VC++smtp發(fā)送郵件和附件模塊

1、C+發(fā)送郵件和附件頭文件/*發(fā)送郵件模塊頭文件*可以發(fā)送文本和附件（支持多個附件一起發(fā)送）*/#pragma oncestruct sMaillnfo / 郵件信息char * m_pcUserName; /用戶登錄郵箱的名稱char * m_pcUserPassWord; /用戶登錄郵箱的密碼 char * m_pcSenderName; /用戶發(fā)送時顯示的名稱 char * m_pcSender; /發(fā)送者的郵箱地址 char * m_pcReceiver; /接收者的郵箱地址 char * m_pcTitle; / 郵箱標題char * m_pcBody; /郵件文本正文charchar

2、m_pclPAddr;/服務(wù)器的IPm_pcIPName; /服務(wù)器的名稱（IP與名稱二選一，優(yōu)先取名稱）sMaillnfo()memset(;class CSendMailpublic :CSendMail( void );CSendMail( void );this ,0, sizeof (sMailInfo);public :bool SendMail(sMaillnfo &smaillnfo);/發(fā)送郵件，需要在發(fā)送的時候初始化郵件信void AddFilePath( char * pcFilePath); /添加附件的決定路徑到附件列表中void DeleteFilePath( ch

3、ar * pcFilePath); / 刪除附件路徑，如果有的話void DeleteAllPath( void ); /刪除全部附件的路徑protected :void GetFileName( char * fileName, char * filePath); / 從附件的路徑中獲取文件名稱void Char2Base64( char * pBuff64, char * pSrcBuff, int iLen); / 把 char 類型轉(zhuǎn)換成 Base64類型bool CReateSocket(SOCKET &sock); / 建立 socket 連接bool Logon(SOCKET &

4、sock); /登錄郵箱，主要進行發(fā)郵件前的準備工作intGetFileData(char /*發(fā)送郵件模塊*可以發(fā)送文本和附件(支持多個附件一起發(fā)送) Date:2011-12-01*/#include StdAfx.h#include SendMail.h#include winsock2.h#pragma comment(lib,WSOCK32)CSendMail:CSendMail( void )m_pcFileBuff=NULL;memset(m_cSendBuff,0, sizeof (m_cSendBuff);memset(m_cReceiveBuff,0,sizeof (m_c

5、ReceiveBuff);CSendMail:CSendMail(void )DeleteAllPath();void CSendMail:Char2Base64( char * pBuff64, char * pSrcBuff, int iLen) FilePath);/由文件路徑獲取附件內(nèi)容boolSendHead(SOCKET &sock); /發(fā)送郵件頭boolSendTextBody(SOCKET & sock);/發(fā)送郵件文本正文boolSendFileBody(SOCKET &sock);/發(fā)送郵件附件boolSendEnd(SOCKET & sock);/發(fā)送郵件結(jié)尾prote

6、ctedCList m_pcFilePathList;/ 記錄附件路徑charm_cSendBuff4096;/ 發(fā)送緩沖區(qū)charm_cReceiveBuff1024;char* m_pcFileBuff;/指向附件內(nèi)容sMailInfo m_sMaillnfo;模塊實現(xiàn)文件1 1 1 1 1 1 1 1/ 分配給 pBuff64 f 分配給 pBuff64+1/ point所在的位置static char Base64Encode=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/ ; base64 所映射的字符

7、表int point;/每一個源字符拆分的位置，可取2,4,6 ;初始為2point=2;int i;int iIndex;/base64 字符的索引char n=0;/上一個源字符的殘留值for (i=0;iiLen;i+)if (point=2)ilndex=(*pSrcBuff)point)&0x3f;/ 取得 pSrcBuff的高pointelse if (point=4)ilndex=(*pSrcBuff)point)&0xf;/取得pSrcBuff的高pointelse if (point=6)ilndex=(*pSrcBuff)point)&0x3;/取得pSrcBuff的高po

8、intiIndex+=n;/ 與 pSrcBuff-1的低point結(jié)合組成Base64的索引*pBuff64+=Base64Encodeilndex;/n=(*pSrcBuff)(6-point);/確保n的最咼兩位為0由索引表得到pBuff64計算源字符中的殘留值/n=n&0x3f;/源字符的拆分位置上升point+=2;if (point=8) /如果拆分位置為8說明pSrcBuff有6位殘留，可以組成一個完整的Base64字符，所以直接再組合一次ilndex=(*pSrcBuff)&0x3f;/提取低6位，這就是索引了/n=0;point=2;/拆分位置設(shè)為2pSrcBuff+;if

