1、對(duì)于窗口組件菜單,需要根據(jù)不同平臺(tái),通過圖形編程接口,進(jìn)行菜單的編制。

按需定制網(wǎng)站可以根據(jù)自己的需求進(jìn)行定制,網(wǎng)站設(shè)計(jì)制作、網(wǎng)站設(shè)計(jì)構(gòu)思過程中功能建設(shè)理應(yīng)排到主要部位公司網(wǎng)站設(shè)計(jì)制作、網(wǎng)站設(shè)計(jì)的運(yùn)用實(shí)際效果公司網(wǎng)站制作網(wǎng)站建立與制做的實(shí)際意義
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(xiàng)*/?
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(rèn)*/?
/*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(shí)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();?
}
2、對(duì)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(jì)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(yǔ)??????????????????????????????**\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(qǐng)輸入主字符串:\n");
scanf("%s",a);
k=strlen(a);
printf("請(qǐng)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(huì)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(qǐng)輸入一個(gè)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(qǐng)輸入一個(gè)數(shù)字:(0-10)\n");
fflush(stdin);
scanf("%d",m);
printf("%d對(duì)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");
}
這樣試試:
#includestdio.h
int menu(){
int p;
printf("\t\t 歡迎使用學(xué)生成績(jī)管理系統(tǒng)\n");
printf("\t\t\t0:退出\n");
printf("\t\t\t1:錄入學(xué)生信息\n");
printf("\t\t\t2:排序打印成績(jī)\n");
printf("\t\t\t3:統(tǒng)計(jì)分布情況\n");
printf("\t\t\t4:查詢學(xué)生信息\n");
printf("^_^ 提示:請(qǐng)輸入操作命令 :");
scanf("%d",p);
return p;
}
int main(){
int ch;
//...
while(1){
system("cls");
ch=menu();
if(ch==0)
break;
switch(ch){
case 1:
//調(diào)用 錄入學(xué)生信息 的函數(shù)
break;
case 2:
//調(diào)用 ... 的函數(shù)
break;
case 3:
//調(diào)用 ... 的函數(shù)
break;
case 4:
//調(diào)用 ... 的函數(shù)
break;
}
}
system("pause");
return 0;
}
void menu()在c語(yǔ)言中的意思是:
main是每一個(gè)程序都必須具有的,它是由系統(tǒng)定義的。
其后面的一對(duì)()說明main是一個(gè)稱為函數(shù)的程序塊。每一個(gè)C語(yǔ)言程序都是從函數(shù)main開始的,也結(jié)束于main函數(shù)最后一個(gè)花括號(hào)。
main()是應(yīng)用程序的主函數(shù),menu()是普通函數(shù)
一個(gè)叫menu的函數(shù),傳入的參數(shù)是空(不用傳參進(jìn)來),這個(gè)函數(shù)返回值是int(整形)數(shù)據(jù)?
1、如果只是想返回已經(jīng)寫好的主菜單頁(yè)面的話 ?可以直接在當(dāng)前函數(shù)中結(jié)束位置調(diào)用主菜單所在的函數(shù),如果想輸入某值返回的話 ?就加個(gè)輸入提示 比如 在其他函數(shù)頁(yè)面加上“輸入0返回主菜單”就可以在任意時(shí)候 ?輸入0來返回 ?當(dāng)然實(shí)現(xiàn)的時(shí)候也是輸入語(yǔ)句加判斷語(yǔ)句 加調(diào)用主菜單所在函數(shù),調(diào)用前先調(diào)用清屏函數(shù)。
2、例程:
#includestdio.h
int?menu()
{?int?rt;
char?str[256];
printf("1?****\n");
printf("2?****\n");
printf("3?****\n");
printf("4?****\n");
printf("5?退出程序\n");
printf("請(qǐng)選擇,輸入選項(xiàng)前面的數(shù)字后回車:?");?scanf("%s",str);
if?(?str[0]='1'??str[0]='5'?)?rt=str[0]-'0';?else?rt=0;
return?rt;
}
void?f1()?{}
void?f2()?{}
void?f3()?{}
void?f4()?{}
void?main()
{?int?s,loop=1;
while?(?loop?)
{?s=menu();
switch?(?s?)
{?case?1:?f1();?break;
case?2:?f2();?break;
case?3:?f3();?break;
case?4:?f4();?break;
case?5:?loop=0;?break;
default:?break;
}
}
}
enum{FIRST,CALCULATE,SECOND,RESULT};
int?menu(int?status,int?result=0)
{
switch(status)
{
case?FIRST:
{
printf("請(qǐng)輸入第一個(gè)數(shù)");
int?x;
scanf("%d",x);
return?x;
break;
}
case?SECOND:
{
printf("請(qǐng)輸入第二個(gè)數(shù)");
int?x;
scanf("%d",x);
return?x;
break;
}
case?CALCULATE:
{
printf("請(qǐng)輸入運(yùn)算符號(hào)");
char?x;
scanf("%c",x);
return?x;
break;
}
case?RESULT:
{
printf("運(yùn)算結(jié)果是%d\n",result);
return?1;
break;
}
}
}
main()
{
int?x=0,y=0,status=0,result=0,calculate
x=menu(status);
status++;
while(!(calculate=='+'?|?calculate=='-'?|?calculate=='*'?|?calculate=='/'))
calculate=menu(status);
status++;
y=menu(status);
status++;
switch(calculate)
{
case?'+':result=x+y;break;
case?'-':result=x-y;break;
case?'*':result=x*y;break;
case?'/':result=x/y;break;
}
menu(status,result);
}
網(wǎng)頁(yè)標(biāo)題:menu函數(shù)C語(yǔ)言,c++menu函數(shù)
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