C++中的while循环内cin语句未执行或不处理的问题分析

    		while (true)
    		{
    			int select;
    			cout << "请输入查找的方式：" << endl;
    			cout << "1、按职工编号查找" << endl;
    			cout << "2、按职工姓名查找" << endl;
    			cin >> select;
    			if (select == 1)
    			{
    				break;
    			}
    			if (select == 2)
    			{
    				break;
    			}
    			else
    			{
    				cout << "输入不合法！" << endl;
    			}
    		}