手机通讯录源代码

#include

#include

#include

#include

#define N 15 //最大容量为15

typedef struct //定义一个结构

{

char name[10];

char haoma[15];

char leibie[10];

char dizhi[20];

}ren;

//菜单

void menu() //目录

{

system("cls"); //清屏

printf(" ######### 欢迎使用手机通讯录#########\n");

printf("\n");

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

printf(" 1.~~号码查询~~ \n");

printf(" 2.~~号码添加~~ \n");

printf(" 3.~~号码拨号~~ \n");

printf(" 4.~~号码修改~~ \n");

printf(" 5.~~号码删除~~ \n");

printf(" 0. ~~退出~~ \n");

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

printf("\n");

printf(" 个人通讯录\n");

printf("\n");

printf(" ~~请选择相应的功能~~:");

}

void input() //查询

{

int help=0; //帮助指令，如果查找所找的类别中没有数据，显示

ren ry;

FILE *fp;

char leibie[10];

system("cls");

printf("\n 输入要查人员的类别: ");scanf("%s",leibie);//要查询的类别查找失败

if((fp=fopen("ren.dat","rb"))==NULL) {printf("can't open file!\n");exit(0);}

fread(&ry,sizeof(ren),1,fp);

if(!feof(fp))

{ printf(" 人员的信息如下:\n");

printf("说明：（A办公类B个人类C商务类）");

printf("\n%10s %15s %10s %20s \n","姓名","号码","类别","邮箱");

while(!feof(fp))

{

if(strcmp(ry.leibie,leibie)==0) //若为该类别则输出

{ help++;

printf("%10s %15s %10s %20s \n",https://www.360docs.net/doc/2113730960.html,,ry.haoma,ry.leibie,ry.dizhi);

}

fread(&ry,sizeof(ren),1,fp);

}

if(help==0){

printf(" 查找失败!!!");

}

}

// else printf(" 查找失败!!!");

fclose(fp);

getch();

}

//修改:输入人员的姓名,查找该人员，若找到则修改该人员的信息，并显示修改前后的结果；

//号码添加

void search()

{

int n;

FILE *fp; //定义文件指针

ren ry,s; // 定义两个ren结构体的量

if((fp=fopen("ren.dat","ab+"))==NULL)

{printf("can't open file!\n");exit(0);}

printf("\n录入格式姓名号码类别邮箱。当输入姓名为#结束录入\n");

while(1)

{ printf("请输入姓名：");

scanf("%s",https://www.360docs.net/doc/2113730960.html,);

if(strcmp(https://www.360docs.net/doc/2113730960.html,,"#")==0) break; //如果输入#则退出添加

printf("请输入电话号码：");

scanf("%s",ry.haoma);

printf("请输入类别（A办公类B个人类C商务类）：");

scanf("%s",ry.leibie);

printf("请输入邮箱地址：");

scanf("%s",ry.dizhi);

fseek(fp,0,0); //指针定位到文件开始位置fread(&s,sizeof(ren),1,fp);

n=0;

while(!feof(fp))

{

n++;

if(strcmp(s.haoma,ry.haoma)==0)

{printf("号码已经存在,不能记录.\n");break;}//遇到有相同的号码

if(strcmp(https://www.360docs.net/doc/2113730960.html,,https://www.360docs.net/doc/2113730960.html,)==0)

{printf("姓名已经存在,不能记录.\n");break;}//遇到有相同的姓名

fread(&s,sizeof(ren),1,fp);

}

// printf("%d",n);

if(n>N){

break;//内存已满,不能记录.

