1.求一个小型学生理财系统的安卓安卓安全hdmi输出 杜比源码面向对象程序设计的源代码
2.投资理财项目源码
求一个小型学生理财系统的面向对象程序设计的源代码
#include <iostream.h>
#include <fstream.h>
#include <string.h>
#include <stdlib.h>
const unsigned int COUNT = 5;//账户数量为5
typedef struct Money{
int Date;
float money;
Money *next;
}Income,Expense;
typedef struct{
Income *income;//收入记录
Expense *expense;//支出记录
float incomeaccount;//收入统计
float expenseaccount;//支出统计
int incomelenght;
int expenselenght;
}Account;
class AccountInformation{
private:
Account L[COUNT];
public:
AccountInformation();
~AccountInformation();
int InitAccount();
void getExpense(int choice[]);
void getIncome(int choice[]);
void addExpense(int choice,Expense *elem);
void addIncome(int choice,Expense *elem);
void updateIncome(int choice,Expense elem);
void updateExpense(int choice,Expense elem);
void deleteIncome(int choice,int date);
void deleteExpense(int choice,int date);
void countAll();
void saveInfo();
};
AccountInformation::AccountInformation()
{
InitAccount();
}
AccountInformation::~AccountInformation()
{
}
int AccountInformation::InitAccount()
{
for(int i=0;i<COUNT;i++)
{
L[i].income=new Income;
L[i].expense=new Expense;
if(L[i].income==NULL||L[i].expense==NULL)
{
cout<<"分配内存失败."<<endl;
return 0;
}
L[i].incomelenght=0;
L[i].expenselenght=0;
L[i].incomeaccount=0;
L[i].expenseaccount=0;
}
Money *Q,*P;
char s[2];
//读取收入信息
ifstream fin1("income.txt");
if(fin1.fail())
{
cout<<"文件打开失败!"<<endl;
return 0;
}
for(i=0;i<COUNT;i++)
{
fin1>>s;
Q=L[i].income;
while(s[0]!='#')
{
if((int)s[1]==0)
Q->Date=(int)s[0]-;
else
Q->Date=((int)s[0]-)*+(int)s[1]-;
fin1>>Q->money;
Q->next=new Income;
L[i].incomelenght++;
L[i].incomeaccount+=Q->money;
P=Q;
Q=Q->next;
fin1>>s;
}
P->next=NULL;
}
fin1.close();
//读取支出信息
ifstream fin2("expense.txt");
if(fin2.fail())
{
cout<<"文件打开失败!"<<endl;
return 0;
}
for(i=0;i<COUNT;i++)
{
fin2>>s;
Q=L[i].expense;
while(s[0]!='#')
{
if((int)s[1]==0)
Q->Date=(int)s[0]-;
else
Q->Date=((int)s[0]-)*+(int)s[1]-;
fin2>>Q->money;
Q->next=new Income;
L[i].expenselenght++;
L[i].expenseaccount+=Q->money;
P=Q;
Q=Q->next;
fin2>>s;
}
P->next=NULL;
}
fin2.close();
return 1;
}
void AccountInformation::getExpense(int choice[])
{
Expense *Q;
float m=0.0;
for(int i=0;i<COUNT;i++)
if(choice[i]!=0)
{
Q=L[choice[i]-1].expense;
cout<<"账户"<<choice[i]<<"的支出信息为"<<endl;
cout<<"DATE\tMONEY"<<endl;
while(Q!=NULL)
{
cout<<Q->Date<<"\t"<<Q->money<<endl;
Q=Q->next;
}
cout<<"账户"<<choice[i]<<"的总支出信息为"<<L[choice[i]-1].expenseaccount<<endl<<endl;
m+=L[choice[i]-1].expenseaccount;
}
cout<<"总支出信息为"<<m<<endl;
}
void AccountInformation::getIncome(int choice[])
{
Income *Q;
float m=0.0;
for(int i=0;i<COUNT;i++)
if(choice[i]!=0)
{
Q=L[choice[i]-1].income;
cout<<"账户"<<choice[i]<<"的收入信息为"<<endl;
cout<<"DATE\tMONEY"<<endl;
while(Q!=NULL)
{
cout<<Q->Date<<"\t"<<Q->money<<endl;
Q=Q->next;
}
cout<<"账户"<<choice[i]<<"的总收入信息为"<<L[choice[i]-1].incomeaccount<<endl<<endl;
m+=L[choice[i]-1].incomeaccount;
}
cout<<"总收入信息为"<<m<<endl;
}
void AccountInformation::addExpense(int choice,Expense *elem)
{
Expense *Q,*P;
Q=L[choice-1].expense;
while(Q!=NULL)
{
if(Q->Date==elem->Date)
{
Q->money+=elem->money;
L[choice-1].expenseaccount+=elem->money;
return ;
}
if(Q->Date>elem->Date&&P->Date<elem->Date)
break;
P=Q;
Q=Q->next;
}
P->next=elem;
elem->next=Q;
L[choice-1].expenseaccount+=elem->money;
L[choice-1].expenselenght++;
}
void AccountInformation::addIncome(int choice,Expense *elem)
{
Expense *Q,*P;
Q=L[choice-1].income;
while(Q!=NULL)
{
if(Q->Date==elem->Date)
{
Q->money+=elem->money;
