房屋租售管理系统

#include<stdio.h>
#include<string.h>
#include<stdlib.h>

#define MAX_SIZE 100
int Money[MAX_SIZE]={0};
int Money_Num=0;

typedef struct _Stuff
{
	int no;//工号
	char name[20];//姓名
	char sex[5];//性别
	char tel[20];//联系方式
}Stuff,*PStuff;

//员工管理包括 添加  删除  查看


typedef struct _Customer
{
	char name[20];//姓名
	char sex[5];//性别
	char tel[20];//联系方式
	int age;//年龄
	int Sale_Or_Buy_Or_Hire;//售还是买
}Cust,*PCust;


typedef struct _House
{
	int no;//房子编号
	int price;//价格
	char add[30];//位置
	int Sale_Or_Hire;//售卖或出租
}House,*PHouse;


void Save_Money_Info(int* mon,int n)
{
	int i;
	FILE* pFile = fopen("Mon_Info.dat","w");
	if(pFile==NULL)
	{
		return;
	}
	for(i=0;i<n;i++)
	{
		fwrite(&mon[i],1,sizeof(int),pFile);
	}
	fclose(pFile);
}

int Read_Money_Info(int* mon)
{
	int i=0;
	FILE* pFile = fopen("Mon_Info.dat","r");
	if(pFile==NULL)
	{
		return 0;
	}
	while(fread(&mon[i++],1,sizeof(int),pFile));
	fclose(pFile);
	if(i>=1)
	{
		return i-1;
	}
	return 0;
}



void Code_File_Read()
{
	char code[20];
	char temp[20];
	FILE* pFile=fopen("code.dat","r");
	system("cls");
	if(pFile==NULL)
	{
		printf("检测到第一次使用系统，请设置管理员密码:");
		scanf("%s",code);
		pFile=fopen("code.dat","w");
		fwrite(code,sizeof(char),20,pFile);
		printf("设置成功!\n");
		fclose(pFile);
		system("pause");
		return ;
	}
	fread(code,sizeof(char),20,pFile);
	printf("请输入原密码:");
	scanf("%s",temp);
	if(strcmp(temp,code))
	{
		printf("请输入新密码:");
		scanf("%s",code);
		fwrite(code,sizeof(char),20,pFile);
		printf("设置成功!\n");
		fclose(pFile);
		system("pause");
		return ;
	}
	printf("密码错误!\n");
	fclose(pFile);
	system("pause");
}

int Login()
{
	char code[20];
	char temp[20];
	FILE* pFile=fopen("code.dat","r");
	system("cls");
	if(pFile==NULL)
	{
		printf("请先设置管理员密码!\n");
		system("pause");
		return 0;
	}

	fread(code,sizeof(char),20,pFile);
	printf("请输入密码:");
	scanf("%s",temp);
	if(strcmp(temp,code))
	{
		printf("密码错误!\n");
		fclose(pFile);
		system("pause");
		return 0;
	}
	fclose(pFile);
	return 1;
}


void Login_Menu()
{
	int chioce;
	do
	{
		system("cls");
		printf("1:登录系统\n");
		printf("2:修改系统密码\n");
		printf("0:退出\n");
		printf("请输入选择:");
		scanf("%d",&chioce);
		while(chioce<0||chioce>2)
		{
			printf("请重新选择:");
			scanf("%d",&chioce);
		}
		switch(chioce)
		{
		case 0:
			exit(0);
			break;
		case 1:
			if(Login())
				return ;
			break;
		case 2:
			Code_File_Read();
			break;
		}
	}while(chioce!=0);
}


int Main_Menu()
{
	int chioce;
	system("cls");
	printf("1:客户管理\n");
	printf("2:房源管理\n");
	printf("3:员工管理\n");
	printf("4:统计分析\n");
	printf("0:退出\n");
	printf("请输入选择:");
	scanf("%d",&chioce);
	while(chioce<0||chioce>4)
	{
		printf("请重新选择:");
		scanf("%d",&chioce);
	}
	return chioce;
}

