说明：  psapi h头文件 psapi lib 库文件 用到GetProcessMemoryInfo等函数时，需要此文件。希望缺少此文件的可以下载。希望对你们有用。
(psapi h header file psapi lib library file used GetProcessMemoryInfo other functions, you need this file. Hope that the lack of this file can be downloaded. Hope that useful.)