2024-3-18

Chapter3/LinkQueue/LinkQueue.cpp

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+#include<iostream>     //cout,cin
+using namespace std;
+#include "LinkQueue.h"
+
+void dispmenu()
+{//显示主菜单
+	cout << endl;
+	cout << "1-初始化链队\n";
+	cout << "2-元素入队\n";
+	cout << "3-元素出队\n";
+	cout << "4-取队头元素\n";
+	cout << "5-取队尾元素\n";
+	cout << "6-清空队\n";
+	cout << "7-测队空\n";
+	cout << "8-显示队列元素\n";
+	cout << "0-退出\n";
+}
+
+char pause;
+
+//主函数
+int main()
+{
+	int e;
+	LinkQueue<int> Q;
+	system("cls");											// 执行系统命令cls，清屏
+
+	int choice;
+	do
+	{
+		dispmenu();											// 显示主菜单
+		cout << "功能选择(1~8，0 退出):";
+		cin >> choice;
+		switch (choice)
+		{
+		case 1:											// 初始化链队
+			InitQueue(Q);
+			cout << endl << "创建成功！" << endl;
+			break;
+		case 2:										//入队
+			cout << "输入要插入的元素值：" << endl;
+			cin >> e;
+			cout << endl;
+			if (EnQueue(Q, e))
+			{
+				cout << endl << "入队成功！队列元素为：" << endl;
+				DispQueue(Q);
+			}
+			else
+				cout << endl << "入队不成功！" << endl;
+			break;
+
+		case 3:												// 出队
+			if (DeQueue(Q, e))
+			{
+				cout << endl << "出队成功！出队元素为:" << e << endl;
+				cout << endl << "出队后，队列元素为：" << endl;
+				DispQueue(Q);
+			}
+			else
+				cout << endl << "队空，出队失败！" << endl;
+			break;
+
+		case 4:											// 获取队头元素
+			if (GetHead(Q, e))
+			{
+				cout << "队列元素为：" << endl;
+				DispQueue(Q);
+				cout << endl << "队头元素为:" << e << endl;
+			}
+			else
+				cout << endl << "队空！" << endl;
+			break;
+		case 5:											// 获取队尾元素
+			if (GetTail(Q, e))
+			{
+				cout << "队列元素为：" << endl;
+				DispQueue(Q);
+				cout << endl << "队尾元素为:" << e << endl;
+
+			}
+			else
+				cout << endl << "队空！" << endl;
+			break;
+		case 6:											// 清空队
+			ClearQueue(Q);
+			cout << endl << "队已空!" << endl;
+		case 7:											// 测队空
+			if (QueueEmpty(Q))
+				cout << endl << "空队！" << endl;
+			else
+				cout << endl << "不是空队！" << endl;
+			break;
+		case 8:											 // 查看队列元素
+			DispQueue(Q);
+			cout << endl;
+			break;
+		case 0:												 // 退出
+			DestroyQueue(Q);
+			cout << "结束运行Bye-bye!" << endl;
+			break;
+		default:											// 无效选择
+			cout << "无效选择!\n";
+			break;
+		}
+	} while (choice != 0);
+	return 0;
+}//end of main function