Question

c语言程序设计——编一个通讯录管理程序：序号 姓名 电话 地址

c语言程序设计——编一个通讯录管理程序：序号 姓名 电话 地址
可显示已录入的通讯录
实现新纪录的录入
可以删除、修改任何一条记录
可以根据姓名、电话、或地址查询相关信息
系统的退出
嗯，邮箱，962625910@qq.com

Answer 1

（晚了）这是我以前的一个作业，你可以借鉴一下

#include <string.h>
#include<iostream>
#include <stdio.h>
#include <malloc.h>
#include <stdlib.h>
#include <conio.h>
using namespace std;
#define LEN sizeof(struct friends)
#define CODE_SIZE 10
struct friends
{

char num[20];//编号
char name[100];//用户姓名
char phone[20];//电话号码
char home[100];//通讯地址
char email[100]; //email
char occupation[100];//工作
char birthday[20];//出生日期
struct friends *next;
};
int password()
{
FILE *fp;
char s1[CODE_SIZE], s2[CODE_SIZE], s3[CODE_SIZE], fun;
while (1)
{
fp = fopen("password.txt", "r");
if (fp == NULL)
{
printf("第一次运行,请输入初始密码（最多8位）:\n");
scanf("%s", s1);
printf("请再次输入初始密码:\n");
scanf("%s", s2);
if (strcmp(s1, s2) == 0)
{
fp = fopen("password.txt", "w+");
if (fp == NULL)
{
printf("创建文件失败退出\n");
getch();
exit(1);
}
else
{
//对s1加密
for (int i = 0; i<CODE_SIZE&&s1[i] != ' '; i++)
{
s1[i] = s1[i] + i;
}

fputs(s1, fp);
printf("初始密码创建完成.\n");
}
}
else
{
printf("两次输入的密码不一致!\n");
}
fclose(fp);
}
else
{
fgets(s1, CODE_SIZE, fp);
fclose(fp);

printf("输入密码：\n");
scanf("%s", s2);
//对s1解密
for (int i = 0; i<CODE_SIZE&&s1[i] != ' '; i++)
{
s1[i] = s1[i] - i;
}
loop:
if (strcmp(s1, s2) == 0)
{

printf("-----密码正确-----\n");
printf("-----请选择功能-----\n");
printf("-----1:修改密码-----\n");
printf("-----2:进入通讯录-----\n");
scanf("%d", &fun);
switch (fun)
{
case 1: printf("请输入新密码\n");
scanf("%s", s1);
printf("请再次输入新密码\n");
scanf("%s", s2);
if (strcmp(s1, s2) == 0)
{
fp = fopen("password.txt", "w+");
if (fp == NULL)
{
printf("文件错误!\n");
}
else
{ //对s1加密
for (int i = 0; i<CODE_SIZE&&s1[i] != ' '; i++)
{
s1[i] = s1[i] + i;
}
fputs(s1, fp);
fclose(fp);
printf("密码修改成功\n");
}
}
else
{
printf("两次输入的密码不一致，修改失败\n");
}

break;
case 2: return 1;
default: printf("无效指令\n");
}

}
else
{
printf("密码错误\n请重新输入\n");
scanf("%s", s2);
goto loop;

}
}
printf("------------------\n\n\n\n");
}
}
void face(void)//功能选择面板
{
cout << "********************************************************************" << endl;
cout << "\t\t\t☆★欢迎使用***通讯录☆★" << endl;
cout << "\n\n\t☆★选择你需要操作的功能:★☆" << endl;
cout << "\t\t\t1.增加通讯录信息" << endl;
cout << "\t\t\t2.显示通讯录中所有记录" << endl;
cout << "\t\t\t3.删除需要删除的信息" << endl;
cout << "\t\t\t4.以名字查询所需的信息" << endl;
cout << "\t\t\t5.保存并退出" << endl;
cout << "\t\t\t6.退出不保存!!" << endl;

