学生通讯录程序:要求用面向对象的类实现学生通讯录程序。基本信息包括学号、姓名、班级、籍贯、手机、QQ号、电子邮箱等信息。具体实现的管理功能如下:(1)输入并显示多个学生信息;(2)可实现学生信息的添加;(3)查询(至少提供按姓名和手机查询两种方式);(4)修改(只提供按照姓名进行修改);(5)删除(依据指定的信息删除如姓名、学号等);(6)文件的导入和导出(从文件中读取若干条通讯录,或者将通讯录输出到文件中)。
#include <stdio.h>
#include <string.h>
#include <cstdlib>
#define N 100
typedef struct telephone
{
char num[25];
char name[25];
char Class[20];
char addr[30];
char tel[25];
char QQ[14];
char mail[50];
} TEL;
void DisplayMenu(); //显示主菜单
void save(TEL a[], int n);
void CreateList(TEL a[], int n); //1.创建通讯录
int AddList(TEL a[], int n); //2.添加学生信息
void InquireListName(TEL a[], int n); //3.按姓名查询通讯录
void InquireListTel(TEL a[], int n); //3.按手机号查询通讯录
void ChangeListName(TEL a[], int n); //4.按姓名修改通讯录
int DelListName(TEL a[], int n); //5.按姓名删除通讯录
int DelListNum(TEL a[], int n); //5.按学号删除通讯录
void DisplayList(TEL a[], int n); //6.显示通讯录
void IntoFile(int n);
int main()
{
struct telephone a[N];
int n,p=0,q=0;
DisplayMenu(); //显示主菜单
printf("输入创建通讯录时初始人数:");
scanf("%d", &n);
while (1)
{
int m;
scanf("%d", &m);
//if( select=='l' )
// break;
switch (m)
{
case 1:
CreateList(a,n); //1.创建通讯录
break;
case 2:
if (AddList(a, n)) //2.添加学生信息
n++;
save(a, n);
break;
case 3:
printf("1.按姓名查询 2.按学号查询\n");
scanf("%d", &p);
if(p==1){InquireListName(a, n);} //3.按姓名查询通讯录
else {InquireListTel(a, n);} //3.按手机号查询通讯录
break;
case 4:
ChangeListName(a, n); //4.按姓名修改通讯录
break;
case 5:
printf("1.按姓名删除 2.按学号删除\n");
scanf("%d", &q);
if(q==1)
{
if (DelListName(a, n)) //5.按姓名删除通讯录
n--;
break;
}
else
{
if (DelListNum(a, n)) //5.按学号删除通讯录
n--;
break;
}
case 6:
DisplayList(a, n); //6.显示通讯录
break;
case 9:
exit(0); //9.退出系统
break;
}
}
return 0;
}
void CreateList(TEL a[], int n) //1.创建通讯录
{
int i;
FILE *fp;
for (i = 0; i < n; i++)
scanf("%s\t%s\t%s\t%s\t%s\t%s\t%s\n", a[i].num, a[i].name,a[i].Class,a[i].addr,a[i].tel,a[i].QQ,a[i].mail);
save(a, n);
}
void save(TEL a[], int n)
{
int i;
FILE *fp;
fp = fopen("stu.dat", "w");
fprintf(fp, "%d\n", n);
for (i = 0; i < n; i++)
fprintf(fp, "%s\t%s\t%s\t%s\t%s\t%s\t%s\n", a[i].num, a[i].name,a[i].Class,a[i].addr,a[i].tel,a[i].QQ,a[i].mail);
}
void DisplayMenu() //1.显示主菜单
{
printf(" 请选择下面的菜单\n\n");
printf("1 创建\n");
printf("2 添加\n");
printf("3 查询\n");
printf("4 修改\n");
printf("5 删除\n");
printf("6 显示\n");
printf("7 从文件导入\n");
printf("8 导出到文件\n");
printf("9.退出\n");
}
void DisplayList(TEL a[], int n) //6.显示通讯录
{
int i;
printf("显示通讯录:\n");
for (i = 0; i < n; i++)
printf("%s\t%s\t%s\t%s\t%s\t%s\t%s\n", a[i].num, a[i].name,a[i].Class,a[i].addr,a[i].tel,a[i].QQ,a[i].mail);
printf("\n");
}
void InquireListName(TEL a[], int n) //3.按姓名查询通讯录
{
int i, flag;
char SearchName[25];
printf("按姓名查询通讯录:\n");
scanf("%s", SearchName);
for (i = 0, flag = 0; i < n; i++)
{
if (strcmp(SearchName, a[i].name) == 0)
{
printf("%s\t", a[i].num);
printf("%s\t", a[i].name);
printf("%s\t", a[i].Class);
