VC++smtp发送邮件和附件模块.doc

C+发送邮件和附件 头文件cpp view plaincopy1 /* 2 *发送邮件模块头文件 3 *可以发送文本和附件（支持多个附件一起发送） 4 */ 5 #pragma once 6 struct sMailInfo /邮件信息 7 8 char* m_pcUserName;/用户登录邮箱的名称 9 char* m_pcUserPassWord;/用户登录邮箱的密码 10 char* m_pcSenderName;/用户发送时显示的名称 11 char* m_pcSender;/发送者的邮箱地址 12 char* m_pcReceiver;/接收者的邮箱地址 13 char* m_pcTitle;/邮箱标题 14 char* m_pcBody;/邮件文本正文 15 char* m_pcIPAddr;/服务器的IP 16 char* m_pcIPName;/服务器的名称（IP与名称二选一，优先取名称） 17 sMailInfo()memset(this,0,sizeof(sMailInfo); 18 ; 19 class CSendMail 20 21 public: 22 CSendMail(void); 23 CSendMail(void); 24 25 public: 26 bool SendMail(sMailInfo &smailInfo);/发送邮件，需要在发送的时候初始化邮件信息 27 void AddFilePath(char * pcFilePath);/添加附件的决定路径到附件列表中 28 void DeleteFilePath(char* pcFilePath);/删除附件路径，如果有的话 29 void DeleteAllPath(void);/删除全部附件的路径 30 31 protected: 32 void GetFileName(char* fileName,char* filePath);/从附件的路径中获取文件名称 33 void Char2Base64(char* pBuff64,char* pSrcBuff,int iLen);/把char类型转换成Base64类型 34 bool CReateSocket(SOCKET &sock);/建立socket连接 35 bool Logon(SOCKET &sock);/登录邮箱，主要进行发邮件前的准备工作 36 int GetFileData(char* FilePath);/由文件路径获取附件内容 37 38 bool SendHead(SOCKET &sock);/发送邮件头 39 bool SendTextBody(SOCKET &sock);/发送邮件文本正文 40 bool SendFileBody(SOCKET &sock);/发送邮件附件 41 bool SendEnd(SOCKET &sock);/发送邮件结尾 42 protected: 43 CList m_pcFilePathList;/记录附件路径 44 45 char m_cSendBuff4096;/发送缓冲区 46 char m_cReceiveBuff1024; 47 char* m_pcFileBuff;/指向附件内容 48 sMailInfo m_sMailInfo; 49 ; 模块实现文件cpp view plaincopy50 /* 51 * 发送邮件模块 52 *可以发送文本和附件（支持多个附件一起发送） 53 *Date:2011-12-01 54 */ 55 #include StdAfx.h 56 #include SendMail.h 57 #include winsock2.h 58 #pragma comment(lib,WSOCK32) 59 60 CSendMail:CSendMail(void) 61 62 m_pcFileBuff=NULL; 63 memset(m_cSendBuff,0,sizeof(m_cSendBuff); 64 memset(m_cReceiveBuff,0,sizeof(m_cReceiveBuff); 65 66 67 68 CSendMail:CSendMail(void) 69 70 DeleteAllPath(); 71 72 73 74 void CSendMail:Char2Base64(char* pBuff64,char* pSrcBuff,int iLen) 75 76 /1 1 1 1 1 1 1 1 77 / 分配给pBuff64 分配给pBuff64+1 78 / point所在的位置 79 static char Base64Encode = ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/;/base64所映射的字符表 80 int point;/每一个源字符拆分的位置，可取2,4,6；初始为2 81 point=2; 82 int i; 83 int iIndex;/base64字符的索引 84 char n=0;/上一个源字符的残留值 85 for(i=0;ipoint)&0x3f;/取得pSrcBuff的高point位 90 91 else if (point=4) 92 93 iIndex=(*pSrcBuff)point)&0xf;/取得pSrcBuff的高point位 94 95 else if(point=6) 96 97 iIndex=(*pSrcBuff)point)&0x3;/取得pSrcBuff的高point位 98 99 iIndex+=n;/与pSrcBuff-1的低point结合组成Base64的索引 100 *pBuff64+=Base64EncodeiIndex;/由索引表得到pBuff64 101 n=(*pSrcBuff)(6-point);/计算源字符中的残留值 102 n=n&0x3f;/确保n的最高两位为0 103 point+=2;/源字符的拆分位置上升2 104 if(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 105 106 iIndex=(*pSrcBuff)&0x3f;/提取低6位，这就是索引了 107 *pBuff64+=Base64EncodeiIndex;/ 108 n=0;/残留值为0 109 point=2;/拆分位置设为2 110 111 pSrcBuff+; 112 113 114 if(n!