通讯录代码 C语言 跪求

#include stdio.h

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#include stdlib.h

#include string.h

#include conio.h

#define N 100 void input();//添加新用户函数

void amend();//修改用户信息函数

void delete_client();//删除用户信息函数

void demand_client();//用户信息查询函数

void collect_telephone();//用户信息汇总函数

void save_client(struct telephone message);//保存函数

void demand_name();//按用户名查询

void demand_telephone();//按电话号码查询

struct telephone

{

char client_name[20];

char client_address[30];

char client_telephone[15];

}; //添加新用户函数

void input()

{

struct telephone message;

char reply='y';

char save='y';

while (reply=='y')

{ printf("用户姓名：");

scanf("%s",message.client_name);

printf("电话号码：");

scanf("%s",message.client_telephone); save_client(message);

printf("要继续吗?(y/n):");

scanf(" %c",reply);

}

printf("按任意键返回主菜单……\n");

getchar();

getchar();

} //保存函数

void save_client(struct telephone message)

{

FILE *fp;

fp=fopen("message.dat","a+");

if (fp!=NULL)

{

fwrite(message,sizeof(struct telephone),1,fp);

}

else

{

printf("\n打开文件时出现错误，按任意键返回……\n");

getchar();

return;

}

fclose(fp);

} //修改用户信息函数

void amend()

{

struct telephone message;

FILE *fp;

char amend_name[20];

char reply='y';

char found='y';

char save='y';

int size=sizeof(struct telephone);

while (reply=='y')

{

found='n';

fp=fopen("message.dat","r+w");

if (fp!=NULL)

{

system("cls");

printf("\n请输入要修改的姓名：");

scanf("%s",amend_name);

while ((fread(message,size,1,fp))==1)

{

if ((strcmp(amend_name,message.client_name))==0)

{

found='y';

break;

}

}

if (found=='y')

{ printf("==========================================\n");

printf("\n用户姓名:%s\n",message.client_name);

printf("\n电话号码:%s\n",message.client_telephone);

printf("==========================================\n");

printf("修改用户信息：\n");

printf("\n用户姓名：");

scanf("%s",message.client_name); printf("\n电话号码：");

scanf("%s",message.client_telephone);

printf("\n要保存吗?(y/n):");

scanf(" %c",save);

if (save=='y')

{

fseek(fp,-size,1);

fwrite(message,sizeof(struct telephone),1,fp);

}

}

else

{

printf("无此人信息!\n");

}

}

else

{

printf("打开文件时出现错误，按任意键返回……\n");

getchar();

return;

}

fclose(fp);

printf("要继续吗?(y/n):");

scanf(" %c",reply);

}

printf("按任意键返回主菜单……\n");

getchar();

getchar();

} //删除用户信息函数

void delete_client()

{

struct telephone message[N];

struct telephone temp_str;

struct telephone delete_str;

int i=0,j=0;

char reply='y';

char found='y';

char confirm='y';

char delete_name[20];

FILE *fp;

while (reply=='y')

{

system("cls");

fp=fopen("message.dat","r");

if (fp!=NULL)

{

i=0;

found='n';

printf("\n请输入姓名：");

scanf("%s",delete_name);

while ((fread(temp_str,sizeof(struct telephone),1,fp))==1)

{

if ((strcmp(delete_name,temp_str.client_name))==0)

{

found='y';

delete_str=temp_str;

}//查找要删除的记录

else

{

message[i]=temp_str;

i++;

}//将其它无关记录保存起来

}

}

else

{

printf("打开文件时出现错误，按任意键返回……\n");

getchar();

return;

}

fclose(fp);

if (found=='y')

{

printf("==========================================\n");

printf("用户姓名:%s\n",delete_str.client_name);

printf("电话号码:%s\n",delete_str.client_telephone);

printf("==========================================\n");

}

else

{

printf("无此人信息，按任意键返回……\n");

getchar();

break;

