通讯录
作者：互联网
实现一个通讯录；
通讯录可以用来存储1000个人的信息，每个人的信息包括：
姓名、性别、年龄、电话、住址
提供方法：
1. 添加联系人信息
2. 删除指定联系人信息
3. 查找指定联系人信息
4. 修改指定联系人信息
5. 显示所有联系人信息
6. 清空所有联系人
7. 以名字排序所有联系人
8. 保存联系人到文件
9. 加载联系人
contact.h
#ifndef ___CONTACT__H__
#define ___CONTACT__H__
#include<stdio.h>
#include <string.h>
#include <stdlib.h>
#include<assert.h>
//#include<vld.h>
enum Oper
{
EXIT,
ADD,
DEL,
SEAR,
SHOW,
CLEAR,
SORT,
DESTORY
};
#define MAX_NAME 10
#define MAX_SEX 5
#define MAX_TELE 11
#define MAX_ADDR 20
#define MAX_NUMBER 1000
#define DEFAULT_SIZE 2
typedef struct PersonInfo
{
char name[MAX_NAME];//姓名
short age;
char sex[MAX_SEX];//性别
char tele[MAX_TELE];
char addr[MAX_ADDR];
}PersonInfo;//每一个人的信息
typedef struct Contact
{
//PersonInfo per[MAX_NUMBER]; 普通版本
PersonInfo *per;
int usedSize;//
int cpaticty;//容量
}Contact;//通讯录
void InitContact(Contact *pcon);
void AddContact(Contact *pcon);
void ShowContact(Contact *pcon);
void DelContact(Contact *pcon);
void ClearContact(Contact *pcon);
void DestoryContact(Contact *pcon);
#endif
contact.c
#define _CRT_SECURE_NO_WARNINGS 1
#include"Contact.h"
void LoadContact(Contact *pcon)
{
FILE *pf = fopen("Contact.bat","rb");
PersonInfo tmp = {0};
if(pf == NULL)
{
return;
}
//fread函数的返回值是：读取成功的字节数
while(fread(&tmp,sizeof(PersonInfo),1,pf) > 0)
{
//必须判断是否为满，如果满了扩容
CheckFullAndRe(pcon);
pcon->per[pcon->usedSize++] = tmp;
}
fclose(pf);
pf = NULL;
}
void InitContact(Contact *pcon)
{
/*pcon->usedSize = 0; 普通版本
memset(pcon->per,0,sizeof(pcon->per));*/
pcon ->usedSize = 0;
pcon->cpaticty = DEFAULT_SIZE;
pcon->per = (PersonInfo *)malloc(
sizeof(PersonInfo) * pcon->cpaticty);
assert(pcon->per != NULL);
LoadContact(pcon);
}
//返回值代表 扩容是否成功 1
static int CheckFullAndRe(Contact *pcon)
{
if(pcon->usedSize == pcon->cpaticty)
{
PersonInfo * ptr = NULL;
ptr = (PersonInfo *)realloc(pcon->per,
sizeof(PersonInfo) * pcon->cpaticty * 2);
if(ptr !=NULL)
{
pcon->per = ptr;
pcon->cpaticty *= 2;
printf("扩容成功\n");
return 1;
}
else
{
return 0;//扩容失败
}
}
return 1;
}
void AddContact(Contact *pcon)
{
/*if(pcon->usedSize == MAX_NUMBER)
{
printf("不好意思老铁，满了\n");
return;
}*/
if(CheckFullAndRe(pcon) != 1)
{
printf("扩容失败\n");
return;
}
printf("请输入姓名：");
scanf("%s",pcon->per[pcon->usedSize].name);
printf("请输入年龄：");
scanf("%d",&(pcon->per[pcon->usedSize].age));
printf("请输入性别：");
scanf("%s",pcon->per[pcon->usedSize].sex);
printf("请输入电话：");
scanf("%s",pcon->per[pcon->usedSize].tele);
printf("请输入住址：");
scanf("%s",pcon->per[pcon->usedSize].addr);
pcon->usedSize++;
printf("添加成功\n");
}
int SearchContact(Contact *pcon)
{
int i = 0;
char name[MAX_NAME] = {0};
if(pcon->usedSize == 0)
{
printf("通讯录为空\n");
return -1;
}
printf("请输入你要删除的姓名：");
scanf("%s",name);
for(i = 0;i < pcon->usedSize;i++)
{
if(strcmp(pcon->per[i].name,name) == 0)
{
return i;
}
}
return -1;
}
void DelContact(Contact *pcon)
{
int index = SearchContact(pcon);
int i = 0;
if(index == -1)
{
printf("查无此人\n");
return;
}
for(i = index;i < pcon->usedSize-1;i++)
{
pcon->per[i] = pcon->per[i+1];
}
pcon->usedSize--;
printf("删除成功\n");
}
void ShowContact(Contact *pcon)
{
int i = 0;
printf("%-10s %-5s %-5s %-11s %-20s\n","姓名","年龄",
"性别","电话","住址");
for(i = 0;i < pcon->usedSize;i++)
{
printf("%-10s %-5d %-5s %-11s %-20s\n",
pcon->per[i].name,pcon->per[i].age,
pcon->per[i].sex,pcon->per[i].tele,
pcon->per[i].addr);
}
}
void ClearContact(Contact *pcon)
{
pcon->usedSize = 0;
}
//...........
