疫情防控管理系统 C语言版

本程序是大一C语言的练习，使用了链表，文件读写等。现在分享出来，有需要的同学可以看看。觉得还不错的话，点赞支持一下吧!

执行效果图：

 

 

文件目录：

 

---

 源代码：

#include
#include
#include
#include
typedef struct people
{
	int num;//用户编号
	char ID[20] = "\0";//身份证；
	char name[10]= "\0" ;//姓名
	int sex;//性别，0-男，1-女
	int age;//年龄
	char phone[12]= "\0" ;//手机号
	int condition;//风险，0-低风险，1-中风险 ，2-高风险
	float temp;//温度
	struct people* next;
}*People, peo;

typedef struct Ad
{
	int Id;
	char Key[20];
	struct Ad* next;
}Admi;
Admi* tail = NULL;//保存账号信息的尾节点

int welcome(Admi** Admihead);//欢迎页面
void menu();//菜单
void help();//帮助信息
void printSingle(People p);//打印单个人员信息
People seacher(People head, char* id);//按照身份证查找，存在返回相应地址
People addPeople(People head);//增加人员信息
void change(People cur);//修改
People delByNum(People head,int num);//删除
void showAll(People head);//显示当前人员信息
int save(People head);//保存当前人员信息
People readInfo(People head);//读取文件信息


void get_account(int* account);//自动生成账号
void CreateAd(Admi** head);//创建账号
int Login(Admi* head);//登录
void saveAd(Admi* head);//退出程序保存信息
Admi* getAd();//读取账号信息

//   定义一些全局变量
int num = 0; //编号
int size = 0; //统计人数
const char filename[30] = { "疫情防控登记单.csv" };
int USER_CT = 1000;//账号编辑
//-----------------------------主函数----------------------
int main()
{
	People head = NULL;//人员信息
	Admi* Admihead = NULL;//账号
	int choice,t;
	Admihead = getAd();//读取账号信息

	while (1)//登陆界面
	{
		if (welcome(&Admihead)==1)break;
		system("pause");
		system("cls");
	}

	system("pause");
	system("cls");
	while (1)//功能区
	{
		People tmp=NULL;
		char id[20] = {"\0"};
		menu();
		printf("请输入功能序号：\n");
		scanf("%d", &choice);
		switch (choice)
		{
		case 0: help();
			; break;//帮助信息
		case 1:
			head = readInfo(head);
			; break; //刷新人员信息   
		case 2:
			printf("请输入身份证号：\n");
			scanf("%s", id);
			tmp = seacher(head, id);
			if (tmp) printSingle(tmp);
			else printf("该人员信息不存在！\n");
				break;//查询人员信息
		case 3:
			printf("请输入要更改人员的身份证号：\n");
			scanf("%s", id);
			tmp = seacher(head, id);
			if (tmp) change(tmp);
			else printf("该人员信息不存在！\n");
			; break;//修改人员信息
		case 4:
			head=addPeople(head);
			; break;//增加人员信息
		case 5:
			printf("请输入要删除的编号：\n");
			scanf("%d", &t);
			head=delByNum(head, t);
			; break;//按编号删除信息  
		case 6:
			showAll(head);
			; break;//显示当前信息
		case 7:
			save(head);
			; break;//保存当前人员信息
		case 8:
			saveAd(Admihead);
			printf("成功退出！欢迎下次使用！\n");
			return 0;; break; //退出系统

		default:printf("请输入正确的序号（0~8）！\n");
		}
		system("pause");
		system("cls");
	}
	return 0;
}

