利用socket实现邮件发送.doc

邮件发送简单示例：package fss.base;import java.util.*;import javax.mail.*;import ernet.*;import java.util.Date;import javax.activation.*;import java.io.*;public class Mail/把本程序所用变量进行定义。 具体在main中对它们赋植。private MimeMessage mimeMsg; / MIME邮件对象private Session session; / 邮件会话对象private Properties props; / 系统属性private boolean needAuth = false; / smtp是否需要认证private String username = ; / smtp认证用户名和密码private String password = ;private Multipart mp; / Multipart对象,邮件内容,标题,附件等内容均添加到其中后再生成/MimeMessage对象public Mail(String smtp)setSmtpHost(smtp);createMimeMessage();public void setSmtpHost(String hostName)System.out.println(设置系统属性：mail.smtp.host = + hostName);if (props = null)props = System.getProperties(); / 获得系统属性对象props.put(mail.smtp.host, hostName); / 设置SMTP主机public boolean createMimeMessage()try System.out.println(准备获取邮件会话对象！);session = Session.getDefaultInstance(props, null); / 获得邮件会话对象catch (Exception e)System.err.println(获取邮件会话对象时发生错误！ + e);return false;System.out.println(准备创建MIME邮件对象！);try mimeMsg = new MimeMessage(session); / 创建MIME邮件对象mp = new MimeMultipart(); / mp 一个multipart对象/ Multipart is a container that holds multiple body parts.return true;catch (Exception e)System.err.println(创建MIME邮件对象失败！ + e);return false;public void setNeedAuth(boolean need) System.out.println(设置smtp身份认证：mail.smtp.auth = + need);if (props = null)props = System.getProperties();if (need) props.put(mail.smtp.auth, true); else props.put(mail.smtp.auth, false);public void setNamePass(String name, String pass)System.out.println(程序得到用户名与密码);username = name;password = pass; /*设置邮件主题*/public boolean setSubject(String mailSubject) System.out.println(设置邮件主题！);try mimeMsg.setSubject(mailSubject);return true;catch (Exception e) System.err.println(设置邮件主题发生错误！);return false;/*设置邮件体*/public boolean setBody(String mailBody)trySystem.out.println(设置邮件体格式);BodyPart bp = new MimeBodyPart();bp.setContent(+ mailBody, text/html;charset=GB2312);mp.addBodyPart(bp);return true;catch (Exception e)System.err.println(设置邮件正文时发生错误！ + e);return false;/*设置邮件附件*/public boolean addFileAffix(String filename) System.out.println(增加邮件附件： + filename);try BodyPart bp = new MimeBodyPart();FileDataSource fileds = new FileDataSource(filename);bp.setDataHandler(new DataHandler(fileds);bp.setFileName(fileds.getName();mp.addBodyPart(bp);return true;catch (Exception e) System.err.println(增加邮件附件： + filename + 发生错误！ + e);return false;/*设置发信人*/public boolean setFrom(String from) System.out.println(设置发信人！);try mimeMsg.setFrom(new InternetAddress(from); / 设置发信人return true;catch (Exception e)return false;/*设置收信人*/public boolean setTo(String to)System.out.println(设置收信人);if (to = null)return false;trymimeMsg.setRecipients(Message.RecipientType.TO, InternetAddress.parse(to);return true;catch (Exception e)return false;public boolean setCopyTo(String copyto)System.out.println(发送附件到);if (copyto = null)return false;try mimeMsg.setRecipients(Message.RecipientType.CC,(Address) InternetAddress.parse(copyto);return true;catch (Exception e)return false;public boolean sendout()trymimeMsg.setContent(mp); /设置信的内容mimeMsg.saveChanges(); /保存System.out.println(正在发送邮件.);Session mailSession = Session.getInstance(props, null);Transport transport = mailSession.getTransport(smtp); /协议transport.connect(String) props.get(mail.smtp.host), username,password); /连接到服务器，写如username,passwordtransport.sendMessage(mimeMsg, mimeMsg.getRecipients(Message.RecipientType.TO); /设置收件人列表，发送/ transport.send(mimeMsg);System.out.println(发送邮件成功！);transport.close();return true;catch (Exception e)System.err.println(邮件发送失败！ + e);return false;public static void main(String args)String mailbody = 用户邮件注册测试 欢迎光临 啦ABC;Mail themail = new Mail();themail.setNeedAuth(true);if (themail.setSubject(邮件测试) = false)return;/邮件内容 支持html 如 欢迎光临 啦ABCif (themail.setBody(mailbody) = false)return;/收件人邮箱if (themail.setTo() = false)return;/发件人邮箱if (themail.setFrom() = false)return;/设置附件/if (themail.addFileAffix(#) = false)/return; / 附件在本地机子上的绝对路径themail.setNamePass(用户名, 密码); / 用户名与密码if (themail.sendout() = false)return;1. importjava.io.