如何在MFC中进行系统调用？
[英]How to do system call in MFC?
问题描述
It is a really old MFC program which I have to use right now. 
这是我现在必须使用的非常老的MFC程序。 Some calculation needs to be done and I already have a python script written for that, writing things again in c++ is too time consuming, so I made MFC output data in text file, then try to use system() to call python (as system("python XXX.py") ) and write the result back in another text file. 需要进行一些计算，并且我已经为此编写了一个python脚本，再次用c ++编写内容非常耗时，因此我在文本文件中制作了MFC输出数据，然后尝试使用system()来调用python（作为system("python XXX.py") ），然后将结果写回到另一个文本文件中。 But when the MFC program ran to that part, the command window popped up briefly but no text file was generated. 但是当MFC程序运行到该部分时，命令窗口会短暂弹出，但是没有生成文本文件。 I tested system("python XXX.py") in a separated c++ project and it worked fine, so it must be a MFC problem, I have googled and tried using _spawnl() , but it is not working. 我在一个单独的c ++项目中测试了system("python XXX.py") ，它工作正常，所以它一定是MFC问题，我已经在google上搜索并尝试使用_spawnl() ，但是它不起作用。 Needs help, thanks in advance. 需要帮助，在此先感谢。
1 个解决方案
解决方案1
1 已采纳 2015-03-12 08:05:39
No, it's not an MFC problem. 不，这不是MFC问题。 system() in both cases is the same C library function. 两种情况下的system()都是相同的C库函数。
However, note that XXX.py is a filename without path. 但是，请注意XXX.py是没有路径的文件名。 Your problem might simply be that the file isn't found. 您的问题可能仅仅是因为找不到该文件。
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