VC++smtp发送邮件和附件模块要点

1、头文件1234567S91011121314151617IS1920212223X 2525 息27 贯 为3031 爰33C+发送邮件和附件/*发送邮件模块头文件可以发送文本和附件(支持多个附件一起发送)*/*#pragma oncestruct sMailInfo / 邮件信息char * m_pcUserName; /用户登录邮箱的名称char * m_pcUserPassWord; /用户登录邮箱的密码char * m_pcSenderName; /用户发送时显示的名称char * m_pcSender; /发送者的邮箱地址char * m_pcReceiver; /接收者的邮箱地址c

2、har * m_pcTitle; / 邮箱标题char * m_pcBody; /邮件文本正文char * m_pcIPAddr; / 服务器的 IPchar * m_pcIPName; /服务器的名称(IP与名称二选一，优先取名称)sMailInfo()memset( this ,0, sizeof (sMailInfo);class CSendMailpublic :CSendMail( void );CSendMail( void );public :bool SendMail(sMailInfo &smailInfo);/发送邮件，需要在发送的时候初始化邮件信void AddFileP

3、ath( char * pcFilePath); /添加附件的决定路径到附件列表中void DeleteFilePath( char * pcFilePath); / 删除附件路径，如果有的话void DeleteAllPath( void ); /删除全部附件的路径protected :/从附件的路径中获取文件名称int iLen); /把char类型转换成void GetFileName( char * fileName, char * filePath);void Char2Base64( char * pBuff64, char * pSrcBuff,Base64类型%35boolCR

4、eateSocket(SOCKET &sock);/ 建立 socket连接boolLogon(SOCKET &sock); /登录邮箱，主要进行发邮件前的准备工作363738 39 为41级 43 助 有有47int GetFileData( char * FilePath); /由文件路径获取附件内容bool SendHead(SOCKET &sock); / 发送邮件头bool SendTextBody(SOCKET &sock); / 发送邮件文本正文bool SendFileBody(SOCKET &sock); / 发送邮件附件bool SendEnd(SOCKET &sock);

5、 / 发送邮件结尾protectedCList m_pcFilePathList; / 记录附件路径char m_cSendBuff4096; / 发送缓冲区char m_cReceiveBuff1024;char * m_pcFileBuff; / 指向附件内容sMailInfo m_sMailInfo;模块实现文件505152/*发送邮件模块*可以发送文本和附件（支持多个附件一起发送）*Date:2011-12-01*/#include StdAfx.h56#include SendMail.h57#include winsock2.h#pragma comment(lib,WSOCK32

6、)CSendMail:CSendMail( void )61 色 国 岱m_pcFileBuff=NULL;memset(m_cSendBuff,0,sizeof (m_cSendBuff);memset(m_cReceiveBuff,0,sizeof (m_cReceiveBuff);CSendMail:CSendMail( voidDeleteAllPath();void CSendMail:Char2Base64(char * pBuff64, char * pSrcBuff, int iLen)、万 /1 1 1 1 1 1 1 1/ 分配给 pBuff64 T 分配给 pBuff64

7、+1句 / point所在的位置static char Base64Encode口 =ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/ ; /base64 所映 射的字符表SDS1 葭83 制85 6 的 能89int point;point=2;int i;int iIndex;char n=0;/每一个源字符拆分的位置，可取/base64 字符的索引/上一个源字符的残留值for (i=0;ipoint)&0x3f;2,4,6 ;初始为2/ 取彳| pSrcBuff的高pointSO91 里93 % 於 笫97

8、弱 劣else if (point=4)iIndex=(*pSrcBuff)point)&0xf;else if (point=6)iIndex=(*pSrcBuff)point)&0x3;iIndex+=n;/ 与 pSrcBuff-1的低point1GD*pBuff64+=Base64EncodeiIndex;/101n=(*pSrcBuff)(6-point);/1(n=n&0x3f;/确保n的最局两位为0/取得/取得结合组成pSrcBuffpSrcBuffpoint+=2;/源字符的拆分位置上升的高point的高pointBase64的索引由索引表得到pBuff64计算源字符中的残留值

