C语言——教师信息管理系统

1.教师信息添加.h

void InputTeacher()
{
	int c = 0;
	system("cls");
	printf("\t\t*************************************************\n");
	printf("\t\t********    欢迎来到教师信息添加系统   **********\n");
	printf("\t\t*************************************************\n");
	printf("\t\t********    1.确定添加教师信息         **********\n");
	printf("\t\t********    2.放弃添加教师信息         **********\n");
	printf("\t\t*************************************************\n");
	printf("请输入您的选项：\n");
	scanf("%d", &c);
	getchar();
	switch (c)
	{
	case 1:
	{
		int i;
		//动态内存 分配返回值为void型指针（新开辟一个节点用来保存输入的值）
		Node* pNewNode = (Node*)malloc(sizeof(Node));
		pNewNode->pNext = NULL;

		//头插法
		if (g_pHead == NULL)//如果第一个节点为空，则新开辟的节点就是头
		{
			g_pHead = pNewNode;
		}
		else//如果第一个节点不为空 则把新开辟的节点插到头结点之前 使新开辟的节点成为头（先让新节点的指针域指向
		{
			pNewNode->pNext = g_pHead;//原来的头 然后再让他成为新的头）
			g_pHead = pNewNode;
		}
		printf("请输入教师姓名：\n");
		scanf("%s", pNewNode->teach.T_name);//将新添加的数据存到新开辟的节点里
		getchar();
		printf("请输入教师性别：\n");
		scanf("%s", pNewNode->teach.T_sex);
		getchar();
		printf("请输入教师年龄：\n");
		scanf("%d", &pNewNode->teach.T_age);
		getchar();
		printf("请输入教师积分：\n");
		scanf("%d", &pNewNode->teach.T_score);
		getchar();
		printf("请输入教师住址：\n");
		scanf("%s", pNewNode->teach.T_addr);
		getchar();
		//进度读取条
		{
			i = 6;
			printf("\t\t玩命加载数据中：");
			while (i-- > 0)
			{
				printf(".");
				Sleep(500);
			}
			printf("\n");
		}
		printf("教师信息添加成功！\n");
		system("pause");
		system("cls");
		break;
	}
	case 2:
		system("pause");
		system("cls");
		break;
	}
}

2. 教师信息显示.h

void PrintfTeacher()
{
	int c = 0;
	system("cls");
	printf("\t\t*************************************************\n");
	printf("\t\t********    欢迎来到教师信息显示系统   **********\n");
	printf("\t\t*************************************************\n");
	printf("\t\t********    1.确定显示教师信息         **********\n");
	printf("\t\t********    2.放弃显示教师信息         **********\n");
	printf("\t\t*************************************************\n");
	printf("请输入您的选项：\n");
	scanf("%d", &c);
	getchar();
	switch (c)
	{
	case 1:
	{
		system("cls");
		printf("\t\t*************************************************\n");
		printf("\t\t********        所有教师信息如下       **********\n");
		printf("\t\t*************************************************\n");
		printf("\t\t** 姓名      性别      年龄      积分     住址 **\n");
		printf("\t\t*************************************************\n");

		//遍历链表
		Node* p = g_pHead;
		while (p != NULL)
		{
			printf("\t\t%s\t\t%s\t%d\t%d\t%s\n",
				p->teach.T_name,
				p->teach.T_sex,
				p->teach.T_age,
				p->teach.T_score,
				p->teach.T_addr);

			p = p->pNext;
		}
		system("pause");
		system("cls");
		break;
	}
	case 2:system("pause");
		system("cls");
		break;
	}
}

3.教师信息修改.h

void AfterTeacher()
{
	int c = 0;
	system("cls");
	printf("\t\t*************************************************\n");
	printf("\t\t********    欢迎来到教师信息修改系统   **********\n");
	printf("\t\t*************************************************\n");
	printf("\t\t********    1.确定修改教师信息         **********\n");
	printf("\t\t********    2.放弃修改教师信息         **********\n");
	printf("\t\t*************************************************\n");
	printf("请输入您的选项：\n");
	scanf("%d", &c);
	getchar();
	switch (c)
	{
	case 1:
	{
		char XGname[20] = { 0 };
		printf("请输入您要修改的教师的姓名：\n");
		scanf("%s", XGname);
		getchar();
		//遍历链表
		Node* p = g_pHead;
		while (p != NULL)
		{
			if (strcmp(p->teach.T_name, XGname) == 0)
			{
				printf("请输入您将要修改的教师姓名：\n");
				scanf("%s", p->teach.T_name);
				getchar();
				printf("请输入您将要修改的教师性别：\n");
				scanf("%s", p->teach.T_sex);
				getchar();
				printf("请输入您将要修改的教师年龄：\n");
				scanf("%d", &p->teach.T_age);
				getchar();
				printf("请输入您将要修改的教师积分：\n");
				scanf("%d", &p->teach.T_score);
				getchar();
				printf("请输入您将要修改的教师住址：\n");
				scanf("%s", p->teach.T_addr);
				getchar();