}

printf("确定要删除吗?(y/n):");

scanf(" %c",confirm);

if (confirm=='y')

{

fp=fopen("message.dat","w");

if (fp!=NULL)

{

for(j=0;ji;j++)

{

fwrite(message[j],sizeof(struct telephone),1,fp);

}

printf("记录已删除!!!\n");

}

else

{

printf("打开文件时出现错误，按任意键返回……\n");

getchar();

return;

}

fclose(fp);

}

printf("要继续吗?(y/n):");

scanf(" %c",reply);

}

printf("按任意键返回主菜单……\n");

getchar();

}

//用户信息查询函数

void demand_client()

{

int choice=1;

while (choice!=3)

{

system("cls");

printf("电话查询菜单\n");

printf(" 1 按联系人姓名查询\n");

printf(" 2 按联系人电话号码查询\n");

printf(" 3 返回主菜单\n");

printf("请选择(1-3):");

scanf("%d%*c",choice);

if (choice3)

{

printf("请输入1-6之间的整数\n");

printf("按任意键返回菜单……\n");

getchar();

continue;

}

if (choice==1)

{

demand_name();

}

else if (choice==2)

{

demand_telephone();

}

}

} //按用户名查询

void demand_name()

{

struct telephone message;

FILE *fp;

char amend_name[20];

char reply='y';

char found='y';

while (reply=='y')

{

found='n';

fp=fopen("message.dat","r+w");

if (fp!=NULL)

{

system("cls");

printf("\n请输入姓名：");

scanf("%s",amend_name);

while ((fread(message,sizeof(struct telephone),1,fp))==1)

{

if ((strcmp(amend_name,message.client_name))==0)

{

found='y';

break;

}

}

if (found=='y')

{ printf("==========================================\n");

printf("用户姓名:%s\n",message.client_name); printf("电话号码:%s\n",message.client_telephone);

printf("==========================================\n");

}

else

{

printf("无此人信息!\n");

}

}

else

{

printf("打开文件时出现错误，按任意键返回……\n");

getchar();

return;

}

fclose(fp);

printf("要继续吗?(y/n):");

scanf(" %c",reply);

}

printf("按任意键返回主菜单……\n");

getchar();

getchar();

} //按电话号码查询

void demand_telephone()

{

struct telephone message;

FILE *fp;

char telephone[20];

char reply='y';

char found='y';

while (reply=='y')

{

found='n';

fp=fopen("message.dat","r+w");

if (fp!=NULL)

{

system("cls");

printf("\n请输入电话号码：");

scanf("%s",telephone);

while ((fread(message,sizeof(struct telephone),1,fp))==1)

{

if ((strcmp(telephone,message.client_telephone))==0)

{

found='y';

break;

}

}

if (found=='y')

{ printf("==========================================\n");

printf("用户姓名:%s\n",message.client_name); printf("电话号码:%s\n",message.client_telephone);

printf("==========================================\n");

}

else

{

printf("无此电话号码的有关信息!\n");

}

}

else

{

printf("打开文件时出现错误，按任意键返回……\n");

getchar();

return;

}

fclose(fp);

printf("要继续吗?(y/n):");

scanf(" %c",reply);

}

printf("按任意键返回主菜单……\n");

getchar();

getchar();

} //用户信息汇总函数

void collect_telephone()

{

struct telephone message;

FILE *fp;

fp=fopen("message.dat","r");

if (fp!=NULL)

{

system("cls");

printf("\n用户姓名\t\t电话号码\n");

while ((fread(message,sizeof(struct telephone),1,fp))==1)

{

printf("\n%-24s",message.client_name); printf("%-12s\n",message.client_telephone);

}

}

else

{

printf("打开文件时出现错误，按任意键返回……\n");

getchar();

return;

}

fclose(fp);

printf("按任意键返回主菜单……\n");

getch();

} void main()

{

char choice[10]="";

int len=0;

while (choice[0]!='7')

