#include <stdio.h>
#include<stdlib.h>
#include<string.h>
#define N 200
typedef struct date
{
int year;
int month;
int day;
}DATE;
typedef struct bill
{
char billName[100];
double money;
DATE time;
long long int billID;
char billSort[20];
char note[100];
}BILL;
void web(void);
void PrintMessage(BILL stu[],int i);
void Exchange(BILL temp[],BILL stu[],int i,int j);
void WritetoFile(BILL stu[],int z);
int ReadfromFile(BILL stu[]);
int main()
{
BILL temp[200];
int i=0;int z=0;int n,j;
int count=0;
DATE timech;
int x=0;
double Sum[13]={0,0,0,0,0,0,0,0,0,0,0,0,0};
double S=0;
float P[100]={};
double sum1=0;
double sum2=0;
double sum3=0;
double sum=0;
float p1,p2,p3;
long int max,min;
BILL stu [N];
WEB: web();
int SLN;
scanf("%d",&SLN);
switch(SLN)
{
case 1:
z=0;
printf("请开始输入账单。\n");
char a;
do
{
printf("\n 账单摘要:");
getchar();
gets(stu[i].billName);
printf(" 金额:");
scanf("%lf",&stu[i].money);
printf(" 日期:");
scanf("%d",&stu[i].time.year);
scanf("%d",&stu[i].time.month);
scanf("%d",&stu[i].time.day);
printf(" 订单号:");
scanf("%lld",&stu[i].billID);
printf(" ***请从“消费”“借还款”“人情往来”三者中选择。***\n");
printf(" 账单分类:");
scanf("%s",stu[i].billSort);
printf(" 备注:");
scanf("%s",stu[i].note);
z++;
printf("\n是否录入下一项(Y/N)\n");
scanf(" %c",&a);
while(a!='Y'&&a!='N')//防止非法输入
{
printf("非法输入,请输入正确指示\n");
getchar();
scanf("%c",&a);
}
}while(a=='Y');//拒绝进入下一项
WritetoFile(stu,z);
goto WEB;
case 2:
n=ReadfromFile(stu);
count=n;
//按时间先后排序数组
for(j=0;j<count-1;j++)//年排序
{
for(i=j+1;i<count;i++)
{
if(stu[j].time.year>stu[i].time.year)
{
Exchange(temp,stu,i,j);
}
}
}
for(j=0;j<count-1;j++)//月排序
{
for(i=j+1;i<count;i++)
{
if(stu[j].time.month>stu[i].time.month)
{
Exchange(temp,stu,i,j);
}
}
}
for(j=0;j<count-1;j++)//日排序
{
for(i=j+1;i<count;i++)
{
if(stu[j].time.year>stu[i].time.year)
{
Exchange(temp,stu,i,j);
}
}
}
for(i=0;i<count;i++)
{
printf("\n----------------------------------- \n");
PrintMessage(stu,i);
printf("\n");
}
goto WEB;
case 3:
n=ReadfromFile(stu);
//按日期查询物资信息
printf("请输入您想查找的日期:\n");
scanf("%d%d%d",&timech.year,&timech.month,&timech.day);
for(i=0;i<n;i++)
{
if(timech.year==stu[i].time.year&&timech.month==stu[i].time.month&&timech.day==stu[i].time.day)
{
printf("\n----------------------------------- \n");
PrintMessage(stu,i);
printf("\n");
x++;
}
}
if(x==0)
printf("无对应此日期的账单");
x=0;//清空x值以便再次查找
goto WEB;
case 4:
n=ReadfromFile(stu);
for(i=0;i<n;i++)
{
for(j=1;j<=12;j++)
{
if(stu[i].time.month==j)
{
Sum[j]=Sum[j]+stu[i].money;
}
}
S=S+stu[i].money;
}
for(i=1;i<=12;i++)
{
P[i]=Sum[i]*1.0/S;
printf("%d月消费占比为:%0.1f%%\n",i,P[i]*100);
}
goto WEB;
case 5:
n=ReadfromFile(stu);
for(i=0;i<n;i++)
{
if(strcmp(stu[i].billSort,"消费\0")==0)
{
sum1=sum1+stu[i].money;
}
if(strcmp(stu[i].billSort,"借还款\0")==0)
{
sum2=sum2+stu[i].money;
}
if(strcmp(stu[i].billSort,"人情往来\0")==0)
{
sum3=sum3+stu[i].money;
}
sum=sum+stu[i].money;
}
p1=sum1*1.0/sum;
p2=sum2*1.0/sum;
p3=sum3*1.0/sum;
printf("消费占比为:%0.1f%%\n",p1*100);
printf("借还款占比为:%0.1f%%\n",p2*100);
printf("人情往来占比为:%0.1f%%\n",p3*100);
goto WEB;
case 6:
n=ReadfromFile(stu);
max=stu[0].money;
min=stu[0].money;
for(i=1;i<n;i++)
{
if(stu[i].money>max)
max=stu[i].money;
if(stu[i].money<min)
min=stu[i].money;
}
for(i=0;i<n;i++)
{
if(stu[i].money==max)
{
printf("\n------------------------------\n");
printf("最高纪录为:\n");
PrintMessage(stu,i);
}
if(stu[i].money==min)
{
printf("\n------------------------------\n");
printf("最低纪录为:\n");
PrintMessage(stu,i);
}
}
goto WEB;
default :
printf("您输入错误!\n");
goto WEB;
case 0:
exit(0);
}
return 0;
}
void web(void)
{
printf("\n支付宝账单信息管理系统\n");
printf(" \n 1.账单信息录入\n");
printf(" 2.按日期排序输出账单信息\n");
printf(" 3.按日期查询账单信息\n");
printf(" 4.按月份统计消费金额\n");
printf(" 5.按账单类别统计分析\n");
printf(" 6.查询金额最少和最多的账单\n");
printf(" 0.退出系统\n");
printf(" \n提示:请输入数字序号选择对应的操作 ");
}
void PrintMessage(BILL stu[],int i)
{
printf("账单摘要:%s\n",stu[i].billName);
printf("金额:%.1f\n",stu[i].money);
printf("日期:%3d-%02d-%02d\n",stu[i].time.year,stu[i].time.month,stu[i].time.day);
printf("订单号:%I64d\n",stu[i].billID);
printf("账单分类:%s\n",stu[i].billSort);
printf("备注:%s\n",stu[i].note);
}
void Exchange(BILL temp[],BILL stu[],int i,int j)
{
temp[i]=stu[i];
stu[i]=stu[j];
stu[j]=temp[i];
}
void WritetoFile(BILL stu[],int z)
{
FILE*fp;
if((fp=fopen("bill.txt","a"))==NULL)
{
printf("没有找到该文件!\n");
exit(0);
}
fwrite(stu,sizeof(BILL),z,fp);
fclose(fp);
}
int ReadfromFile(BILL stu[])
{
FILE*fp;
int i;
if((fp=fopen("bill.txt","r"))==NULL)
{
printf("没有找到该文件!\n");
exit(0);
}
for(i=0;!feof(fp);i++)
{
fread(&stu[i],sizeof(BILL),1,fp);
}
fclose(fp);
return i-1;
}