*; 2. importjava.text.*; 3. importjava.util.*; 4. importjavax.mail.*; 5. ernet.*; 6. 7. /* 8. *有一封邮件就需要建立一个ReciveMail对象 9. */ 10. publicclassReciveOneMail 11. privateMimeMessagemimeMessage=null; 12. privateStringsaveAttachPath=;/附件下载后的存放目录 13. privateStringBufferbodytext=newStringBuffer();/存放邮件内容 14. privateStringdateformat=yy-MM-ddHH:mm;/默认的日前显示格式 15. 16. publicReciveOneMail(MimeMessagemimeMessage) 17. this.mimeMessage=mimeMessage; 18. 19. 20. publicvoidsetMimeMessage(MimeMessagemimeMessage) 21. this.mimeMessage=mimeMessage; 22. 23. 24. /* 25. *获得发件人的地址和姓名 26. */ 27. publicStringgetFrom()throwsException 28. InternetAddressaddress=(InternetAddress)mimeMessage.getFrom(); 29. Stringfrom=address0.getAddress(); 30. if(from=null) 31. from=; 32. Stringpersonal=address0.getPersonal(); 33. if(personal=null) 34. personal=; 35. Stringfromaddr=personal+; 36. returnfromaddr; 37. 38. 39. /* 40. *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 41. */ 42. publicStringgetMailAddress(Stringtype)throwsException 43. Stringmailaddr=; 44. Stringaddtype=type.toUpperCase(); 45. InternetAddressaddress=null; 46. if(addtype.equals(TO)|addtype.equals(CC)|addtype.equals(BCC) 47. if(addtype.equals(TO) 48. address=(InternetAddress)mimeMessage.getRecipients(Message.RecipientType.TO); 49. elseif(addtype.equals(CC) 50. address=(InternetAddress)mimeMessage.getRecipients(Message.RecipientType.CC); 51. else 52. address=(InternetAddress)mimeMessage.getRecipients(Message.RecipientType.BCC); 53. 54. if(address!=null) 55. for(inti=0;iaddress.length;i+) 56. Stringemail=addressi.getAddress(); 57. if(email=null) 58. email=; 59. else 60. email=MimeUtility.decodeText(email); 61. 62. Stringpersonal=addressi.getPersonal(); 63. if(personal=null) 64. personal=; 65. else 66. personal=MimeUtility.decodeText(personal); 67. 68. Stringcompositeto=personal+; 69. mailaddr+=,+compositeto; 70. 71. mailaddr=mailaddr.substring(1); 72. 73. else 74. thrownewException(Erroremailaddrtype!); 75. 76. returnmailaddr; 77. 78. 79. /* 80. *获得邮件主题 81. */ 82. publicStringgetSubject()throwsMessagingException 83. Stringsubject=; 84. try 85. subject=MimeUtility.decodeText(mimeMessage.getSubject(); 86. if(subject=null) 87. subject=; 88. catch(Exceptionexce) 89. returnsubject; 90. 91. 92. /* 93. *获得邮件发送日期 94. */ 95. publicStringgetSentDate()throwsException 96. Datesentdate=mimeMessage.getSentDate(); 97. SimpleDateFormatformat=newSimpleDateFormat(dateformat); 98. returnformat.format(sentdate); 99. 100. 101. /* 102. *获得邮件正文内容 103. */ 104. publicStringgetBodyText() 105. returnbodytext.toString(); 106. 107. 108. /* 109. *解析邮件，把得到的邮件内容保存到一个StringBuffer对象中，解析邮件主要是根据MimeType类型的不同执行不同的操作，一步一步的解析 110. */ 111. publicvoidgetMailContent(Partpart)throwsException 112. Stringcontenttype=part.getContentType(); 113. intnameindex=contenttype.indexOf(name); 114. booleanconname=false; 115. if(nameindex!=-1) 116. conname=true; 117. System.out.println(CONTENTTYPE:+contenttype); 118. if(part.isMimeType(text/plain)&!conname) 119. bodytext.append(String)part.getContent(); 120. elseif(part.isMimeType(text/html)&!conname) 121. bodytext.append(String)part.getContent(); 122. elseif(part.isMimeType(multipart/*) 123. Multipartmultipart=(Multipart)part.getContent(); 124. intcounts=multipart.getCount(); 125. for(inti=0;icounts;i+) 126. getMailContent(multipart.getBodyPart(i); 127. 128. elseif(part.isMimeType(message/rfc822) 129. getMailContent(Part)part.getContent(); 130. else 131. 132. 133. /* 134. *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 135. */ 136. publicbooleangetReplySign()throwsMessagingException 137. booleanreplysign=false; 138. Stringneedreply=mimeMessage 139. .getHeader(Disposition-Notification-To); 140. if(needreply!