得到cpu占有得到cpu占有率的API函数： GetSystemTimes 得到内存使用情况的API函数： GlobalMemoryStatusEx Function Retrieves information about the system's current usage of both physical and virtual memory. GetPerformanceInfo Function Retrieves the performance values contained in the PERFORMANCE_INFORMATION structure 获取特定程序的内存使用情况用： GetProcessMemoryInfo Function Retrieves information about the memory usage of the specified process. 率的API函数