使用c语言制作一个控制台的电子时钟，供大家参考，具体内容如下

学习了c语言基本语法后，在学习了time.h的库文件，让我产生了想制作一款电子时钟的念头，那好就开始动手操作吧。

使用到下面这些技术:

首先必须先导入库
`/* 实时数字时钟(和计算机系统时间关联) **

include <time.h> — 必须的时间函数头文件

time_t — 时间类型（time.h 定义）
struct tm — 时间结构，time.h 定义如下：（依需求选用）
int tm_sec;
int tm_min;
int tm_hour;
int tm_mday;
int tm_mon;
int tm_year;
int tm_wday;
int tm_yday;
int tm_isdst;
time(&rawtime); — 获取时间，以秒计，从1970年1月一日起算，存于rawtime
— 获取到当前的秒数,参数为0则函数返回值即为结果
localtime(&rawtime); — 转为当地时间，tm 时间结构
system(“cls”);—命令行清屏获取坐标的代码如下#include <windows.h>
void gotoxy(int x,int y) //光标定位函数，需要包含windos.h头文件
{
COORD coord;
coord.X=x;
coord.Y=y;
SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE),coord);
}源代码:#include <stdio.h>

include <time.h>

include <stdlib.h>

include <conio.h>

include <windows.h>

void gotoxy(int x,int y) //光标定位函数，需要包含windos.h头文件
{
COORD coord;
coord.X=x;
coord.Y=y;
SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE),coord);
}
void dians(){
int x=8;
gotoxy(x3,8);
printf(“ **”);
gotoxy(x3,9);
printf(“ “);
gotoxy(x*3,11);
printf(“ “);
gotoxy(x3,12);
printf(“ *“);

  1. gotoxy(x*6,8);
  2. printf(" **");
  3. gotoxy(x*6,9);
  4. printf(" **");
  5. gotoxy(x*6,11);
  6. printf(" **");
  7. gotoxy(x*6,12);
  8. printf(" **");

