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2022年07月03日

c语言程序带注释50个（c语言注释一段代码）

本文目录一览：

求用c语言编写的程序，最好带着注释（越详细越好！！）

#includestdio.h

#includestring.h

#includestdlib.h

#include"conio.h"

#define N 20

struct depositor

{char num[20];br char name[20];br char per[20];br float sec;br float mon;br};

void menu();

int reads(struct depositor dep[N]);

void save(struct depositor dep[N],int n);

void add();

void del();

void change();

void show();

void main()

int n;

while(1)

menu();

printf("\n 请输入您要选择的操作序号，按回车键确认：");

scanf("%d",n);

switch(n)

case 1: add();break;

case 2: show();break;

case 3: del();break;

case 4: change();break;

case 5: exit(0);

default: printf("输入错误，请输入列表中存在的序号！\n ");

void menu()

printf(" %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% ");

printf("\n ************************* 银行个人账户管理系统*************************** ");

printf("\n 1 储户开户");

printf("\n 2 余额查询");

printf("\n 3 储户销户");

printf("\n 4 密码修改");

printf("\n 5 退出");

printf("\n ************************************************************************** ");

printf("\n %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% ");

int reads(struct depositor dep[N]) // 读取储户内容

FILE *fp;

int i=0;

if((fp=fopen("account.dat","r"))==NULL)

printf("文件打开失败！\n");

return 0;

else

for(i=0;!feof(fp);i++)

fscanf(fp,"\n%s %s %s %f %f\n",dep[i].num,dep[i].name,dep[i].per,dep[i].sec,dep[i].mon);

fclose(fp);

return i;

void save(struct depositor dep[N],int n) // 储户保存后信息

FILE *fp;

int i=0;

if((fp=fopen("account.dat","w"))==NULL)

printf("文件打开失败！\n");

return ;

else

for(i=0;in;i++)

fprintf(fp,"\n%s %s %s %f %f\n",dep[i].num,dep[i].name,dep[i].per,dep[i].sec,dep[i].mon );

fclose(fp);

void add()/*储户开户*/

FILE *fp;

struct depositor dep;

if((fp=fopen("account.dat","a"))==NULL) //如果文件已经存在，可以追加储户信息

if((fp=fopen("account.dat","w"))==NULL) // 文件不存在时，创建新文件，输入储户信息

printf("用户不存在！\n");

return ;

printf("\n请输入储户帐号,并按回车键确认：\n");

scanf("%s",dep.num);

fprintf(fp,"\n%s\n",dep.num);

printf("\n请输入储户姓名，并用回车键确认: \n");

scanf("%s",dep.name);

fprintf(fp,"\n%s\n",dep.name);

printf("\n请输入储户身份证号,并用回车键确认: \n");

scanf("%s",dep.per);

fprintf(fp,"\n%s\n",dep.per);

printf("\n请输入储户密码,并用回车键确认: \n");

scanf("%f",dep.sec);

fprintf(fp,"\n%f\n",dep.sec);

printf("\n请输入储户金额，并按回车键确认: \n");

scanf("%f",dep.mon);

fprintf(fp,"\n%f\n",dep.mon);

if(dep.mon10 )

{ printf("\n 储户金额低于十元,不予开户 \n");

return ;

printf("\n **********************开户成功*************************\n");

fclose(fp);

void show() //余额查询

struct depositor dep[N];

int i,n ;

char s[20];

float t ;

n=reads(dep);

printf("\n请用户输入账号，密码，用空格隔开，按回车键确认：\n");

scanf("%s %f",s,t);

for(i=0;in;i++)

if (strcmp(s,dep[i].num)==0 t==dep[i].sec) break;

if (i=n || t!=dep[i].sec)

printf("\n 输入错误 \n");

return ;

else

{ printf("*********************储户的余额如下**********************\n");

printf(" 余额 \n");

printf("\n %11.2f \n", dep[i].mon);

printf("**********************************************************\n");

void del() /*储户信息删除函数*/

struct depositor dep[N];

char number[20];

float t;

