C语言财务管理系统(源代码)

#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*));