#include"stdio.h"
#include"stdlib.h"
#define MAX_NAME 11
#define MAX_DETAIL 21
#define MENU_COUNT 9
#define DATA_FILE "fa.dat" typedef wnum_fi_type
{
income=1,
payout=-1
}fi_type;
typedef struct_fi_info
{
int year;
int month;
fi_type type;
char name[MAX_NAME];
float money;
char detail[MAX_DETAIL];
}fi_info;
typedef struct_fi_data
{
fi_info info;
struct_fi_data *next;
}fi_data;
void add_income();
void search_income();
void delete_income();
void update_income();
void add_payout();
void search_payout();
void delete_payout();
void update_payout();
void count_total();
void quit();
void search_data(fi_type type); void delete_data(fi_type type); void update_data(fi_type type); void initialize();
void save_to_file();
void clear_data();
fi_data *get_last();
fi_data *get_previous(fi_data *p);
void input_info(fi_info *info);
void show_info(fi_data *p[],int count);
fi_data *head;
char menu[]=
"===============================================\n" "| 家庭财务管理系统|\n"
"+---------------------------------------------+\n"
"| 收入管理|\n"
"| 1 添加收入|\n"
"| 2 查询收入明细|\n"
"| 3 删除收入|\n"
"| 4 修改收入|\n"
"| 支出管理|\n"
"| 5 添加支出|\n"
"| 6 查询支出明细|\n"
"| 7 删除支出|\n"
"| 8 修改支出|\n"
"| 统计|\n"
"| 9 统计总收入总支出|\n"
"----------------------------------------------+\n"
"| 0 退出系统|\n"
"==============================================+\n"; void(*menu_fun[])()=
{
quit,
add_income,
search_income,
delete_income,
update_income,
add_payout,
search_payout,
delete_payout,
update_payout,
count_total
};
int main()
{
int selected=0;
initialize();
while(selected>=0 && selected<=MENU_COUNT)
{
system("cls");
printf(menu);
printf(">请选择要进行的操作(%d - %d):",0,MENU_COUNT);
if(scanf("%d",&selected)!=1||selected<0||selected>MENU_COUNT)
{
printf(">输入错误！请选择[ %d - %d]之间的数字！按任意键重试...",0,MENU_COUNT); fflush(stdin);
getchar();
}
else
{
menu_fun[selected]();
}
selected=0;
}
}
void add_income()
{
fi_data *p=(fi_data *)malloc(sizeof(fi_data));
memset(p,0,sizeof(fi_data));
p->next=NULL;
input_info(&(p->info));
p->info.type=income;
if(head==NULL)
{
head=p;
}
else
{
get_last(head)->next=p;
}
}
void search_income()
{
search_data(income);
}
void delete_income()
{
delete_data(income);
}
void update_income()
{
update_data(income);
}
void add_payout()
{
fi_data *p=(fi_data*)malloc(sizeof(fi_data));
memset(p,0,sizeof(fi_data));
input_info(&(p->info));
p->info.type=payout;
if(head==NULL)
{
head=p;
}
else
{
get_last(head)->next=p;
}
}
void search_payout()
{
search_data(payout);
}
void delete_payout()
{
delete_data(payout);
}
void update_payout()
{
update_data(payout);
}
void count_total()
{
float total_income=0.0;
float total_payout=0.0;
fi_data *p=head;
while(p!=NULL)
{
if(p->info.type==income)
{
total_income+=p->info.money;
}
else
{
total_payout+=p->info.money;
}
p=p->next;
}
printf("+---------+---------+---------+\n");
printf("| 合计收入| 合计支出| 结余|\n"); printf("+---------+---------+---------+\n");
printf("|%12.2f|%12.2f|%12.2f|\n", total_income, total_payout,total_income - total_payout); printf("+---------+---------+---------+\n");
printf(">按任意键继续返回主菜单...");
fflush(stdin);
getchar();
}
void search_data(fi_type type)
{
int year=0;
int month=0;
fi_data *p=NULL;
fi_data *result[9]={NULL};
int count=0;
char input=' ';
while(1)
{
printf(">请输入要查询的年月（例如:2009/1）");
if(scanf("%d/%d",&year,&month)!=2)
{
printf(">输入错误。\n");
}
else
{
p=head;
count=0;
memset(result,0,sizeof(fi_data*));
while(p!=NULL)
{
if(p->info.year==year && p->info.month==month && p->info.type==type)
{
if(count<9)
{
result[count]=p;
count++;
}
else
{
show_info(result,count);
printf(">输入空格并回车翻页。其他键退出。");
fflush(stdin);
input=getchar();
if(input==' ')
{
memset(result,0,sizeof(fi_data*));
result[count]=p;
count++;
}
else
{
break;
}
}
}
p=p->next;
}
if(count!=0)
{
show_info(result,count);
}
else
{
printf(">没有找到数据。\n");
}
printf(">继续查找其他数据?(y or n)"); fflush(stdin);
input=getchar();
if(input=='y'||input=='Y')
{
continue;
}
else
{
break;
}
}
}
}
void delete_data(fi_type type)
{
int year=0;
int month=0;
fi_data *p=NULL;
fi_data *pre=NULL;
fi_data *result[9]={NULL};
int count=0;
char input=' ';
while(1)
{
printf(">请输入要查询的年月（例如：2009/1）");
if(scanf("%d/%d",&year,&month)!=2)
{
printf(">输入错误。\n");
}
else
{
p=head;
count=0;
memset(result,0,sizeof(fi_data*));
while(p!=NULL)
{
if(p->info.year==year && p->info.month && p->info.type)
{
if(count=9)
{
