C发送邮件和附件(20210929181529)

1、C+发送邮件和附件C+发送邮件和附件头文件/* *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 once struct sMaillnfo /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_pcSe nderName;/ 用户发送时显示的名称char* m_pcSe nder;/发送者的邮箱地址char* m_pcReceiver;接收者的邮箱地址char* m_pcTitle;邮箱标题char* m_pcBody; 邮件文本正文char* m_pclPAddr

2、; 效劳器的 IPchar* m_pclPName; 效劳器的名称(IP与名称二选一，优先取名称)sMailI nfo()memset(this,O,sizeof(sMaill nfo);class CSe ndMailpublic:CSe ndMail(void);CSe ndMail(void);public:bool Sen dMail(sMaill nfo &smaill nfo);发送邮件，需要在发送的时候初始化邮件信息添加附件的决定路径到附件列表中删除附件路径，如果有的话void AddFilePath(char * pcFilePath);/void DeleteFile

3、Path(char* pcFilePath);/void DeleteAllPath(void);/删除全部附件的路径protected:void GetFileName(char* fileName,char* filePath);/从附件的路径中获取文件名称void Char2Base64(char* pBuff64,char* pSrcBuff,int iLen);把 char类型转换成Base64类型bool CReateSocket(SOCKET &sock);/ 建立 socket 连接bool Logo n(SOCKET & sock);/登录邮箱，主要进行发邮件

4、前的准备工作int GetFileData(char* FilePath);/由文件路径获取附件内容bool Sen dHead(SOCKET &sock);/ 发送邮件头bool Sen dTextBody(SOCKET & sock);/发送邮件文本正文bool Se ndFileBody(SOCKET &sock);/发送邮件附件bool SendEn d(SOCKET & sock);/ 发送邮件结尾protected:char m_cSe ndBuf4096;发送缓冲区char m_cReceiveBuf1024;char* m_pcFileBuff;

5、指向附件内容sMaill nfo m_sMaill nfo;；模块实现文件/* *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:2021-12-01*/#i nclude#in clude#in clude#pragma comme nt(lib,CSe ndMail:CSe ndMail(void)m_pcFileBuff=NULL;memset(m_cSe ndBuf,0,sizeof(m_cSe ndBuff);memset(m_cReceiveBuf,0,sizeof(m_cReceiveBuff)；CSe ndMail:CSe ndMail(void) Dele

6、teAIIPath();void CSe ndMail:Char2Base64(char* pBuff64,char* pSrcBuff,i nt iLe n)1 1 1 1 1 1 1 1/ 分配给 pBuff64 T 分配给 pBuff64+1/ poi nt所在的位置static char Base64E ncode=int point;每一个源字符拆分的位置，可取2,4,6 ;初始为2poin t=2;int i;int iIn dex;/base64字符的索引char n=0;/上一个源字符的残留值for(i=0;iif(po in t=2)iIndex=(*pSrcBuff)

7、87;point)&0x3f;取得 pSrcBuff 的高 point 位 else if (po in t=4)iln dex=(*pSrcBuff)»poi nt)&Oxf;取得pSrcBuff的高point位else if(po in t=6)ilndex=(*pSrcBuff)>>point)&0x3;/取得 pSrcBuff 的高 point 位 ilndex+=n;与 pSrcBuff-1 的低 point 结合组成 Base64 的索引*pBuff64+=Base64E ncodeil ndex;/由索引表得到 pBuff64n=(*

8、pSrcBuff)n=n&0x3f; 确保n的最高两位为 0poi nt+=2;源字符的拆分位置上升 2if(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iIndex=(*pSrcBuff)&0x3f;提取低 6 位，这就是索引了*pBuff64+=Base64E ncodeil ndex;/n=0;/残留值为0point=2;拆分位置设为2pSrcBuff+;if(n !=0)*pBuff64+=Base64E ncode n;if(iLen%3=2)如果源字符串长度不是3的倍数要用'=

