1.利用ShellExecute 可以条用默认邮件客户端，但不能发送带附件的邮件
mailto:用户账号@邮件服务器地址?subject=邮件主题＆body=邮件正文
如：ShellExecute(handle, ‘open’, ‘ mailto:who@mail.neu.edu.cn？subject=Hello＆Body=This is a test’, nil, nil, SW_SHOWNORMAL);打开新邮件窗口，并自动填入收件人地址、邮件主题和邮件正文。若邮件正文包括多行文本，则必须在每行文本之间加入换行转义字符％0a。
转载:http://blog.csdn.net/hczhiyue/article/details/6974593
2.
转载:http://www.vckbase.com/index.php/wv/452.html
转载:http://blog.csdn.net/elcoteq983/article/details/7286560
1 //必须包括 mapi.h 头文件 2 #include "mapi.h" 3 4 /* code 为非Unicode版本 */ 5 /********************************************************************* 6 * 函数名称:CSendEMailDlg::OnSendMapi 7 * 说明: 调用MAPI函数发送邮件。 8 * 作者: Geng 9 * 时间 : 2003-04-22 20:08:30 10 *********************************************************************/ 11 void CSendEMailDlg::OnSendMapi() 12 { 13 UpdateData(true); 14 15 //装入MAPI32.DLL动态库 16 HMODULE hMod = LoadLibrary("MAPI32.DLL"); 17 18 if (hMod == NULL) 19 { 20 //AfxMessageBox(AFX_IDP_FAILED_MAPI_LOAD); 21 MessageBox(NULL,"加载失败","提示",MB_OK); 22 return; 23 } 24 25 //获取发送邮件的函数地址 26 ULONG (PASCAL *lpfnSendMail)(ULONG, ULONG, MapiMessage*, FLAGS, ULONG); 27 (FARPROC&)lpfnSendMail = GetProcAddress(hMod, "MAPISendMail"); 28 29 if (lpfnSendMail == NULL) 30 { 31 AfxMessageBox(AFX_IDP_INVALID_MAPI_DLL); 32 return; 33 } 34 35 int nFileCount = 1; //有多少个附件需要发送，在此我设置为1 36 37 //分配内存保存附件信息 不能使用静态数组，因为不知道要发送附件的个数 38 MapiFileDesc* pFileDesc = (MapiFileDesc*)malloc(sizeof(MapiFileDesc) * nFileCount); 39 memset(pFileDesc,0,sizeof(MapiFileDesc) * nFileCount); 40 41 //分配内存保存附件文件路径 42 TCHAR* pTchPath = (TCHAR*)malloc(MAX_PATH * nFileCount); 43 44 CString szText; 45 for(int i = 0;i < nFileCount;i++) 46 { 47 TCHAR* p = pTchPath + MAX_PATH * i; 48 m_list.GetText(i,szText); 49 strcpy(p,szText); 50 51 (pFileDesc + i)->nPosition = (ULONG)-1; 52 (pFileDesc + i)->lpszPathName = p; 53 (pFileDesc + i)->lpszFileName = p; 54 } 55 56 //收件人结构信息 57 MapiRecipDesc recip; 58 memset(&recip,0,sizeof(MapiRecipDesc)); 59 recip.lpszAddress = xxx@163.com;//收件人邮箱地址 60 recip.ulRecipClass = MAPI_TO; 61 62 //邮件结构信息 63 MapiMessage message; 64 memset(&message, 0, sizeof(message)); 65 message.nFileCount = nFileCount; //文件个数 66 message.lpFiles = pFileDesc; //文件信息 67 message.nRecipCount = 1; //收件人个数 68 message.lpRecips = &recip; //收件人 69 message.lpszSubject = "hello"; //主题 70 message.lpszNoteText = "This is test"; //正文内容 71 72 //发送邮件 73 int nError = lpfnSendMail(0, 0,&message, MAPI_LOGON_UI|MAPI_DIALOG, 0); 74 75 if (nError != SUCCESS_SUCCESS && nError != MAPI_USER_ABORT 76 && nError != MAPI_E_LOGIN_FAILURE) 77 { 78 // AfxMessageBox(AFX_IDP_FAILED_MAPI_SEND); 79 MessageBox(NULL,"发送失败","提示",MB_OK); 80 } 81 82 //不要忘了释放分配的内存 83 free(pFileDesc); 84 free(pTchPath); 85 FreeLibrary(hMod); 86 }