cout << "********************************************************************" << endl;
}
void print(struct friends *head)
{
struct friends *p;
p = head;
system("CLS");
cout << "*************************************************************" << endl;
cout << "==================== → 用户信息记录表 ← ===================" << endl;
cout << "*************************************************************" << endl;
if (head != NULL)
do
{
cout << "联系人编号:" << p->num << endl;
cout << "联系人姓名:" << p->name << endl;
cout << "联系人电话号码:" << p->phone << endl;
cout << "联系人地址:" << p->home << endl;
cout << "联系人电子邮箱：" << p->email << endl;
cout << "联系人职业" << p->occupation << endl;
cout << "联系人出生日期:" << p->birthday << endl;
cout << "********************************************************" << endl;
p = p->next;
} while (p != NULL);
else
{
cout << "对不起!!没有任何联系人记录!!" << endl;
cout << "=============================================================\n" << endl;
}
}
//增添电子通讯录中的内容，即创建连表过程
struct friends *append(struct friends *head)
{
struct friends *p0 = NULL, *p1, *p2;
p1 = head;
p2 = head;
system("CLS");
cout << "********************************************************************" << endl;
cout << "\t\t你能在此目录下创建并添加联系人信息" << endl;
cout << "********************************************************************" << endl;
p0 = (struct friends *)malloc(LEN);
cout << "请输入联系人编号:" << endl;
gets(p0->num);
cout << "请输入联系人姓名:" << endl;
gets(p0->name);
cout << "请输入联系人电话号码:" << endl;
gets(p0->phone);

cout << "请输入联系人地址:" << endl;
gets(p0->home);
cout << "请输入联系人Email：" << endl;
gets(p0->email);
cout << "请输入联系人职位：" << endl;
gets(p0->occupation);
cout << "请输入联系人出生日期:" << endl;
gets(p0->birthday);
//对插入的节点排序，按姓名的拼音顺序
if (head == NULL)
{
head = p0; p0->next = NULL;
}
else
{
while ((strcmp(p0->name, p1->name)>0) && (p1->next != NULL))
{
p2 = p1; p1 = p1->next;
}
if ((strcmp(p0->name, p1->name)) <= 0)
{
if (head == p1)
head = p0;
else
p2->next = p0;
p0->next = p1;
}
else
{
p1->next = p0; p0->next = NULL;
}

cout << "恭喜你!!成功添加了联系人信息!!" << endl;
cout << "********************************************************************" << endl;
}
return(head);

}

//电子通讯录的维护（删除），通过输入联系人ID号码删除联系人数据
struct friends *del(struct friends *head)
{
struct friends *p1, *p2;
char num[12];
system("CLS");
cout << "********************************************************************" << endl;
cout << "================= → 用户信息记录删除功能 ← ===============" << endl;
cout << "********************************************************************" << endl;
printf("输入要删除的联系人编号:");
gets(num);
p1 = head;
if (head == NULL)
{
cout << "很抱歉!!没有任何联系人纪录!!" << endl;
cout << "*******************************************************" << endl;
return(head);
}
while (p1 != NULL)
{
if (strcmp(p1->num, num) == 0)
{
if (p1 == head)
head = p1->next;
else p2->next = p1->next;
free(p1);
cout << "删除记录成功!!" << endl;
return(head);
}
p2 = p1;
p1 = p1->next;
}
cout << "对不起!!没有要删除的联系人纪录!!\n" << endl;
return(head);
}

//电子通讯录的查找，关键字为用户姓名；
void search(struct friends *head)
{
struct friends *p1, *p2;
char name[20];
p1 = head;
p2 = p1;
system("CLS");
cout << "***************************************************************" << endl;
cout << "================ → 用户信息记录查询功能 ← ==================\n" << endl;
cout << "***************************************************************" << endl;
cout << "输入要查找联系人的姓名:" << endl;
gets(name);
while (p1 != NULL)
{
if (strcmp(p1->name, name) == 0)
{
cout << "联系人编号:" << endl;
puts(p1->num);
cout << "联系人姓名:" << endl;
puts(p1->name);
cout << "联系人电话号码:" << endl;
puts(p1->phone);
cout << "联系人地址:" << endl;
puts(p1->home);
cout << "联系人电子邮箱：" << p1->email << endl;
puts(p1->email);
cout << "联系人职业" << p1->occupation << endl;
puts(p1 ->occupation);
cout << "联系人出生日期:" << endl;
puts(p1->birthday);
cout << "=============================================================" << endl;
break;
}
p2 = p1;
p1 = p1->next;
}
if (p1 == NULL)
cout << "对不起!!没有该联系人的纪录!!" << endl;