=null) 141. replysign=true; 142. 143. returnreplysign; 144. 145. 146. /* 147. *获得此邮件的Message-ID 148. */ 149. publicStringgetMessageId()throwsMessagingException 150. returnmimeMessage.getMessageID(); 151. 152. 153. /* 154. *【判断此邮件是否已读，如果未读返回返回false,反之返回true】 155. */ 156. publicbooleanisNew()throwsMessagingException 157. booleanisnew=false; 158. Flagsflags=(Message)mimeMessage).getFlags(); 159. Flags.Flagflag=flags.getSystemFlags(); 160. System.out.println(flagsslength:+flag.length); 161. for(inti=0;iflag.length;i+) 162. if(flagi=Flags.Flag.SEEN) 163. isnew=true; 164. System.out.println(seenMessage.); 165. break; 166. 167. 168. returnisnew; 169. 170. 171. /* 172. *判断此邮件是否包含附件 173. */ 174. publicbooleanisContainAttach(Partpart)throwsException 175. booleanattachflag=false; 176. StringcontentType=part.getContentType(); 177. if(part.isMimeType(multipart/*) 178. Multipartmp=(Multipart)part.getContent(); 179. for(inti=0;imp.getCount();i+) 180. BodyPartmpart=mp.getBodyPart(i); 181. Stringdisposition=mpart.getDisposition(); 182. if(disposition!=null) 183. &(disposition.equals(Part.ATTACHMENT)|(disposition 184. .equals(Part.INLINE) 185. attachflag=true; 186. elseif(mpart.isMimeType(multipart/*) 187. attachflag=isContainAttach(Part)mpart); 188. else 189. Stringcontype=mpart.getContentType(); 190. if(contype.toLowerCase().indexOf(application)!=-1) 191. attachflag=true; 192. if(contype.toLowerCase().indexOf(name)!=-1) 193. attachflag=true; 194. 195. 196. elseif(part.isMimeType(message/rfc822) 197. attachflag=isContainAttach(Part)part.getContent(); 198. 199. returnattachflag; 200. 201. 202. /* 203. *【保存附件】 204. */ 205. publicvoidsaveAttachMent(Partpart)throwsException 206. StringfileName=; 207. if(part.isMimeType(multipart/*) 208. Multipartmp=(Multipart)part.getContent(); 209. for(inti=0;imp.getCount();i+) 210. BodyPartmpart=mp.getBodyPart(i); 211. Stringdisposition=mpart.getDisposition(); 212. if(disposition!=null) 213. &(disposition.equals(Part.ATTACHMENT)|(disposition 214. .equals(Part.INLINE) 215. fileName=mpart.getFileName(); 216. if(fileName.toLowerCase().indexOf(gb2312)!=-1) 217. fileName=MimeUtility.decodeText(fileName); 218. 219. saveFile(fileName,mpart.getInputStream(); 220. elseif(mpart.isMimeType(multipart/*) 221. saveAttachMent(mpart); 222. else 223. fileName=mpart.getFileName(); 224. if(fileName!=null) 225. &(fileName.toLowerCase().indexOf(GB2312)!=-1) 226. fileName=MimeUtility.decodeText(fileName); 227. saveFile(fileName,mpart.getInputStream(); 228. 229. 230. 231. elseif(part.isMimeType(message/rfc822) 232. saveAttachMent(Part)part.getContent(); 233. 234. 235. 236. /* 237. *【设置附件存放路径】 238. */ 239. 240. publicvoidsetAttachPath(Stringattachpath) 241. this.saveAttachPath=attachpath; 242. 243. 244. /* 245. *【设置日期显示格式】 246. */ 247. publicvoidsetDateFormat(Stringformat)throwsException 248. this.dateformat=format; 249. 250. 251. /* 252. *【获得附件存放路径】 253. */ 254. publicStringgetAttachPath() 255. returnsaveAttachPath; 256. 257. 258. /* 259. *【真正的保存附件到指定目录里】 260. */ 261. privatevoidsaveFile(StringfileName,InputStreamin)throwsException 262. StringosName=System.getProperty(); 263. Stringstoredir=getAttachPath(); 264. Stringseparator=; 265. if(osName=null) 266. osName=; 267. if(osName.toLowerCase().indexOf(win)!=-1) 268. separator=; 269. if(storedir=null|storedir.equals() 270. storedir=c:tmp; 271. else 272. separator=/; 273. storedir=/tmp; 274. 275. Filestorefile=newFile(storedir+separator+fileName); 276. System.out.println(storefilespath:+storefile.toString(); 277. /for(inti=0;storefile.exists();i+) 278. /storefile=newFile(storedir+separator+fileName+i); 279. / 280. BufferedOutputStreambos=null; 281. BufferedInputStreambis=null; 282. try 283. bos=newBufferedOutputStream(newFileOutputStream(storefile); 284. bis=newBufferedInputStream(in); 285. intc; 286. while(c=