本文实例为大家分享了C语言实现简易通讯录的具体代码,供大家参考,具体内容如下
这两天用C语言编写了一个简易版通讯录(学生信息管理) ,大致功能有添加信息,查看信息(自动按姓名排序,printf输出带颜色字体),查找信息(按姓名查找),删除信息(输入姓名删除相关信息),修改信息(输入修改人的名字,可选择修改其任意信息)和退出 。
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#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#define SIZE 100
typedef struct student STU;
int person = 0;
struct student
{
char name[10];
int num;
int age;
};
void welcome()
{
system ( "clear" );
printf ( "\n\n\n\n\t\t\t========================================" );
printf ( "\n\n\t\t\t\t\tWelcome!\n" );
sleep(3);
}
void menu()
{
system ( "clear" );
printf ( "\n\n\t************************************************************************" );
printf ( "\n\t\t\t\t\t请选择:" );
printf ( "\n\t\t\t\t\t1.添加信息" );
printf ( "\n\t\t\t\t\t2.查看信息" );
printf ( "\n\t\t\t\t\t3.查找信息" );
printf ( "\n\t\t\t\t\t4.删除信息" );
printf ( "\n\t\t\t\t\t5.修改信息" );
printf ( "\n\t\t\t\t\t6.退出" );
printf ( "\n\t************************************************************************" );
}
/*添加信息*/
void AddInfo(STU *s[])
{
system ( "clear" );
printf ( "姓名 学号 年龄\n" );
printf ( "------------------------\n" );
printf ( "请输入信息:(bye结束添加)\n" );
while (1)
{
s[person] = (STU*) malloc ( sizeof (STU));
if (NULL == s[person])
{
printf ( "malloc failure!\n" );
}
scanf ( "%s" , s[person]->name);
if (! strcmp (s[person]->name, "bye" ))
{
break ;
}
scanf ( "%d%d" , &s[person]->num, &s[person]->age);
getchar ();
person++;
}
}
/*查看信息(按姓名排序)*/
void ShowAll(STU *s[])
{
system ( "clear" );
int i, j;
STU *q[1] = {0};
q[0] = (STU *) malloc ( sizeof (STU));
printf ( "information:\n" );
for (i = 0; i < person; i++)
{
for (j = 0; j < person - 1 - i; j++)
{
if ( strcmp (s[j]->name, s[j + 1]->name) > 0)
{
q[0] = s[j];
s[j] = s[j + 1];
s[j + 1] = q[0];
}
}
}
for (i = 0; i < person; i++)
{
printf ( "\e[1;35mname:%s, num:%d, age:%d\e[0m\n" , s[i]->name, s[i]->num, s[i]->age);
}
sleep(3);
getchar ();
}
/*查找信息*/
void Search_name( char *name, STU *s[])
{
int i, n = 0;
for (i = 0; i < person; i++)
{
if ( strcmp (name, s[i]->name) == 0)
{
n++;
printf ( "name:%s, num:%d, age:%d\n" , s[i]->name, s[i]->num, s[i]->age);
}
}
if (n == 0)
{
printf ( "不存在!\n" );
}
}
void SearchInfo(STU *s[])
{
system ( "clear" );
char *name = ( char *) malloc ( sizeof ( char ));
printf ( "请输入要查找的人的名字:\n" );
scanf ( "%s" , name);
Search_name(name, s);
}
/*删除信息*/
void DeleteInfo(STU *s[])
{
system ( "clear" );
int i, n = 0, j;
char del_name[10];
printf ( "请输入要删除的人的名字:\n" );
scanf ( "%s" , del_name);
getchar ();
getchar ();
for (i = 0; i < person; i++)
{
if ( strcmp (del_name, s[i]->name) == 0)
{
n++;
free (s[i]);
for (j = i; j < person - 1; j++)
{
strcpy (s[j]->name, s[j + 1]->name);
s[j]->num = s[j + 1]->num;
s[j]->age = s[j + 1]->age;
}
person--;
}
}
if (n == 0)
{
printf ( "要删除的人不存在!\n" );
}
else
{
printf ( "删除成功!\n" );
}
}
/*修改信息*/
void Change_name( char *name, STU *s[])
{
int i, n = 0, choice;
char *new_name = ( char *) malloc ( sizeof ( char ));
int new_num, new_age;
for (i = 0; i < person; i++)
{
if ( strcmp (name, s[i]->name) == 0)
{
n++;
printf ( "该学生的信息如下:" );
printf ( "name:%s, num:%d, age:%d\n" , s[i]->name, s[i]->num, s[i]->age);
printf ( "----------------------------\n" );
printf ( "请选择要修改的内容(1.name 2.num 3.age):\n" );
scanf ( "%d" , &choice);
switch (choice)
{
case 1:
printf ( "请输入新的名字:\n" );
scanf ( "%s" , new_name);
strcpy (s[i]->name, new_name);
break ;
case 2:
printf ( "请输入新的学号:\n" );
scanf ( "%d" , &new_num);
s[i]->num = new_num;
break ;
case 3:
printf ( "请输入新的年龄:\n" );
scanf ( "%d" , &new_age);
s[i]->age = new_age;
break ;
}
}
}
if (n == 0)
{
printf ( "不存在!\n" );
}
}
void ChangeInfo(STU *s[])
{
system ( "clear" );
char *name = ( char *) malloc ( sizeof ( char ));
printf ( "请输入要修改的人的名字:\n" );
scanf ( "%s" , name);
Change_name(name, s);
}
int main()
{
struct student *s[SIZE] = {0};
int choice;
welcome();
while (1)
{
menu();
printf ( "\nPlease input choice:" );
scanf ( "%d" , &choice);
switch (choice)
{
case 1:
AddInfo(s);
break ;
case 2:
ShowAll(s);
break ;
case 3:
SearchInfo(s);
break ;
case 4:
DeleteInfo(s);
break ;
case 5:
ChangeInfo(s);
break ;
case 6:
exit (0);
break ;
}
}
return 0;
}
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以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。
原文链接:https://blog.csdn.net/qq_41998576/article/details/81367187