用C语言实现简单菜单
通过本实例简单了解C语言实现菜单的基本原理。
实例中没有什么过多深入的东西，仅仅是简单实现基本的菜单。
本实例是查询航班时刻表：
/************************************************************************/
/*C语言实现 */ /*运行环境：VC++6.0 */
/************************************************************************/
#include "stdio.h"
#include "conio.h"
#include "stdlib.h"
int PrnMainMenu(void);
void ProcessLoop(void);
void Atlanta(void);
void Boston(void);
void LosAngeles(void);
void Miami(void);
void NewYork(void);
main() /*主函数*/
{
ProcessLoop();
return 0;
}
void ProcessLoop(void)
{
int iChoice;
iChoice = PrnMainMenu();
while (iChoice != 6)
{
switch(iChoice)
{
case 1:
Atlanta();
break;
case 2:
Boston();
break;
case 3:
LosAngeles();
break;
case 4:
Miami();
break;
default:
NewYork();
break;
}
iChoice = PrnMainMenu();
}
return;
}
int PrnMainMenu(void)
{
int iChoice;
system("cls"); /*_clearscreen(0); */
printf("/n/t%s","wynfield metro airport");
printf("/n/n/t main menu");
printf("/n/n/n/t Select one:");
printf("/n/n/t 1.Atlanta");
printf("/n/n/t 2.Boston");
printf("/n/n/t 3.Los Angeles");
printf("/n/n/t 4.Miami");
printf("/n/n/t 5.New York");
printf("/n/n/t 6.Quit");
printf("/n/n/n/n/n/n/t Enter choice(1-6)===>");
scanf("%d",&iChoice); fflush(stdin);
while (iChoice < 1 || iChoice > 6)
{
printf("/nERROR...re-enter choice(1-6)===>");
scanf("%d",&iChoice);
fflush(stdin);
}
return iChoice;
}
void Atlanta(void)
{
char cWait;
system("cls");
printf("/n/t%s","wynfield metro airport");
printf("/n/n/t Atlanta Flight Schedule");
printf("/n/n/n/t ------------------------------");
printf("/n/n/t Flight# Departure");
printf("/n/n/t 101 7:15 p.m");
printf("/n/n/t 214 9:20 p.m");
printf("/n/n/n/t Press Enter to continue...");
cWait = getch();
return;
}
void Boston(void)
{
char cWait;
system("cls");
printf("/n/t%s","wynfield metro airport");
printf("/n/n/t Boston Flight Schedule");
printf("/n/n/n/t ------------------------------");
printf("/n/n/t Flight# Departure");
printf("/n/n/t 117 5:55 p.m");
printf("/n/n/t 201 6:30 p.m");
printf("/n/n/n/t Press Enter to continue...");
cWait = getch();
return;
}
void LosAngeles(void)
{
char cWait;
system("cls");
printf("/n/t%s","wynfield metro airport");
printf("/n/n/t LosAngeles Flight Schedule");
printf("/n/n/n/t --------------------------------");
printf("/n/n/t Flight# Departure");
printf("/n/n/t 122 3:10 p.m");
printf("/n/n/t 205 4:30 p.m");
printf("/n/n/n/t Press Enter to continue...");
cWait = getch();
return;
}
void Miami(void)
{
char cWait;
system("cls");
printf("/n/t%s","wynfield metro airport");
printf("/n/n/t Miami Flight Schedule");
printf("/n/n/n/t ------------------------------");
printf("/n/n/t Flight# Departure");
printf("/n/n/t 102 1:25 p.m");
printf("/n/n/t 204 4:00 p.m");
printf("/n/n/n/t Press Enter to continue...");
cWait = getch();
return;
}
void NewYork(void)
{
char cWait;
system("cls");
printf("/n/t%s","wynfield metro airport");
printf("/n/n/t NewYork Flight Schedule");
printf("/n/n/n/t ------------------------------");
printf("/n/n/t Flight# Departure");
printf("/n/n/t 104 2:00 p.m");
printf("/n/n/t 119 5:16 p.m");
printf("/n/n/t 200 7:20 p.m");
printf("/n/n/n/t Press Enter to continue...");
cWait = getch();
return;
}