=0) 115 116 *pBuff64+=Base64Encoden; 117 118 if(iLen%3=2)/如果源字符串长度不是3的倍数要用=补全 119 120 *pBuff64=; 121 122 else if(iLen%3=1) 123 124 *pBuff64+=; 125 *pBuff64=; 126 127 128 129 void CSendMail:AddFilePath(char * pcFilePath)/添加附件路径 130 131 if(pcFilePath=NULL) 132 133 return; 134 135 int i; 136 char* temp; 137 for(i=0;im_pcFilePathList.GetCount();i+) 138 139 temp=m_pcFilePathList.GetAt(m_pcFilePathList.FindIndex(i); 140 if(strcmp(pcFilePath,temp)=0)/如果已经存在就不用再添加了 141 142 return; 143 144 145 m_pcFilePathList.AddTail(pcFilePath); 146 147 148 void CSendMail:DeleteFilePath(char* pcFilePath)/删除附件路径 149 150 int i; 151 char* temp; 152 for(i=0;im_pcFilePathList.GetCount();i+) 153 154 temp=m_pcFilePathList.GetAt(m_pcFilePathList.FindIndex(i); 155 if(strcmp(temp,pcFilePath)=0)/找到并删除它，如果没找到就算了 156 157 m_pcFilePathList.RemoveAt(m_pcFilePathList.FindIndex(i); 158 delete temp; 159 return; 160 161 162 163 164 165 void CSendMail:DeleteAllPath(void) 166 167 m_pcFilePathList.RemoveAll(); 168 169 170 int CSendMail:GetFileData(char* FilePath) 171 172 m_pcFileBuff=NULL; 173 if(FilePath=NULL) 174 175 return 0; 176 177 CFile f; 178 int len; 179 180 181 USES_CONVERSION; 182 if(!f.Open(A2W(FilePath),CFile:modeRead|CFile:modeNoTruncate|CFile:typeBinary) 183 184 return 0; 185 186 len=(int)f.GetLength(); 187 m_pcFileBuff=new charlen+1; 188 memset(m_pcFileBuff,0,len+1); 189 f.Read(m_pcFileBuff,len); 190 191 f.Close(); 192 return len; 193 194 195 void CSendMail:GetFileName(char* fileName,char* filePath) 196 197 if(filePath=NULL | fileName=NULL) 198 199 return; 200 201 int i; 202 for(i=0;ih_addr_list); 247 248 249 250 int ret = connect(sock,(sockaddr*)&servaddr,sizeof(servaddr);/建立连接 251 if (ret = SOCKET_ERROR) 252 253 return false; 254 255 256 return true; 257 258 259 260 bool CSendMail:Logon(SOCKET &sock) 261 262 recv(sock,m_cReceiveBuff,1024,0); 263 264 memset(m_cSendBuff,0,sizeof(m_cSendBuff); 265 sprintf_s(m_cSendBuff,HELO rn); 266 send(sock,m_cSendBuff,strlen(m_cSendBuff),0);/开始会话 267 recv(sock,m_cReceiveBuff,1024,0); 268 if(m_cReceiveBuff0!=2 | m_cReceiveBuff1!=5 | m_cReceiveBuff2!=0) 269 270 return false; 271 272 273 memset(m_cSendBuff,0,sizeof(m_cSendBuff); 274 sprintf_s(m_cSendBuff,AUTH LOGINrn); 275 send(sock,m_cSendBuff,strlen(m_cSendBuff),0);/请求登录 276 recv(sock,m_cReceiveBuff,1024,0); 277 if(m_cReceiveBuff0!=3 | m_cReceiveBuff1!=3 | m_cReceiveBuff2!=4) 278 279 return false; 280 281 282 memset(m_cSendBuff,0,sizeof(m_cSendBuff); 283 Char2Base64(m_cSendBuff,m_sMailInfo.m_pcUserName,strlen(m_sMailInfo.m_pcUserName); 284 m_cSendBuffstrlen(m_cSendBuff)=r; 285 m_cSendBuffstrlen(m_cSendBuff)=n; 286 send(sock,m_cSendBuff,strlen(m_cSendBuff),0);/发送用户名 287 recv(sock,m_cReceiveBuff,1024,0); 288 if(m_cReceiveBuff0!=3 | m_cReceiveBuff1!=3 | m_cReceiveBuff2!=4) 289 290 return false; 291 292 293 memset(m_cSendBuff,0,sizeof(m_cSendBuff); 294 Char2Base64(m_cSendBuff,m_sMailInfo.m_pcUserPassWord,strlen(m_sMailInfo.m_pcUserPassWord); 295 m_cSendBuffstrlen(m_cSendBuff)=r; 296 m_cSendBuffstrlen(m_cSendBuff)=n; 297 send(sock,m_cSendBuff,strlen(m_cSendBuff),0);/发送用户密码 298 recv(sock,m_cReceiveBuff,1024,0); 299 if(m_cReceiveBuff0!