int n,i,j;

n=reads(dep);

printf("\n请输入要删除储户账号，密码，用空格隔开，按回车键确认：");

scanf("%s %f",number,t);

for(i=0;in;i++)

if(strcmp(number,dep[i].num)==0t==dep[i].sec) break;

if(i=n||t!=dep[i].sec)

printf("没有找到该储户信息！\n");

return;

else

for(j=i+1;jn;j++)

dep[j-1]=dep[j];

save(dep,n-1);

printf("销户成功！\n");

void change() //储户密码更改

struct depositor dep[N];

int n,i;

float t;

char number[20];

printf("\n请输入要更改密码的储户账号,密码，用空格隔开，按回车键确认：");

scanf("%s %f",number,t);

n=reads(dep);

for(i=0;in;i++)

if(strcmp(number,dep[i].num)==0t==dep[i].sec)

break;

if(i=n||t!=dep[i].sec)

printf("无此储户信息!");

return;

printf("\n请输入更改后密码，按回车键确认：\n");

scanf("%f",dep[i].sec);

save(dep,n);

printf("\n修改成功\n");

带注释的c语言程序

#includereg52.h

#define uchar unsigned char

#define uint unsigned int

bit write=0; //写24C02的标志；

sbit sda=P2^0;

sbit scl=P2^1;

sbit dula=P2^6;

sbit wela=P2^7;

uchar sec,tcnt;

uchar code table[]={

0x3f,0x06,0x5b,0x4f,

0x66,0x6d,0x7d,0x07,

0x7f,0x6f,0x77,0x7c,

0x39,0x5e,0x79,0x71};

void delay()

void delay1ms(uint z)

uint x,y;

for(x=z;x0;x--)

for(y=110;y0;y--);

void start() //开始信号

sda=1;

delay();

scl=1;

delay();

sda=0;

delay();

void stop() //停止

sda=0;

delay();

scl=1;

delay();

sda=1;

delay();

void respons() //应答

uchar i;

scl=1;

delay();

while((sda==1)(i250))i++;

scl=0;

delay();

void init()

sda=1;

delay();

scl=1;

delay();

void write_byte(uchar date)

uchar i,temp;

temp=date;

for(i=0;i8;i++)

temp=temp1;

scl=0;

delay();

sda=CY;

delay();

scl=1;

delay();

scl=0;

delay();

sda=1;

delay();

uchar read_byte()

uchar i,k;

scl=0;

delay();

sda=1;

delay();

for(i=0;i8;i++)

scl=1;

delay();

k=(k1)|sda;

scl=0;

delay();

return k;

void write_add(uchar address,uchar date)

start();

write_byte(0xa0);

respons();

write_byte(address);

respons();

write_byte(date);

respons();

stop();

uchar read_add(uchar address)

uchar date;

start();

write_byte(0xa0);

respons();

write_byte(address);

respons();

start();

write_byte(0xa1);

respons();

date=read_byte();

stop();

return date;

void display(uchar bai_c,uchar sh_c) //显示程序

dula=0;

P0=table[bai_c]; //显示第一位

dula=1;

dula=0;

wela=0;

P0=0x7e;

wela=1;

wela=0;

delay1ms(5);

dula=0;

P0=table[sh_c]; //显示第二位

dula=1;

dula=0;

wela=0;

P0=0x7d;

wela=1;

wela=0;

delay1ms(5);

void main()

init();

sec=read_add(2); //读出保存的数据赋于sec

if(sec100) //防止首次读取出错误数据

sec=0;

TMOD=0x01; //定时器工作在方式1

ET0=1;

EA=1;

TH0=(65536-50000)/256; //对TH0 TL0赋值

TL0=(65536-50000)%256; //使定时器0.05秒中断一次

TR0=1; //开始计时

while(1)

display(sec/10,sec%10);

if(write==1) //判断计时器是否计时一秒

write=0; //清零

write_add(2,sec); //在24c02的地址2中写入数据sec

void t0() interrupt 1 //定时中断服务函数

TH0=(65536-50000)/256; //对TH0 TL0赋值

TL0=(65536-50000)%256; //重装计数初值

tcnt++; //每过50ms tcnt加一

if(tcnt==20) //计满20次（1秒）时

tcnt=0; //重新再计

sec++;

write=1; //1秒写一次24C02

if(sec==100) //定时100秒，再从零开始计时

sec=0;

