c语言怎样实现键盘 *** 作

c语言怎样实现键盘 *** 作,第1张

在你的基础上改的

#include<stdioh>

#include<stdlibh>

#define LISTSIZE 100

#define ADD 10

typedef struct {

int elem;

int length;

int listsize;

}List;//定义线性表的结构体

void SqList(List &L)

{

//int i;//C++中C程序的变量定义放在开始

Lelem=(int )malloc(LISTSIZEsizeof(int));

if(!Lelem) exit(0);

Llistsize=LISTSIZE;

//printf("请输入线性表长度:");

//scanf("%d",&Llength);

//printf("为线性表赋值:");

//for(i=0;i<=Llength-1;i++)

//scanf("%5d",&Lelem[i]);

Llength =0;//如果是初始化,那么长度就是0

}//初始化线性表

int InsertSq(List &L,int i,int e)

{

int p=NULL, q=NULL;//所有变量的定义都必须置前

if(i<0||i>Llength+1) return 0;

if(Llength>=Llistsize)

{

int newbase;

newbase=(int )realloc(Lelem,(Llistsize+ADD)sizeof(int));

if(!newbase) exit(0);

Lelem=newbase;

Llistsize+=ADD;

}

q=&Lelem[i-1];

for(p=&Lelem[Llength-1];p>=q;--p)

(p+1)=p;

q=e;

Llength++;

return 1;

}//在线性表的第i个元素之前插入元素e

void PrintList(List L)

{

printf("顺序表中的元素:\n");

for(int k=0;k<=Llength-1;k++)

printf("%5d",Lelem[k]);

printf("\n");

}

void main()

{

//void SqList(List &L);

//int InsertSq(List &L,int i,int e);使用之前已经定义了,可以不用函数说明

List L;

int i,e; //函数调用前,变量必须定义

SqList(L);

printf("输入顺序表中元素的个数:");

scanf("%d",&i);

printf("请输入元素:");

for(int j=1;j<=i;j++)

{

scanf("%d",&e);

InsertSq(L,j,e);

}

PrintList(L);

printf("输入插入的元素及其位置:");

scanf("%5d%5d",&e,&i);

InsertSq(L,i,e);

PrintList(L);

}

你如果用TC

#include<graphicsh>

#include<stdlibh>

#define N 200

#define up 0x4800

#define down 0x5000

#define left 0x4b00

#define right 0x4d00

#define esc 0x011b

#define Y 0x1579

#define n 0x316e

int gamespeed; / 游戏速度 /

int i,key,color;

int score=0; / 游戏分数 /

char cai48H[]={

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x04,0x00,0x18,0x00,0x00,0x00,0x0E,0x00,

