用C++做的房地产管理系统
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#include
#include
#include
#include
const int Maxc=100;
const int Maxh=100;
const int Maxbuy=5;
int n;
class Customer{
int payway;
int payout;
int tag;
int no;
char name[10];
int buhouse[Maxbuy];
public:
Customer(){}
char *getname( ) {return name;}
int gettag() {return tag;}
int getno() {return no;}
int getway(int payway){
return payway;
}
int getout(int payout){
return payout;
}
void setname(char na[])
{
strcpy(name,na);
}
void delhouse() {tag=1;}
void addcustomer(int n,char *na)
{
tag=0;
no=n;
strcpy(name,na);
for (int i=0;i buhouse[i]=0; } void buyhouse(int houseid) { for (int i=0;i { if (buhouse[i]==0) { buhouse[i]=houseid; return; } } } int checkoffhouse(int houseid) { for (int i=0;i { if (buhouse[i]==houseid) { buhouse[i]=0; return 1; } } return 0; } void disp() { cout< <<"房子编号: ["; for (int i=0;i if (buhouse[i]!=0) cout< cout<<"]"< } }; class CDatabase { int top; Customer customer[Maxc]; public: CDatabase() { Customer s; top=-1; fstream file("customer.txt",ios::in); while(1) { file.read((char *)&s,sizeof(s)); if (!file) break; top++; customer[top]=s; } file.close(); } void clear() { top=-1; } int addcustomer(int n,char *na) { Customer *p=query(n); if (p==NULL) { top++; customer[top].addcustomer(n,na); return 1; } return 0; } Customer *query(int customerid) { for (int i=0;i<=top;i++) if (customer[i].getno()==customerid && customer[i].gettag()==0) return &customer[i]; return NULL; } void disp() { for(int i=0;i<=top;i++) customer[i].disp(); } void customerdata(); ~CDatabase() { fstream file("customer.txt",ios::out); for (int i=0;i<=top;i++) if(customer[i].gettag()==0) file.write((char *)&customer[i] ,sizeof(customer[i])); file.close(); } }; void CDatabase::customerdata()