}
void save(struct friends *head)
{
FILE *fp, *fp1;
struct friends *p;
p = head;
fp = fopen("record.txt", "w");
fp1 = fopen("record.txt", "w");
fprintf(fp1, "=============== → 用户信息记录表 ← =================\n");

while (p != NULL)
{

fprintf(fp1, "====================================================\n");
fprintf(fp1, "联系人编号:%s\n", p->num);
fprintf(fp1, "联系人姓名:%s\n", p->name);
fprintf(fp1, "联系人电话:%s\n", p->phone);
fprintf(fp1, "联系人家庭地址:%s\n", p->home);
fprintf(fp1, "联系人电子邮箱：%s\n", p->email);
fprintf(fp1, "联系人职业：%s\n", p->occupation);
fprintf(fp1, "联系人出生日期:%s\n", p->birthday);
p = p->next;
}
fprintf(fp1, "*************************************************************\n");
fclose(fp1);
fclose(fp);
cout << "成功储存，你能在record.txt找到相应纪录" << endl;
cout << "**************************************************************" << endl;
cout << "PRESS ANY KEY TO EXIT." << endl;
getchar();
exit(1);
}
//电子通讯录的记录读盘操作，使用文件指针；
struct friends *load(void)
{
FILE *fp;
struct friends *head = NULL, *p1 = NULL, *p2 = NULL;
char c;
int i;
fp = fopen("record.txt", "r");
for (i = 1; (c = fgetc(fp)) != -1; i++)
{
p1 = (struct friends *)malloc(LEN);
//fscanf(fp,"%s %s %s %s %s %s",p1->num,p1->name,p1->phone,p1->email,p1->home,p1->birthday);
if (i == 1)
{
head = p1; p2 = p1;
}
else
{
p2->next = p1; p2 = p1;
}
}
if (p1 == NULL)
{
fclose(fp); return(head);
}
p2->next = NULL;
fclose(fp);
return(head);
}

int main()
{
FILE *fp1, *fp2;
int a;//功能选择需要的号码
system("cls");
system("cls");
struct friends *head = NULL;
if ((fp1 = fopen("record.txt", "r")) == NULL)
{
fp2 = fopen("record.txt", "w");//如果不存在record.txt就创建一个
fclose(fp2);
}
head = load();

password();
system("cls");
while (1)
{
face();
printf("选择你需要操作的功能号码:");
cin >> a;
getchar();
switch (a)
{
case 1:head = append(head); break;
case 2:print(head); break;
case 3:head = del(head); break;
case 4:search(head); break;
case 5:save(head); break;
case 6:exit(0); break;
default:cout << "Enter error!!" << endl;
}

cout << "◇◆请按ENTER返回功能操作菜单◇◆" << endl;

getchar();
system("cls");

}

}

Answer 2

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <conio.h>
#define SIZE 30

struct inform
{
char num[20];
char name[20];
char adrr[30];
}student[SIZE];

void inter_face()
{
printf (" <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<信息管理系统1.0.0>>>>>>>>>>>>>>>>>>>>>>>>>>>>>\n\n\n");
printf (" 1---------------------显示所有数据\n");
printf (" 2---------------------添加一个新的信息\n");
printf (" 3---------------------删除一个旧的信息\n");
printf (" 4---------------------查找\n");
printf (" 0---------------------退出系统\n");
printf (" 请输入选项并确定：");
}

void put_in() //向文件中读入数据一次
{ FILE *fp;
int c;
if ((fp=fopen("e:\\123.txt","a"))==NULL)
printf ("open file error!!");

printf ("学号：\n");

c=getchar();
while (c!='\n')
{
fputc(c,fp);
c=getchar();

}fputc(' ',fp);

printf("姓名：\n");
c=getchar();
while (c!='\n')
{
fputc(c,fp);
c=getchar();

}
fputc('\n',fp);

fclose(fp);
}

int load(inform student[]) //加载存储文件数据
{FILE *fp;
int t=0,i;
if ((fp=fopen("e:\\123.txt","r"))==NULL)
printf ("打开文件失败！");
while(!feof(fp))
{
for (i=0;i<20;i++)
{
student[t].num[i]=fgetc(fp);
if (student[t].num[i]==' ')
{
break;
}