				printf("教师信息修改成功！\n");
			}
			else if (p == NULL)//strcmp(p->teach.T_name, XGname) != 0)
			{
				printf("没有查询到此人！\n");
			}
			p = p->pNext;
		}
		system("pause");
		system("cls");
		break;
	}
	case 2:
		system("pause");
		system("cls");
		break;
	}
}

4.教师信息删除.h

void DeleteTeacher()
{
	int c = 0;
	system("cls");
	printf("\t\t*************************************************\n");
	printf("\t\t********    欢迎来到教师信息删除系统   **********\n");
	printf("\t\t*************************************************\n");
	printf("\t\t********    1.确定删除教师信息         **********\n");
	printf("\t\t********    2.放弃删除教师信息         **********\n");
	printf("\t\t*************************************************\n");
	printf("请输入您的选项：\n");
	scanf("%d", &c);
	getchar();
	switch (c)
	{
	case 1:
	{
		char SCname[20];
		printf("请输入您要删除的教师的姓名：\n");
		scanf("%s", SCname);
		getchar();
		Node* p1, * p2;
		//判断是不是头结点
		if (strcmp(g_pHead->teach.T_name, SCname) == 0)
		{
			int m = 0;
			printf("您是确定要删除此人？（1-确定，2-再想想）\n");
			scanf("%d", &m);
			getchar();
			if (m == 1)
			{
				p1 = g_pHead;
				g_pHead = g_pHead->pNext;
				free(p1);
				printf("删除成功！\n");
				system("pause");
				system("cls");
			}
			else if (m == 2)
			{
				exit(0);
			}
		}
		//不是头结点
		Node* p = g_pHead;
		while (p->pNext != NULL)
		{
			if (strcmp(p->pNext->teach.T_name, SCname) == 0)
			{
				int m = 0;
				printf("您是确定要删除此人？（1-确定，2-再想想）\n");
				scanf("%d", &m);
				if (m == 1)
				{
					p2 = p->pNext;
					p->pNext = p->pNext->pNext;
					free(p2);
					printf("删除成功！\n");
					system("pause");
					system("cls");
				}
				else if (m == 2)
				{
					system("pause");
					system("cls");
				}
			}
			p = p->pNext;
			if (p->pNext == NULL)
			{
				break;
			}
		}
		if (p->pNext == NULL)
		{
			printf("查无此人！\n");
		}
		system("pause");
		system("cls");
		break;
	}
	case 2:system("pause");
		system("cls");
		break;
	}
}

5.教师信息查询.h

Node* FindTeacher()
{
	int c = 0;
	system("cls");
	printf("\t\t*************************************************\n");
	printf("\t\t********    欢迎来到教师信息保存系统   **********\n");
	printf("\t\t*************************************************\n");
	printf("\t\t********    1.确定保存教师信息         **********\n");
	printf("\t\t********    2.放弃保存教师信息         **********\n");
	printf("\t\t*************************************************\n");
	printf("请输入您的选项：\n");
	scanf("%d", &c);
	getchar();
	switch (c)
	{
	case 1:
	{
		//验证系统
		indentifying_Code();
		char teachName[20] = { 0 };
		printf("请输入您要查询的名称或姓氏：\n");
		scanf("%s", teachName);
		getchar();
		//遍历链表
		Node* p = g_pHead;
		while (p != NULL)
		{
			if (strcmp(p->teach.T_name, teachName) == 0)//                      如果输入的名称存在则显示该教师信息
			{
				printf("姓名：%s\t性别：%s\t年龄：%d\t积分：%d\t住址：%s\n",
					p->teach.T_name,
					p->teach.T_sex,
					p->teach.T_age,
					p->teach.T_score,
					p->teach.T_addr);
			}
			else if (p == NULL)//strcmp(p->teach.T_name, teachName) != 0
			{
				printf("查无此人！\n");
			}
			p = p->pNext;//移动指针
		}
		system("pause");
		system("cls");
		return NULL;
		break;
	}
	case 2:system("pause");
		system("cls");
		break;
	}
}