9、104if (point=8) /如果拆分位置为8说明pSrcBuff 有6位残留，可以组成一个完整的Base64字符，所以直接再组合一次工)106 iIndex=(*pSrcBuff)&0x3f;/ 提取低 6位，这就是索引了*pBuff64+=Base64EncodeiIndex;/ICS n=0;/残留值为01C9 point=2;/拆分位置设为2二二pSrcBuff+;112.l.h 1H if (n!=0)116117 IIS119 130121122 m IX125125127 1席 0130131132133134135126137138 13914)1411电 143 图 鹿1

10、46147 跳 1150151152153154155 &157 逸 1为*pBuff64+=Base64Encoden;if (iLen%3=2) /如果源字符串长度不是 3的倍数要用=补全 *pBuff64= =; else if (iLen%3=1)*pBuff64+=;*pBuff64= =; void CSendMail:AddFilePath( char * pcFilePath) / 添加附件路径 if (pcFilePath=NULL) return ; int i; char * temp;for (i=0;im_pcFilePathList.GetCount();i+) t

11、emp=m_pcFilePathList.GetAt(m_pcFilePathList.FindIndex(i);if (strcmp(pcFilePath,temp)=0) /如果已经存在就不用再添加了 return ; m_pcFilePathList.AddTail(pcFilePath);void CSendMail:DeleteFilePath( char * pcFilePath) / 删除附件路径 int i;char * temp;for (i=0;im_pcFilePathList.GetCount();i+) temp=m_pcFilePathList.GetAt(m_pc

12、FilePathList.FindIndex(i);if (strcmp(temp,pcFilePath)=0) /找到并删除它，如果没找到就算了 m_pcFilePathList.RemoveAt(m_pcFilePathList.FindIndex(i);delete temp; return.，,Izl 二一1例解:俗 void CSendMail:DeleteAllPath( void ) ? 167 m_pcFilePathList.RemoveAll();:1,lint CSendMail:GetFileData( char * FilePath) l/l 1 号 m_pcFile

13、Buff=NULL;八 if (FilePath=NULL)J?return 0;一 二，CFile f;./ int len;而ISO1S1 USES_CONVERSION;1葭if (!f.Open(A2W(FilePath),CFile:modeRead|CFile:modeNoTruncate|CFile:typeBinary )N return 0;,1len=( int )f.GetLength();187 m_pcFileBuff= new char len+1;1 能 memset(m_pcFileBuff,0,len+1);189 f.Read(m_pcFileBuff,le

14、n);面：一,： f.Close();,17 - return len;/悌I； void CSendMail:GetFileName( char * fileName, char * filePath) 一 上；： if (filePath=NULL | fileName=NULL) 二工 :4return ;:二 int i;犯204 衰 为6 2)7 期210 211212 213214 215216 217 21S219 必221 777 23 IX 加 理5 切 期 N9 230 231 温 233B4 235 与5 印 238 239 W0 浊for (i=0;ih_addr_li

15、st);sizeof (servaddr); / 建立连接int ret = connect(sock,(sockaddr*)&servaddr, if (ret = SOCKET_ERROR)上 二寸return false-二-255return false ;三一 双293 memset(m_cSendBuff,0, sizeof (m_cSendBuff);引Char2Base64(m_cSendBuff,m_sMailInfo.m_pcUserPassWord,strlen(m_sMailInfo.m_pcUser PassWord);256 m_cSendBuffstrlen(m_

16、cSendBuff)=r;m_cSendBuffstrlen(m_cSendBuff)=n;期 send(sock,m_cSendBuff,strlen(m_cSendBuff),0);/ 发送用户密码298 recv(sock,m_cReceiveBuff,1024,0);259 if (m_cReceiveBuff0!= 2 | m_cReceiveBuff1!= 3 |m_cReceiveBuff2!= 5)JI. .：、，.|return false ;口二3G3 return true ; / 登录成功口二3053c6工 bool CSendMail:SendHead(SOCKET

17、&sock)卜int rt;310 memset(m_cSendBuff,0, sizeof (m_cSendBuff);311 sprintf_s(m_cSendBuff,MAIL FROM:rn ,m_sMailInfo.m_pcSender);312 rt=send(sock,m_cSendBuff,strlen(m_cSendBuff),0);313314 if (rt!=strlen(m_cSendBuff)3D 3： 3return false ;三 31 8recv(sock,m_cReceiveBuff,1024,0);319330 memset(m_cSendBuff,0,