printf("%s\t", a[i].addr);
printf("%s\t", a[i].tel);
printf("%s\t", a[i].QQ);
printf("%s\n", a[i].mail);
flag = 1;
break;
}
}
if (flag == 0)
{
printf("未查询到该姓名信息!\n");
}
printf("\n");
}
void InquireListTel(TEL a[], int n) //3.按s手机号查询通讯录
{
int i, flag;
char Searchtel[25];
printf("按学号查询通讯录:\n");
scanf("%s", Searchtel);
for (i = 0, flag = 0; i < n; i++)
{
if (strcmp(Searchtel, a[i].tel) == 0)
{
printf("%s\t", a[i].num);
printf("%s\t", a[i].name);
printf("%s\t", a[i].Class);
printf("%s\t", a[i].addr);
printf("%s\t", a[i].tel);
printf("%s\t", a[i].QQ);
printf("%s\n", a[i].mail);
flag = 1;
break;
}
}
if (flag == 0)
{
printf("未查询到该学号信息!\n");
}
printf("\n");
}
void ChangeListName(TEL a[], int n) //4.按姓名修改通讯录
{
int i, flag;
char SearchName[25];
printf("按姓名修改通讯录:\n");
scanf("%s", SearchName);
for (i = 0, flag = 0; i < n; i++)
{
if (strcmp(SearchName, a[i].name) == 0)
{
strcpy(a[i].name, SearchName);
printf("请输入要修改的学号:");
scanf("%s", a[i].num);
printf("请输入要修改的班级:");
scanf("%s", a[i].Class);
printf("请输入要修改的地址:");
scanf("%s", a[i].addr);
printf("请输入要修改的电话号码:");
scanf("%s", a[i].tel);
printf("请输入要修改的QQ:");
scanf("%s", a[i].QQ);
printf("请输入要修改的邮箱:");
scanf("%s", a[i].mail);
save(a, n);
printf("信息修改完毕!\n");
printf("%s\t%s\t%s\t%s\t%s\t%s\t%s\n", a[i].num, a[i].name,a[i].Class,a[i].addr,a[i].tel,a[i].QQ,a[i].mail);
flag = 1;
break;
}
}
if (flag == 0)
printf("未找到该姓名信息!");
printf("\n");
}
int DelListName(TEL a[], int n) //5.按姓名删除通讯录
{
int i, j;
char SearchName[25];
printf("按姓名删除通讯录:\n");
scanf("%s", SearchName);
for (i = 0; i < n; i++)
{
if (strcmp(a[i].name, SearchName) == 0)
break;
}
if (i >= n)
{
printf("未查询到该姓名信息!按姓名删除通讯录失败!\n");
return 0;
}
else
{
for (j = i; j < n - 1; j++)
a[j] = a[j + 1];
save(a, n);
printf("按姓名删除通讯录成功!\n");
return 1;
}
}
int DelListNum(TEL a[], int n) //5.按学号删除通讯录
{
int i, j, flag;
char SearchNum[25];
printf("按学号删除通讯录:\n");
scanf("%s", SearchNum);
for (i = 0; i < n; i++)
{
if (strcmp(a[i].num, SearchNum) == 0)
break;
}
if (i >= n)
{
printf("未查询到该学号信息!按学号删除通讯录失败!\n");
return 0;
}
else
{
for (j = i; j < n - 1; j++)
a[j] = a[j + 1];
printf("按学号删除通讯录成功!\n");
save(a, n);
return 1;
}
printf("\n");
}
int AddList(TEL a[], int n) //2.添加学生信息
{
int i, flag;
char AddNum[25];
printf("添加通讯录:\n");
printf("请输入要添加的学号:");
scanf("%s", AddNum);
for (i = 0, flag = 0; i < n; i++)
{
if (strcmp(AddNum, a[i].num) == 0)
{
flag = 1;
printf("学号重复!\n");
return 0;
}
}
if (flag == 0)
{
//n++;
printf("学号不重复!请添加信息:\n");
printf("请输入要添加的名字:");
scanf("%s", a[n++].name);
strcpy(a[n].num, AddNum);
printf("请输入要添加的班级:");
scanf("%s", a[n++].Class);
printf("请输入要添加的地址:");
scanf("%s", a[n++].addr);
printf("请输入要添加的电话号码:");
scanf("%s", a[n++].tel);
printf("请输入要添加的QQ:");
scanf("%s", a[n++].QQ);
printf("请输入要添加的邮箱:");
scanf("%s", a[n++].mail);
printf("添加信息成功!\n");
return 1;
}
printf("\n");
}