//-----------------------------函数区---------------------

void menu()
{
	printf(" **********************************************************\n\n");
	printf(" *                    疫情防控管理系统                    *\n");
	printf(" **********************************************************\n\n");
	printf("*************************系统功能菜单***********************\n");
	printf("    -------------------------     ------------------------\n");
	printf("    *****************************************************\n");
	printf("    * 0.系统帮助及说明      * * 1.刷新人员信息          *\n");
	printf("    *****************************************************\n");
	printf("    * 2.查询人员信息        * * 3.修改人员信息          *\n");
	printf("    *****************************************************\n");
	printf("    * 4.增加人员信息        * * 5.按编号删除信息        *\n");
	printf("    *****************************************************\n");
	printf("    * 6.显示当前信息        * * 7.保存当前人员信息      *\n");
	printf("    *****************************************************\n");
	printf("    * 8.退出系统            *\n");
	printf("    **************************\n");
	printf("    -------------------------    ------------------------\n");
}
void help()
{
	printf("-------------------帮助信息-------------------\n\n");
	printf("1.输入序号1~8、并回车，选择相应功能。\n");
	printf("2.身份证默认18位。\n");
	printf("3.性别，年龄信息从身份证中自动获取。\n");
	printf("4.退出程序之前要保存当前信息。\n");
	printf("5.由于格式问题，在文件中直接更改的话可能导致部分数据乱码。\n");
}

People seacher(People head, char* id)
{
	while (head)
	{
		
		if (head&&strcmp(head->ID, id) == 0)
		{
			return head;
		}
		head = head->next;
	}
	return NULL;//不存在
}

People addPeople(People head)
{
	peo tmp;
	printf("请输入姓名：\n");
	scanf("%s", tmp.name);
	printf("请输入身份证号：\n");
	scanf("%s", tmp.ID);
	if (strlen(tmp.ID) != 18)
	{
		printf("身份证不符合规范（18位），请重新输入！\n");
		return head;
	}
	printf("请输入手机号：\n");
	scanf("%s", tmp.phone);
	printf("请输入风险等级：\n");
	printf("0-低风险，1-中风险 ，2-高风险\n");
	scanf("%d",&tmp.condition);
	printf("请输入温度：\n");
	scanf("%f", &tmp.temp);
	if (tmp.ID[16] % 2)tmp.sex = 0;
	else tmp.sex = 1;

	char year[5] = { "\0" };
	strncat(year, tmp.ID + 6, 4);
	time_t timep;
	struct tm* ti;
	time(&timep);
	ti = gmtime(&timep);
	int age =1900+ti->tm_year- atoi(year);
	tmp.age = age;
	tmp.num = num;

	if (seacher(head, tmp.ID))
	{
		printf("录入失败！该人员信息已经存在。\n");
		return head;
	}
	People p = (People)malloc(sizeof(peo));
	size++;
	num++;
	*p = tmp;//赋值
	p->next = NULL;//

	//采用按照编号插入
	People cur = head,pre=NULL;
	if (NULL == head)//插在头部
	{
		head = p;
		return head;
	}
	while (cur)
	{
		if (cur->num > p->num)//满足插入条件
		{
			if (NULL == pre)//插在头部
			{
				p->next = cur;
				head = p;
			}
			else
			{
				pre->next = p;
				p->next = cur;
			}
			return head;//返回
		}
		else//迭代
		{
			pre = cur;
			cur = cur->next;
		}
	}

	//插在末尾
	pre->next = p;
	return head;
}

void printSingle(People p)
{
	char sex[2][4] = { "男","女"};
	char con[3][10] = { "低风险","中风险","高风险" };
	printf("编号     姓名    性别   年龄   身份证号                手机号码          体温    风险等级 \n");
	printf("%-8d%-10s%-7s%-6d%-23s%-20s%-8.1f%-8s\n",p->num,p->name,sex[p->sex],p->age,p->ID,p->phone,p->temp,con[p->condition]);
}

void change(People cur)
{
	printSingle(cur);
	printf("------------- 请输入更改后的信息 -------------\n");
	printf("请输入姓名：\n");
	scanf("%s", cur->name);
	printf("请输入身份证号：\n");
	scanf("%s", cur->ID);
	printf("请输入手机号：\n");
	scanf("%s", cur->phone);
	printf("请输入风险等级：\n");
	printf("0-低风险，1-中风险 ，2-高风险\n");
	scanf("%d", &cur->condition);
	printf("请输入温度：\n");
	scanf("%f", &cur->temp);
	if (cur->ID[16] % 2)cur->sex = 0;
	else cur->sex = 1;

	char year[5] = { "\0" };
	strncat(year, cur->ID + 6, 4);
	time_t timep;
	struct tm* ti;
	time(&timep);
	ti = gmtime(&timep);
	cur->age = 1900 + ti->tm_year - atoi(year);
}

