不妨假设应用程序名为CmdTest，在命令行输入CmdTest Hello World
方法一:
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CString str = ::GetCommandLine();
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ASSERT(0 == str.Compare("CmdTest Hello World"));
方法二:
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ASSERT(3 == __argc);
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ASSERT(0 == strcmp(__argv[0],"CmdTest"));
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ASSERT(0 == strcmp(__argv[1],"Hello"));
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ASSERT(0 == strcmp(__argv[2],"World"));
方法三:
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ASSERT(0 == strcmp("Hello World",AfxGetApp()->m_lpCmdLine));
方法四:
使用MFC中的CCommandLineInfo类。
首先，将下面的代码注释，主要是不要生成对话框。
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CCmdTestDlg dlg;
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m_pMainWnd = &dlg;
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int nResponse = dlg.DoModal();
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if (nResponse == IDOK)
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{
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}
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else if (nResponse == IDCANCEL)
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{
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}
创建CCommandLineInfo的派生类
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class CMyCmdLineInfo : public CCommandLineInfo
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{
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public:
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CMyCmdLineInfo();
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virtual ~CMyCmdLineInfo();
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virtual void ParseParam(const char* pszParam, BOOL bFlag, BOOL bLast);
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CStringArray m_arCommd;
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};
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CMyCmdLineInfo::CMyCmdLineInfo()
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{
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m_arCommd.RemoveAll();
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}
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CMyCmdLineInfo::~CMyCmdLineInfo()
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{
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}
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void CMyCmdLineInfo::ParseParam(const char* pszParam, BOOL bFlag, BOOL bLast)
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{
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CString str = pszParam;
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m_arCommd.Add(str);
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}
在CCmdTestApp::InitInstance最后，return FALSE之前加上，注意要#include对应头文件
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CMyCmdLineInfo cmdInfo;
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cmdInfo.m_nShellCommand = CCommandLineInfo::FileNothing;
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ParseCommandLine(cmdInfo);
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ASSERT(2 == cmdInfo.m_arCommd.GetSize());
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ASSERT(0 == cmdInfo.m_arCommd[0].Compare("Hello"));
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ASSERT(0 == cmdInfo.m_arCommd[1].Compare("World"));
MFC中获取命令行参数的几种方法
原文：http://blog.csdn.net/jiangqin115/article/details/45177549