}
for (i=0;i<20;i++)
{
student[t].name[i]=fgetc(fp);
if (student[t].name[i]=='\n')
{
break;
}

}
t++;
}
fclose(fp);
return t;
}

void display(int t1) //显示存储文件中所有数据
{int i,j;
for (j=0;j<t1-1;j++)
{printf("学号：");
for (i=0;i<20;i++)
printf ("%c",student[j].num[i]);
printf("\n");
printf ("姓名：");
for (i=0;i<20;i++)
printf ("%c",student[j].name[i]);
printf ("\r------------------\n");

}
printf("-------------------------------->数据总数：%d\n",t1-1);
}

void search(int t) //搜索指定号码并显示搜索结果
{int i,j,l=0,k[SIZE]={0},h[SIZE]={0},max,hx=0,hy=-1;
char a[20],c;
printf ("\n\n\n 1------------按学号查找\n");
printf (" \n 2------------按姓名查找\n");
printf ("选择《1》或《2》：");
c=getchar();
getchar();

if(c=='1')
{
printf ("\n\n请输入要搜索的学号：");
for (i=0;i<20;i++)
{
if ((a[i]=getchar())=='\n')
break;
else l++;

}

for (i=0;i<t-1;i++)
for (j=0;j<=l;j++)
if(a[j]==student[i].num[j])
k[i]++;
max=k[0];
for (i=0;i<t-1;i++)
{
if (k[i]>max)
{
max=k[i];

}

}

for (i=0;i<t-1;i++)
{
if (k[i]==max)
h[hx++]=i;

}

if (max!=0)
{
printf ("系统共搜索%d个结果：\n",hx);
for (j=0;j<hx;j++)
{

printf ("姓名：");
for(i=0;i<20;i++)
printf ("%c",student[h[j]].name[i]);

printf ("\n学号：");
for (i=0;i<20;i++)
printf ("%c",student[h[j]].num[i]);
printf ("\n\n");
}
}
else printf ("共搜索到%d个结果!\n",max);
}
else if (c=='2')
{
printf ("请输入要查询的姓名：");
for (i=0;i<20;i++)
{
if ((a[i]=getchar())=='\n')
break;
else l++;

}

for (i=0;i<t-1;i++)
{
for (j=0;j<l;j++)
if (a[j]!=student[i].name[j])
{ hx++;

}
if (hx==0)
{
hy=i;
break;
}

hx=0;
}
if (hy>0)
{
printf ("\n\r搜索到的结果：\n");
printf ("姓名：");
for(i=0;i<20;i++)
printf ("%c",student[hy].name[i]);

printf ("\n学号：");
for (i=0;i<20;i++)
printf ("%c",student[hy].num[i]);
printf ("\n\n");
}
else printf ("搜索到0个结果！\n");
}
else
{
printf ("---------->不正确的选项！\n");
}

}

int delet_n(int t)//删除一组数据
{
int i,j,k=0,m=0,x;
char c;
FILE *fp;
char n[20];
if ((fp=fopen("e:\\123.txt","w"))==NULL)
printf ("创建文件失败！！\n");
printf ("\n1<----------------按学号删除\n");
printf ("2<--------------------------------按名称删除\n");
printf ("请选择：");
c=getchar();
getchar();
if (c=='1')
{
printf ("输入要删除的学号：");
for (i=0;i<20;i++) //输入要删除的学号
if ((n[i]=getchar())=='\n')
break;
else k++;

for (i=0;i<t-1;i++)//选出内存中的数据编码
{
for (j=0;j<=k;j++)
if (n[j]==student[i].num[j])
m++;
if (m==k)
{ x=i;
break;

}
m=0;
}
}
else if (c=='2')
{
printf ("请输入名称：");
for (i=0;i<20;i++) //输入要删除的姓名
if ((n[i]=getchar())=='\n')
break;
else k++;

for (i=0;i<t-1;i++) //选出内存中的数据编码
{
for (j=0;j<k;j++)
if (n[j]==student[i].name[j])
m++;

if (m==k)
{ x=i;
break;