result[count]=p;
count++;
}
else
{
show_info(result,count);
printf(">请输入空格并回车翻页。输入对应的序号删除。其他键退出:"); fflush(stdin)
input=getchar();
if(input==' ')
{
memset(result,0,sizeof(fi_data*));
count=0;
result[count]=p;
count++;
}
else if(input=='1' && input<=48+count)
{
i=input-49;
pre=get_previous(result[i]);
if(pre==NULL)
{
head=head->next;
}
else
{
pre->next=result[i]->next;
}
free(result[i]);
for(;i { result[i]=result[i+1]; } result[i]=p; printf(">删除成功。\n"); } else { break; } } } p=p->next; } if(count!=0) { show_info(result,count); printf(">输入对应的序号删除。其他键退出。"); fflush(stdin); input=getchar(); if(input>='1' && input<=48+count) { i=input-49; pre=get_previous(result[i]); if(pre==NULL) { head=head->next; } else { pre->next=result[i]->next; } free(result[i]); for(;i { result[i]=result[i+1]; } result[i]=NULL; count--; printf(">删除成功.\n"); } } else { printf(">没有找到数据。\n"); } printf(">继续查找数据？(y or n)"); fflush(stdin); input=getchar(); if(input=='y' || input=='Y') { continue; } else { break; } } } } void update_data(fi_type type) { int year=0; int month=0; fi_data *p=NULL; fi_data *pre=NULL; fi_data *result[9]={NULL}; int count=0; char input=' '; int i=0; while(1) { printf(">请输入要查询的年月（例如：2009/1）"); if(scanf("%d/%d",&year,&month)!=2) { printf(">输入错误。\n"); } else { p=head; count=0; memset(result,0,sizeof(fi_data*)); while(p!=NULL) { if(p->info.year==year && p->info.month==month && p->info.type==type) { if(count<9) { result[count]=p; count++; } else { show_info(result,count); printf(">输入空格并回车翻页。输入对应的序号修改。其他键退出。"); fflush(stdin); input=getchar(); if(input==' ') { memset(result,0,sizeof(fi-data*)); count=0; result[count]=p; count++; } else if(input>='1' && input<=48+count) { i=input-49; input_info(&(result[i]->info)); printf(">修改成功。\n"); p=get_previous(p); } else { break; } } } p=p->next; } if(count!=0) { show_info(result,count); printf(">输入对应的序号修改。其他键退出。"); fflush(stdin); input=getchar(); if(input>='1' && input<=48+count) { i=input-49; input_info(&(result[i]->info)); show_info(result,count); printf(">修改成功。\n"); } } else { printf(">没有找到数据。\n"); } printf(">继续查找数据？(y or n)"); fflush(stdin); input=getchar(); if(input=='y' || input=='Y') { continue; } else { break; } } } } void initialize() { FILE *fp=NULL; fi_data *p=NULL; fi_data *last=NULL; int count=0; fp=fopen(DATA_FILE,"rb"); if(fp==NULL) { fp=fopen(DATA_FILE,"w"); fclose(fp); return; } p=(fi_data*)malloc(sizeof(fi_data)); memset(p,0,sizeof(fi_data)); p->next=NULL; while(fread(&(p->info),sizeof(fi_info),1,fp)==1) { if(head==NULL) { head=p; } else { last=get_last(); last->next=p; } count++; fseek(fp,count *sizeof(fi_info),SEEK_SET); p=(fi_data*)malloc(sizeof(fi_data)); memset(p,0,sizeof(fi_data)); p->next=NULL; } free(p); p=NULL; fclose(fp); } void save_to_file() { FILE *fp=fopen(DA TA_FILE,"wb"); fi_data *p=head; while(p!=NULL) { fwrite(&(p->info),sizeof(fi_info),1,fp); fseek(fp,0,SEEK_END); p=p->next; } fclose(fp); } void clear_data() { fi_data *p=NULL; while(head!=NULL) { if(head->next!=NULL) { p=head; head=head->next; free(p); p=NULL; } else { free(head); head=NULL; } } } fi_data *get_last() { fi_data *p=head; if(p==NULL) { return p; } while((p!=NULL) && (p->nezt!=NULL)) { p=p->next; } return p; } fi_data *get_previous(fi_data *p) { fi_data *previous=head; while(previous!=NULL) { if(previous->next==p) { break; } previous=previous->next; } return previous; } void input_info(fi_info *info) { printf(">请输入年月（YYYY/M）:"); scanf("%d/%d",*(info->year),&(info->month)); printf(">请输入家庭成员姓名(最大长度为%d):",MAX_NAME - 1); scanf("%s",info->name); printf(">请输入金额:"); scanf("%f",&(info->money)); printf(">请输入备注（最大长度为%d）:",MAX_DETAIL - 1); scanf("%s",info->detail); } void show_info(fi_data *p[],int count) { int i=0; printf("+---+--------+-------+-------------+-------------+--------------------+\n"); printf("|No.| 年-月| 类型| 姓名| 金额| 备注|\n"); printf("+---+--------+-------+-------------+-------------+--------------------+\n"); for(i=0;i { printf("|%3d| %4d-%02d | %4s| %-10s | %10.2f | %-20s |\n", i+1, p[i]->info.year,p[i]->info.month, p[i]->info.type==income?"收入":"支出", p[i]->https://www.doczj.com/doc/b58657069.html,, p[i]->info.money, p[i]->info.detail); printf("+---+--------+-------+-------------+-------------+---------------------+\n"); } }
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