int Add_Stuff(PStuff stu,int n)
{
	system("cls");
	printf("请输入员工工号:");
	scanf("%d",&stu[n].no);
	printf("请输入员工姓名:");
	scanf("%s",stu[n].name);
	printf("请输入员工性别:");
	scanf("%s",stu[n].sex);
	printf("请输入员工联系方式:");
	scanf("%s",stu[n].tel);
	printf("添加成功!\n");
	system("pause");
	return n+1;
}

int Delete_Stuff(PStuff stu,int n)
{
	int temp,i,j;
	system("cls");
	printf("请输入员工工号:");
	scanf("%d",&temp);
	
	for(i=0;i<n;i++)
	{
		if(temp==stu[i].no)
		{
			break;
		}
	}
	if(i==n)
	{
		printf("无该工号，删除失败!\n");
		system("pause");
		return n;
	}
	for(j=i;j<n;j++)
	{
		stu[j]=stu[j+1];
	}
	printf("删除成功!\n");
	system("pause");
	return n-1;
}

void Print_Stuff(PStuff stu,int n)
{
	int i;
	system("cls");
	printf("%10s%10s%10%20\n","工号","姓名","性别","联系方式");
	
	for(i=0;i<n;i++)
	{
		printf("%10d",stu[i].no);
		printf("%10s",stu[i].name);
		printf("%10s",stu[i].sex);
		printf("%20s\n",stu[i].tel);
	}
	system("pause");
}

void Save_Stuff_Info(PStuff stu,int n)
{
	int i;
	FILE* pFile = fopen("Stuff_Info.dat","w");
	if(pFile==NULL)
	{
		return;
	}
	for(i=0;i<n;i++)
	{
		fwrite(&stu[i],1,sizeof(Stuff),pFile);
	}
	fclose(pFile);
}

int Read_Stuff_Info(PStuff stu)
{
	int i=0;
	FILE* pFile = fopen("Stuff_Info.dat","r");
	if(pFile==NULL)
	{
		return 0;
	}
	while(fread(&stu[i++],1,sizeof(Stuff),pFile));
	fclose(pFile);
	if(i>=1)
	{
		return i-1;
	}
	return 0;
}

int Stuff_Menu(PStuff stu,int n)
{
	int chioce;
	do
	{
		system("cls");
		printf("1:添加员工\n");
		printf("2:删除员工\n");
		printf("3:显示员工\n");
		printf("0:返回\n");
		printf("请输入选择:");
		scanf("%d",&chioce);
		while(chioce<0||chioce>3)
		{
			printf("请重新选择:");
			scanf("%d",&chioce);
		}
		switch(chioce)
		{
		case 1:
			n=Add_Stuff(stu,n);
			Save_Stuff_Info(stu,n);
			break;
		case 2:
			n=Delete_Stuff(stu,n);
			Save_Stuff_Info(stu,n);
			break;
		case 3:
			Print_Stuff(stu,n);
			break;
		}
	}while(chioce!=0);
	return n;
}


void Save_Cust_Info(PCust cust,int n)
{
	int i;
	FILE* pFile = fopen("Cust_Info.dat","w");
	if(pFile==NULL)
	{
		return;
	}
	for(i=0;i<n;i++)
	{
		fwrite(&cust[i],1,sizeof(Cust),pFile);
	}
	fclose(pFile);
}

int Read_Cust_Info(PCust cust)
{
	int i=0;
	FILE* pFile = fopen("Cust_Info.dat","r");
	if(pFile==NULL)
	{
		return 0;
	}
	while(fread(&cust[i++],1,sizeof(Cust),pFile));
	fclose(pFile);
	if(i>=1)
	{
		return i-1;
	}
	return 0;
}

int Add_Cust(PCust cust,int n)
{
	system("cls");
	printf("请输入客户姓名:");
	scanf("%s",&cust[n].name);

	printf("请输入客户年龄:");
	scanf("%d",&cust[n].age);

	printf("请输入客户性别:");
	scanf("%s",&cust[n].sex);

	printf("请输入客户联系方式:");
	scanf("%s",&cust[n].tel);