0x1C,0x00,0x00,0x00,0x1C,0x00,0x1C,0x00,

0x00,0x00,0x20,0x00,0x38,0x00,0x00,0x00,

0x40,0x00,0x78,0x00,0x00,0x01,0x80,0x40,

0x70,0x00,0x00,0x03,0x80,0xC0,0xE0,0x00,

0x00,0x07,0x80,0x80,0xC0,0x00,0x00,0x0E,

0x11,0x81,0xC0,0x00,0x00,0x08,0x61,0x01,

0x80,0x00,0x00,0x00,0x23,0x03,0x04,0x00,

0x00,0x02,0x02,0x00,0x06,0x00,0x00,0x1E,

0x04,0x00,0x0F,0x00,0x00,0x1C,0x1F,0x80,

0x1E,0x00,0x00,0x08,0x3F,0x80,0x3C,0x00,

0x00,0x00,0xFF,0x80,0x38,0x00,0x00,0x03,

0xFF,0x80,0x78,0x00,0x00,0x0F,0xF8,0x00,

0xF0,0x00,0x00,0x7F,0xF0,0x00,0xE0,0x00,

0x03,0xFF,0xFC,0x01,0x80,0x00,0x03,0xC0,

0xFF,0x01,0x03,0x80,0x01,0x01,0xFF,0x00,

0x03,0x80,0x00,0x01,0x3F,0x00,0x07,0x80,

0x00,0x02,0x11,0x00,0x07,0x00,0x00,0x00,

0x10,0x00,0x07,0x00,0x00,0x00,0x10,0x00,

0x0E,0x00,0x00,0x08,0x10,0x00,0x1C,0x00,

0x00,0x30,0x10,0x00,0x18,0x00,0x00,0x70,

0x10,0x00,0x30,0x00,0x01,0xE0,0x10,0x00,

0x70,0x00,0x03,0x80,0x10,0x00,0x60,0x00,

0x00,0x00,0x30,0x00,0xE0,0x00,0x00,0x00,

0xF0,0x01,0xC0,0x00,0x00,0x00,0x70,0x03,

0xC0,0x00,0x00,0x00,0x10,0x07,0x80,0x00,

0x00,0x00,0x00,0x0F,0x00,0x00,0x00,0x00,

0x00,0x1E,0x00,0x00,0x00,0x00,0x00,0x3C,

0x00,0x00,0x00,0x00,0x00,0x70,0x00,0x00,

0x00,0x00,0x01,0xC0,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

};

char she48H[]={

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,

0x00,0x00,0x00,0x00,0x00,0x0C,0x00,0x00,

0x00,0x00,0x00,0x0E,0x00,0x00,0x00,0x00,

0x00,0x0E,0x00,0x00,0x00,0x03,0x00,0x07,

0x00,0x00,0x00,0x02,0x00,0x03,0x00,0x00,

0x00,0x02,0x00,0x00,0x00,0x00,0x00,0x02,

0x00,0x00,0xF8,0x00,0x00,0x02,0x00,0x07,

0x86,0x00,0x00,0x02,0x00,0x18,0x03,0x00,

0x00,0x02,0x00,0x00,0x07,0x80,0x00,0x03,

0xF0,0x00,0x07,0x80,0x00,0x0F,0xFC,0x00,

0x0C,0x00,0x00,0x7E,0x3F,0x80,0x00,0x00,

0x01,0xFE,0x1F,0x80,0x00,0x00,0x01,0xE2,

0x39,0x8C,0x00,0x00,0x00,0xC2,0x30,0x08,

0x00,0x00,0x00,0xC2,0x60,0x08,0x00,0x00,

0x00,0xC3,0xE0,0x08,0x60,0x00,0x00,0x7F,

0xE0,0x01,0xE0,0x00,0x00,0x3F,0x80,0x1F,

0xE0,0x00,0x00,0x1E,0x00,0x1F,0x80,0x00,

0x00,0x1E,0x00,0x1F,0x00,0x00,0x00,0x02,

0x38,0x1E,0x00,0x00,0x00,0x07,0xFC,0x1C,

0x00,0x20,0x00,0x07,0xFC,0x18,0x00,0x20,

0x00,0x1F,0x0C,0x10,0x00,0x20,0x00,0x7C,

0x04,0x10,0x00,0x60,0x01,0xF0,0x00,0x10,

0x00,0x60,0x01,0xE0,0x00,0x08,0x00,0xF0,

0x00,0x80,0x00,0x08,0x03,0xF0,0x00,0x00,

0x00,0x07,0xFF,0xF0,0x00,0x00,0x00,0x07,

0xFF,0xF0,0x00,0x00,0x00,0x03,0xFF,0xE0,

0x00,0x00,0x00,0x01,0xFF,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

};

char tun48H[]={

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x0E,0x00,0x00,0x00,0x00,0x00,0x3E,