9、(n!=0)*pBuff64+=Base64Encoden;if (iLen%3=2) /如果源字符串長度不是 3的倍數(shù)要用=補全*pBuff64= =;else if (iLen%3=1)*pBuff64+=;*pBuff64= =;void CSendMail:AddFilePath( char * pcFilePath) / 添加附件路徑if (pcFilePath=NULL)return ;int i;char * temp;for (i=0;im_pcFilePathList.GetCount();i+) temp=m_pcFilePathList.GetAt(m_pcFilePat

10、hList.Findlndex(i);if (strcmp(pcFilePath,temp)=0)/如果已經(jīng)存在就不用再添加了return ;m_pcFilePathList.AddTail(pcFilePath);void CSendMail:DeleteFilePath(char * pcFilePath) / 刪除附件路徑int i;char * temp;for (i=0;im_pcFilePathList.GetCount();i+) temp=m_pcFilePathList.GetAt(m_pcFilePathList.Findlndex(i);if (strcmp(temp,p

11、cFilePath)=0)/找到并刪除它，如果沒找到就算了m_pcFilePathList.RemoveAt(m_pcFilePathList.Findlndex(i);delete temp;return ;void CSendMail:DeleteAIIPath(void )m_pcFilePathList.RemoveAII();int CSendMail:GetFileData( char * FilePath)m_pcFileBuff=NULL;if (FilePath=NULL)return 0;CFile f;int len;USES_CONVERSION;if (!f.Open

12、(A2W(FilePath),CFile:modeRead|CFile:modeNoTruncate|CFile:typeBinary)return 0;len=( int )f.GetLength();m_pcFileBuff= new char len+1;memset(m_pcFileBuff,0,len+1);f.Read(m_pcFileBuff,len);f.Close();return len;void CSendMail:GetFileName( char * fileName, char * filePath)if (filePath=NULL | fileName=NULL

13、)return ;int i;for (i=0;ih_addr_list);/使用名稱int ret = connect(sock,(sockaddr* )&servaddr, if (ret = SOCKET_ERROR)return false ;return true ;sizeof (servaddr); / 建立連接bool CSendMail:Logon(SOCKET &sock) recv(sock,m_cReceiveBuff,1024,0);memset(m_cSendBuff,O, sizeof (m_cSendBuff); sprintf_s(m_cSendBuff,HE

14、LO rn);send(sock,m_cSendBuff,strlen(m_cSendBuff),0); recv(sock,m_cReceiveBuff,1024,0);if (m_cReceiveBuff0!= 2| m_cReceiveBuff1!=m_cReceiveBuff2!= 0)return false ;/開始會話5 |memset(m_cSendBuff,0,sprintf_s(m_cSendBuff, sizeof (m_cSendBuff);AUTH LOGINrn);send(sock,m_cSendBuff,strlen(m_cSendBuff),0);recv(s

15、ock,m_cReceiveBuff,1024,0); if (m_cReceiveBuff0!= 3 m_cReceiveBuff2!= 4)return false ;| m_cReceiveBuff1!=/請求登錄3 |memset(m_cSendBuff,0,sizeof (m_cSendBuff);Char2Base64(m_cSendBuff,m_sMaillnfo.m_pcUserName,strlen(m_sMaillnfo.m_pcUserName);rm_cSendBuffstrlen(m_cSendBuff)=m_cSendBuffstrlen(m_cSendBuff)=

16、n;send(sock,m_cSendBuff,strlen(m_cSendBuff),0);/ 發(fā)送用戶名recv(sock,m_cReceiveBuff,1024,0);if (m_cReceiveBuff0!= 3| m_cReceiveBuff1!=3|m_cReceiveBuff2!= 4)return false ;memset(m_cSendBuff,0, sizeof (m_cSendBuff);Char2Base64(m_cSendBuff,m_sMaillnfo.m_pcUserPassWord,strlen(m_sMaillnfo.m_pcUser Password);m