	printf("请输入客户性质:\n");
	printf("1:售卖\t2:购买\t3:租借\n");
	scanf("%d",&cust[n].Sale_Or_Buy_Or_Hire);

	printf("添加成功!\n");
	system("pause");
	return n+1;
}

int Delete_Cust(PCust cust,int n)
{
	int i,j;
	char temp[20];
	system("cls");
	printf("请输入客户姓名:");
	scanf("%s",temp);
	
	for(i=0;i<n;i++)
	{
		if(!strcmp(temp,cust[i].name))
		{
			break;
		}
	}
	if(i==n)
	{
		printf("无该客户，删除失败!\n");
		system("pause");
		return n;
	}
	for(j=i;j<n;j++)
	{
		cust[j]=cust[j+1];
	}
	printf("删除成功!\n");
	system("pause");
	return n-1;
}

void Print_Cust(PCust cust,int n)
{
	int i;
	system("cls");
	printf("%10s%10s%10s%20s%10s\n","姓名","性别","年龄","联系方式","性质");
	
	for(i=0;i<n;i++)
	{
		printf("%10s",cust[i].name);
		printf("%10s",cust[i].sex);
		printf("%10d",cust[i].age);
		printf("%20s",cust[i].tel);
		switch(cust[i].Sale_Or_Buy_Or_Hire)
		{
		case 1:
			printf("%10s\n","售卖");
			break;
		case 2:
			printf("%10s\n","购买");
			break;
		case 3:
			printf("%10s\n","租借");
			break;
		}
	}
	system("pause");
}

int Cust_Menu(PCust cust,int n)
{
	int chioce;
	do
	{
		system("cls");
		printf("1:添加客户\n");
		printf("2:删除客户\n");
		printf("3:显示客户\n");
		printf("0:返回\n");
		printf("请输入选择:");
		scanf("%d",&chioce);
		while(chioce<0||chioce>3)
		{
			printf("请重新选择:");
			scanf("%d",&chioce);
		}
		switch(chioce)
		{
		case 1:
			n=Add_Cust(cust,n);
			Save_Cust_Info(cust,n);
			break;
		case 2:
			n=Delete_Cust(cust,n);
			Save_Cust_Info(cust,n);
			break;
		case 3:
			Print_Cust(cust,n);
			break;
		}
	}while(chioce!=0);
	return n;
}

void Save_House_Info(PHouse house,int n)
{
	int i;
	FILE* pFile = fopen("House_Info.dat","w");
	if(pFile==NULL)
	{
		return;
	}
	for(i=0;i<n;i++)
	{
		fwrite(&house[i],1,sizeof(House),pFile);
	}
	fclose(pFile);
}

int Read_House_Info(PHouse house)
{
	int i=0;
	FILE* pFile = fopen("House_Info.dat","r");
	if(pFile==NULL)
	{
		return 0;
	}
	while(fread(&house[i++],1,sizeof(House),pFile));
	fclose(pFile);
	if(i>=1)
	{
		return i-1;
	}
	return 0;
}

int Add_House(PHouse house,int n)
{
	system("cls");
	printf("请输入房源编号:");
	scanf("%d",&house[n].no);

	printf("请输入房源性质:\n");
	printf("1:售卖\t2:租借\n");
	scanf("%d",&house[n].Sale_Or_Hire);


	printf("请输入房源位置:");
	scanf("%s",&house[n].add);

	printf("请输入房源价格:");
	scanf("%d",&house[n].price);

	printf("添加成功!\n");
	system("pause");
	return n+1;
}

int Delete_House(PHouse house,int n)
{
	int i,j,temp;
	system("cls");
	printf("请输入房源编号:");
	scanf("%d",&temp);
	
	for(i=0;i<n;i++)
	{
		if(temp==house[i].no)
		{
			break;
		}
	}
	if(i==n)
	{
		printf("无该房源，删除失败!\n");
		system("pause");
		return n;
	}
	for(j=i;j<n;j++)
	{
		house[j]=house[j+1];
	}
	printf("删除成功!\n");
	system("pause");
	return n-1;
}

