C语言实现个人财务管理

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define SIZE 50

struct Date{
    int year,month,day;
};
struct deal{
    struct Date date;
    char name[12];
    double earning;
    double payout;
};
void Menu();
void InputOneDeal(struct deal *per);
void PrintOneDeal(struct deal *per);
void SortPerson(struct deal *per,struct deal **per_sort);

int main()
{
    struct deal person[SIZE]={0};
    char key;
    int i=0;
    while(1){
        Menu();
        key=getche();
        printf("\n");
        switch(key)
        {
        case '1':
            InputOneDeal(person+i);
            i++;
            break;
        case '2':
            PrintOneDeal(person);
            break;
        case '3':
            exit(0);
        default:break;
        }
    }
    return 0;
}
void Menu()
{
    printf("1.Input one deal\n");
    printf("2.Print one year balance\n");
    printf("3.Exit\n");
    printf("Please select(1-3):");
}
void InputOneDeal(struct deal *per)
{
    char s[10];
    printf("Date(YYYY-MM-DD):");
    scanf("%d-%d-%d",&per->date.year,&per->date.month,&per->date.day);
    printf("name:");
    scanf("%9s",s);
    printf("deal(+/-):");
    scanf("%9s",s);
    if(s[0]=='-')
        per->payout=atof(s);
    else
        per->earning=atof(s);
}
void PrintOneDeal(struct deal *per)
{
    struct deal *per_sort[SIZE]={NULL};
    int i, year, tag;
    char name[12];
    double earning, payout;
    SortPerson(per,per_sort) ;
    printf ("Name------Year--——-Earning----Payout----Balance\n" ) ;i =- 0;
    while(per_sort[i]!= NULL)
    {
        strcpy (name, per_sort[i]->name);
        printf ("%-12s ", name) ;
        tag = 1;
        while(per_sort[i]!= NULL && strcmp(name,per_sort[i]->name)==0)
        {
            year = per_sort[i]->date.year;
            earning = 0;
            payout = 0 ;
            while(per_sort[i]!= NULL && strcmp(name, per_sort[i]->name)==0 && year == per_sort[i]->date.year)
            {
                earning+=per_sort[i]->earning;
                payout+= per_sort[i]->payout;
                i++;
            }
            if (tag==1)
            {
                printf ("%-6d %11.2lf %11.2lf %11.2lf\n" , year,earning,payout,earning+payout) ;
                tag = 0 ;
            }
            else
                printf ("%12s %-6d %11.21f %11.21f %1.2lf\n", " ",year, earning, payout, earning + payout);

        }
    }
}
void SortPerson(struct deal *per,struct deal **per_sort)
{
    int i, j, k;
    struct deal *t;
    i = 0;
    while((per+i)->date.year !=0)
    {
        per_sort[i] = per + i;
        i++;
    }
    for(i = 0; per_sort[i] != NULL; i++)
    {
            k = i;
            for(j = i+1;per_sort[j]!=NULL;j++)
                if(strcmp(per_sort[j]->name,per_sort[k]->name)<0||strcmp(per_sort[j]->name, per_sort[k]->name)==0 &&per_sort[j]->date.year < per_sort[k]->date.year)
                    k=j;
            if(k != i)
            {
                t = per_sort [i] ;
                per_sort[i] = per_sort [k];
                per_sort[k] = t;
            }
    }
}