}

if(feof(fp)) //读到自后也没有相同的号码

fwrite(&ry,sizeof(ren),1,fp); //将信息写入文件

}

fclose(fp); //关闭文件

getchar(); //接受一个输入

}

void modi() //拨号

{ ren ry;

FILE *fp;

char name[10];

system("cls");

printf("\n 输入要拨人员的姓名: ");scanf("%s",name);

if((fp=fopen("ren.dat","rb"))==NULL) {printf("can't open file!\n");exit(0);}

while(!feof(fp))

{ fread(&ry,sizeof(ren),1,fp);

if(strcmp(https://www.360docs.net/doc/2113730960.html,,name)==0)

{ printf("\n\a\a\a\a\a\a %15s\a\a\a\a\a\n",ry.haoma); //输出号码和声音break;

}

}

if(feof(fp)) printf("\n\n 拨号失败!!!");

fclose(fp);

}

void dele()

{ ren ry;

FILE *fp;

char name[10];

system("cls");

if((fp=fopen("ren.dat","rb+"))==NULL) {printf("can't open file!\n");exit(0);} if(!feof(fp))

{printf(" 修改前全部人员的信息如下:\n");

printf("\n%10s %15s %10s %20s \n","姓名","号码","类别","邮箱");

fread(&ry,sizeof(ren),1,fp);

while(!feof(fp))

{

printf("%10s %15s %10s %20s \n",https://www.360docs.net/doc/2113730960.html,,ry.haoma,ry.leibie,ry.dizhi);

fread(&ry,sizeof(ren),1,fp);

}

}

printf("\n 输入要修改人员的姓名: ");scanf("%s",name);

if((fp=fopen("ren.dat","rb+"))==NULL) {printf("can't open file!\n");exit(0);}

while(!feof(fp))

{ fread(&ry,sizeof(ren),1,fp);

if(strcmp(https://www.360docs.net/doc/2113730960.html,,name)==0)

{ printf(" 修改前人员的信息如下:\n");

printf("\n%10s %15s %10s %20s \n","姓名","号码","类别","邮箱");

printf("%10s %15s %10s %20s \n",https://www.360docs.net/doc/2113730960.html,,ry.haoma,ry.leibie,ry.dizhi);

printf("\n请输入该人的号码:");scanf("%s",ry.haoma);

printf("\n类别:");scanf("%s",ry.leibie); //新信息输入

printf("\n邮箱:");scanf("%s",ry.dizhi);

break; //修改完毕退出}

}

if(!feof(fp))

{

printf(" \n 修改后的人的信息如下:\n");

printf("\n%10s %15s %10s %20s \n","姓名","号码","类别","邮箱");

printf("%10s %15s %10s %20s \n",https://www.360docs.net/doc/2113730960.html,,ry.haoma,ry.leibie,ry.dizhi);

fseek(fp,sizeof(ren),1); //指针向前一位定位fwrite(&ry,sizeof(ren),1,fp);

}

else

printf("\n\n 此人不存在，修改失败!!");

getch();

}

//删除:输入人员姓名，若该人员存在，则删除，并显示删除后余下的人员的信息

void bohao()

{ ren ry[N];

FILE *fp;

char name[10];

int i,len,k=-1;

system("cls");

printf("\n 输入要删除的人员姓名: ");scanf("%s",name);

i=0;

if((fp=fopen("ren.dat","rb+"))==NULL) {printf("can't open file!\n");exit(0);}

while(!feof(fp))

{ fread(&ry[i],sizeof(ren),1,fp);

if(feof(fp)) break;

if(strcmp(ry[i].name,name)==0) k=i;

i++;

}

fclose(fp);

//以下是删除后重新写文件

len=i;

if(k>=0)

{ if((fp=fopen("ren.dat","wb+"))==NULL) {printf("can't open file!\n");exit(0);} for(i=0;i

{ if(i==k) continue;

fwrite(&ry[i],sizeof(ren),1,fp);

}

fclose(fp);printf("\n\n 删除成功!!!\n");

}

else printf(" \n\n 删除失败!!!\n");

getch();

}

//菜单选择

void choice()

{

char ch;

while(1)

{

menu();// 显示菜单

ch=getch();//选择菜单if(ch=='0') break;

switch(ch)//判断功能项{

case '1': input();break; case '2':search();break; case '3':modi();break; case '4':dele();break; case '5':bohao();break; }

}

printf("\n欢迎使用!!!\n"); }

//主函数

int main()

{

choice();//调用菜单选择

}