void Print_House(PHouse house,int n)
{
	int i;
	system("cls");
	printf("%10s%10s%10s%30s\n","编号","性质","价格","位置");
	
	for(i=0;i<n;i++)
	{
		printf("%10d",house[i].no);

		switch(house[i].Sale_Or_Hire)
		{
		case 1:
			printf("%10s","售卖");
			break;
		case 2:
			printf("%10s","租借");
			break;
		}

		printf("%10d",house[i].price);
		printf("%30s\n",house[i].add);
	}
	system("pause");
}

int Sale_House(PHouse house,int n)
{
	int temp,i,j;
	system("cls");
	printf("请输入要交易的房屋编号:");
	scanf("%d",&temp);
	for(i=0;i<n;i++)
	{
		if(temp==house[i].no)
		{
			break;
		}
	}
	if(i==n)
	{
		printf("无该房源信息!\n");
		system("pasue");
		return n;
	}
	Money[Money_Num] += house[i].price * 0.02;
	for(j=i;j<n;j++)
	{
		house[j]=house[j+1];
	}
	printf("交易成功!\n");
	printf("本次交易收取手续费:%d\n",Money[Money_Num]);
	Money_Num++;
	system("pause");
	return n-1;

}

int House_Menu(PHouse house,int n)
{
	int chioce;
	do
	{
		system("cls");
		printf("1:添加房源\n");
		printf("2:删除房源\n");
		printf("3:显示房源\n");
		printf("4:进行售卖交易\n");
		printf("0:返回\n");
		printf("请输入选择:");
		scanf("%d",&chioce);
		while(chioce<0||chioce>4)
		{
			printf("请重新选择:");
			scanf("%d",&chioce);
		}
		switch(chioce)
		{
		case 1:
			n=Add_House(house,n);
			Save_House_Info(house,n);
			break;
		case 2:
			n=Delete_House(house,n);
			Save_House_Info(house,n);
			break;
		case 3:
			Print_House(house,n);
			break;
		case 4:
			n=Sale_House(house,n);
			Save_Money_Info(Money,Money_Num);
			break;
		}
	}while(chioce!=0);
	return n;
}

void Total_Cust(PCust cust,int n)
{
	int i;
	int arr[3]={0};
	system("cls");
	for(i=0;i<n;i++)
	{
		arr[cust[i].Sale_Or_Buy_Or_Hire-1]++;
	}
	printf("%10s%10s%10s\n","售房人数","购房人数","租借人数");
	printf("%10d%10d%10d\n",arr[0],arr[1],arr[2]);
	system("pause");
}

void Print_Sale_Cust(PCust cust,int n)
{
	int i;
	system("cls");
	printf("%10s%10s%10s%20s%10s\n","姓名","性别","年龄","联系方式","性质");
	for(i=0;i<n;i++)
	{
		if(cust[i].Sale_Or_Buy_Or_Hire==1)
		{
			printf("%10s",cust[i].name);
			printf("%10s",cust[i].sex);
			printf("%10d",cust[i].age);
			printf("%20s",cust[i].tel);
			printf("%10s\n","售卖");
		}
	}
	system("pause");	
}

void Print_Buy_Cust(PCust cust,int n)
{
	int i;
	system("cls");
	printf("%10s%10s%10s%20s%10s\n","姓名","性别","年龄","联系方式","性质");
	for(i=0;i<n;i++)
	{
		if(cust[i].Sale_Or_Buy_Or_Hire==2)
		{
			printf("%10s",cust[i].name);
			printf("%10s",cust[i].sex);
			printf("%10d",cust[i].age);
			printf("%20s",cust[i].tel);
			printf("%10s\n","购买");
		}
	}
	system("pause");	
}

void Print_Hire_Cust(PCust cust,int n)
{
	int i;
	system("cls");
	printf("%10s%10s%10s%20s%10s\n","姓名","性别","年龄","联系方式","性质");
	for(i=0;i<n;i++)
	{
		if(cust[i].Sale_Or_Buy_Or_Hire==3)
		{
			printf("%10s",cust[i].name);
			printf("%10s",cust[i].sex);
			printf("%10d",cust[i].age);
			printf("%20s",cust[i].tel);
			printf("%10s\n","租借");
		}
	}
	system("pause");	
}

