通讯录（文本版）

与之前三子棋和扫雷一样，将实现函数先封装到头文件contact.h中，之后有两个源文件，test.c程序运行和contact.c的函数实现

Contact.h

#define _CRT_SECURE_NO_WARNINGS 1#include <stdio.h>#include <stdlib.h>#include <string.h>#ifndef _CONTACT_H__#define _CONTACT_H__#define DEFAULT_SZ 3#define DEFAULT_INC 2#define Max_name 20#define Max_sex  10#define Max_tel  12#define Max_addr 20#define FILENAME "contact.dat"typedef struct PeoInfo{char name[Max_name];int age;char sex[Max_sex];char tel[Max_tel];char addr[Max_addr];}PeoInfo;typedef struct Contact{PeoInfo *contact; //数据存放的位置int capacity;     //容量int sz;           }Contact,*pContact;void InitContact(pContact pcontact);void AddContact(pContact pcontact);void ShowContact(const pContact pcontact);void SearchContact(pContact pcontact);int FindContact(pContact pcontact,char name[]);void DelContact(pContact pcontact);void ModifyContact(pContact pcontact);void EmptyContact(pContact pcontact);void SortContact(pContact pcontact);void DistoryContact(pContact pcontact);int CheckContact(pContact pcontact);void LoadContact(pContact pcontact);void SaveContact(pContact pcontact);#endif //_CONTACT_H__

test.c

#define _CRT_SECURE_NO_WARNINGS 1#include "contact.h"enum SEL{EXIT,ADD,DEL,SEARCH,MODIFY,SHOW,EMPTY,SORT};void menu(){printf("**********************************\n");printf("*****    1.add        2.del    ***\n");printf("*****    3.search     4.modify ***\n");printf("*****    5.show       6.empty  ***\n");printf("*****    7.sort       0.exit   ***\n");printf("**********************************\n");}void test(){  int i = 0;     Contact my_contact; InitContact(&my_contact);      do  { menu(); printf("请输入：>"); scanf("%d",&i); switch(i) { case ADD: AddContact(&my_contact);break; case DEL: DelContact(&my_contact);break; case SEARCH: SearchContact(&my_contact);break; case MODIFY: ModifyContact(&my_contact);break; case SHOW: ShowContact(&my_contact);break; case EMPTY: EmptyContact(&my_contact);break; case SORT: SortContact(&my_contact);break; case EXIT: SaveContact(&my_contact); DistoryContact(&my_contact);break; default:printf("选择错误\n"); break; } } while (i);}int main(){ test();return 0;}