{ printf("\t==========电话本号码查询系统=============\n"); printf("\t\t 1、添加新联系人\n");

printf("\t\t 2、修改联系人信息\n");

printf("\t\t 3、删除联系人信息\n");

printf("\t\t 4、联系人信息查询\n");

printf("\t\t 5、联系人信息汇总\n");

printf("\t\t 7、退出\n");

printf("\t=========================================\n");

printf("请选择(1-7):");

scanf("%s",choice);

len=strlen(choice);

if (len1)

{

printf("请输入1-6之间的整数\n");

printf("按任意键返回主菜单……\n");

getchar();

getchar();

continue;

} switch (choice[0]) {

case '1':

input();

break;

case '2':

amend();

break;

case '3':

delete_client();

break;

case '4':

demand_client();

break;

case '5':

collect_telephone();

break; default:

break;

}

}

}

C语言的通讯录代码是什么？

#include stdio.h

#include stdlib.h

#include string.h

#include conio.h

#define N 100 void input();//添加新用户函数

void amend();//修改用户信息函数

void delete_client();//删除用户信息函数

void demand_client();//用户信息查询函数

void collect_telephone();//用户信息汇总函数

void save_client(struct telephone message);//保存函数

void demand_name();//按用户名查询

void demand_telephone();//按电话号码查询

struct telephone

{

char client_name[20];

char client_address[30];

char client_telephone[15];

}; //添加新用户函数

void input()

{

struct telephone message;

char reply='y';

char save='y';

while (reply=='y')

{ printf("用户姓名：");

scanf("%s",message.client_name);

printf("电话号码：");

scanf("%s",message.client_telephone); save_client(message);

printf("要继续吗?(y/n):");

scanf(" %c",reply);

}

printf("按任意键返回主菜单……\n");

getchar();

getchar();

} //保存函数

void save_client(struct telephone message)

{

FILE *fp;

fp=fopen("message.dat","a+");

if (fp!=NULL)

{

fwrite(message,sizeof(struct telephone),1,fp);

}

else

{

printf("\n打开文件时出现错误，按任意键返回……\n");

getchar();

return;

}

fclose(fp);

} //修改用户信息函数

void amend()

{

struct telephone message;

FILE *fp;

char amend_name[20];

char reply='y';

char found='y';

char save='y';

int size=sizeof(struct telephone);

while (reply=='y')

{

found='n';

fp=fopen("message.dat","r+w");

if (fp!=NULL)

{

system("cls");

printf("\n请输入要修改的姓名：");

scanf("%s",amend_name);

while ((fread(message,size,1,fp))==1)

{

if ((strcmp(amend_name,message.client_name))==0)

{

found='y';

break;

}

}

if (found=='y')

{ printf("==========================================\n");

printf("\n用户姓名:%s\n",message.client_name);

printf("\n电话号码:%s\n",message.client_telephone);

printf("==========================================\n");

printf("修改用户信息：\n");

printf("\n用户姓名：");

scanf("%s",message.client_name); printf("\n电话号码：");

scanf("%s",message.client_telephone);

printf("\n要保存吗?(y/n):");

scanf(" %c",save);

if (save=='y')

{

fseek(fp,-size,1);

fwrite(message,sizeof(struct telephone),1,fp);

}

}

else

{

printf("无此人信息!\n");

}

}

else

{

printf("打开文件时出现错误，按任意键返回……\n");

getchar();

return;

}

fclose(fp);

printf("要继续吗?(y/n):");

scanf(" %c",reply);

}

printf("按任意键返回主菜单……\n");

getchar();

getchar();

} //删除用户信息函数

void delete_client()

{

struct telephone message[N];

struct telephone temp_str;

struct telephone delete_str;

int i=0,j=0;

char reply='y';

char found='y';

char confirm='y';

char delete_name[20];

FILE *fp;

while (reply=='y')

{

system("cls");

fp=fopen("message.dat","r");

if (fp!=NULL)