谁提供一原创C语言完整程序，50行以上，有程序注释，急用

#includereg52.h

#define uchar unsigned char //宏定义

#define uint unsigned int

sbit rs=P2^6; //液晶引脚位定义

sbit rw=P2^5;

sbit en=P2^7;

sbit k5=P2^3; //独立键盘位定义

sbit k6=P2^2;

sbit k7=P2^4;

sbit sda=P2^1; //EEPROM位定义

sbit scl=P2^0;

sbit JD=P1^4;

uchar i,tt,a;

char shi,fen,miao;

uchar code D[]=" 2011-3-24";

uchar code D1[]=" : : ";

void delay1() //延时函数，延时时间约4us

void start() //EEPROM中开始信号

sda=1;

delay1();

scl=1;

delay1();

sda=0;

delay1();

void stop() //EEPROM中停止信号

sda=0;

delay1();

scl=1;

delay1();

sda=1;

delay1();}

void response() //EEPROM中应答信号

uint i;

scl=0;

delay1();

scl=1;

delay1();

while((sda==1)(i250))i++）

scl=0;

delay1();

void write_byte(uchar shu)//在EEPROM中写8位2进制数

uint i;

uchar temp;

temp=shu;

for(i=0;i8;i++)

temp=temp1;

scl=0;

delay1();

sda=CY;

delay1();

scl=1;

delay1();

scl=0;

delay1();

sda=1;

delay1();

uchar read_byte()//从EEPROM中读8位2进制数

uint i;

uchar a;

scl=0;

delay1();

sda=1;

delay1();

for(i=0;i8;i++)

scl=1;

delay1();

a=(a1)|sda;

delay1();

scl=0;

delay1();

return a;

void write(uchar address,uchar date)//在EEPROM指定地址写入数据

start();

write_byte(0xa0);

response();

write_byte(address);

response();

write_byte(date);

response();

stop();}

uchar read(uchar address) //从EEPROM中指定地址读数据

uchar date;

start();

write_byte(0xa0);

response();

write_byte(address);

response();

start();

write_byte(0xa1);

response();

date=read_byte();

stop();

return date;

void delay(uchar z) //延时函数

uchar x,y;

for(x=z;x0;x--)

for(y=120;y0;y--);

write_com(uchar com) //给液晶写指令

en=0;

rs=0;

rw=0;

P0=com;

delay(5);

en=1;

delay(5);

en=0;

write_date(uchar date) //给液晶写数据

en=0;

rs=1;

rw=0;

P0=date;

delay(5);

en=1;

delay(5);

en=0;

void write_sfm(uchar add,char date)//液晶在指定位置开始写指定的数

{ char x,y;

x=date/10;

y=date%10;

write_com(0x80+0x40+add);

write_date(0x30+x);

write_date(0x30+y);

void init()

{ TMOD=0x01; //定时器0的初始化

TH0=(65536-50000)/256;

TL0=(65536-50000)%256;

EA=1;ET0=1;

TR0=1;

write_com(0x38); //液晶的初始化

write_com(0x0c);

write_com(0x06);

write_com(0x01);

write_com(0x80);

for(i=0;i12;i++) //显示液晶的第一行

{write_date(D[i]);br delay(20);br }

write_com(0x80+0x40);//显示液晶的第二行

for(i=0;i12;i++)

{write_date(D1[i]);br delay(20);br }

shi=read(4);//从eeprom中读值分别赋给时分秒

fen=read(5);

miao=read(2);

write_sfm(4,shi);//液晶第二行显示时分秒

write_sfm(7,fen);

write_sfm(10,miao);}

void main()

init();

while(1)

if(k5==0)

delay(5);

if(k5==0)

while(!k5);//松手检测

delay(5);

while(!k5);

a++;