L[choice-1].incomeaccount+=elem->money;
return ;
}
if(Q->Date>elem->Date&&P->Date<elem->Date)
break;
P=Q;
Q=Q->next;
}
P->next=elem;
elem->next=Q;
L[choice-1].incomeaccount+=elem->money;
L[choice-1].incomelenght++;
}
void AccountInformation::updateExpense(int choice,Expense elem)
{
Expense *Q;
Q=L[choice-1].expense;
while(Q!=NULL)
{
if(Q->Date==elem.Date)
{
Q->money=elem.money;
L[choice-1].expenseaccount=elem.money-Q->money;
return ;
}
Q=Q->next;
}
}
void AccountInformation::updateIncome(int choice,Expense elem)
{
Expense *Q;
Q=L[choice-1].income;
while(Q!=NULL)
{
if(Q->Date==elem.Date)
{
Q->money=elem.money;
L[choice-1].incomeaccount=elem.money-Q->money;
return ;
}
Q=Q->next;
}
}
void AccountInformation::deleteExpense(int choice,int date)
{
Expense *Q,*P;
Q=L[choice-1].expense;
if(Q->Date==date)
{
L[choice-1].expense=NULL;
L[choice-1].expenseaccount=0.0;
L[choice-1].expenselenght=0;
}
while(Q!=NULL)
{
if(Q->Date==date)
{
P->next=Q->next;
L[choice-1].expenseaccount-=Q->money;
L[choice-1].expenselenght--;
return ;
}
P=Q;
Q=Q->next;
}
}
void AccountInformation::deleteIncome(int choice,int date)
{
Expense *Q,*P;
Q=L[choice-1].income;
if(Q->Date==date)
{
L[choice-1].income=NULL;
L[choice-1].incomeaccount=0.0;
L[choice-1].incomelenght=0;
}
while(Q!=NULL)
{
if(Q->Date==date)
{
P->next=Q->next;
L[choice-1].incomeaccount-=Q->money;
L[choice-1].incomelenght--;
return ;
}
P=Q;
Q=Q->next;
}
}
void AccountInformation::countAll()
{
Expense *Q;
float allincome=0.0;//总收入
float allexpense=0.0;//总支出
float a[COUNT],b[COUNT],c[COUNT],d[COUNT];
int date1,date2;
for(int i=0;i<COUNT;i++)
{
//收入信息
Q=L[i].income;
date1=Q->Date;
date2=Q->Date;
while (Q!=NULL)
{
if(Q->Date<date1)
date1=Q->Date;
if(Q->Date>date2)
date2=Q->Date;
Q=Q->next;
}
a[i]=L[i].incomeaccount/(date2-date1);//单位时间收入
c[i]=L[i].incomeaccount;//账户总收入
allincome+=L[i].incomeaccount;//总收入
//支出信息
Q=L[i].expense;
date1=Q->Date;
date2=Q->Date;
while (Q!=NULL)
{
if(Q->Date<date1)
date1=Q->Date;
if(Q->Date>date2)
date2=Q->Date;
Q=Q->next;
}
b[i]=L[i].expenseaccount/(date2-date1);//单位时间支出
d[i]=L[i].expenseaccount;//账户总支出
allexpense+=L[i].expenseaccount;//总支出
}
int k[COUNT]={ 1,2,3,4,5};
int l[COUNT]={ 1,2,3,4,5};
int t;
float f;
for(i=0;i<COUNT-1;i++)
for(int j=i+1;j<COUNT;j++)
if(a[i]>a[j])
{
f=a[j];
a[j]=a[i];
a[i]=f;
t=k[j];
k[j]=k[i];
k[i]=t;
}
else if(c[i]>c[j])
{
f=c[j];
c[j]=c[i];
c[i]=f;
t=l[j];
l[j]=l[i];
l[i]=t;
}
cout<<"总收入为:"<<allincome<<endl;
cout<<"账户收入分别为:\t\t单位时间内账户收入为:"<<endl;
for(i=0;i<COUNT;i++)
cout<<"账户"<<l[i]<<"的收入为:"<<c[i]<<"\t账户"<<k[i]<<"的收入为"<<a[i]<<endl;
for(i=0;i<COUNT;i++)
{
k[i]=i+1;
l[i]=i+1;
}
for(i=0;i<COUNT-1;i++)
for(int j=i+1;j<COUNT;j++)
if(b[i]>b[j])
{
f=a[j];
a[j]=a[i];
a[i]=f;
t=k[j];
k[j]=k[i];
k[i]=t;
}
else if(d[i]>d[j])
{
f=c[j];
c[j]=c[i];
c[i]=f;
t=l[j];
l[j]=l[i];
l[i]=t;
}
cout<<"总支出为:"<<allincome<<endl;
cout<<"账户支出分别为:\t\t单位时间内账户支出为:"<<endl;
for(i=0;i<COUNT;i++)
cout<<"账户"<<l[i]<<"的支出为:"<<d[i]<<"\t账户"<<k[i]<<"的支出为"<<b[i]<<endl;
}
void AccountInformation::saveInfo()
{
Money *Q;
ofstream fout1("income.txt",ios::trunc);
if(fout1.fail())
{
cout<<"文件打开失败!"<<endl;
return ;
}
for(int i=0;i<COUNT;i++)
{
Q=L[i].income;
while(Q!=NULL)
{
fout1<<Q->Date<<" "<<Q->money<<'\n';
Q=Q->next;
}
fout1<<"#\n";
}
fout1.close();
ofstream fout2("expense.txt",ios::trunc);
if(fout2.fail())
{
cout<<"文件打开失败!"<<endl;
return ;
}
for(i=0;i<COUNT;i++)
{
Q=L[i].expense;
while(Q!=NULL)
{
fout2<<Q->Date<<" "<<Q->money<<'\n';
Q=Q->next;
}
fout2<<"#\n";
}
fout2.close();
}
void menu1(int choice[COUNT])
{
char s[5];
cout<<"