0x00,0x00,0x00,0x00,0x00,0x7F,0x00,0x00,

0x00,0x00,0x00,0xE0,0x00,0x00,0x00,0x00,

0x03,0xC0,0x00,0x00,0x00,0x00,0x1F,0x00,

0x00,0x00,0x00,0x00,0x7C,0x00,0x00,0x00,

0x00,0x01,0xF8,0x00,0x00,0x00,0x00,0x03,

0xF8,0x00,0x40,0x00,0x00,0x00,0x06,0x07,

0xC0,0x00,0x00,0x00,0x07,0xFF,0xE0,0x00,

0x00,0x00,0x07,0xFF,0xE0,0x00,0x00,0x00,

0x0F,0xFF,0x80,0x00,0x00,0x00,0x7F,0xF8,

0x00,0x00,0x00,0x1F,0xFF,0xF8,0x00,0x00,

0x00,0x1F,0xFF,0xF8,0x00,0x00,0x00,0x1F,

0xFC,0x3C,0x00,0x00,0x00,0x0F,0xF8,0x0E,

0x00,0x00,0x00,0x04,0x70,0x07,0x00,0x00,

0x00,0x00,0x60,0x03,0x80,0x00,0x00,0x00,

0xC0,0x00,0xC0,0x00,0x00,0x01,0x80,0x00,

0x30,0x00,0x00,0x01,0x00,0x3C,0x18,0x00,

0x00,0x02,0x03,0xFF,0x0C,0x00,0x00,0x0C,

0x7F,0xFF,0x8E,0x00,0x00,0x18,0xFF,0xFF,

0xC7,0x80,0x00,0x78,0xFE,0x07,0x87,0xE0,

0x01,0xF0,0x70,0x07,0x03,0xF8,0x07,0xE0,

0x70,0x0E,0x03,0xFE,0x00,0x00,0x38,0x1E,

0x01,0xFE,0x00,0x00,0x3F,0xFE,0x00,0x0C,

0x00,0x00,0x1F,0xFE,0x00,0x00,0x00,0x00,

0x1F,0xFE,0x00,0x00,0x00,0x00,0x0F,0xFE,

0x00,0x00,0x00,0x00,0x04,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

};

char dan48H[]={

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0xFC,0x00,0x00,0x00,0x00,0x07,0xFF,

0x00,0x00,0x00,0x00,0x7F,0xC0,0x80,0x00,

0x00,0x03,0xFF,0x80,0x40,0x00,0x00,0x01,

0xF1,0x80,0x40,0x00,0x00,0x01,0x81,0x80,

0xE0,0x00,0x00,0x00,0x01,0x93,0xF0,0x00,

0x00,0x00,0x01,0xFF,0xF0,0x00,0x00,0x00,

0x21,0xFF,0xF0,0x00,0x00,0x00,0x21,0xF8,

0x00,0x00,0x00,0x00,0x61,0xC0,0x00,0x00,

0x00,0x00,0x61,0x80,0x00,0x00,0x00,0x00,

0xF3,0x00,0x00,0x00,0x00,0x00,0xFF,0x00,

0x00,0x00,0x00,0x01,0xFF,0xC0,0x00,0x00,

0x00,0x03,0xFF,0xF8,0x00,0x00,0x00,0x02,

0x00,0xFC,0x00,0x00,0x00,0x04,0x02,0x1F,

0x00,0x00,0x00,0x08,0x03,0x01,0xC0,0x00,

0x00,0x38,0x03,0x00,0x7C,0x00,0x00,0xF8,

0x07,0xF8,0x3F,0xC0,0x01,0xF0,0x3F,0xFE,

0x3F,0xF8,0x03,0xC1,0xFF,0x0F,0x1F,0xF8,

0x00,0x01,0xE3,0x0F,0x0F,0xF0,0x00,0x01,

0xC3,0x0E,0x00,0x00,0x00,0x01,0x83,0xFC,

0x00,0x00,0x00,0x00,0xC7,0xF8,0x00,0x00,

0x00,0x00,0xFF,0xF8,0x00,0x00,0x00,0x00,

0x7F,0xF0,0x00,0x00,0x00,0x00,0x3F,0x03,

0x80,0x00,0x00,0x00,0x03,0x04,0x00,0x00,

0x00,0x00,0x03,0xF8,0x00,0x00,0x00,0x00,

0x1F,0xF8,0x20,0x00,0x00,0x00,0xFF,0xFF,

0xE0,0x00,0x00,0x07,0xFF,0x81,0xE0,0x00,

0x00,0x07,0xE0,0x00,0xE0,0x00,0x00,0x03,

0x00,0x00,0x60,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

};