{

i=0;

found='n';

printf("\n请输入姓名：");

scanf("%s",delete_name);

while ((fread(temp_str,sizeof(struct telephone),1,fp))==1)

{

if ((strcmp(delete_name,temp_str.client_name))==0)

{

found='y';

delete_str=temp_str;

}//查找要删除的记录

else

{

message[i]=temp_str;

i++;

}//将其它无关记录保存起来

}

}

else

{

printf("打开文件时出现错误，按任意键返回……\n");

getchar();

return;

}

fclose(fp);

if (found=='y')

{

printf("==========================================\n");

printf("用户姓名:%s\n",delete_str.client_name);

printf("电话号码:%s\n",delete_str.client_telephone);

printf("==========================================\n");

}

else

{

printf("无此人信息，按任意键返回……\n");

getchar();

break;

}

printf("确定要删除吗?(y/n):");

scanf(" %c",confirm);

if (confirm=='y')

{

fp=fopen("message.dat","w");

if (fp!=NULL)

{

for(j=0;ji;j++)

{

fwrite(message[j],sizeof(struct telephone),1,fp);

}

printf("记录已删除!!!\n");

}

else

{

printf("打开文件时出现错误，按任意键返回……\n");

getchar();

return;

}

fclose(fp);

}

printf("要继续吗?(y/n):");

scanf(" %c",reply);

}

printf("按任意键返回主菜单……\n");

getchar();

}

//用户信息查询函数

void demand_client()

{

int choice=1;

while (choice!=3)

{

system("cls");

printf("电话查询菜单\n");

printf(" 1 按联系人姓名查询\n");

printf(" 2 按联系人电话号码查询\n");

printf(" 3 返回主菜单\n");

printf("请选择(1-3):");

scanf("%d%*c",choice);

if (choice3)

{

printf("请输入1-6之间的整数\n");

printf("按任意键返回菜单……\n");

getchar();

continue;

}

if (choice==1)

{

demand_name();

}

else if (choice==2)

{

demand_telephone();

}

}

} //按用户名查询

void demand_name()

{

struct telephone message;

FILE *fp;

char amend_name[20];

char reply='y';

char found='y';

while (reply=='y')

{

found='n';

fp=fopen("message.dat","r+w");

if (fp!=NULL)

{

system("cls");

printf("\n请输入姓名：");

scanf("%s",amend_name);

while ((fread(message,sizeof(struct telephone),1,fp))==1)

{

if ((strcmp(amend_name,message.client_name))==0)

{

found='y';

break;

}

}

if (found=='y')

{ printf("==========================================\n");

printf("用户姓名:%s\n",message.client_name); printf("电话号码:%s\n",message.client_telephone);

printf("==========================================\n");

}

else

{

printf("无此人信息!\n");

}

}

else

{

printf("打开文件时出现错误，按任意键返回……\n");

getchar();

return;

}

fclose(fp);

printf("要继续吗?(y/n):");

scanf(" %c",reply);

}

printf("按任意键返回主菜单……\n");

getchar();

getchar();

} //按电话号码查询

void demand_telephone()

{

struct telephone message;

FILE *fp;

char telephone[20];

char reply='y';

char found='y';

while (reply=='y')

{

found='n';

fp=fopen("message.dat","r+w");

if (fp!=NULL)

{

system("cls");

printf("\n请输入电话号码：");

scanf("%s",telephone);

while ((fread(message,sizeof(struct telephone),1,fp))==1)

{

if ((strcmp(telephone,message.client_telephone))==0)

{

found='y';

break;

}

}

if (found=='y')

{ printf("==========================================\n");

printf("用户姓名:%s\n",message.client_name); printf("电话号码:%s\n",message.client_telephone);

printf("==========================================\n");

}

else

{

printf("无此电话号码的有关信息!\n");

}

}

else

{

printf("打开文件时出现错误，按任意键返回……\n");

getchar();

return;

}

fclose(fp);

printf("要继续吗?(y/n):");

scanf(" %c",reply);

}

printf("按任意键返回主菜单……\n");

getchar();

getchar();