contact.c

#define _CRT_SECURE_NO_WARNINGS 1#include "contact.h"void _ADD(PeoInfo *tmp,pContact pcontact){    CheckContact(pcontact);pcontact->contact[pcontact->sz] = *tmp;pcontact->sz++;}void LoadContact(pContact pcontact){PeoInfo tmp = {0};int i = 0;   FILE* pfin = fopen(FILENAME,"r");   if (pfin == NULL)   {   perror("open the file for read");   exit(EXIT_FAILURE);   }   while (fread(&tmp,sizeof(PeoInfo),1,pfin))   {   _ADD(&tmp,pcontact);   }   fclose(pfin);}void SaveContact(pContact pcontact){FILE* pfout = fopen(FILENAME,"w");int i = 0;if (pfout == NULL){perror("open the file for write");exit(EXIT_FAILURE);}    for (i=0; i<pcontact->sz; i++)    {fwrite(pcontact->contact+i,sizeof(PeoInfo),1,pfout);    }fclose(pfout);}void InitContact(pContact pcontact){pcontact->sz = 0;pcontact->contact = (PeoInfo*)malloc(DEFAULT_SZ*sizeof(PeoInfo));    if (NULL == pcontact->contact)    {perror("InitContact::malloc");exit(EXIT_FAILURE);    }memset(pcontact->contact,0,DEFAULT_SZ*sizeof(PeoInfo));    pcontact->capacity = DEFAULT_SZ;LoadContact(pcontact);}void DistoryContact(pContact pcontact){free(pcontact->contact);pcontact->contact = NULL;pcontact->sz = 0;pcontact->capacity = 0;}int CheckContact(pContact pcontact){   if (pcontact->sz == pcontact->capacity)   {  PeoInfo* tmp =  realloc(pcontact->contact, (pcontact->capacity+DEFAULT_INC)*sizeof(PeoInfo));      if (tmp!=NULL)      {  pcontact->contact = tmp;  pcontact->capacity += DEFAULT_INC;  printf("增容成功");  return 1;      }  else  {  return 0;  }   }   return 1;}void AddContact(pContact pcontact){CheckContact(pcontact);if (CheckContact(pcontact)==0){return;}   printf("请输入名字:>");   scanf("%s",pcontact->contact[pcontact->sz].name);   printf("请输入年龄:>");   scanf("%d",&(pcontact->contact[pcontact->sz].age));   printf("请输入性别:>");   scanf("%s",pcontact->contact[pcontact->sz].sex);   printf("请输入电话:>");   scanf("%s",pcontact->contact[pcontact->sz].tel);   printf("请输入地址:>");   scanf("%s",pcontact->contact[pcontact->sz].addr);      pcontact->sz++;   printf("添加成功\n");}void ShowContact(const pContact pcontact){int i = 0;printf("%5s\t%5s\t%5s\t%15s\t%20s\t\n","Name","Age","Sex","Tel","Addr");    for (i=0;i<pcontact->sz;i++)    {printf("%5s\t%5d\t%5s\t%15s\t%20s\t\n",pcontact->contact[i].name,                pcontact->contact[i].age ,pcontact->contact[i].sex ,pcontact->contact[i].tel ,pcontact->contact[i].addr);    }}int FindContact(pContact pcontact,char name[]){int i = 0;for (i=0;i<pcontact->sz;i++){if (strcmp(name,pcontact->contact[i].name)==0){return i;}}return -1;}void SearchContact(pContact pcontact){int ret = 0;char name[Max_name] = {0};printf("请输入需要查找的姓名:>");scanf("%s",name);ret = FindContact(pcontact,name);if (ret == -1){printf("不存在该联系人\n");return;}printf("%5s\t%5s\t%5s\t%15s\t%20s\t\n","Name","Age","Sex","Tel","Addr");printf("%5s\t%5d\t%5s\t%15s\t%20s\t\n",pcontact->contact[ret].name,pcontact->contact[ret].age ,pcontact->contact[ret].sex ,pcontact->contact[ret].tel ,pcontact->contact[ret].addr);return ;}void DelContact(pContact pcontact){int ret = 0;char name[Max_name] = {0};printf("请输入需要删除人的姓名:>");scanf("%s",name); ret = FindContact(pcontact,name);if (ret == -1){printf("不存在该联系人\n");return;}memmove(pcontact->contact+ret,    pcontact->contact+ret+1,   (pcontact->sz-ret-1)*sizeof(PeoInfo));pcontact->sz--;printf("删除成功\n");return ;}void ModifyContact(pContact pcontact){int ret = 0;char name[Max_name] = {0};printf("请输入需要修改人的姓名:>");scanf("%s",name); ret = FindContact(pcontact,name);if (ret == -1){printf("不存在该联系人\n");return;}printf("请重新输入该联系人的信息:>");printf("请输入名字:>");scanf("%s",pcontact->contact[ret].name);printf("请输入年龄:>");scanf("%d",&(pcontact->contact[ret].age));printf("请输入性别:>");scanf("%s",pcontact->contact[ret].sex);printf("请输入电话:>");scanf("%s",pcontact->contact[ret].tel);printf("请输入地址:>");scanf("%s",pcontact->contact[ret].addr);   printf("修改成功\n");printf("%5s\t%5s\t%5s\t%15s\t%20s\t\n","Name","Age","Sex","Tel","Addr");printf("%5s\t%5d\t%5s\t%15s\t%20s\t\n",pcontact->contact[ret].name,pcontact->contact[ret].age ,pcontact->contact[ret].sex ,pcontact->contact[ret].tel ,pcontact->contact[ret].addr);   return;}void EmptyContact(pContact pcontact){InitContact(pcontact);}void SortContact(pContact pcontact){int i = 0;int j = 0;int count = 0;   for (i=0; i<pcontact->sz-1; i++)   {   for (j=0; j<pcontact->sz-i-1; j++)   {   if (strcmp(pcontact->contact[j].name,pcontact->contact[j+1].name)==1)   {   PeoInfo tmp = pcontact->contact[j];               pcontact->contact[j] = pcontact->contact[j+1];   pcontact->contact[j+1] = tmp;   count++;   }   }   if (count!=0)   {   continue;   }   else   return;   }   ShowContact(pcontact);}