對于窗口組件菜單，需要根據(jù)不同平臺，通過圖形編程接口，進行菜單的編制。
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例程：
#includestdio.h?
#includegraphics.h?
#includeconio.h?
void?main()?
{?
char?str;?
int?i,k,choice=1;?
int?gd=DETECT,gm;?
initgraph(gd,gm,"?");?
setbkcolor(2);?
settextstyle(3,0,3);?
outtextxy(140,120,"A.?The?Mock?Clock.");?
outtextxy(140,150,"B.?The?Digital?Clock.");?
outtextxy(140,180,"C.?Exit.");?
setlinestyle(0,0,3);?
rectangle(170,115,370,145);?
/*按上下鍵選擇所需選項*/?
for(i=1;i=100;i++)?
{?
str=getch();?
if(str==72)?
{?
--choice;?
if(choice==0)choice=3;?
}?
if(str==80)?
{?
++choice;?
if(choice==4)choice=1;?
}?
if(str==13)break;?／＊按回車鍵確認＊／?
/*畫圖做菜單*/?
cleardevice();?
switch(choice)?
{?case?1:?setlinestyle(0,0,3);?
rectangle(170,115,400,145);?
settextstyle(3,0,3);?
outtextxy(140,120,"A.?The?Mock?Clock.");?
settextstyle(3,0,3);?
outtextxy(140,150,"B.?The?Digital?Clock.");?
outtextxy(140,180,"C.?Exit.");?
break;?
case?2:?setlinestyle(0,0,3);?
rectangle(170,145,400,175);?
settextstyle(3,0,3);?
outtextxy(140,120,"A.?The?Mock?Clock.");?
settextstyle(3,0,3);?
outtextxy(140,150,"B.?The?Digital?Clock.");?
settextstyle(3,0,3);?
outtextxy(140,180,"C.?Exit.");?
break;?
case?3:?settextstyle(3,0,3);?
outtextxy(140,120,"A.?The?Mock?Clock.");?
outtextxy(140,150,"B.?The?Digital?Clock.");?
settextstyle(3,0,3);?
outtextxy(140,180,"C.?Exit.");?
setlinestyle(0,0,3);?
rectangle(170,175,400,205);?
break;?
}?
}?
if(i=100)exit(0);／＊如果按鍵超過100次退出＊／?
switch(choice)/*這里引用函數(shù)，實現(xiàn)所要的功能*/?
{?
case?1:?cleardevice();?
setbkcolor(4);?
settextstyle(3,0,4);?
outtextxy(160,120,"No.1?have?not?built.");?break;?
case?2:?cleardevice();?
setbkcolor(4);?
settextstyle(3,0,4);?
outtextxy(160,150,"No.2?have?not?built.");?
break;?
case?3:?exit(0);?
}?
getch();?
closegraph();?
}
對于命令行菜單，直接通過不斷刷新輸出來模擬菜單行為。
例程：
#include?stdio.h
#include?stdlib.h?
#include?string.h
int?n,t,k;
int?m;
char?s1[20],s2[20],c;
char?**l;
char?*num[]={"one","two","three","four","five","six","seven","eight","nine","ten"};
void?menu()
{
printf("\n\n\t\t*******************************************************\n");
printf("\t\t**???1.查找字符串S1中S2出現(xiàn)的次數(shù)????????????????????**\n");
printf("\t\t**???2.統(tǒng)計字符串中大小寫字母，數(shù)字出現(xiàn)的次數(shù)????????**\n");
printf("\t\t**???3.將數(shù)字翻譯成英語??????????????????????????????**\n");
printf("\t\t**???4.結(jié)束??????????????????????????????????????????**\n");
printf("\t\t*******************************************************\n");
printf("\t\t?????您的輸入：");
fflush(stdin);
scanf("%d",n);
}
void?check()
{
char?a[20],b[20];
int?j=0,k,m,l=0;
int?t=0,n=0;
printf("請輸入主字符串：\n");
scanf("%s",a);
k=strlen(a);
printf("請輸入子字符串：\n");
scanf("%s",b);
m=strlen(b);
for(n=0;nk;n++)
if(a[n]==b[0])
{
j++;?/*記錄相同的字符數(shù)*/
do
{????
if(a[++n]==b[++t])
{?
j++;
if(j==m)?