9、9;补全*pBuff64='=：else if(iLe n%3=1)*pBuff64+='=：*pBuff64='='void CSe ndMail:AddFilePath(char * pcFilePath)/添加附件路径if(pcFilePath=NULL)return;int i;char* temp;for(i=0;itemp=m_pcFilePathList.GetAt(m_pcFilePathList.Fi ndln dex(i); if(strcmp(pcFilePath,temp)=O)如果已经存在就不用再添加了return;删除附件路径m_pc

10、FilePathList.AddTail(pcFilePath);void CSe ndMail:DeleteFilePath(char* pcFilePath)/int i;char* temp;for(i=0;itemp=m_pcFilePathList.GetAt(m_pcFilePathList.Fi ndln dex(i);if(strcmp(temp,pcFilePath)=O)找到并删除它，如果没找到就算了m_pcFilePathList.RemoveAt(m_pcFilePathList.F in dI ndex(i); delete temp;return; void CSe

11、 ndMail:DeleteAIIPath(void)m_pcFilePathList.RemoveAII();int CSe ndMail:GetFileData(char* FilePath) m_pcFileBuff=NULL;if(FilePath=NULL)return 0;CFile f;int len;USES_CONVERSION;if(!f.Ope n(A2W(FilePath),CFile:modeRead|CFile:modeNoTru ncate|CFile:typeB ina ry)return 0;len=(i nt)f.GetLe ngth();m_pcFileB

12、uff= new charle n+1;memset(m_pcFileBuff,O,le n+1);f.Read(m_pcFileBuff,le n);f.Close();return len;void CSe ndMail:GetFileName(char* fileName,char* filePath)if(filePath=NULL | fileName=NULL)return;int i;for(i=0;iif(filePathstrle n(filePath)-1-i='')memcpy(fileName, &filePathstrle n(filePath

13、)-i,i);return;bool CSe ndMail:CReateSocket(SOCKET & sock)WORD wVersio nRequested;WSADATA wsaData;int err;wVersio nRequested = MAKEWORD( 2, 2 );err = WSAStartup( wVersio nRequested, &wsaData );if ( err != 0 )return false;if ( LOBYTE( wsaData.wVersio n ) != 2 |HIBYTE( wsaData.wVersio n ) != 2

14、)WSAClea nup();return false;sock = socket(AF_INET,SOCK_STREAM,IPPROTO_IP);if (sock = INVALID_SOCKET)return false; sockaddr_ in servaddr;memset (&servaddr,0,sizeof(sockaddr_i n);servaddr.sin_family = AF_INET;servaddr.sin_port = htons(25);发邮件一般都是 25 端口if(m_sMaill nfo.m_pclPName=servaddr.s in _addr

15、.s_addr = in et_addr(m_sMaill nfo.m_pclPAddr);使用IP地址 elsestruct hoste nt *hp=gethostb yn ame(m_sMaill nfo.m_pclPName); servaddr.s in _addr.s_addr=*(i nt*)(*hp->h_addr_list);直接使用名称立连接if (ret = SOCKET_ERROR)int ret = conn ect(sock,(sockaddr* )& servaddr,sizeof(servaddr);return false;return true

16、; bool CSe ndMail:Logo n(SOCKET &sock)recv(sock,m_cReceiveBuff,1024,0);sen d(sock,m_cSe ndBuf,strle n(m_cSe ndBuff),O);开始会话recv(sock,m_cReceiveBuff,1024,0);if(m_cReceiveBuff0!=2 | m_cReceiveBuff1!='5' | m_cReceiveBuff2!='O')return false;memset(m_cSe ndBuf,0,sizeof(m_cSe ndBuff);s

17、pri ntf_s(m_cSe ndBuff,sen d(sock,m_cSe ndBuf,strle n(m_cSe ndBuff),O);请求登录recv(sock,m_cReceiveBuff,1024,0);if(m_cReceiveBuff0!=3 | m_cReceiveBuff1!=3 | m_cReceiveBuff2!='4')return false;memset(m_cSe ndBuf,0,sizeof(m_cSe ndBuff);Char2Base64(m_cSe ndBuf,m_sMaill nfo.m_pcUserName,strle n(m_sMa

