C/C++实现个人收支系统的示例代码

#include <iostream>
#include <stdlib.h>
#include <string.h>
#define MAX_MARK 100

using namespace std;

struct Pay
{
	char payment[2];
	int inout;
	int year;
	int month;
	int day;
	int money;
	char mark[MAX_MARK];
}ioi;/*日期，收入/支出 金额 收入来源/支出目的*/


void displayMenu()
 {
  cout <<"+++++++++++++++++++++++++++++++++++++++++++++++++++++++++"<<endl;
  cout <<"+    个人收支管理系统      +"<<endl;
  cout <<"+     1. 添加收支       +"<<endl;
  cout <<"+     2. 查找收支       +"<<endl;
  cout <<"+     3. 统计收支       +"<<endl;
  cout <<"+     4. 输出文件       +"<<endl;
  cout <<"+     5. 结束程序       +"<<endl;
  cout <<"+++++++++++++++++++++++++++++++++++++++++++++++++++++++++"<<endl;
}

int addPayment(Pay ioi[],int num)
{
	char tempPayment[3];
	cout <<"请逐笔输入类别编码、发生日期、金额、备注"<<endl;
	cout <<"输入收支明细：";
	scanf("%s %d-%d-%d %d %s",ioi[num].payment,&ioi[num].year,&ioi[num].month,&ioi[num].day,&ioi[num].money,ioi[num].mark);
	if(ioi[num].payment[0]=='a'){
		ioi[num].inout = 1;
	}else{
		ioi[num].inout = 0;
	}
	num++;
	return num;
};

void findPayment(Pay ioi[],int num)
{
	int kind;
	int i;
	int flag=0;
	int tempMonth=0,tempYear=0;
	cout <<"请输入想要查找的目标（1为年月，2为类别）:"<<endl;
	cin >> kind;
	if(kind == 1){
		cout << "请输入查找的年月(XXXX-XX):";
		scanf("%d-%d",&tempYear,&tempMonth);
		for(i=0;i<num;i++){
			if(ioi[i].year==tempYear && ioi[i].month== tempMonth){
				cout << "找到了!";
				if(ioi[i].inout == 1){
					cout <<"收入 ";
				}
				if(ioi[i].inout == 0){
					cout <<"支出 ";
				} 
				cout <<ioi[i].money;
				cout << '\t';
				cout <<ioi[i].mark<<endl;
			}
		}
	}
	char tempPayment[2];
	if(kind == 2){
		cout <<"请输入查找的类别:";
		cin >> tempPayment;
		for(i=0;i<num;i++){
			if(ioi[i].payment[0] == tempPayment[0] && ioi[i].payment[1] == tempPayment[1]){
				cout <<"找到了!";
				if(ioi[i].inout == 1){
					cout <<"收入 ";
				}
				if(ioi[i].inout == 0){
					cout <<"支出 ";
				} 
				cout <<ioi[i].money;
				cout << '\t';
				cout <<ioi[i].mark<<endl;
			}
		}
	}
};


void sumPayment(Pay ioi[],int num)
{
	int i;
	int sumYear=0;
	int sumMonth=0;
	int judge=0;
	cout <<"请输入对收支类别数据进行汇总的月份:";
	scanf("%d-%d",&sumYear,&sumMonth);
	printf("%d年%d月收支类别数据的汇总：\n",sumYear,sumMonth); 
	cout << "收支\t明细\t金额" <<endl;
	for(i=0;i<num;i++){
		if(ioi[i].year==sumYear && ioi[i].month==sumMonth){
			if(ioi[i].inout == 1){
				cout <<"收入 ";
			}
			if(ioi[i].inout == 0){
				cout <<"支出 ";
			}
			cout <<ioi[i].money;
			cout << '\t';
			cout <<ioi[i].mark<<endl;
		}
	}
	
	int sumIn=0,sumOut=0;
	for(i=0;i<num;i++){
		if(ioi[i].inout == 1){
			sumIn+= ioi[i].money;
		}
		if(ioi[i].inout == 0){
			sumOut+= ioi[i].money;
		}
	}
	printf("%d年%d月的总收入为：%d 总支出为：%d\n",sumYear,sumMonth,sumIn,sumOut); 
	
	cout <<"是否输出各笔明细：(是1否0):";
	cin >>judge;
	if(judge==1){
		printf("%d年%d月收支类别数据的明细：\n",sumYear,sumMonth); 
		cout <<"类别\t收入\t支出\t发生日期\t金额\t备注"<<endl;
		for(i=0;i<num;i++){
			if(ioi[i].payment[0] == 'a' &&ioi[i].payment[0] == '1')
					cout <<"生活费 ";
			if(ioi[i].payment[0] == 'a' &&ioi[i].payment[0] == '2')
					cout <<"奖学金 ";
			if(ioi[i].payment[0] == 'a' &&ioi[i].payment[0] == '3')
					cout <<"稿费 ";
			if(ioi[i].payment[0] == 'b' &&ioi[i].payment[0] == '1')
					cout <<"学习用品 ";
			if(ioi[i].payment[0] == 'b' &&ioi[i].payment[0] == '2')
					cout <<"生活用品 ";
			if(ioi[i].payment[0] == 'b' &&ioi[i].payment[0] == '3')
					cout <<"游戏 ";
		
			if(ioi[i].inout == 1){
				cout <<"收入\t";
			}
			if(ioi[i].inout == 0){
				cout <<"支出\t";
			}
			cout <<ioi[i].money;
			cout << '\t';
			cout <<ioi[i].mark<<endl;
		}
	}
};

void writeFile(Pay ioi[])
{
	FILE *fp=NULL;
	int i=0;

	fp=fopen("payment.txt","wb");

	if(fp==NULL)
	{
		cout <<"打开文件出错!"<<endl;
		exit(0);
	}
	fwrite(&ioi,sizeof(struct Pay),1,fp);
	cout <<"信息已保存到文payment.txt中"<<endl;
	fclose(fp);
};

void sortMoney(Pay ioi[],int length)	//冒泡排序 
{
	int i=0,j=0,k=0;
	Pay temp;
	for(i=0;i<length;i++){
		k=i;
		for(j=i+1;j<length;j++)
			if(ioi[j].money>ioi[k].money)
				k=j;
  temp=ioi[k];
  ioi[k]=ioi[i];
  ioi[i]=temp;
	}
}

int main()
{
	int allNum=0;
	int choice=0;
	struct Pay ioi[50];
 while(1)
 {
		displayMenu();
		cout<<"请选择您的操作(1,2,3,4,5)"<<endl;
  cin>>choice;
		switch(choice)
  {
			case 1:
				allNum = addPayment(ioi,allNum);
				break;
			case 2:
				findPayment(ioi,allNum);
				break;
			case 3:
				sortMoney(ioi,allNum);
				sumPayment(ioi,allNum);
				break;
			case 4:
				writeFile(ioi);
				break;
			case 5:
				exit(0);
				break;
			default:
				cout<<"输入不合法，重新输入"<<endl;
				break;
		}
	}
}