利用管道获取控制台程序的标准输出

冷不防 2022-07-12 05:07 253阅读 0赞

# [利用管道获取控制台程序的标准输出 ][Link 1] #

标签： [ c++][c][管道][Link 2]

2015-01-22 21:35  1000人阅读 [评论][Link 3](0) 收藏 [举报][Link 4]

本文章已收录于：

![category_icon.jpg][] 分类：

C/C++*（27）* ![arrow_triangle_20_down.jpg][] ![arrow_triangle_up.jpg][]

[作者同类文章][Link 5] *X*

1.该程序调用控制台程序hello.exe，通过管道获取到hello.exe的标准输出数据，并打印到当前程序的标准输出。

**\[cpp\]** [ view plain][view plain] [ copy][view plain] [ print][view plain] [?][view plain]

1.  \#include <Windows.h>  
2.  \#include <iostream>  
3.  \#include <string>  
4.    
5.  using namespace std;  
6.    
7.  void invoke(string exe);  
8.    
9.  int main(int argc, char\* argv\[\])  
10. \{  
11.     string exe = "hello.exe";  
12.     invoke(exe);  
13.     return 0;  
14. \}  
15.   
16.   
17. void invoke(string exe)  
18. \{  
19.     SECURITY\_ATTRIBUTES saPipe;   
20.         saPipe.nLength = sizeof(SECURITY\_ATTRIBUTES);  
21.         saPipe.lpSecurityDescriptor = NULL;  
22.         saPipe.bInheritHandle = TRUE;  
23.       
24.     HANDLE hReadPipe, hWritePipe;  
25.     BOOL bSuccess = CreatePipe(&hReadPipe,   
26.         &hWritePipe,   
27.         &saPipe,   
28.         0);    
29.     if(!bSuccess)   
30.         return ;  
31.       
32.     PROCESS\_INFORMATION pi;   
33.     STARTUPINFO si;   
34.         memset(&si,0,sizeof(si));   
35.         si.hStdInput=hReadPipe;  
36.         si.hStdOutput=hWritePipe;  
37.         si.dwFlags=STARTF\_USESTDHANDLES;  
38.         si.cb=sizeof(si);   
39.       
40.     if(CreateProcess(NULL,(char\*)exe.c\_str(),NULL,NULL,TRUE,0,NULL,NULL,&si,&pi))  
41.     \{  
42.         CloseHandle(pi.hThread);      
43.         const int max = 500;  
44.         char buf\[max\] = \{0\};  
45.         DWORD dw;  
46.           
47.         if(ReadFile(hReadPipe,buf,max-1,&dw,NULL))  
48.         \{  
49.             cout<<buf<<endl;  
50. //          ZeroMemory(buf,max);  
51.         \}  
52.           
53.         CloseHandle(pi.hProcess);     
54.     \}  
55.       
56.     CloseHandle(hReadPipe);  
57.     CloseHandle(hWritePipe);  
58. \}

![save_snippets.png][]

#include <Windows.h>
    #include <iostream>
    #include <string>
    
    using namespace std;
    
    void invoke(string exe);
    
    int main(int argc, char* argv[])
    {
    	string exe = "hello.exe";
    	invoke(exe);
    	return 0;
    }
    
    
    void invoke(string exe)
    {
    	SECURITY_ATTRIBUTES saPipe; 
            saPipe.nLength = sizeof(SECURITY_ATTRIBUTES);
            saPipe.lpSecurityDescriptor = NULL;
            saPipe.bInheritHandle = TRUE;
    	
    	HANDLE hReadPipe, hWritePipe;
    	BOOL bSuccess = CreatePipe(&hReadPipe, 
    		&hWritePipe, 
    		&saPipe, 
    		0);  
    	if(!bSuccess) 
    		return ;
    	
    	PROCESS_INFORMATION pi; 
    	STARTUPINFO si; 
            memset(&si,0,sizeof(si)); 
            si.hStdInput=hReadPipe;
            si.hStdOutput=hWritePipe;
            si.dwFlags=STARTF_USESTDHANDLES;
            si.cb=sizeof(si); 
    	
    	if(CreateProcess(NULL,(char*)exe.c_str(),NULL,NULL,TRUE,0,NULL,NULL,&si,&pi))
    	{
    		CloseHandle(pi.hThread);   	
    		const int max = 500;
    		char buf[max] = {0};
    		DWORD dw;
    		
    		if(ReadFile(hReadPipe,buf,max-1,&dw,NULL))
    		{
    			cout<<buf<<endl;
    //			ZeroMemory(buf,max);
    		}
    		
    		CloseHandle(pi.hProcess);   
    	}
    	
    	CloseHandle(hReadPipe);
    	CloseHandle(hWritePipe);
    }

输出结果为：

![Center][]  
2. hello.exe的主代码

**\[cpp\]** [ view plain][view plain] [ copy][view plain] [ print][view plain] [?][view plain] [![在CODE上查看代码片][CODE]][CODE_CODE] [![派生到我的代码片][ico_fork.svg]][ico_fork.svg 1]

1.  \#include <stdio.h>  
2.    
3.  void main()  
4.  \{  
5.      printf("hello!\\n");  
6.  \}

![save_snippets.png][]

#include <stdio.h>
    
    void main()
    {
    	printf("hello!\n");
    }

顶

踩

*  上一篇[MD5和SHA1算法C++实现及运行时间分析][MD5_SHA1_C]
 *  下一篇[BTEA算法C语言实现][BTEA_C]

[Link 1]: http://blog.csdn.net/libinjlu/article/details/43026987
[c]: http://www.csdn.net/tag/c%2b%2b
[Link 2]: http://www.csdn.net/tag/%e7%ae%a1%e9%81%93
[Link 3]: http://blog.csdn.net/libinjlu/article/details/43026987#comments
[Link 4]: http://blog.csdn.net/libinjlu/article/details/43026987#report
[category_icon.jpg]: /images/20220711/5d337bb388a6435cbf7bf639239160d8.png
[arrow_triangle_20_down.jpg]: http://static.blog.csdn.net/images/arrow_triangle%20_down.jpg
[arrow_triangle_up.jpg]: /images/20220711/2a1ac8c41f5e42bdb20efd9cf33eccf6.png
[Link 5]: http://blog.csdn.net/coolibin/article/category/1728497
[view plain]: http://blog.csdn.net/libinjlu/article/details/43026987#
[save_snippets.png]: /images/20220711/343669a3e2644a81b2ff57c78b98343b.png
[Center]: /images/20220711/a130fc5183254c0492005ef791b1172c.png
[CODE]: https://code.csdn.net/assets/CODE_ico.png
[CODE_CODE]: https://code.csdn.net/snippets/586683
[ico_fork.svg]: https://code.csdn.net/assets/ico_fork.svg
[ico_fork.svg 1]: https://code.csdn.net/snippets/586683/fork
[MD5_SHA1_C]: http://blog.csdn.net/libinjlu/article/details/42983803
[BTEA_C]: http://blog.csdn.net/libinjlu/article/details/43030369