18、sizeof (m_cSendBuff);321 sprintf_s(m_cSendBuff,RCPT TO:rn ,m_sMailInfo.m_pcReceiver);边 rt=send(sock,m_cSendBuff,strlen(m_cSendBuff),0);323 if (rt!=strlen(m_cSendBuff)工：return false二” reC recv(sock,m_cReceiveBuff,1024,0);道memmemset(m_cSendBuff,0, sizeof (m_cSendBuff);磔memcpy(m_cSendBuff,DATArn ,strle

19、n( DATArn);331 rt=send(sock,m_cSendBuff,strlen(m_cSendBuff),0);332 if (rt!=strlen(m_cSendBuff)3，f：return false ;二：.；326 recv(sock,m_cReceiveBuff,1024,0);S7战 memset(m_cSendBuff,0, sizeof (m_cSendBuff);跋sprintf_s(m_cSendBuff, From:%srn ,m_sMailInfo.m_pcSenderName,m_sMailInfo.m_pcSender);MOsprintf_s(&m

20、_cSendBuffstrlen(m_cSendBuff),150,MailInfo.m_pcReceiver);3*1sprintf_s(&m_cSendBuffstrlen(m_cSendBuff),150, 1.0rnContent-Type: multipart/mixed;To:INVT.COM.CNrnSubject:%srnMime-Version:,m_sboundary=INVTrnrn,m_sMailInfo.m_pcTitle);兖 rt=send(sock,m_cSendBuff,strlen(m_cSendBuff),0);究 if (rt!=strlen(m_cSe

21、ndBuff):想 浴return false ;二3*7:批 return true ;裕3503； bool CSendMail:SendTextBody(SOCKET &sock)文一 :int rt;至4memset(m_cSendBuff,0, sizeof (m_cSendBuff);355 sprintf_s(m_cSendBuff, -INVTrnContent-Type: text/plain;rncharset=gb2312rnrn%srnrn,m_sMailInfo.m_pcBody);356 rt=send(sock,m_cSendBuff,strlen(m_cSend

22、Buff),0);357 if (rt!=strlen(m_cSendBuff) N return false ;361else?.：-etureturn true ;?:宓bo bool CSendMail:SendFileBody(SOCKET &sock)八:inti；:；,char* filePath;：.:iintrt;5 1intlen;5 5intpt=0;.Ichar fileName128;375for (i=0;im_pcFilePathList.GetCount();i+)S, ；pt=0;；3memset(fileName,0,128);3为filePath=m_pcF

23、ilePathList.GetAt(m_pcFilePathList.FindIndex(i);len=GetFileData(filePath);二二.|GetFileName(fileName,filePath);383sprintf_s(m_cSendBuff,-INVTrnContent-Type:application/octet-stream;rn name=%srnContent-Transfer-Encoding:base64rnContent-Disposition: attachment;rnfilename=%srnrn,fileName,fileName);湖send(

24、sock,m_cSendBuff,strlen(m_cSendBuff),0);while (ptlen)?3s7memset(m_cSendBuff,0,sizeof (m_cSendBuff);3ss Char2Base64(m_cSendBuff,&m_pcFileBuffpt,min(len-pt,3000);2m_cSendBuffstrlen(m_cSendBuff)=r;380m_cSendBuffstrlen(m_cSendBuff)=n;391rt=send(sock,m_cSendBuff,strlen(m_cSendBuff),0);pt+=min(len-pt,3000

25、);现if (rt!=strlen(m_cSendBuff)? 飞:return false ;三 .6if (len!=0)3AjOdelete m_pcFileBuff;如I短 领 如 省5 领 砥 然 卷 410 411 412 413 414 415 416 417 41S 419 轨 旬 包 钮 钥 锚 较 初 钮 笔9 钊 431 短4S 锣 435 较 437 翎 439 幽0 姆 屹 翎 物 姬return true ;bool CSendMail:SendEnd(SOCKET &sock)sprintf_s(m_cSendBuff,-INVT-rn.rn);send(sock,m_cSendBuff,strlen(m_cSendBu