java 代碼
import java.io.*;
import java.text.*;
import java.util.*;
import javax.mail.*;
import javax.mail.internet.*;
/**
* 有一封郵件就需要建立一個recivemail對象
*/
public class reciveonemail {
private mimemessage mimemessage = null;
private string saveattachpath = ""; //附件下載下傳後的存放目錄
private stringbuffer bodytext = new stringbuffer();//存放郵件内容
private string dateformat = "yy-mm-dd hh:mm"; //預設的日前顯示格式
public reciveonemail(mimemessage mimemessage) {
this.mimemessage = mimemessage;
}
public void setmimemessage(mimemessage mimemessage) {
/**
* 獲得發件人的位址和姓名
*/
public string getfrom() throws exception {
internetaddress address[] = (internetaddress[]) mimemessage.getfrom();
string from = address[0].getaddress();
if (from == null)
from = "";
string personal = address[0].getpersonal();
if (personal == null)
personal = "";
string fromaddr = personal + "<" + from + ">";
return fromaddr;
* 獲得郵件的收件人，抄送，和密送的位址和姓名，根據所傳遞的參數的不同 "to"----收件人 "cc"---抄送人位址 "bcc"---密送人位址
public string getmailaddress(string type) 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++) {
string email = address[i].getaddress();
if (email == null)
email = "";
else {
email = mimeutility.decodetext(email);
}
string personal = address[i].getpersonal();
if (personal == null)
personal = "";
personal = mimeutility.decodetext(personal);
string compositeto = personal + "<" + email + ">";
mailaddr += "," + compositeto;
}
mailaddr = mailaddr.substring(1);
} else {
throw new exception("error emailaddr type!");
}
return mailaddr;
* 獲得郵件主題
public string getsubject() throws messagingexception {
string subject = "";
try {
subject = mimeutility.decodetext(mimemessage.getsubject());
if (subject == null)
subject = "";
} catch (exception exce) {}
return subject;
* 獲得郵件發送日期
public string getsentdate() throws exception {
date sentdate = mimemessage.getsentdate();
simpledateformat format = new simpledateformat(dateformat);
return format.format(sentdate);
* 獲得郵件正文内容
public string getbodytext() {
return bodytext.tostring();
* 解析郵件，把得到的郵件内容儲存到一個stringbuffer對象中，解析郵件 主要是根據mimetype類型的不同執行不同的操作，一步一步的解析
public void getmailcontent(part part) throws exception {
string contenttype = part.getcontenttype();
int nameindex = contenttype.indexof("name");
boolean conname = false;
if (nameindex != -1)
conname = true;
system.out.println("contenttype: " + contenttype);
if (part.ismimetype("text/plain") && !conname) {
bodytext.append((string) part.getcontent());
} else if (part.ismimetype("text/html") && !conname) {
} else if (part.ismimetype("multipart/*")) {
multipart multipart = (multipart) part.getcontent();
int counts = multipart.getcount();
for (int i = 0; i < counts; i++) {
getmailcontent(multipart.getbodypart(i));
} else if (part.ismimetype("message/rfc822")) {
getmailcontent((part) part.getcontent());
} else {}
/**
* 判斷此郵件是否需要回執，如果需要回執傳回"true",否則傳回"false"
*/
public boolean getreplysign() throws messagingexception {
boolean replysign = false;
string needreply[] = mimemessage
.getheader("disposition-notification-to");
if (needreply != null) {
replysign = true;
return replysign;
* 獲得此郵件的message-id
public string getmessageid() throws messagingexception {
return mimemessage.getmessageid();
* 【判斷此郵件是否已讀，如果未讀傳回傳回false,反之傳回true】
public boolean isnew() throws messagingexception {
boolean isnew = false;
flags flags = ((message) mimemessage).getflags();
flags.flag[] flag = flags.getsystemflags();
system.out.println("flags's length: " + flag.length);
for (int i = 0; i < flag.length; i++) {
if (flag[i] == flags.flag.seen) {
isnew = true;
system.out.println("seen message.......");
break;
return isnew;
* 判斷此郵件是否包含附件
public boolean iscontainattach(part part) throws exception {
boolean attachflag = false;
if (part.ismimetype("multipart/*")) {
multipart mp = (multipart) part.getcontent();
for (int i = 0; i < mp.getcount(); i++) {
bodypart mpart = mp.getbodypart(i);
string disposition = mpart.getdisposition();
if ((disposition != null)
&& ((disposition.equals(part.attachment)) || (disposition