18、ill nfo.m_pcUserNa me);m_cSe ndBuffstrle n(m_cSe ndBuff)='r：m_cSe ndBuffstrle n(m_cSe ndBuff)='n：sen d(sock,m_cSe ndBuf,strle n(m_cSe ndBuff),O);发送用户名recv(sock,m_cReceiveBuff,1024,0);if(m_cReceiveBuff0!=3 | m_cReceiveBuff1!=3 | m_cReceiveBuff2!='4')return false;memset(m_cSe ndBuf,0,s

19、izeof(m_cSe ndBuff);Char2Base64(m_cSe ndBuf,m_sMaill nfo.m_pcUserPassWord,strle n(m_sMaill nfo.m_pcUs erPassWord);m_cSe ndBuffstrle n(m_cSe ndBuff)='r'm_cSe ndBuffstrle n(m_cSe ndBuff)='n'sen d(sock,m_cSe ndBuf,strle n(m_cSe ndBuff),O);发送用户密码recv(sock,m_cReceiveBuff,1024,0);if(m_cRec

20、eiveBuff0!='2' | m_cReceiveBuff1!=3 | m_cReceiveBuff2!='5')return false;return true;/登录成功bool CSe ndMail:Se ndHead(SOCKET &sock)int rt;memset(m_cSe ndBuf,0,sizeof(m_cSe ndBuff);spri ntf_s(m_cSe ndBuff,if(rt!=strle n(m_cSe ndBuff)return false;recv(sock,m_cReceiveBuff,1024,0);memse

21、t(m_cSe ndBuf,0,sizeof(m_cSe ndBuff);spri ntf_s(m_cSe ndBuff,if(rt!=strle n(m_cSe ndBuff)return false;recv(sock,m_cReceiveBuff,1024,0);memset(m_cSe ndBuf,0,sizeof(m_cSe ndBuff); memcpy(m_cSe ndBuff,rt=se nd(sock,m_cSe ndBuff,strle n(m_cSe ndBuff),O);if(rt!=strle n(m_cSe ndBuff)return false;recv(sock

22、,m_cReceiveBuff,1024,0);memset(m_cSe ndBuff,0,sizeof(m_cSe ndBuff);spri ntf_s(m_cSe ndBuff,spri ntf_s(&m_cSe ndBuffstrle n( m_cSe ndBuff),150,spri ntf_s(&m_cSe ndBuffstrle n( m_cSe ndBuff),150,rt=se nd(sock,m_cSe ndBuff,strle n(m_cSe ndBuff),O);if(rt!=strle n(m_cSe ndBuff)return false;return

23、 true;bool CSe ndMail:Se ndTextBody(SOCKET &sock)int rt;memset(m_cSe ndBuf,0,sizeof(m_cSe ndBuff);spri ntf_s(m_cSe ndBuff,rt=se nd(sock,m_cSe ndBuff,strle n(m_cSe ndBuff),O); if(rt!=strle n(m_cSe ndBuff)return false;elsereturn true;bool CSe ndMail:Se ndFileBody(SOCKET &sock)int i;char* fileP

24、ath;int rt;int len;int pt=0;char fileName128;for(i=0;ipt=0;memset(fileName,0,128);filePath=m_pcFilePathList.GetAt(m_pcFilePathList.Fi ndln dex(i); len=GetFileData(filePath);GetFileName(fileName,filePath);spri ntf_s(m_cSe ndBuff,sen d(sock,m_cSe ndBuff,strle n(m_cSe ndBuff),O)；while (ptmemset(m_cSe n

25、dBuff,0,sizeof(m_cSe ndBuff);Char2Base64(m_cSe ndBuff,&m _pcFileBuffpt,mi n(le n-pt,3000); m_cSe ndBuffstrle n( m_cSe ndBuff)='r：m_cSe ndBuffstrle n(m_cSe ndBuff)='n：rt=se nd(sock,m_cSe ndBuff,strle n(m_cSe ndBuff),O);pt+=mi n( le n-pt,3000);if(rt!=strle n(m_cSe ndBuff)return false;if(le n!=0)delete m_pcFileBuff;return true;bool CSe ndMail:Se ndE n