1 /*Unidode 版本*/ 2 3 #include "mapi.h" 4 #include <atlstr.h> 5 6 std::string UnicodeToANSI(const wstring& wstr) 7 { 8 int unicodeLen = ::WideCharToMultiByte(CP_ACP,0,wstr.c_str(),-1,NULL,0, NULL ,NULL); 9 10 if(unicodeLen == 0) return std::string(""); 11 12 char *pChar= new char[unicodeLen+1]; 13 14 memset(pChar , 0 , sizeof( char ) * (unicodeLen+1)); 15 16 ::WideCharToMultiByte(CP_ACP,0,wstr.c_str(),-1,pChar,unicodeLen, NULL ,NULL); 17 18 pChar[unicodeLen]=0; 19 20 string str = pChar; 21 22 delete [] pChar; 23 pChar=NULL; 24 25 return str; 26 } 27 28 int main() 29 { 30 31 32 //装入MAPI32.DLL动态库 33 HMODULE hMod = LoadLibrary(L"MAPI32.DLL"); 34 35 if (hMod == NULL) 36 { 37 38 return -1; 39 } 40 41 //获取发送邮件的函数地址 42 ULONG (PASCAL *lpfnSendMail)(ULONG, ULONG, MapiMessage*, FLAGS, ULONG); 43 (FARPROC&)lpfnSendMail = GetProcAddress(hMod, "MAPISendMail"); 44 45 if (lpfnSendMail == NULL) 46 { 47 48 return -1; 49 } 50 51 int nFileCount = 1; //有多少个附件需要发送 52 53 //分配内存保存附件信息 不能使用静态数组，因为不知道要发送附件的个数 54 MapiFileDesc* pFileDesc = (MapiFileDesc*)malloc(sizeof(MapiFileDesc) * nFileCount); 55 memset(pFileDesc,0,sizeof(MapiFileDesc) * nFileCount); 56 57 //分配内存保存附件文件路径 58 CHAR* pTchPath = (CHAR*)malloc(MAX_PATH * nFileCount); 59 60 CString szText("C:\ 网站.txt"); 61 62 for(int i = 0;i < nFileCount;i++) 63 { 64 CHAR* p = pTchPath + MAX_PATH * i; 65 66 string temp = UnicodeToANSI(szText.GetBuffer()); 67 strcpy (p,temp.c_str()); 68 69 70 (pFileDesc + i)->nPosition = (ULONG)-1; 71 (pFileDesc + i)->lpszPathName = p; 72 (pFileDesc + i)->lpszFileName = p; 73 } 74 75 //收件人结构信息 76 MapiRecipDesc recip; 77 memset(&recip,0,sizeof(MapiRecipDesc)); 78 recip.lpszAddress = "2xxxxxx1@qq.com"; 79 recip.ulRecipClass = MAPI_TO; 80 81 recip.lpszName = "Your Name"; 82 83 //邮件结构信息 84 MapiMessage message; 85 memset(&message, 0, sizeof(message)); 86 message.nFileCount = nFileCount; //文件个数 87 message.lpFiles = pFileDesc; //文件信息 88 message.nRecipCount = 1; //收件人个数 89 message.lpRecips = &recip; //收件人 90 message.lpszSubject = "hello"; //主题 91 message.lpszNoteText = "This is test"; //正文内容 92 93 94 95 //发送邮件 96 int nError = lpfnSendMail(0, 0,&message, MAPI_LOGON_UI|MAPI_DIALOG, 0); 97 98 if (nError != SUCCESS_SUCCESS && nError != MAPI_USER_ABORT 99 && nError != MAPI_E_LOGIN_FAILURE) 100 { 101 //错误提示信息 102 } 103 104 105 //不要忘了释放分配的内存 106 free(pFileDesc); 107 free(pTchPath); 108 FreeLibrary(hMod); 109 110 return 0; 111 }