}
m=0;
}

}

//向文件输出更改后的数据
if(i<t-1)
{
for (i=0;i<t-1;i++)
{
if (i!=x)
{j=0;

while(student[i].num[j]!=' ')
fputc(student[i].num[j++],fp);

fputc(' ',fp);
j=0;
while(student[i].name[j]!='\n')
fputc(student[i].name[j++],fp);

fputc('\n',fp);
}
}
printf ("删除成功!\n");
}
else {
printf ("删除失败！\n");//删除失败恢复原有数据
for (i=0;i<t-1;i++)
{

j=0;

while(student[i].num[j]!=' ')
fputc(student[i].num[j++],fp);

fputc(' ',fp);
j=0;
while(student[i].name[j]!='\n')
fputc(student[i].name[j++],fp);

fputc('\n',fp);

}

}
fclose(fp);

return 0;
}
void encrypt() //信息加密
{

}

int main() //主函数
{

int t1,t;
char choice;

inter_face();
choice=getchar();

while (1)
{getchar();
system("cls");
system("cls");
switch(choice)
{
case '2':put_in();break;
case '3': t1=load(student);delet_n(t1); break;
case '1': t1=load(student);display(t1);break;
case '4':t1=load(student);search(t1);break;
case '0': t=1;break;
default: break;
}
inter_face();
if (t==1)
break;

choice=getchar();

}

return 0;
}

这是以前做的.用VC++写的；你自己看一下吧 该一点就可以完全实现你搜要的功能了；
不要忘记给分啊

Answer 3

简单通讯录管理程序，代码如下：#include <stdio.h>
#include <string.h>
#include <stdlib.h>

typedef struct student *ST;
struct student
{
char stN[20];
char stVal[128];
char stNo[10];
char stTel[12];
ST next;
};
ST head = NULL;
int ShowNode()
{
char no[20] = {0};
ST t;

printf("输入姓名:");
scanf("%s", no);
for (t = head; t; t = t->next)
{
if (!memcmp(t->stN, no, strlen(no)))
{
printf("姓名：%s, 地址：%s 邮编：%s 电话：%s\n", t->stN, t->stVal, t->stNo, t->stTel);
return 0;
}
}
printf("无此人信息\n");
return 0;
}

int ChangeNode()
{
char no[20];
ST t;

printf("输入姓名:");
scanf("%s", no);
for (t = head; t; t = t->next)
{
if (!memcmp(t->stN, no, strlen(no)))
{
printf("输入新的记录：\n");
printf("地址：");
scanf("%s", t->stVal);
printf("邮编：");
scanf("%s", t->stNo);
printf("英语成绩：");
scanf("%s", t->stTel);
return 0;
}
}
printf("无此人信息\n");
return 0;
}

int InsertNode()
{
ST t;
t = (ST)malloc(sizeof *t);
printf("输入姓名：");
scanf("%s", t->stN);
printf("输入地址：");
scanf("%s", t->stVal);
printf("输入邮编：");
scanf("%s", t->stNo);
printf("输入电话：");
scanf("%s", t->stTel);
t->next = head;
head = t;
return 0;
}

int DelNode()
{
ST x, y;
char no[20] = {0};

printf("输入姓名:");
scanf("%s", no);
for (x = y = head; x; y = x, x = x->next)
{
if (!memcmp(x->stN, no, strlen(no)))
{
if (x ==y)
{
x = head = head->next;
y->next = NULL;
free(y);
return 0;
}
else
{
y->next = x->next;
x->next = NULL;
free(x);
return 0;
}
}
}
printf("无此学生\n");
return 0;
}

int main(void)
{
int i;
while(1)
{
printf("查询记录：1\n"
"更改记录：2\n"
"插入记录：3\n"
"删除记录：4\n"
"退出：5\n");
scanf("%d", &i);
if (1==i)
{
ShowNode();
}
else if(2==i)
{
ChangeNode();
}
else if(3==i)
{
InsertNode();
}
else if(4==i)
{
DelNode();
}
else if(5==i)
{
break;
}
else
{
printf("输入错误！请重新输入！\n");
continue;
}
}
return 0;
}

Answer 4

你可以自己看哈 C++

Answer 5

代码有点长，最好留个邮箱号