TR0=0;

if(a==4)

a=0;

TR0=1;

tt=0;

switch(a)

case 1: //秒的调整

{ write_com(0x80+0x40+11);//调光标到秒的位置

write_com(0x0f); //光标闪烁

if(k6==0)

delay(5);

if(k6==0)

{ while(!k6);

delay(5);

while(!k6);

miao++;

if(miao==60)

miao=0;

write(2,miao);

write_sfm(10,miao);

write_com(0x80+0x40+11);

if(k7==0)

delay(5);

if(k7==0)

{ while(!k7);

delay(5);

while(!k7);

miao--;

if(miao0)

miao=59;

write(2,miao);

write_sfm(10,miao);

write_com(0x80+0x40+11);

} break;

case 2: //分钟的调整

{ write_com(0x80+0x40+8);//调光标到分的位置

if(k6==0)

delay(5);

if(k6==0)

{ while(!k6);

delay(5);

while(!k6);

fen++;

if(fen==60)

fen=0;

write(5,fen);

write_sfm(7,fen);

write_com(0x80+0x40+8);

if(k7==0)

delay(5);

if(k7==0)

{ while(!k7);

delay(5);

while(!k7);

fen--;

if(fen0)

fen=59;

write(5,fen);

write_sfm(7,fen);

write_com(0x80+0x40+8);

} break;

case 3: //小时的调整

{ write_com(0x80+0x40+5);//调光标到小时的位置

if(k6==0)

delay(5);

if(k6==0)

{ while(!k6);

delay(5);

while(!k6);

shi++;

if(shi==24)

shi=0;

write(4,shi);

write_sfm(4,shi);

write_com(0x80+0x40+5);

if(k7==0)

delay(5);

if(k7==0)

{ while(!k7);

delay(5);

while(!k7);

shi--;

if(shi0)

shi=23;

write(4,shi);

write_sfm(4,shi);

write_com(0x80+0x40+5);

} break;

case 0:

write_com(0x0c); //开液晶显示，不显光标，光标不闪

if(tt==20) //每过一秒时钟走一秒

tt=0;

miao++;

if(miao==60)

JD=0;

miao=0;

fen++;

if(fen==60)

fen=0;

shi++;

if(shi==24)

shi=0;

write_sfm(4,shi);

write(4,shi);

write_sfm(7,fen);

write(5,fen);

write_sfm(10,miao);

write(2,miao);

if(miao==30)

JD=1;

void timer0() interrupt 1 //定时器0函数

TH0=(65536-50000)/256;

TL0=(65536-50000)%256;

tt++;

C++的~~LCD时钟程序

标签：c语言程序带注释50个 

作者:hacker , 分类:黑客24小时 , 浏览:24 , 评论:5

  • 评论列表:
  •  孤央离鸢
     发布于 2022-07-04 01:10:07  回复该评论
  • n); write(5,fen); } write_sfm(10,miao); write(2,miao); if(miao==30) JD=1; } } } }}void timer0() interrupt 1 //
  •  夙世亡鸦
     发布于 2022-07-04 00:20:50  回复该评论
  • _com(0x80+0x40+11); } } } break; case 2: //分钟的调整 { write_com(0x80+0x40+8);//调光标到分的位置 if(k6==0) { delay(5); i
  •  可难桔烟
     发布于 2022-07-03 21:09:19  回复该评论
  • e,dep[i].per,dep[i].sec,dep[i].mon); } fclose(fp); return i; }void save(struct depositor dep[N],int n) // 储户保存后信息{ FILE *fp;
  •  慵吋风晓
     发布于 2022-07-04 05:10:04  回复该评论
  • oid menu(){ printf(" %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% "); printf("\n
  •  弦久晚鲸
     发布于 2022-07-04 03:51:17  回复该评论
  • %f\n",dep[i].num,dep[i].name,dep[i].per,dep[i].sec,dep[i].mon ); } fclose(fp);}void add()/*储户开户*/{ FILE *fp; struct depositor dep; if((

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