6.菜单界面.h

//菜单界面
void showmenu()
{
	printf("\t\t*******************************************\n");
	printf("\t\t*****    欢迎使用教师信息管理系统   *******\n");
	printf("\t\t*******************************************\n");
	printf("\t\t***        教师信息管理系统       *********\n");
	printf("\t\t*******************************************\n");
	printf("\t\t***      1.教师信息添加           *********\n");
	printf("\t\t***      2.教师信息显示           *********\n");
	printf("\t\t***      3.教师信息保存           *********\n");
	printf("\t\t***      4.教师信息读取           *********\n");
	printf("\t\t***      5.教师信息查询           *********\n");
	printf("\t\t***      6.教师信息修改           *********\n");
	printf("\t\t***      7.教师信息删除           *********\n");
	printf("\t\t***      8.教师信息排序           *********\n");
	printf("\t\t***      9.教师信息积分计算       *********\n");
	printf("\t\t***      0.退出程序               *********\n");
	printf("\t\t*******************************************\n");
	printf("请按任意键进行操作：\n");
}

7.教师积分计算.h

void AddScoreTeacher()
{
	char ADDname[20] = { 0 };
	int ADDscore = 0;
	printf("请输入将要增加积分的教师名称：\n");
	scanf("%s", ADDname);
	getchar();
	printf("请输入将要添加的积分：\n");
	scanf("%d", &ADDscore);
	getchar();
	//遍历链表
	Node* p = g_pHead;

	while (p != NULL)
	{
		if (strcmp(p->teach.T_name, ADDname) == 0)                     //如果输入的人名存在则把第二次的分数加到第一次的分数上（进行累加）
		{
			p->teach.T_score = p->teach.T_score + ADDscore;
		}
		else if (p == NULL)
		{
			printf("没有查询到此人！\n");
		}
		p = p->pNext;
	}
	system("pause");
	system("cls");
}

8.教师信息读取.h

void ReadTeacher()
{
	int c = 0;
	system("cls");
	printf("\t\t*************************************************\n");
	printf("\t\t********    欢迎来到教师信息读取系统   **********\n");
	printf("\t\t*************************************************\n");
	printf("\t\t********    1.确定读取教师信息         **********\n");
	printf("\t\t********    2.放弃读取教师信息         **********\n");
	printf("\t\t*************************************************\n");
	printf("请输入您的选项：\n");
	scanf("%d", &c);
	getchar();
	switch (c)
	{
	case 1:
	{
		//打开文件
		FILE* fp = fopen("txt文本路径", "a+");//a+追加/读取打开文本文件 文件不存在时 建立新文件 存在时在原有文件后追加
		if (fp == NULL)
		{
			printf("文件打开失败！\n");
			exit(0);
		}
		//读文件
		Teacher Teach;
		Node* p = g_pHead;

		while (fread(&Teach, sizeof(Teacher), 1, fp))
		{
			//创建一个新的节点
			Node* pNewNode = (Node*)malloc(sizeof(Node));
			pNewNode->pNext = NULL;

			memcpy(pNewNode, &Teach, sizeof(Teacher));

			//头插法
			if (g_pHead == NULL)
			{
				g_pHead = pNewNode;
			}
			else
			{
				pNewNode->pNext = g_pHead;
				g_pHead = pNewNode;
			}
		}
		//关闭文件
		fclose(fp);
		printf("信息读取成功！\n");
		system("pause");
		system("cls");
		break;
	}
	case 2:system("pause");
		system("cls");
		break;
	}
}

9.教师信息保存.h

void SaveTeacher()
{
	int c = 0;
	system("cls");
	printf("\t\t*************************************************\n");
	printf("\t\t********    欢迎来到教师信息保存系统   **********\n");
	printf("\t\t*************************************************\n");
	printf("\t\t********    1.确定保存教师信息         **********\n");
	printf("\t\t********    2.放弃保存教师信息         **********\n");
	printf("\t\t*************************************************\n");
	printf("请输入您的选项：\n");
	scanf("%d", &c);
	getchar();
	switch (c)
	{
	case 1:
	{
		//打开文件
		FILE* fp = fopen("txt文本路径", "wb");//r只读，如果文件不存在，文件打开失败
		if (fp == NULL)
		{
			printf("文件打开失败！\n");
			exit(0);
		}
		//遍历链表
		Node* p = g_pHead;
		while (p != NULL)
		{
			fwrite(&p->teach, sizeof(Teacher), 1, fp);
			p = p->pNext;
		}
		//关闭文件
		fclose(fp);
		printf("\n数据保存成功！\n");
		system("pause");
		system("cls");
		break;
	}
	case 2:system("pause");
		system("cls");
		break;
	}
}