=2 | m_cReceiveBuff1!=3 | m_cReceiveBuff2!=5) 300 301 return false; 302 303 return true;/登录成功 304 305 306 307 bool CSendMail:SendHead(SOCKET &sock) 308 309 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); 313 314 if(rt!=strlen(m_cSendBuff) 315 316 return false; 317 318 recv(sock,m_cReceiveBuff,1024,0); 319 320 memset(m_cSendBuff,0,sizeof(m_cSendBuff); 321 sprintf_s(m_cSendBuff,RCPT TO:rn,m_sMailInfo.m_pcReceiver); 322 rt=send(sock,m_cSendBuff,strlen(m_cSendBuff),0); 323 if(rt!=strlen(m_cSendBuff) 324 325 return false; 326 327 recv(sock,m_cReceiveBuff,1024,0); 328 329 memset(m_cSendBuff,0,sizeof(m_cSendBuff); 330 memcpy(m_cSendBuff,DATArn,strlen(DATArn); 331 rt=send(sock,m_cSendBuff,strlen(m_cSendBuff),0); 332 if(rt!=strlen(m_cSendBuff) 333 334 return false; 335 336 recv(sock,m_cReceiveBuff,1024,0); 337 338 memset(m_cSendBuff,0,sizeof(m_cSendBuff); 339 sprintf_s(m_cSendBuff,From:%srn,m_sMailInfo.m_pcSenderName,m_sMailInfo.m_pcSender); 340 sprintf_s(&m_cSendBuffstrlen(m_cSendBuff),150,To:INVT.COM.CNrn,m_sMailInfo.m_pcReceiver); 341 sprintf_s(&m_cSendBuffstrlen(m_cSendBuff),150,Subject:%srnMime-Version: 1.0rnContent-Type: multipart/mixed; boundary=INVTrnrn,m_sMailInfo.m_pcTitle); 342 rt=send(sock,m_cSendBuff,strlen(m_cSendBuff),0); 343 if(rt!=strlen(m_cSendBuff) 344 345 return false; 346 347 348 return true; 349 350 351 bool CSendMail:SendTextBody(SOCKET &sock) 352 353 int rt; 354 memset(m_cSendBuff,0,sizeof(m_cSendBuff); 355 sprintf_s(m_cSendBuff,-INVTrnContent-Type: text/plain;rn charset=gb2312rnrn%srnrn,m_sMailInfo.m_pcBody); 356 rt=send(sock,m_cSendBuff,strlen(m_cSendBuff),0); 357 if(rt!=strlen(m_cSendBuff) 358 359 return false; 360 361 else 362 363 return true; 364 365 366 367 bool CSendMail:SendFileBody(SOCKET &sock) 368 369 int i; 370 char* filePath; 371 int rt; 372 int len; 373 int pt=0; 374 char fileName128; 375 for(i=0;im_pcFilePathList.GetCount();i+) 376 377 pt=0; 378 memset(fileName,0,128); 379 filePath=m_pcFilePathList.GetAt(m_pcFilePathList.FindIndex(i); 380 len=GetFileData(filePath); 381 GetFileName(fileName,filePath); 382 383 sprintf_s(m_cSendBuff,-INVTrnContent-Type: application/octet-stream;rn name=%srnContent-Transfer-Encoding: base64rnContent-Disposition: attachment;rn filename=%srnrn,fileName,fileName); 384 send(sock,m_cSendBuff,strlen(m_cSendBuff),0); 385 while (ptlen) 386 387 memset(m_cSendBuff,0,sizeof(m_cSendBuff); 388 Char2Base64(m_cSendBuff,&m_pcFileBuffpt,min(len-pt,3000); 389 m_cSendBuffstrlen(m_cSendBuff)=r; 390 m_cSendBuffstrlen(m_cSendBuff)=n; 391 rt=send(sock,m_cSendBuff,strlen(m_cSendBuff),0); 392 pt+=min(len-pt,3000); 393 if(rt!=strlen(m_cSendBuff) 394 395 return false; 396 397 398 if(len!=0) 399 400 delete m_pcFileBuff; 401 402 403 404 return true; 405 406 407 bool CSendMail:SendEnd(SOCKET &sock) 408 409 sprintf_s(m_cSendBuff,-INVT-rn.rn); 410 send(sock,m_cSendBuff,strlen(m_cSendBuff),0); 411 412 sprintf_s(m_cSend