#include <iostream> using namespace std; int main() { int number = 0; cout << "输入数字1-7:\n"; cin >> number; switch (number) { case 1:cout << "星期一\n";break; case 2:cout << "星期二\n";break; case 3:cout << "星期三\n";break; case 4:cout << "星期四\n";break; case 5:cout << "星期五\n";break; case 6:cout << "星期六\n";break; case 7:cout << "星期七\n";break; default:cout << "输入错误!\n";break; }