} //用户信息汇总函数

void collect_telephone()

{

struct telephone message;

FILE *fp;

fp=fopen("message.dat","r");

if (fp!=NULL)

{

system("cls");

printf("\n用户姓名\t\t电话号码\n");

while ((fread(message,sizeof(struct telephone),1,fp))==1)

{

printf("\n%-24s",message.client_name); printf("%-12s\n",message.client_telephone);

}

}

else

{

printf("打开文件时出现错误，按任意键返回……\n");

getchar();

return;

}

fclose(fp);

printf("按任意键返回主菜单……\n");

getch();

} void main()

{

char choice[10]="";

int len=0;

while (choice[0]!='7')

{ printf("\t==========电话本号码查询系统=============\n"); printf("\t\t 1、添加新联系人\n");

printf("\t\t 2、修改联系人信息\n");

printf("\t\t 3、删除联系人信息\n");

printf("\t\t 4、联系人信息查询\n");

printf("\t\t 5、联系人信息汇总\n");

printf("\t\t 7、退出\n");

printf("\t=========================================\n");

printf("请选择(1-7):");

scanf("%s",choice);

len=strlen(choice);

if (len1)

{

printf("请输入1-6之间的整数\n");

printf("按任意键返回主菜单……\n");

getchar();

getchar();

continue;

} switch (choice[0]) {

case '1':

input();

break;

case '2':

amend();

break;

case '3':

delete_client();

break;

case '4':

demand_client();

break;

case '5':

collect_telephone();

break; default:

break;

}

}

}

大神看看我的C语言通讯录查找函数。输入电话号码查找永远是未查找到

这段代码没有问题

你需要检查一下链表的数据内容，在调用本函数前，用输出语句先遍历一下链表看一下内容吧，估计是建表有问题，或是输入的数据存储不正确。

用C语言编写通讯录时用到哪些库函数啊？

"gotoxy()","moveto()"包含在#include conio.h中了.

转载一个程序给你:(ZT)

算法：将当前时间显示到屏幕，当时间发生变化时，清屏，显示新的时间（当有键盘操作时退出程序）。

显示时间格式：小时：分钟：秒

/* DEV C++ Win XP*/

#include stdio.h

#include stdlib.h

#include conio.h

#include time.h

typedef struct

{

int x;

int y;

}Point;

time_t now;

struct tm *pt,t1,t2;

int printpoint(Point p)

{

Point p1;

p1.x=p.x+2; p1.y=p.y+4;

gotoxy(p1.x,p1.y); printf("%c%c",2,2);

gotoxy(p1.x, p1.y+1); printf("%c%c",2,2);

p1.y+=4;

gotoxy(p1.x,p1.y); printf("%c%c",2,2);

gotoxy(p1.x,p1.y+1); printf("%c%c",2,2);

return 0;

}

int print0(Point p)

{

int i=0;

for(;i13;i++)

{

gotoxy(p.x+1, p.y+i);

if(i==0¦¦i==12)

printf("%c%c%c%c%c%c",2,2,2,2,2,2);

else

printf("%c%4s%c",2," ",2);

}

return 0;

}

int print1(Point p)

{

int i=0;

for(;i13;i++)

{

gotoxy(p.x+1, p.y+i);

printf("%5s%c"," ",2);

}

return 0;

}

int print2(Point p)

{

int i=0;

for(;i13;i++)

{

gotoxy(p.x+1, p.y+i);

if(i==0¦¦i==6¦¦i==12)

printf("%c%c%c%c%c%c",2,2,2,2,2,2);

else if(i0i6)

printf("%5s%c"," ",2);

else

printf("%c",2);

}

return 0;

}

int print3(Point p)

{

int i=0;

for(;i13;i++)

{

gotoxy(p.x+1, p.y+i);

if(i==0¦¦i==6¦¦i==12)

printf("%c%c%c%c%c%c",2,2,2,2,2,2);

else

printf("%5s%c"," ",2);

