hi.cc

资深C++讲师授课代码

#include <iostream>
#include <cstring>
using namespace std;

int main(int argc, char* argv[])
{
	if(argc==1)
	{
		cout << "你好!" << endl;
	}
	else
	{
		if(argc!=2)
		{
			cout << "hi -m" << endl;
			cout << "hi -a" << endl;
			cout << "hi -e" << endl;
		}
		else
		{
			if(strcmp(argv[1],"-m")==0)
			{
				cout << "早上好" << endl;
			}
			if(strcmp(argv[1],"-a")==0)
			{
				cout << "下午好" << endl;
			}
			if(strcmp(argv[1],"-e")==0)
			{
				cout << "晚上好" << endl;
			}
		}
	}
	return 0;
}