void SaveContact(Contact *pcon)
{
int i = 0;
FILE *pf = fopen("Contact.bat","wb");
assert(pf != NULL);
for(i = 0;i < pcon->usedSize;i++)
{
fwrite(pcon->per+i,sizeof(PersonInfo),1,pf);
}
fclose(pf);
pf = NULL;
}
void DestoryContact(Contact *pcon)
{
SaveContact(pcon);
free(pcon->per);
pcon->per = NULL;//预防野指针
pcon->cpaticty = 0;
pcon->usedSize = 0;
}
test.c
#define _CRT_SECURE_NO_WARNINGS 1
#include"Contact.h"
//char *strncpy( char *strDest,
//const char *strSource, size_t count );
char *MyStrncpy(char *dest,const char *src,int count)
{
//char *p = dest;
//while(*dest++ = *src++);
//return p;
char *p = dest;
int i = 0;
while(i < count)
{
*dest = *src;
dest++;
src++;
i++;
}
return p;
}
//char *strncat( char *strDest,
//const char *strSource, size_t count );
char * Mystrncat(char *dest,const char *src,int count)
{
char *p = dest;
int i = 0;
while(*dest != '\0')
{
dest++;
}
//*dest = '\0';
while(i < count)
{
*dest = *src;
dest++;
src++;
i++;
}
return p;
}
//str1和str2比较
int MyStrcmp(const char *str1,const char *str2)
{
while(*str1 == *str2)
{
if(*str1 == '\0')
{
return 0;
}
str1++;
str2++;
}
if(*str1 > *str2)
{
return 1;
}
else
{
return -1;
}
}
int MyStrncmp(const char *str1,const char *str2,int count)
{
int i = 0;
int differ = 0;
while(i < count && ((differ = *str1-*str2)==0) && *str1 != '\0')
{
str1++;
str2++;
i++;
}
return differ;
}
int main()
{
char str1[20] = "billo";
char *str2 = "bit";
int n = MyStrncmp(str1,str2,2);
printf("%d\n",n);
return 0;
}
#if 0
/*
1. 添加联系人信息
2. 删除指定联系人信息
3. 查找指定联系人信息
5. 显示所有联系人信息
6. 清空所有联系人
7. 以名字排序所有联系人
8.更新
**/
void menu()
{
printf("*************欢迎使用XXX通讯录**********\n");
printf("********0.exit***********1.add************\n");
printf("********2.del************3.search***********\n");
printf("********4.show**********5.clear*************\n");
printf("********6.sort***********7.destory***********\n");
printf("***********************************************\n");
}
int main()
{
int input = 0;
Contact con;
InitContact(&con);
do
{
menu();
printf("请输入您的操作：");
scanf("%d",&input);
switch(input)
{
case EXIT:
//DestoryContact(&con);
break;
case ADD:
AddContact(&con);
break;
case DEL:
DelContact(&con);
break;
case SEAR:
break;
case SHOW:
ShowContact(&con);
break;
case CLEAR:
ClearContact(&con);
break;
case SORT:
break;
case DESTORY:
DestoryContact(&con);
break;
default:
break;
}
}while(input);
return 0;
}
#endif
标签：pcon,per,char,int,Contact,通讯录,printf 来源： https://blog.csdn.net/NEFELIBATA_Reset/article/details/95920551