People delByNum(People head, int num)
{
	People tmp = head, pre = NULL;
	while (tmp)
	{
		if (tmp->num == num)
		{
			if (!pre)
			{
				head = tmp->next;
				free(tmp);
			}
			else
			{
				pre->next = tmp->next;
				free(tmp);
			}
			printf("删除成功！\n");
			return head;//返回
		}
		else
		{
			pre = tmp;
			tmp = tmp->next;
		}
	}
	printf("删除失败！不存在该编号人员信息！\n");
	return head;
}

void showAll(People head)
{
	People p = head;
	int low = 0,mid = 0,high = 0;
	char sex[2][4] = { "男","女" };
	char con[3][10] = { "低风险","中风险","高风险" };
	printf("编号     姓名    性别   年龄   身份证号                手机号码          体温    风险等级 \n");
	while (p)
	{
		printf("%-8d%-10s%-7s%-6d%-23s%-20s%-8.1f%-8s\n", p->num, p->name, sex[p->sex], p->age, p->ID, p->phone, p->temp, con[p->condition]);
		if (p->condition == 0)low++;
		else if (p->condition == 1)mid++;
		else high++;
		p = p->next;
	}

	printf("\n\n统计结果为：低风险%d人，中风险%d人，高风险%d人\n", low, mid, high);


}

int save(People head)
{
	FILE* fp=fopen(filename,"w");
	if (!fp)
	{
		printf("保存失败！\n");
		return 0;
	}
	People p = head;
	fprintf(fp, "编号,姓名,性别,年龄,身份证号,手机号码,体温,风险等级\n");
	while (p->next)
	{
		fprintf(fp, "%d,%s,%d,%d,%s,%s,%0.2f,%d\n", p->num, p->name, p->sex, p->age, p->ID, p->phone, p->temp, p->condition);
		p = p->next;
	}
	fprintf(fp, "%d,%s,%d,%d,%s,%s,%0.2f,%d", p->num, p->name, p->sex, p->age, p->ID, p->phone, p->temp, p->condition);
	fclose(fp);
	printf("保存成功！");
	return 1;
}

People readInfo(People head)
{
	FILE* fp = fopen(filename, "r");
	if (!fp)
	{
		printf("文件读取失败！\n");
		return head;
	}
	char buf[100] = { "\0" };
	char sin[30] = { "\0" };
	fscanf(fp,"%s" ,buf);//吸收掉标题
	
	while (!feof(fp))
	{
		int i = 0,flag=0;
		People p=(People)malloc(sizeof(peo));
		p->next = NULL;
		buf[0] = '\0';
		fscanf(fp, "%s", buf);//读取信息
		
		while (buf[i] && buf[i] != '\n')
		{
			int j = 0;
			while (buf[i]&&buf[i] != ','&&buf[i]!='\n')
			{
				sin[j] = buf[i];
				i++, j++;
			}
			sin[j] = '\0';//
			flag++,i++;//
			if (1 == flag)
			{
				p->num = atoi(sin);
				if (num <= p->num)num = p->num + 1;//更新num编号
			}
			else if (2 == flag)
			{
				strcpy(p->name, sin);
			}
			else if (3 == flag)
			{
				p->sex = atoi(sin);
			}
			else if (4 == flag)
			{
				p->age = atoi(sin);
			}
			else if (5 == flag)
			{
				strcpy(p->ID, sin);
			}
			else if (6 == flag)
			{
				strcpy(p->phone, sin);
			}
			else if (7 == flag)
			{
				p->temp=atof(sin);
			}
			else if (8 == flag)
			{
				p->condition = atoi(sin);
				sin[0] = '\0';
				break;
			}
			sin[0] = '\0';
		}
		flag = 0;

		//加入链表
		//采用按照编号插入
		if (p->condition != 0 && p->condition != 1 && p->condition != 2)
		{
			free(p);
			break;//最后不符合的
		}
		People cur = head, pre = NULL;
		if (NULL == head)//插在头部
		{
			head = p;
		}
		else//其他
		{
			while (cur)
			{
				if (cur->num == p->num)//已经存在
				{
					free(p);
					break;
				}
				else if (cur->num > p->num)//满足插入条件
				{
					if (NULL == pre)//插在头部
					{
						p->next = cur;
						head = p;
					}
					else
					{
						pre->next = p;
						p->next = cur;
					}
					break;//返回
				}
				else//迭代
				{
					pre = cur;
					cur = cur->next;
				}
			}
			if (!cur)pre->next = p;//插在末尾
		}

