*/
public static void batchSendMails(List<String> toMail,List<String> ccMail,List<String> bccMail,String subject,String content,List<String> filePaths)throws Exception{
try{
MailSenderInfo mail = new MailSenderInfo();
mail.setMailServerHost("smtp.163.com"); // 郵件服務器地址
mail.setUserName("[email protected]"); // 用戶名
mail.setPassword("**********"); // 密碼
mail.setFromAddress([email protected]); // 發件人郵箱
/**設置收件人郵箱**/
mail.setToAddress(toMail);
/**設置抄送人郵箱**/
mail.setCcAddress(ccMail);
/**設置暗送人郵箱**/
mail.setBccAddress(bccMail);
/**郵件主題**/
mail.setSubject(subject);
/**郵件內容**/
mail.setContent(content);
/**設置郵件附件**/
mail.setFilePaths(filePaths);
MailSender.sendHtmlMail(mail);//發送HTML
}catch (Exception e) {
e.printStackTrace();
throw new Exception("Exception:"+e.getMessage());
}
}
public static void main(String[] args){
//這個類主要是設置郵件
MailSenderInfo mailInfo = new MailSenderInfo();
mailInfo.setMailServerHost("smtp.163.com"); //主機
//mailInfo.setMailServerPort("25"); //端口
mailInfo.setValidate(true); //登陸是否驗證
mailInfo.setUserName(“[email protected]”); //用戶名
mailInfo.setPassword(“*********”);//密碼
mailInfo.setFromAddress(“”); //發件人郵箱
mailInfo.addToAddress("[email protected]");//收件人郵箱1
mailInfo.addToAddress("[email protected]");//收件人郵箱2
mailInfo.addCcAddress("[email protected]");//抄送人郵箱1
mailInfo.addCcAddress("[email protected]");//抄送人郵箱2
mailInfo.addBccAddress("[email protected]");//暗送人郵箱1
mailInfo.addBccAddress("[email protected]");//暗送人郵箱2
mailInfo.setSubject("設置郵箱主題"); //郵件主題
mailInfo.setContent("<b>設置郵箱內容</b> <br>
http://www.baidu.com");//內容
//mailInfo.addAttachment("C:/Users/sd/Desktop/工具.xlsx"); //附件1
//mailInfo.addAttachment("C:/Users/sd/Desktop/帶附件的郵件發送.doc"); //附件2
mailInfo.setFilePaths(null);
System.out.println("郵件發送開始!"+(new Date().toLocaleString()));
//這個類主要來發送郵件
//MailSender sms = new MailSender();
// System.out.println("郵件發送成功是否!"+MailSender.sendTextMail(mailInfo));//發送文體格式
System.out.println("郵件發送成功是否!"+MailSender.sendHtmlMail(mailInfo));//發送html格式
System.out.println("郵件發送結束!"+(new Date().toLocaleString()));
}
}