17、_cSendBuffstrlen(m_cSendBuff)=r;m_cSendBuffstrlen(m_cSendBuff)=n;send(sock,m_cSendBuff,strlen(m_cSendBuff),0);/ 發(fā)送用戶密碼recv(sock,m_cReceiveBuff,1024,0);if (m_cReceiveBuff0!= 2| m_cReceiveBuff1!=3|m_cReceiveBuff2!= 5)return false ;return true ; / 登錄成功bool CSendMail:SendHead(SOCKET &sock)int rt;memset(

18、m_cSendBuff,0, sizeof (m_cSendBuff);sprintf_s(m_cSendBuff,MAIL FROM：v%srn ,m_sMaillnfo.m_pcSender);rt=send(sock,m_cSendBuff,strlen(m_cSendBuff),0);if (rt!=strlen(m_cSendBuff)return false ;recv(sock,m_cReceiveBuff,1024,0);memset(m_cSendBuff,0, sizeof (m_cSendBuff);sprintf_s(m_cSendBuff,RCPT TO:rn ,m_

19、sMaillnfo.m_pcReceiver);rt=send(sock,m_cSendBuff,strlen(m_cSendBuff),0);if (rt!=strlen(m_cSendBuff)return false ;recv(sock,m_cReceiveBuff,1024,0);memset(m_cSendBuff,O, sizeof (m_cSendBuff);memcpy(m_cSendBuff,DATArn ,strlen( DATArn);rt=send(sock,m_cSendBuff,strlen(m_cSendBuff),0);if (rt!=strlen(m_cSe

20、ndBuff)return false ;recv(sock,m_cReceiveBuff,1024,0);memset(m_cSendBuff,0,sizeof (m_cSendBuff);sprintf_s(m_cSendBuff,From:%sv%srn,m_sMaillnfo.m_pcSenderName,m_sMaillnfo.m_pcSender);To:INVT.COM.CNv%srn ,m_sSubject:%srnMime-Version:sprintf_s(&m_cSendBuffstrlen(m_cSendBuff),150, Maillnfo.m_pcReceiver)

21、;sprintf_s(&m_cSendBuffstrlen(m_cSendBuff),150, 1.0rnContent-Type: multipart/mixed;boundary=INVTrnrn,m_sMaillnfo.m_pcTitle);rt=send(sock,m_cSendBuff,strlen(m_cSendBuff),0);if (rt!=strlen(m_cSendBuff)return false ;return truebool CSendMail:SendTextBody(SOCKET &sock)int rt;memset(m_cSendBuff,0, sizeof

22、 (m_cSendBuff); sprintf_s(m_cSendBuff,-INVTrnContent-Type: text/plain;rncharset=gb2312rnrn%srnrn,m_sMaillnfo.m_pcBody);rt=send(sock,m_cSendBuff,strlen(m_cSendBuff),0);if (rt!=strlen(m_cSendBuff)return falsereturn true ;elsebool CSendMail:SendFileBody(SOCKET &sock)int i;char * filePath;int rt;int len

23、;int pt=O;char fileName128;for (i=O;im_pcFilePathList.GetCount();i+)pt=0;memset(fileName,0,128); filePath=m_pcFilePathList.GetAt(m_pcFilePathList.Findlndex(i); len=GetFileData(filePath);GetFileName(fileName,filePath);sprintf_s(m_cSendBuff,-INVTrnContent-Type:application/octet-stream;rn name=%srnCont

24、ent-Transfer-Encoding: base64rnContent-Disposition: attachment;rnfilename=%srnrn,fileName,fileName);send(sock,m_cSendBuff,strlen(m_cSendBuff),0);while (ptlen)memset(m_cSendBuff,0,sizeof (m_cSendBuff);Char2Base64(m_cSendBuff,&m_pcFileBuffpt,min(len-pt,3000); m_cSendBuffstrlen(m_cSendBuff)=r;m_cSendBuffstrlen(m_cSendBuff)=n;rt=send(sock,m_cSendBuff,strlen(m_cSendBuff),0);pt+=min(len-pt,3000);if (rt!=strlen(m_cSendBuff)return false ;if (len!=0)delete m_pcFileBuff;return true ;);(smailInfo);bool CSendMail:SendEnd(SOCKET &sock)sprintf_s(m_cSendBuff,-INVT-rn.rnsend(sock,m_cSendBuff,strlen