char zuo16H[]={

0x18,0xC0,0x18,0xC0,0x19,0x80,0x31,0xFE,

0x33,0xFE,0x76,0xC0,0xF0,0xFC,0xB0,0xFC,

0x30,0xC0,0x30,0xC0,0x30,0xFE,0x30,0xFE,

0x30,0xC0,0x30,0xC0,0x30,0xC0,0x00,0x00,

};

char zhe16H[]={

0x03,0x00,0x03,0x0C,0x1F,0xCC,0x1F,0xD8,

0x03,0x30,0xFF,0xFE,0xFF,0xFE,0x03,0x00,

0x0F,0xF8,0x3F,0xF8,0xEC,0x18,0xCF,0xF8,

0x0C,0x18,0x0F,0xF8,0x0F,0xF8,0x00,0x00,

};

char tian16H[]={

0x00,0x00,0x3F,0xFC,0x3F,0xFC,0x31,0x8C,

0x31,0x8C,0x31,0x8C,0x3F,0xFC,0x3F,0xFC,

0x31,0x8C,0x31,0x8C,0x31,0x8C,0x3F,0xFC,

0x3F,0xFC,0x30,0x0C,0x00,0x00,0x00,0x00,

};

char xue16H[]={

0x33,0x18,0x19,0x98,0x08,0xB0,0x7F,0xFC,

0x7F,0xFC,0x60,0x0C,0x1F,0xF0,0x1F,0xF0,

0x00,0xC0,0x7F,0xFC,0x7F,0xFC,0x01,0x80,

0x01,0x80,0x07,0x80,0x03,0x00,0x00,0x00,

};

char ke16H[]={

0x00,0x00,0x0C,0x18,0xFD,0x98,0xF8,0xD8,

0x18,0x58,0xFE,0x18,0xFE,0x98,0x18,0xD8,

0x3C,0x58,0x7E,0x1E,0xDB,0xFE,0x9B,0xF8,

0x18,0x18,0x18,0x18,0x18,0x18,0x00,0x00,

};

struct Food/定义结构体存储食物的属性/

{

int x; / 食物的坐标 /

int y;

int yes; / 值为0表示屏幕上没有食物,值为1表示屏幕上有食物 /

int color; / 食物颜色 /

}food;

struct Snake/定义结构体存储蛇的属性/

{

int x[N]; / 每一节蛇的坐标 /

int y[N];

int color[N];/存储每一节蛇的颜色/

int node; / 蛇的节数 /

int direction; / 蛇移动的方向 /

int life; / 蛇的生命,如果为1,蛇死,游戏结束 /

}snake;

void init(void)/图形驱动/

{

int driver=DETECT,mode=0;

registerbgidriver(EGAVGA_driver);

initgraph(&driver,&mode,"");

}

void drawmat(char mat,int matsize,int x,int y,int color)/汉字点阵/

{

int i,j,k,m;

m=(matsize-1)/8+1;

for(j=0;j<matsize;j++)

for(i=0;i<m;i++)

for(k=0;k<8;k++)

if(mat[jm+i]&(0x80>>k))

putpixel(x+i8+k,y+j,color);

}

void showword(void)

{/ 调用汉字点阵输出程序,显示标题和作者信息 /

drawmat(cai48H,48,249,-4,7);

drawmat(she48H,48,329,-4,7);

drawmat(tun48H,48,409,-4,7);

drawmat(dan48H,48,489,-4,7);

drawmat(cai48H,48,250,-5,4);

drawmat(she48H,48,330,-5,4);

drawmat(tun48H,48,410,-5,4);

drawmat(dan48H,48,490,-5,4);

