通讯录第三版

address_list.h

#pragma once#include <stdio.h>#include <string.h>#include <errno.h>#include <stdlib.h>#define DEFAULT_SZ 10#define DEFAULT_INCREMENT 10#define LENGTH#define NAME_MAX 20#define SEX_MAX 5#define TELE_MAX 11#define ADDR_MAX 30typedef struct Info{char name[NAME_MAX];int age;char sex[SEX_MAX];char tele[TELE_MAX];char addr[ADDR_MAX];}Info;typedef struct contact{int num;int capacity;Info *data;}contact;void Initmy_contact(contact *pcon);//初始化结构体void Addcontact(contact *pcon);//添加联系人信息void Delcontact(contact *pcon);//删除指定联系人信息void Searchcontact(contact *pcon);//查找指定联系人信息void Modifycontact(contact *pcon);//修改指定联系人信息void Showcontact(contact *pcon);//显示所有联系人信息void Emptycontact(contact *pcon);//清空所有联系人void Sortcontact(contact *pcon);//以名字或年龄排序所有联系人void save_addr(contact *pcon);//保存联系人信息void load_addr(contact *pcon);//加载联系人信息

address_list.c

#define _CRT_SECURE_NO_WARNINGS 1#include "address_list.h"void Initmy_contact(contact *pcon){pcon->num = 0;pcon->capacity = DEFAULT_SZ;pcon->data = (Info *)calloc(DEFAULT_SZ, sizeof(Info));}void Check_capacity(contact *pcon){if(pcon->num == pcon->capacity){Info *tmp = (Info *)realloc(pcon->data, (pcon->capacity + DEFAULT_INCREMENT)*sizeof(Info));if(tmp != NULL){pcon->data = tmp;pcon->capacity+=DEFAULT_INCREMENT;printf("成功增容\n");}else{printf("%s\n", strerror(errno));exit(EXIT_FAILURE);}}}void Addcontact(contact *pcon){Check_capacity(pcon);printf("请输入名字:");scanf("%s", pcon->data[pcon->num].name);printf("请输入年龄:");scanf("%d", &(pcon->data[pcon->num].age));printf("请输入性别:");scanf("%s", pcon->data[pcon->num].sex);printf("请输入电话:");scanf("%s", pcon->data[pcon->num].tele);printf("请输入地址:");scanf("%s", pcon->data[pcon->num].addr);pcon->num++;printf("添加成功\n");}void Delcontact(contact *pcon){int i =0;int j =0;char name[NAME_MAX] = {0};if(pcon->num == 0){printf("通讯录为空,无法删除!\n");return;}printf("请输入要删除的人名:");scanf("%s", name);for(i=0; i<pcon->num; i++){if(strcmp(name, pcon->data[i].name) == 0){break;}}if(i == pcon->num){printf("要删除的人不存在\n");return;}for(j=i; j<pcon->num-1; j++){pcon->data[j] = pcon->data[j+1];}pcon->num--;printf("删除成功\n");}void Searchcontact(contact *pcon){int i = 0;char name[NAME_MAX] = {0};printf("请输入你要找的人名:");scanf("%s", &name);for(i=0; i<pcon->num; i++){if(strcmp(name, pcon->data[i].name) == 0){printf("%15s  %4s  %5s  %11s  %10s\n","名字", "性别", "年龄", "电话", "地址");printf("%15s  %4d  %5s  %11s  %10s\n",pcon->data[i].name,pcon->data[i].age,pcon->data[i].sex,pcon->data[i].tele,pcon->data[i].addr);return;}}printf("没有你要找的人\n");}void Modifycontact(contact *pcon){int i = 0;char name[NAME_MAX] = {0};printf("请输入要修改的人名:");scanf("%s", name);for(i=0; i<pcon->num; i++){if(strcmp(name, pcon->data[i].name) == 0){printf("请输入名字:");scanf("%s", pcon->data[i].name);printf("请输入年龄:");scanf("%d", &pcon->data[i].age);printf("请输入性别:");scanf("%s", pcon->data[i].sex);printf("请输入电话:");scanf("%s", pcon->data[i].tele);printf("请输入地址:");scanf("%s", pcon->data[i].addr);printf("修改成功\n");return;}}printf("要修改的人不存在\n");}void Showcontact(contact *pcon){int i = 0;if(pcon->num == 0){printf("通讯录为空!\n");return;}printf("%15s  %4s  %5s  %11s  %10s\n", "名字", "年龄", "性别", "电话", "地址");for(i=0; i<pcon->num; i++){printf("%15s  %4d  %5s  %11s  %10s\n",pcon->data[i].name,pcon->data[i].age,pcon->data[i].sex,pcon->data[i].tele,pcon->data[i].addr);}}void Sortcontact(contact *pcon){int i = 0;int j = 0;Info data = {0};int input = 0;if(pcon->num == 0){printf("通讯录为空!\n");return;}printf("####1.按名字   2.按年龄####\n");scanf("%d", &input);switch(input){case 1:{for(i=0; i<pcon->num-1; i++){for(j=0; j<pcon->num-1-i; j++){if(strcmp(pcon->data[j].name, pcon->data[j+1].name) > 0){data = pcon->data[j+1];pcon->data[j+1] = pcon->data[j];pcon->data[j] = data;}}}printf("排序成功\n");return;}case 2:{for(i=0; i<pcon->num-1; i++){for(j=0; j<pcon->num-1-i; j++){if(pcon->data[j].age > pcon->data[j+1].age){data = pcon->data[j+1];pcon->data[j+1] = pcon->data[j];pcon->data[j] = data;}}}printf("排序成功\n");return;}default:printf("输入错误！\n");return;}}void Emptycontact(contact *pcon){memset(pcon->data, 0, (pcon->capacity*sizeof(Info)));pcon->num = 0;printf("成功清空！\n");}void save_addr(contact *pcon){int i = 0;FILE * pf = fopen("通讯录.txt", "w");if(pf == NULL){printf("%s\n", strerror(errno));exit(EXIT_FAILURE);}else{for(i=0; i<pcon->num; i++){fwrite(pcon->data, sizeof(Info), 1, pf);}}fclose(pf);}void load_addr(contact *pcon){int i = 0;FILE * pf = fopen("通讯录.txt", "r");if(pf == NULL){printf("%s\n", strerror(errno));exit(EXIT_FAILURE);}else{while(fread(&(pcon->data[pcon->num]), sizeof(Info), 1, pf)){Check_capacity(pcon);pcon->num++;}}fclose(pf);}

test.c

#define _CRT_SECURE_NO_WARNINGS 1#include "address_list.h"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");}enum option{EXIT,ADD, DEL,SEARCH,MODIFY,SHOW,EMPTY,SORT};int main(){int input = 0;contact my_contact;Initmy_contact(&my_contact);load_addr(&my_contact);do{menu();printf("请输入:");scanf("%d", &input);switch(input){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:save_addr(&my_contact);free(my_contact.data);my_contact.data = NULL;break;default:printf("输入错误！\n");break;}}while(input);return 0;}