void Print_Sale_House(PHouse house,int n)
{
	int i;
	system("cls");
	printf("%10s%10s%10s%30s\n","编号","性质","价格","位置");
	for(i=0;i<n;i++)
	{
		if(house[i].Sale_Or_Hire==1)
		{
			printf("%10d",house[i].no);
			printf("%10s","售卖");
			printf("%10d",house[i].price);
			printf("%30s\n",house[i].add);
		}
	}
	system("pause");	
}

void Print_Hire_House(PHouse house,int n)
{
	int i;
	system("cls");
	printf("%10s%10s%10s%30s\n","编号","性质","价格","位置");
	for(i=0;i<n;i++)
	{
		if(house[i].Sale_Or_Hire==2)
		{
			printf("%10d",house[i].no);
			printf("%10s","租借");
			printf("%10d",house[i].price);
			printf("%30s\n",house[i].add);
		}
	}
	system("pause");	
}

void Total_House(PHouse house,int n)
{
	int i;
	int arr[2]={0};
	system("cls");
	for(i=0;i<n;i++)
	{
		arr[house[i].Sale_Or_Hire-1]++;
	}
	printf("%10s%10s\n","出售房数","出租方数");
	printf("%10d%10d\n",arr[0],arr[1],arr[2]);
	system("pause");
}

void Total_Money(int mon[],int n)
{
	int i,sum=0;
	system("cls");
	for(i=0;i<n;i++)
	{
		printf("出售房源，收入佣金%d\n",mon[i]);
		sum+=mon[i];
	}
	printf("总计佣金:%d\n",sum);
	system("pause");
}

void Total_Menu(PCust cust,int cn,PHouse house ,int hn,PStuff stu,int sn)
{
	int chioce;
	do
	{
		system("cls");
		printf("1:统计客户需求\n");
		printf("2:查看售房客户\n");
		printf("3:查看购房客户\n");
		printf("4:查看租房客户\n");
		printf("5:统计房源信息\n");
		printf("6:查看出售房源\n");
		printf("7:查看出租房源\n");
		printf("8:统计佣金收入\n");
		printf("0:返回\n");
		printf("请输入选择:");
		scanf("%d",&chioce);
		while(chioce<0||chioce>8)
		{
			printf("请重新选择:");
			scanf("%d",&chioce);
		}
		switch(chioce)
		{
		case 1:
			Total_Cust(cust,cn);
			break;
		case 2:
			Print_Sale_Cust(cust,cn);
			break;
		case 3:
			Print_Buy_Cust(cust,cn);
			break;
		case 4:
			Print_Hire_Cust(cust,cn);
			break;
		case 5:
			Total_House(house,hn);
			break;
		case 6:
			Print_Sale_House(house,hn);
			break;
		case 7:
			Print_Hire_House(house,hn);
			break;
		case 8:
			Total_Money(Money,Money_Num);
			break;
		}
	}while(chioce!=0);
}

int main()
{
	int chioce;
	Stuff stu[MAX_SIZE];
	Cust cust[MAX_SIZE];
	House house[MAX_SIZE];
	int Stuff_NUM=0;
	int Cust_NUM=0;
	int House_NUM=0;
	Login_Menu();
	Stuff_NUM=Read_Stuff_Info(stu);
	Cust_NUM=Read_Cust_Info(cust);
	Money_Num=Read_Money_Info(Money);
	do
	{
		chioce=Main_Menu();
		switch(chioce)
		{
		case 1:
			Cust_NUM=Cust_Menu(cust,Cust_NUM);
			break;
		case 2:
			House_NUM=House_Menu(house,House_NUM);
			break;
		case 3:
			Stuff_NUM=Stuff_Menu(stu,Stuff_NUM);
			break;
		case 4:
			Total_Menu(cust,Cust_NUM,house,House_NUM,stu,Stuff_NUM);
			break;
		}
	}while(chioce!=0);
	return 0;
}