{
l++;/*子字符串相同數(shù)*/
j=0;/*判斷后相同字符數(shù)歸零*/
t=-1;/*判斷中if中++t;t將會歸零*/
}
}
else
{
j=0;
t=0;
break;/*如果不同跳出while循環(huán)讓for使n+1繼續(xù)判斷*/
}
}while(a[n]!='\0');/*查找完字符數(shù)組a結(jié)束*/
}
printf("子字符串出現(xiàn)次數(shù)：\n%d\n",l);
}??????????????????????????????????
void?cout()
{
int?n=0,t=0,k=0;
printf("請輸入一個字符串：\n");
fflush(stdin);/*清除緩沖*/
while((c=getchar())!='\n')
{
if(c='a'c='z')
n++;
if(c='A'c='Z')
t++;
if(c='0'c='9')
k++;
}
printf("有大寫字母：\n%d\n",t);
printf("有小寫字母：\n%d\n",n);
printf("有數(shù)字：\n%d\n",k);
}
void?number()
{
l=num;
printf("請輸入一個數(shù)字：(0-10)\n");
fflush(stdin);
scanf("%d",m);
printf("%d對應(yīng)的英文是：\n%s\n",m,*(l+m-1));
}
void?main()
{
while(1)
{???
system("cls");
menu();
switch(n)
{
case?1:system("cls");check();system("pause");break;
case?2:system("cls");cout();system("pause");break;
case?3:system("cls");number();system("pause");break;
case?4:system("cls");break;
default:system("cls");break;?
}
if(n==4)?break;
}
printf("感謝使用\n");
}
#include?stdio.h
#include?stdlib.h
void?menu()????????//菜單繪制
{
printf("---------------------------------------\n");
printf("\t\t?0.退出\n");
printf("\t\t?1.錄入信息\n");
printf("\t\t?2.查找信息\n");
printf("\t\t?3.刪除信息\n");
printf("\t\t?4.瀏覽信息\n");
printf("\t\t??5.有其他疑問找群主")
printf("\t\t??6.C++8群:?491994603")
printf("---------------------------------------\n");
}
void?keyDown()????//按鍵處理
{
int?choice;
scanf("%d",?choice);
switch?(choice)
{
case?0:
printf("退出程序\n");
Sleep(2000);
return?0;
case?1:
//調(diào)用菜單1實現(xiàn)函數(shù)
break;
case?2:
//調(diào)用菜單2實現(xiàn)函數(shù)
break;
case?3:
//調(diào)用菜單3實現(xiàn)函數(shù)
break;
case?4:
//調(diào)用菜單4實現(xiàn)函數(shù)
break;
default:
printf("輸入錯誤\n");
}
system("pause");
return?0;
}
int?main()
{
while(1)????????
{
menu();
keyDown();
system("cls");
}
return?0;
}
#includestdio.h?
#includestring.h?
#includestdlib.h
//值傳遞
void?fun1(char?a)
{
a?=?'b';
}
//地址傳遞
char?fun2(char*?a)
{
*a?=?'a';
return?*a;
}
//動態(tài)分配數(shù)組
void?fun3(char*?a)
{
a??=?(char*)malloc(sizeof(char));
}
char?caidan()?
{?
char?choose[5];?
printf("\n***************************************\n");?
printf("??????┌──────┐\n");?
printf("??????│?菜單│\n");?
printf("?__________________________________\n");?
printf("│?1,按值傳遞????|\n");?
printf("│?2,按地址傳遞??|\n");?
printf("│?3,動態(tài)數(shù)組演示|\n");?
printf("│?4,退?出???????|\n");?
printf("└────────────────┙\n");?
printf("**************************************\n\n");?
do?
{?
printf("請輸入您的選擇(1-4):");?
scanf("%s",choose);?