	} 

	//关闭文件
	fclose(fp);
	printf("刷新成功！\n");
	return head;
}

int welcome(Admi** head)
{
	printf("\n\n");
	printf("                  欢 迎 使 用 疫 情 防 控 管 理 系 统 ! \n\n");
	printf("                          祝 您 使 用 愉 快 ！\n\n\n");
	printf("                          1.创 建 管 理 员 账 号\n\n");
	printf("                          2.登 录 账 号\n\n");
	printf("                          其他.退 出 程 序\n\n");
	int c;
	scanf("%d", &c);
	if (1 == c)
	{
		CreateAd(head);
		return 0;
	}
	else if(2==c)
	{
		if (Login(*head))return 1;
		else return 0;
	}
	else if (3 == c)
	{
		printf("欢迎下次使用！\n");
		exit(0);
	}

}


//-----------------------------------------------------------------------------------------------


void get_account(int* account)//自动生成账号
{
	*account = ++USER_CT;
}

void CreateAd(Admi** head)//创建账号
{
	int account;
	char key[12], tmp[12];
	get_account(&account);
	printf("您的账号为：%d", account);
	printf("请输入您的密码(不超过十位)：\n");
	scanf("%s", key);
	system("cls");
	printf("请再次输入您的密码，以确认无误。\n");
	scanf("%s", tmp);
	while (strcmp(tmp, key) != 0)
	{
		printf("抱歉！两次输入不一致，请检查后重新输入：\n");
		printf("请输入您的密码(不超过十位)：\n");
		scanf("%s", key);
		system("cls");
		printf("请再次输入您的密码，以确认无误。\n");
		scanf("%s", tmp);
	}
	printf("创建成功！\n");
	printf("请牢记您的账号：%d\n", account);
	printf("密码：%s\n", key);
	Admi* p = (Admi*)malloc(sizeof(Admi));
	p->next = NULL;
	p->Id = account;
	strcpy(p->Key, key);
	if (tail)
	{
		tail->next = p;
		tail = p;
	}
	else
	{
		*head = p;
		tail = p;
	}
	return;
}

int Login(Admi* head)
{
	int account;
	char key[12];
	int flag = 0;
	printf("请输入账号：\n");
	scanf("%d", &account);
	printf("请输入密码：\n");
	scanf("%s", key);
	while (head)
	{
		if (head->Id == account && strcmp(head->Key, key) == 0)
		{
			flag = 1;
			break;
		}
		head = head->next;
	}
	if (flag)
	{
		printf("登陆成功！\n");
		return 1;
	}
	else
	{
		printf("登陆失败！\n");
		return 0;
	}
	//system("pause");
}

void saveAd(Admi* head)//退出程序保存信息
{
	FILE* fp;
	fp = fopen("账号密码.txt", "w");
	if (fp == NULL)
	{
		printf("账号信息保存失败！\n");
		return;
	}
	fprintf(fp, "%d\n", USER_CT);
	while (head)
	{
		fprintf(fp, "%d %s\n", head->Id, head->Key);
		head = head->next;
	}
	fclose(fp);
	system("pause");
}

Admi* getAd()//读取账号信息
{
	FILE* fp;
	fp = fopen("账号密码.txt", "a+");
	if (fp == NULL)
	{
		printf("账号信息读取失败！\n");
		exit(1);
		return NULL;
	}
	Admi* tmp, * head = NULL;

	if (fscanf(fp, "%d\n", &(USER_CT)) == EOF)//
	{
		USER_CT = 1000;
		fclose(fp);
		return NULL;
	}

	while (!feof(fp))
	{
		tmp = (Admi*)malloc(sizeof(Admi));
		tmp->next = NULL;
		fscanf(fp, "%d %s\n", &(tmp->Id), tmp->Key);
		if (head == NULL)
		{
			head = tmp;
			tail = tmp;
		}
		else
		{
			tail->next = tmp;
			tail = tmp;
		}

	}
	fclose(fp);
	return head;
}