C语言通讯录管理系统

contact.h

#ifndef __CONTACT_H__ #define __CONTACT_H__ #include <stdio.h>#include <string.h>#include <stdlib.h>#define MAX 1000 #define NAME_MAX 20 #define SEX_MAX 5 #define ADDR_MAX 30 #define TELE_MAX 12 #define DEFAULT_SZ 3#define DEFAULT_INC 2enum{EXIT,ADD,SHOW,DEL,SEARCH,MODIFY,SORT,CLEAR,};typedef struct PeoInfo{char name[NAME_MAX];int age;char sex[SEX_MAX];char addr[ADDR_MAX];char tele[TELE_MAX];}PeoInfo;typedef struct Contact{PeoInfo *data;//数据存储区域int sz;//有效元素个数int capacity;//容量}Contact, *pContact;int find(pContact pcon);void develop_space(pContact pcon);//动态开辟void InitContact(pContact pcon);//初始化通讯录void AddContact(pContact pcon);//添加联系人信息 void ShowContact(const pContact pcon);//显示所有联系人信息 void DelContact(pContact pcon);//删除指定联系人信息 void SearchContact(pContact pcon);//查找指定联系人信息void ModifyContact(pContact pcon);//修改指定联系人信息void SortContach(pContact pcon);//以名字排序所有联系人void ClearContact(pContact pcon);//清空联系人void Swap(PeoInfo* p1, PeoInfo* p2);#endif 

contact.c

#define _CRT_SECURE_NO_WARNINGS 1#include "contact.h"void InitContact(pContact pcon)//初始化{pcon->sz = 0;//memset(pcon->data, 0, MAX*sizeof(PeoInfo));pcon->data = malloc(DEFAULT_SZ*sizeof(PeoInfo));if (pcon->data == NULL){perror("use malloc");exit(EXIT_FAILURE);}memset(pcon->data, 0, DEFAULT_SZ*sizeof(PeoInfo));pcon->capacity = DEFAULT_SZ;}void CheakCapacity(pContact pcon){if (pcon->sz == pcon->capacity){PeoInfo* ptr = realloc(pcon->data, pcon->capacity + DEFAULT_INC);if (ptr == NULL){perror("realloc");exit(EXIT_FAILURE);}else{pcon->data = ptr;}pcon->capacity += DEFAULT_INC;printf("增容成功\n");}}void AddContact(pContact pcon)//增加联系人信息{CheakCapacity(pcon);printf("输入联系人的信息:\n");printf("姓名:");scanf("%s", pcon->data[pcon->sz].name);printf("年龄:");scanf("%2d", &pcon->data[pcon->sz].age);printf("性别:");scanf("%s", pcon->data[pcon->sz].sex);printf("地址:");scanf("%s", pcon->data[pcon->sz].addr);printf("电话:");scanf("%s", pcon->data[pcon->sz].tele);pcon->sz++;printf("添加成功\n");}void ShowContact(const pContact pcon)//显示所有联系人信息{int i = 0;printf("姓名\t年龄\t性别\t地址\t\t电话\n");for (i = 0; i < pcon->sz; i++){printf("%s\t %2d\t %s\t %s\t\t %s\n",pcon->data[i].name, pcon->data[i].age,pcon->data[i].sex, pcon->data[i].addr, pcon->data[i].tele);}}static int find(char* c,pContact pcon){int j = 0;for (; j < pcon->sz; j++){if (strcmp(c, pcon->data[j].name) == 0){return j;}}return -1;}void SearchContact(pContact pcon)//查找指定联系人信息{char name[NAME_MAX] = { 0 };printf("请输入需要查找的联系人姓名：");scanf("%s", &name);int j=find(name,pcon);if (j != -1){printf("姓名\t年龄\t性别\t地址\t电话\n");printf("%s\t%d\t%s\t%s\t%s\n",pcon->data[j].name, &pcon->data[j].age,pcon->data[j].sex, pcon->data[j].addr,pcon->data[j].tele);}elseprintf("对不起，没有你要查找的联系人\n");}void DelContact(pContact pcon)//删除指定联系人信息 {int i=0;char name[NAME_MAX] = { 0 };printf("请输入需要删除的联系人姓名：");scanf("%s", &name);int m = find(name, pcon);if (m != -1){for (; m < pcon->sz - 1; m++){pcon->data[i] = pcon->data[i + 1];}pcon->sz--;printf("删除成功\n");}elseprintf("对不起，没有你要删除的联系人\n");}void ModifyContact(pContact pcon)//修改指定联系人信息{char name[NAME_MAX] = { 0 };printf("请输入需要修改的联系人姓名：");scanf("%s", &name);int m = find(name, pcon);if (m != -1){printf("姓名:");scanf("%s", pcon->data[m].name);printf("年龄:");scanf("%2d", &pcon->data[m].age);printf("性别:");scanf("%s", pcon->data[m].sex);printf("地址:");scanf("%s", pcon->data[m].addr);printf("电话:");scanf("%s", pcon->data[m].tele);printf("修改成功\n");}else{printf("对不起，没有你要修改的联系人\n");}}void Swap(PeoInfo* p1, PeoInfo* p2)//交换函数{PeoInfo tmp;tmp = *p1;*p1 = *p2;*p2 = tmp;}void SortContach(pContact pcon)//以名字排序所有联系人{int i, j;for (i = 0; i < pcon->sz - 1; i++){for (j = 0; j < pcon->sz - 1-i; j++){if (strcmp(pcon->data[j].name, pcon->data[j + 1].name)>0){Swap(&(pcon->data[j]), (&pcon->data[j + 1]));}}}printf("排序成功\n");}void ClearContact(pContact pcon)//清空联系人{pcon->sz = 0;/*memset(pcon->data, 0, pcon->sz*sizeof(pcon->data[0]));*/}void free_space(pContact pcon){free(pcon->data);pcon->data = NULL;}

test.c

#define _CRT_SECURE_NO_WARNINGS 1#include "contact.h"void menu(){printf("\t\t*************         通讯录          **************\n");printf("\t\t***1.增加联系人信息              2.显示联系人信息***\n");printf("\t\t***3.删除联系人信息              4.查找联系人信息***\n");printf("\t\t***5.修改联系人信息              6.排序联系人信息***\n");printf("\t\t***7.清空所有联系人              0.  退出 系统  ****\n");printf("\t\t请输入你要选择的功能:>");}int main(){int input = 0;PeoInfo pcon[MAX];//通讯录结构体数组  InitContact(pcon);do{menu();scanf("%d", &input);switch (input){case EXIT:exit(0);break;case ADD:AddContact(&pcon);break;case SHOW:ShowContact(&pcon);break;case DEL:DelContact(&pcon);break;case SEARCH:SearchContact(&pcon);break;case MODIFY:ModifyContact(&pcon);break;case SORT:SortContach(&pcon);break;case CLEAR:ClearContact(&pcon);break;default:break;}} while (input);free_space(&pcon);system("pause:");return 0;}