c++调用outlook的com组件登录邮箱并获取收件箱的邮件
时间: 2024-03-26 22:41:39 浏览: 23
可以使用C++的COM技术调用Outlook的COM接口来实现登录邮箱并获取收件箱的邮件。
以下是一个简单的示例代码:
```c++
#include <windows.h>
#include <iostream>
#include <comutil.h>
#include <atlbase.h>
#include <ole2.h>
using namespace std;
int main()
{
HRESULT hr = CoInitializeEx(NULL, COINIT_MULTITHREADED);
if (FAILED(hr))
{
cout << "CoInitializeEx() failed: " << hr << endl;
return -1;
}
hr = CoCreateInstance(CLSID_Application, NULL, CLSCTX_LOCAL_SERVER, IID_IDispatch, (void**)&pOutlookApp);
if (FAILED(hr))
{
cout << "CoCreateInstance() failed: " << hr << endl;
CoUninitialize();
return -1;
}
hr = pOutlookApp->GetNamespace("MAPI", &pNamespace);
if (FAILED(hr))
{
cout << "GetNamespace() failed: " << hr << endl;
pOutlookApp->Release();
CoUninitialize();
return -1;
}
hr = pNamespace->Logon("", "", VARIANT_TRUE, VARIANT_TRUE, &pSession);
if (FAILED(hr))
{
cout << "Logon() failed: " << hr << endl;
pNamespace->Release();
pOutlookApp->Release();
CoUninitialize();
return -1;
}
hr = pNamespace->GetDefaultFolder(olFolderInbox, &pInboxFolder);
if (FAILED(hr))
{
cout << "GetDefaultFolder() failed: " << hr << endl;
pSession->Logoff();
pNamespace->Release();
pOutlookApp->Release();
CoUninitialize();
return -1;
}
long count;
hr = pInboxFolder->get_Items()->get_Count(&count);
if (FAILED(hr))
{
cout << "get_Count() failed: " << hr << endl;
pInboxFolder->Release();
pSession->Logoff();
pNamespace->Release();
pOutlookApp->Release();
CoUninitialize();
return -1;
}
cout << "Number of emails: " << count << endl;
pInboxFolder->Release();
pSession->Logoff();
pNamespace->Release();
pOutlookApp->Release();
CoUninitialize();
return 0;
}
```
需要注意的是,需要先引入头文件`<comutil.h>`和`<atlbase.h>`,并且需要链接`Ole32.lib`和`OleAut32.lib`库文件。另外,上述代码只是一个简单的示例,需要根据实际情况进行修改和扩展。