}

return 0;

}

int print4(Point p)

{

int i=0;

for(;i13;i++)

{

gotoxy(p.x+1, p.y+i);

if(i6) printf("%c%4s%c",2," ",2);

else if(i==6)

printf("%c%c%c%c%c%c",2,2,2,2,2,2);

else printf("%5s%c"," ",2);

}

return 0;

}

int print5(Point p)

{

int i=0;

for(;i13;i++)

{

gotoxy(p.x+1, p.y+i);

if(i==0¦¦i==6¦¦i==12)

printf("%c%c%c%c%c%c",2,2,2,2,2,2);

else if(i0i6)

printf("%c",2);

else

printf("%5s%c"," ",2);

}

return 0;

}

int print6(Point p)

{

int i=0;

for(;i13;i++)

{

gotoxy(p.x+1, p.y+i);

if(i==0¦¦i==6¦¦i==12)

printf("%c%c%c%c%c%c",2,2,2,2,2,2);

else if(i0i6)

printf("%c",2);

else

printf("%c%4s%c",2," ",2);

}

return 0;

}

int print7(Point p)

{

int i=0;

for(;i13;i++)

{

gotoxy(p.x+1, p.y+i);

if(i==0) printf("%c%c%c%c%c%c",2,2,2,2,2,2);

else printf("%5s%c"," ",2);

}

return 0;

}

int print8(Point p)

{

int i=0;

for(;i13;i++)

{

gotoxy(p.x+1, p.y+i);

if(i==0¦¦i==6¦¦i==12)

printf("%c%c%c%c%c%c",2,2,2,2,2,2);

else printf("%c%4s%c",2," ",2);

}

return 0;

}

int print9(Point p)

{

int i=0;

for(;i13;i++)

{

gotoxy(p.x+1, p.y+i);

if(i==0¦¦i==6¦¦i==12)

printf("%c%c%c%c%c%c",2,2,2,2,2,2);

else if(i0i6)

printf("%c%4s%c",2," ",2);

else

printf("%5s%c"," ",2);

}

return 0;

}

int clear(Point p)

{

int i=0;

for(;i13;i++)

gotoxy(p.x,p.y+i); printf("%16s"," ");

return 0;

}

int printtime(Point p, int n)

{

int a,b;

Point pp;

a=n/10, b=n%10;

pp.x=p.x+8, pp.y=p.y;

switch(a)

{

case 0: print0(p); break;

case 1: print1(p); break;

case 2: print2(p); break;

case 3: print3(p); break;

case 4: print4(p); break;

case 5: print5(p); break;

}

switch(b)

{

case 0: print0(pp); break;

case 1: print1(pp); break;

case 2: print2(pp); break;

case 3: print3(pp); break;

case 4: print4(pp); break;

case 5: print5(pp); break;

case 6: print6(pp); break;

case 7: print7(pp); break;

case 8: print8(pp); break;

case 9: print9(pp); break;

}

return 0;

}

int main()

{

Point phour, pmin, psec,point1,point2;

phour.x=9, pmin.x=32, psec.x=55;

phour.y=pmin.y=psec.y=7;

point1.x=25, point2.x=49;

point1.y=point2.y=7;

clrscr();

textbackground(BLUE);

textcolor(YELLOW);

now=time(0);

pt=localtime(now);

t1=*pt;

printtime(phour, t1.tm_hour);

printpoint(point1);

printtime(pmin, t1.tm_min);

printpoint(point2);

printtime(psec, t1.tm_sec);

while(1)

{

now=time(0);

pt=localtime(now);

t2=*pt;

if(t2.tm_sec!=t1.tm_sec)

{

t1=t2;

clrscr();

printtime(phour, t1.tm_hour);

printpoint(point1);

printtime(pmin, t1.tm_min);

printpoint(point2);

printtime(psec, t1.tm_sec);

}

if(bioskey(1)==0) continue;

else exit(0);

}

return 0;

}

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