.equals(part.inline))))
attachflag = true;
else if (mpart.ismimetype("multipart/*")) {
attachflag = iscontainattach((part) mpart);
} else {
string contype = mpart.getcontenttype();
if (contype.tolowercase().indexof("application") != -1)
attachflag = true;
if (contype.tolowercase().indexof("name") != -1)
attachflag = iscontainattach((part) part.getcontent());
return attachflag;
* 【儲存附件】
public void saveattachment(part part) throws exception {
string filename = "";
.equals(part.inline)))) {
filename = mpart.getfilename();
if (filename.tolowercase().indexof("gb2312") != -1) {
filename = mimeutility.decodetext(filename);
savefile(filename, mpart.getinputstream());
} else if (mpart.ismimetype("multipart/*")) {
saveattachment(mpart);
if ((filename != null)
&& (filename.tolowercase().indexof("gb2312") != -1)) {
savefile(filename, mpart.getinputstream());
saveattachment((part) part.getcontent());
* 【設定附件存放路徑】
public void setattachpath(string attachpath) {
this.saveattachpath = attachpath;
* 【設定日期顯示格式】
public void setdateformat(string format) throws exception {
this.dateformat = format;
* 【獲得附件存放路徑】
public string getattachpath() {
return saveattachpath;
* 【真正的儲存附件到指定目錄裡】
private void savefile(string filename, inputstream in) throws exception {
string osname = system.getproperty("os.name");
string storedir = getattachpath();
string separator = "";
if (osname == null)
osname = "";
if (osname.tolowercase().indexof("win") != -1) {
separator = "\\";
if (storedir == null || storedir.equals(""))
storedir = "c:\\tmp";
} else {
separator = "/";
storedir = "/tmp";
}
file storefile = new file(storedir + separator + filename);
system.out.println("storefile's path: " + storefile.tostring());
// for(int i=0;storefile.exists();i++){
// storefile = new file(storedir+separator+filename+i);
// }
bufferedoutputstream bos = null;
bufferedinputstream bis = null;
try {
bos = new bufferedoutputstream(new fileoutputstream(storefile));
bis = new bufferedinputstream(in);
int c;
while ((c = bis.read()) != -1) {
bos.write(c);
bos.flush();
}
} catch (exception exception) {
exception.printstacktrace();
throw new exception("檔案儲存失敗!");
} finally {
bos.close();
bis.close();
}
* prasemimemessage類測試
public static void main(string args[]) throws exception {
properties props = system.getproperties();
props.put("mail.smtp.host", "smtp.163.com");
props.put("mail.smtp.auth", "true");
session session = session.getdefaultinstance(props, null);
urlname urln = new urlname("pop3", "pop3.163.com", 110, null,
"xiangzhengyan", "pass");
store store = session.getstore(urln);
store.connect();
folder folder = store.getfolder("inbox");
folder.open(folder.read_only);
message message[] = folder.getmessages();
system.out.println("messages's length: " + message.length);
reciveonemail pmm = null;
for (int i = 0; i < message.length; i++) {
system.out.println("======================");
pmm = new reciveonemail((mimemessage) message[i]);
system.out.println("message " + i + " subject: " + pmm.getsubject());
system.out.println("message " + i + " sentdate: "+ pmm.getsentdate());
system.out.println("message " + i + " replysign: "+ pmm.getreplysign());
system.out.println("message " + i + " hasread: " + pmm.isnew());
system.out.println("message " + i + " containattachment: "+ pmm.iscontainattach((part) message[i]));
system.out.println("message " + i + " form: " + pmm.getfrom());
system.out.println("message " + i + " to: "+ pmm.getmailaddress("to"));
system.out.println("message " + i + " cc: "+ pmm.getmailaddress("cc"));
system.out.println("message " + i + " bcc: "+ pmm.getmailaddress("bcc"));
pmm.setdateformat("yy年mm月dd日 hh:mm");
system.out.println("message " + i + " message-id: "+ pmm.getmessageid());
// 獲得郵件内容===============
pmm.getmailcontent((part) message[i]);
system.out.println("message " + i + " bodycontent: \r\n"
+ pmm.getbodytext());
pmm.setattachpath("c:\\");
pmm.saveattachment((part) message[i]);
}
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