#include<stdlib.h>
#include<string.h>
#include<conio.h>
#define N 10
// 定义三个入口到出口的路程分别是l1 l2 l3
struct vehicle//车辆信息
{
char num[8]//车牌号
char variety[4]//车辆类型a,b,c(大，中，小)
int entime//进入时间
char enter[2]//进入口1,2,3……分别为各个入口
}ve[N]
int count=0
FILE *fp
//函数声明//
void menu()//主菜单
void input()//输入函数
void show()
void all()
void readfile()//从文件导入
void writefile()//写入
void main()
{
readfile()
while(1)
{
menu()
}
}
void readfile()//从文件导入
{
if((fp=fopen("vehicle.txt","r"))==NULL)
{
printf("\n\t\t\t\t文件为空，请添加信息")
if((fp=fopen("vehicle.txt","w"))==NULL)
{
printf("\n\t\t\t建立失败")
exit(0)
}
else
{
printf("\n\t\t文件已建立")
printf("\n\t\tPress any key to get to mainmenu!")
getch()
return
}
exit(0)
}
fseek(fp,0,2)/*文件指针fp指到到文件末尾*/
if(ftell(fp)>0) /*文件不为空*/
{
fseek(fp,0,0)/*文件指针指到文件开始位置*/
for(count=0!feof(fp)&&fread(&ve[count],sizeof(struct vehicle),1,fp)count++)
printf("\n\t\t文件导入成功")
printf("\n\t\t按任意键进入系统")
getch()
return
}
printf("\n\t\t\t已成功打开文件!")
printf("\n\t\t\tPress anykey to get back to mainmenu")
getch()
return
}
void menu()
{system("cls")//清屏
char n
printf("\n\n\n\n")
printf("\t\t☆★☆★☆★欢迎使用高速公路收费系统☆★☆★☆★\n")
printf("\t\t◇◇◇§§§◇◇◇◇主菜单◇◇◇◇§§§◇◇◇\n")
printf(" *********1.输入车辆信息*********\n")
printf(" *********2.显示车辆信息*********\n")
printf(" *********3.显示车辆总数*********\n")
printf(" *********4.保存退出系统 *********\n")
printf(" 请输入数字选择操作类型:\n")
n=getch()
switch(n)
{
case '1': input()break
case '2': show()break
case '3': all()break
case '4': writefile()break
default: break
}
}
void input()
{ system("cls")
printf("请输入车辆信息\n")
printf("车牌号:\n")
scanf("%s",&ve[count].num)
printf("车辆类型(a,b,c分别代表大，中，小):\n")
scanf("%s",ve[count].variety)
printf("进入时间:\n")
scanf("%d",&ve[count].entime)
printf("入口(1,2,3代表三个入口):\n")
scanf("%s",&ve[count].enter)
count++
printf("是否继续添加(Y/N)\n")
if(getch()=='y'||getch()=='Y')
input()
}
void show()
{ system("cls")
char num[8]
char enter[2]
int i
double a,b,c,l1=200,l2=300,l3=400// 定义三个入口到出口的路程分别是l1 l2 l3(200 300 400)公里
printf("请输入车牌号:\n")
scanf("%s",num)
for(i=0i<counti++)
{if(strcmp(ve[i].num,num)==0)
{
printf("车辆信息:")
printf("车辆类型:%s\n",ve[i].variety)
printf("入口站:%s\n",ve[i].enter)
printf("进入时间:%d\n",ve[i].entime)
printf("车牌号:%s",ve[i].num)
}
}
for(i=0i<counti++)
{ if(strcmp(ve[i].variety,"a")==0&&strcmp(ve[i].enter,"1")==0)
{
a=0.5*l1
printf("此车应缴费%f元",a)
}
else if(strcmp(ve[i].variety,"a")==0&&strcmp(ve[i].enter,"2")==0)
{
a=0.5*l2
printf("此车应缴费%f元",a)
}
else if(strcmp(ve[i].variety,"a")==0&&strcmp(ve[i].enter,"3")==0)
{
a=0.5*l3
printf("此车应缴费%f元",a)
}
else if(strcmp(ve[i].variety,"b")==0&&strcmp(ve[i].enter,"1")==0)
{
b=0.4*l1
printf("此车应缴费%f元",b)
}
else if(strcmp(ve[i].variety,"b")==0&&strcmp(ve[i].enter,"2")==0)
{
b=0.4*l2
printf("此车应缴费%f元",b)
}
else if(strcmp(ve[i].variety,"b")==0&&strcmp(ve[i].enter,"3")==0)
{
b=0.4*l3
printf("此车应缴费%f元",b)
}
else if(strcmp(ve[i].variety,"c")==0&&strcmp(ve[i].enter,"1")==0)
{
c=0.3*l1
printf("此车应缴费%f元",c)
}
else if(strcmp(ve[i].variety,"c")==0&&strcmp(ve[i].enter,"2")==0)
{
c=0.3*l2
printf("此车应缴费%f元",c)
}
else if(strcmp(ve[i].variety,"c")==0&&strcmp(ve[i].enter,"3")==0)
{
c=0.3*l3
printf("此车应缴费%f元",c)
}
}
getch()
return
}
void writefile()
{
int i
if((fp=fopen("vehicle.txt","w"))==NULL)
{
printf("\n\t\t文件打开失败")
}
for (i=0i<counti++)
{
if(fwrite(&ve[i],sizeof(struct vehicle),1,fp)!=1)
{
printf("\n\t\t写入文件错误!\n")
}
}
fclose(fp)
printf("\n\t\t通讯录文件已保存")
printf("\n\t\t按任意键退出程序\n\t\t")
exit(0)
}
void all()
{ system("cls")
printf("车辆总数为:%d",count)
getch()
return
}
#include<stdio.h>#include
<stdlib.h>
//车辆类型
enum
VehicleType
{
Car
=
1,
Trunk
=
2,
Bus
=
3
}
//定义类
class
VehicleSystem
{
public:
static
int
PayMent(VehicleType
vt)
{
if(vt==VehicleType::Bus)
{
return
50
}
else
if(vt==VehicleType::Car)
{
return
15
}
else
if(vt==VehicleType::Trunk)
{
return
30
}
return
0
}
}
void
main()
{
unsigned
int
id=0
unsigned
int
payment=0
unsigned
int
caramount=0
unsigned
int
busamount=0
unsigned
int
trunkamount=0
do
{
printf("1：轿车，2：卡车，3：公共汽车，请输入编号收费，0表示结束：")
scanf("%u",&id)
if(VehicleSystem::PayMent((enum
VehicleType)id)==50)
{
busamount++
}
else
if(VehicleSystem::PayMent((enum
VehicleType)id)==30)
{
trunkamount++
}
else
if(VehicleSystem::PayMent((enum
VehicleType)id)==15)
{
caramount++
}
payment+=VehicleSystem::PayMent((enum
VehicleType)id)
}while(id!=0)
printf("\n\n小轿车：%u\n公共汽车：%u\n卡车：%u",caramount,busamount,trunkamount)
printf("\n\n总共费用：%u",payment)
system("pause")
}
那个负号不当心打入了。不影响的。