}
void draw_numb(int x,int shu){ //判断0-9的数据,通过gotoxy显示出来
if(shu==0){
gotoxy(x,6);
printf(“*“);
gotoxy(x,7);
printf(“ “);
gotoxy(x,8);
printf(“ “);
gotoxy(x,9);
printf(“ “);
gotoxy(x,10);
printf(“ “);
gotoxy(x,11);
printf(“ “);
gotoxy(x,12);
printf(“ “);
gotoxy(x,13);
printf(“ “);
gotoxy(x,14);
printf(“*“);
}
if(shu==1){
gotoxy(x,6);
printf(“ “);
gotoxy(x,7);
printf(“ “);
gotoxy(x,8);
printf(“ “);
gotoxy(x,9);
printf(“ “);
gotoxy(x,10);
printf(“ “);
gotoxy(x,11);
printf(“ “);
gotoxy(x,12);
printf(“ “);
gotoxy(x,13);
printf(“ “);
gotoxy(x,14);
printf(“ “);
}
if(shu==2){
gotoxy(x,6);
printf(“**“);
gotoxy(x,7);
printf(“ “);
gotoxy(x,8);
printf(“ “);
gotoxy(x,9);
printf(“ “);
gotoxy(x,10);
printf(“**“);
gotoxy(x,11);
printf(“ “);
gotoxy(x,12);
printf(“ “);
gotoxy(x,13);
printf(“ “);
gotoxy(x,14);
printf(“**“);
}
if(shu==3){
gotoxy(x,6);
printf(“*“);
gotoxy(x,7);
printf(“ “);
gotoxy(x,8);
printf(“ “);
gotoxy(x,9);
printf(“ “);
gotoxy(x,10);
printf(“**“);
gotoxy(x,11);
printf(“ “);
gotoxy(x,12);
printf(“ “);
gotoxy(x,13);
printf(“ “);
gotoxy(x,14);
printf(“**“);
}
if(shu==4){
gotoxy(x,6);
printf(“ “);
gotoxy(x,7);
printf(“ “);
gotoxy(x,8);
printf(“ “);
gotoxy(x,9);
printf(“ “);
gotoxy(x,10);
printf(“*“);
gotoxy(x,11);
printf(“ “);
gotoxy(x,12);
printf(“ “);
gotoxy(x,13);
printf(“ “);
gotoxy(x,14);
printf(“ “);
}
if(shu==5){
gotoxy(x,6);
printf(“*“);
gotoxy(x,7);
printf(“ “);
gotoxy(x,8);
printf(“ “);
gotoxy(x,9);
printf(“ “);
gotoxy(x,10);
printf(“**“);
gotoxy(x,11);
printf(“ “);
gotoxy(x,12);
printf(“ “);
gotoxy(x,13);
printf(“ “);
gotoxy(x,14);
printf(“**“);
}
if(shu==6){
gotoxy(x,6);
printf(“*“);
gotoxy(x,7);
printf(“ “);
gotoxy(x,8);
printf(“ “);
gotoxy(x,9);
printf(“ “);
gotoxy(x,10);
printf(“**“);
gotoxy(x,11);
printf(“ “);
gotoxy(x,12);
printf(“ “);
gotoxy(x,13);
printf(“ “);
gotoxy(x,14);
printf(“*“);
}
if(shu==7){
gotoxy(x,6);
printf(“*“);
gotoxy(x,7);
printf(“ “);
gotoxy(x,8);
printf(“ “);
gotoxy(x,9);
printf(“ “);
gotoxy(x,10);
printf(“ “);
gotoxy(x,11);
printf(“ “);
gotoxy(x,12);
printf(“ “);
gotoxy(x,13);
printf(“ “);
gotoxy(x,14);
printf(“ “);
}
if(shu==8){
gotoxy(x,6);
printf(“*“);
gotoxy(x,7);
printf(“ “);
gotoxy(x,8);
printf(“ “);
gotoxy(x,9);
printf(“ “);
gotoxy(x,10);
printf(“*“);
gotoxy(x,11);
printf(“ “);
gotoxy(x,12);
printf(“ “);
gotoxy(x,13);
printf(“ “);
gotoxy(x,14);
printf(“*“);
}
if(shu==9){
gotoxy(x,6);
printf(“*“);
gotoxy(x,7);
printf(“ “);
gotoxy(x,8);
printf(“ “);
gotoxy(x,9);
printf(“ “);
gotoxy(x,10);
printf(“*“);
gotoxy(x,11);
printf(“ “);
gotoxy(x,12);
printf(“ “);
gotoxy(x,13);
printf(“ “);
gotoxy(x,14);
printf(“**“);
}
}
void draws(char wei,int shu){//这里定义了6个位置 分别是小时的个位十位，分钟的个位十位和秒钟的个位十位
int x=8;
if(wei==’1’){
draw_numb(x1,shu); //这里调用了 draw_numb函数吧x1是横坐标(也表示第几个位置数)，shu是要显示的数据调过去
} //x1表示第一个位置
if(wei==’2’){
draw_numb(x2,shu);
}
if(wei==’3’){
draw_numb(x4,shu);
}
if(wei==’4’){
draw_numb(x5,shu);
}
if(wei==’5’){
draw_numb(x7,shu);
}
if(wei==’6’){
draw_numb(x8,shu);
}
}
int main()
{ system(“color 1b”);
struct tm *curtime; //结构tm，结构指针curtime，time.h中定义
time_t t; //时间类型变量t，time.h中定义
clock_t start; //结构clock_t，结构变量start，time.h中定义

  1. double th_hour,th_min,th_sec;
  2. do
  3. {    dians();
  4.     t=time(0);    //获取到当前的秒数,参数为0则函数返回值即为结果
  5.     curtime=localtime(&t);    //得到当前系统时间/
  6.     if((double)curtime->tm_hour<=12)  //午前的处理/
  7.     {    gotoxy(5,3);
  9.         printf("AM ");
  10.         //if((double)curtime->tm_hour<10) draws('1',0);   //十点之前在小时数前加零
  11.         draws('1',((int)curtime->tm_hour)/10);
  12.         draws('2',((int)((double)curtime->tm_hour))%10);
  13.     }
  14.     else    //午后的处理
  15.     {    gotoxy(5,3);
  16.         printf("PM ");
  17.         //if((double)curtime->tm_hour-12<10) draws('1',0);//输入0 
  18.         draws('1',(int)curtime->tm_hour/10);
  19.         draws('2',((int)((double)curtime->tm_hour))%10);
  20.     }
  21.     if((double)curtime->tm_min<10) draws('3',0);
  22.     draws('3',(int)curtime->tm_min/10);
  23.     draws('4',(int)curtime->tm_min%10);
  24.     if((double)curtime->tm_sec<10) draws('5',0);
  25.     draws('5',(int)curtime->tm_sec/10);
  26.     draws('6',(int)curtime->tm_sec%10);
  27.     start=clock();
  28.     while(clock()-start<500);  //等待延时1000ms
  29.     system("cls");
  30. }while(!kbhit());    //按任一键退出   
  31. return 0;}`

最后运行截图(完美运行)

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