}while(strcmp(choose,"1")strcmp(choose,"2")strcmp(choose,"3")strcmp(choose,"4"));?
//返回選擇的菜單，注意如果輸入太長?這里會異常，因為choose[5]，只申請了5個字節(jié)。?
return?choose[0];?
}?
void?main()
{
//執(zhí)行菜單的選擇?
while(1)
{
switch(caidan())?
{?
case?'1':
{
char?a?=?'a';
fun1(a);
//按值傳遞?內(nèi)容不變
break;?
}
case?'2':
{
char?b?=?'b';
char?a?=?fun2(b);
//按地址傳遞內(nèi)容會變
break;?
}
case?'3':
{
char*?p?=?NULL;
fun3(p);
//動態(tài)數(shù)組分配成功
break;?
}
case?'4':exit(0);?
}?
}
}
#include "stdio.h"
#include "stdlib.h"
#include "dos.h"
#include "windows.h"
char choice1;
void main()
{
void menue1();
printf("歡迎進入Ben的作業(yè)查詢系統(tǒng)！");
menue1();
}
void menue1()
{
void choicemenue1();
printf("\n請按照以下列表選擇您想要查看的章節(jié)：");
printf("\n編號\t章節(jié)\n 1\t第一章\n 2\t第二章\n");
printf("請輸入編號進行選擇：");
choicemenue1();
}
void choicemenue1()
{
choice1=getch();
switch(choice1)
{
void menuechapter1();
void menuechapter2();
void menue1();
case '1':menuechapter1();break;
case '2':menuechapter2();break;
default:printf("\n輸入錯誤！請重新選擇！\n"),menue1();
}}
void menuechapter1()
{
char choiceex;
printf("\n您選擇的是第%c章",choice1);
printf("\n現(xiàn)在請選擇本章節(jié)的題目。");
printf("\n請按照以下列表選擇題目：");
printf("\n編號\t題目編號\n1\t第1題\n2\t第2題\n");
printf("請選擇：");
switch(choiceex=getch())
{
void c1_1();
void c1_2();
case '1':c1_1();break;
case '2':c1_2();break;
default:
printf("\n你個白癡！這也能選錯！不讓你重選了！");
printf("\n按任意鍵以退出！");
getch();
exit(0);
}
}
void menuechapter2()
{
char choiceex;
printf("\n您選擇的是第%c章",choice1);
printf("\n現(xiàn)在請選擇本章節(jié)的題目。");
printf("\n請按照以下列表選擇題目：");
printf("\n編號\t題目編號\n1\t第1題\n2\t第2題\n");
printf("\n請選擇：");
switch(choiceex=getch())
{
void c2_1();
void c2_2();
case '1':c2_1();break;
case '2':c2_2();break;
default:
printf("\n你個白癡！這也能選錯！不讓你重選了！");
printf("\n按任意鍵以退出！");
getch();
exit(0);
}
}
void c1_1()
{
char howtorun;
printf("現(xiàn)在請選擇考察方式：");
printf("\n編號\t考察方式\n 1\t運行程序\n 2\t查看源代碼\n 3\t返回主菜單\n 4\t退出程序\n");
printf("請選擇：");
switch(howtorun=getch())
{
void runc1_1();
void menue1();
case '1':runc1_1();break;
case '2':printf("\n"),system("type \\caidan\\chapter1\\c1_1.c"),printf("\n"),getch();break;
case '3':menue1();break;
case '4':exit(0);break;
default:
printf("程序即將結(jié)束！哈哈哈……");
printf("按任意鍵以結(jié)束程序！");
getch();
exit(0);
}}
void c1_2()
{
printf("c1_2 is OK!");
}void c2_1()
{
printf("c2_1 is OK!");
}void c2_2()
{
printf("c2_2 is OK!");
}
void runc1_1()
{
int a,b,max;
printf("\nPlease input two integer numbers:");
printf("a=?,b=?\n");
scanf("%d,%d",a,b);
max=ab?a:b;
printf("The max number is %d",max);
}
大概就是這樣做的。。
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重慶分公司