/作者 田学科/

drawmat(zuo16H,16,515,465,7);

drawmat(zhe16H,16,530,465,7);

drawmat(tian16H,16,550,465,7);

drawmat(xue16H,16,565,465,7);

drawmat(ke16H,16,580,465,7);

}

void draw(void)/画出四周的墙/

{

if(color==15)

color=0;

setcolor(++color);

setlinestyle(SOLID_LINE,0,1);

for(i=30;i<=600;i+=10)

{

rectangle(i,40,i+10,49);

rectangle(i,451,i+10,460);

}

for(i=40;i<450;i+=10)

{

rectangle(30,i,39,i+10);

rectangle(601,i,610,i+10);

}

}

void prscore(void)

{/ 打印游戏分数 /

char str[10];

setfillstyle(SOLID_FILL,YELLOW);

bar(50,10,200,30);

setcolor(6);

settextstyle(0,0,2);

sprintf(str,"score:%d",score);

outtextxy(55,15,str);

}

void gameover(void)

{

cleardevice(); / 清屏函数 /

for(i=0;i<snakenode;i++)/ 画出蛇死时的位置 /

{

setcolor(snakecolor[i]);

rectangle(snakex[i],snakey[i],snakex[i]+10,snakey[i]+10);

}

prscore(); / 显示分数 /

draw();

showword();

settextstyle(0,0,6);

setcolor(7);

outtextxy(103,203,"GAME OVER");

setcolor(RED);

outtextxy(100,200,"GAME OVER");

}

void gameplay(void)/ 玩游戏的具体过程 /

{

int flag,flag1;

randomize();

prscore();

gamespeed=50000;

foodyes=0;/ foodyes=0表示屏幕上没有食物 /

snakelife=1;/ snakelife=1表示蛇是活着的 /

snakedirection=4;/ 表示蛇的初始方向为向右 /

snakenode=2; / 蛇的初始化为两节 /

snakecolor[0]=2; /两节蛇头初始化为绿色/

snakecolor[1]=2;

snakex[0]=100;snakey[0]=100;

snakex[1]=110;snakey[1]=100;

foodcolor=random(15)+1;

while(1)

{

while(1)

{

if(foodyes==0) / 如果蛇活着 /

{

while(1)

{

flag=1;

foodyes=1;

foodx=random(56)10+40;

foody=random(40)10+50;

for(i=0;i<snakenode;i++)

{

if(foodx==snakex[i]&&foody==snakey[i])

flag=0;

}

if(flag) break;

}

}

if(foodyes)

{

setcolor(foodcolor);

rectangle(foodx,foody,foodx+10,foody+10);

}

for(i=snakenode-1;i>0;i--)

{

snakex[i]=snakex[i-1];

snakey[i]=snakey[i-1];

}

switch(snakedirection)

{

case 1: snakey[0]-=10;break;

case 2: snakey[0]+=10;break;

case 3: snakex[0]-=10;break;

case 4: snakex[0]+=10;break;

}

for(i=3;i<snakenode;i++)

{

if(snakex[i]==snakex[0]&&snakey[i]==snakey[0])

{

gameover();

snakelife=0;

break;

}

}

if(snakex[0]<40||snakex[0]>590||snakey[0]<50||snakey[0]>440)

{

gameover();

snakelife=0;

}

if(snakelife==0)

break;

if(snakex[0]==foodx&&snakey[0]==foody)/蛇吃掉食物/

{

setcolor(0);

rectangle(foodx,foody,foodx+10,foody+10);

snakex[snakenode]=-20;

snakey[snakenode]=-20;

snakecolor[snakenode]=foodcolor;

snakenode++;

foodyes=0;

foodcolor=random(15)+1;

score+=10;

prscore();

if(score%100==0&&score!=0)

{

for(i=0;i<snakenode;i++)/ 画出蛇 /

{

setcolor(snakecolor[i]);

rectangle(snakex[i],snakey[i],snakex[i]+10,snakey[i]+10);

}

sound(200);

delay(50000);delay(50000);delay(50000);

delay(50000);delay(50000);delay(50000);

nosound();

gamespeed-=5000;

draw();

}

else

{

sound(500);

delay(500);

nosound();

}

}

for(i=0;i<snakenode;i++)/ 画出蛇 /

{

setcolor(snakecolor[i]);

rectangle(snakex[i],snakey[i],snakex[i]+10,snakey[i]+10);

}

delay(gamespeed);

delay(gamespeed);

flag1=1;

setcolor(0);

rectangle(snakex[snakenode-1],snakey[snakenode-1],

snakex[snakenode-1]+10,snakey[snakenode-1]+10);

if(kbhit()&&flag1==1)/如果没按有效键就重新开始循环/

{

flag1=0;

key=bioskey(0);

if(key==esc)

exit(0);

else if(key==up&&snakedirection!=2)

snakedirection=1;

else if(key==down&&snakedirection!=1)

snakedirection=2;

else if(key==left&&snakedirection!=4)

snakedirection=3;

else if(key==right&&snakedirection!=3)

snakedirection=4;

}

}

if(snakelife==0)/如果蛇死了就退出循环/

break;

}

}

void main(void)

{

while(1)

{

color=0;

init();

cleardevice();

showword();

draw();

gameplay();

setcolor(15);

settextstyle(0,0,2);

outtextxy(200,400,"CONTINUE(Y/N)");

while(1)

{

key=bioskey(0);

if(key==Y||key==n||key==esc)

break;

}

if(key==n||key==esc)

break;

}

closegraph();

}

监听键盘,按下a时输出b和c,按下ESC终止程序。

#include <stdioh>

#include <conioh>

#include <stdlibh>

int main()

{

char ch;

while(!kbhit())

{

ch = getch();

switch(ch)

{

case 'a':

printf("bc");

break;

case 27:

exit(0);

}

}

return 0;

}

这个程序应该满足你的要求吧。

#include <stdioh>

#include <conioh>

int main(void)

{

while (1)

{

if (!kbhit())

printf("1");

else

{

char c = getch();

if (c == 'a')

{

putchar('2');

getch();

}

}

}

return 0;

}

命令行输入是不响应很多组合键的

所以要想读取快捷键,那么就要从系统层面读取

而不是用库函数

在Windows下可以用key hook

在linux下可以读取input event

#include<iostream>/GetKeyState()函数是windowsh中的函数,当括号内的键被按下时,其值小于0,/

#include<windowsh>/并且只要在只要键处于被按下的状态,其值都会小于0,当键被松开时,其值大于0/

using namespace std;

int main()

{

while(1){

if((GetKeyState(VK_CONTROL)<0)&&(GetKeyState('A')<0)){

cout<<"CONTROL+A";

while(GetKeyState(VK_CONTROL)<0&&GetKeyState('A')<0) ;//只要键被按下,就会有一定的持续时间。

}

}

}

//自己耗费1天半的呕心沥血之作,希望对你有用!

cCharTemp=getchar();主要是接受scanf("%c",&cCharPut);这里按的回车,执行程序时,你输入a,然后回车,实际上缓冲区接受的是两个字符,第一个是'a'第二个是‘\n',scanf("%c",&cCharPut);只把a从缓冲区中取走,但是'\n'还在缓冲区。如果没有getchar这个语句,那么下面的语句scanf("%c",&cCharPut);就会直接读取缓冲区中的'\n‘而不会等到你再去输入字符。而getchar是取走缓冲区中一个字符,把回车给取走,缓冲区空了,你才能再次输入

以上就是关于c语言怎样实现键盘 *** 作全部的内容,包括:c语言怎样实现键盘 *** 作、c语言编贪吃蛇,用什么编译环境,怎么显示贪吃蛇和水果,怎么键盘响应我菜鸟都不算,求指教。、最好用c语言编程,按键位a的时候,键位b和c响应,就是如同是按“1”的时候,输出的是“2”和“3”。等相关内容解答,如果想了解更多相关内容,可以关注我们,你们的支持是我们更新的动力!

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