#include<stdio.h>
#include<stdlib.h>
#include<string.h>enum operation
{EXIT,		//退出ADD,		//添加SEARCH,		//查找DELETD,		//删除AMEND,		//修改SHOW		//显示
};enum object
{X_NAME,		//名字X_AGE,		//年龄X_TELNUMBER,//电话号码X_ADDRESS	//住址
};#define  max_name 10
#define  max_telnumber 15
#define  max_address  20
#define  init_capacity  2typedef  struct PeopleDate
{char  name[max_name];				//名字short int age;						//年龄char  telnumber[max_telnumber];		//号码char  address[max_address];			//住址
}PeopleDate;typedef  struct  person
{PeopleDate*  data;		//定义联系人相关信息的PeopleDate结构体指针int sz;					//当前存储的个数int capacity;			//当前容量
}person;void menu_operation();			//操作对象菜单
void menu_object();				//信息对象菜单
void init(person* con);			//初始化
void f_add(person* con);		//添加成员
void f_search(person* con);		//查找成员
void f_delete(person* con);		//删除成员
void f_amend(person* con);		//修改成员
void f_show(person* con);		//显示所有成员
int  dilatation(person *pcon);	//扩充容量
void f_empty(person *pcon);		//清空所有成员void menu_operation()
{printf("*****************************************\n");printf("*******0、退出        1、添加     *******\n");printf("*******2、查找        3、删除     *******\n");printf("*******4、修改        5、显示     *******\n");printf("*****************************************\n");
}void menu_object()
{printf("*****************************************\n");printf("*******0、姓名        1、年龄     *******\n");printf("*******2、号码        3、地址     *******\n");printf("*****************************************\n");printf("请输入需要修改的选项：");
}void  init(person *pcon)
{pcon->sz = 0;pcon->capacity = init_capacity;pcon->data = (PeopleDate*)malloc(pcon->capacity*sizeof(PeopleDate));	//实例化指针，给pcon->data分配内存memset(pcon->data, 0, pcon->capacity*sizeof(PeopleDate));				//将pcon->data所指向的空间初始化为0
}int  dilatation(person *pcon)
{PeopleDate* ptr = (PeopleDate*)realloc(pcon->data, (pcon->capacity + init_capacity)*sizeof(PeopleDate));//改变pcon->data所指向的空间大小if (ptr != NULL)//判断扩容是否成功，成功返回1，反之为0{pcon->data = ptr;pcon->capacity += init_capacity;//更新当前实际容量大小return 1;}elsereturn 0;
}void  f_empty(person *pcon)
{//释放掉pcon->data所指向的空间free(pcon->data);pcon->data = NULL;pcon->sz = 0;pcon->capacity = 0;printf("内容已销毁\n");
}void  f_add(person *pcon)
{if (pcon->sz == pcon->capacity)//判断当前联系人个数是否满了{int a = dilatation(pcon);switch (a){case 0: {printf("尝试扩容失败\n");return;}break;case 1:{printf("尝试扩容成功\n");}break;default:  printf("错误\n"); break;}}//给新增加的联系人添加信息printf("姓名：");scanf("%s", pcon->data[pcon->sz].name);printf("年龄：");scanf("%d", &(pcon->data[pcon->sz].age));printf("号码：");scanf("%s", pcon->data[pcon->sz].telnumber);printf("地址：");scanf("%s", pcon->data[pcon->sz].address);printf("添加成功\n");pcon->sz++;//当前联系人个数+1
}void  f_search(person *pcon)
{char  nowname[max_name];int i = 0;printf("请输入需要查找的姓名：");scanf("%s", nowname);for (i = 0; i < pcon->sz; i++){if (strcmp(pcon->data[i].name, nowname) == 0)//判断当前对象是否与要查找的人的姓名相同{printf("姓名：%s\n", pcon->data[i].name);printf("年龄：%d\n", pcon->data[i].age);printf("号码：%s\n", pcon->data[i].telnumber);printf("地址：%s\n", pcon->data[i].address);break;}if (i == pcon->sz - 1)						//如果查到最后一个人则说明没有该联系人printf("无该联系人\n");}
}void  f_delete(person *pcon)
{char  nowname[max_name];int i = 0, j = 0;printf("请输入需要删除人的姓名：");scanf("%s", nowname);for (i = 0; i < pcon->sz; i++){if (strcmp(pcon->data[i].name, nowname) == 0)//判断当前对象是否与要删除的人的姓名相同{j = i;break;}}for (j = i; j < pcon->sz; j++)					//依次向前覆盖，把目标联系人删除{pcon->data[j] = pcon->data[j + 1];}pcon->sz--;										//联系人个数-1printf("已删除\n");
}void  f_amend(person *pcon)
{char  nowname[max_name];int i = 0, j = 0;printf("请输入需要修改人的姓名：");scanf("%s", nowname);for (i = 0; i < pcon->sz; i++){if (strcmp(pcon->data[i].name, nowname) == 0){j = i;break;}}//按照菜单做出相应的信息修改menu_object();scanf("%d", &i);switch (i){case  X_NAME:{printf("请输入姓名：");scanf("%s", pcon->data[j].name);printf("修改完成\n");}break;case  X_AGE:{printf("请输入年龄：");scanf("%d", &(pcon->data[j].age));printf("修改完成\n");}break;case  X_TELNUMBER:{printf("请输入号码：");scanf("%s", pcon->data[j].telnumber);printf("修改完成\n");}break;case  X_ADDRESS:{printf("请输入地址：");scanf("%s", pcon->data[j].address);printf("修改完成\n");}break;default:  printf("命令错误\n"); break;}
}void  f_show(person *pcon)
{int i = 0;printf("当前有%d个联系人\n", pcon->sz);for (i = 0; i < pcon->sz; i++){printf("\n");printf("姓名：%s\n", pcon->data[i].name);printf("年龄：%d\n", pcon->data[i].age);printf("号码：%s\n", pcon->data[i].telnumber);printf("地址：%s\n", pcon->data[i].address);printf("\n");}
}int  main()
{int input = 0;struct person  con;init(&con);do{menu_operation();printf("请输入指令：");scanf("%d", &input);switch (input){case EXIT: 		f_empty(&con); break;case ADD:  		f_add(&con); break;case SEARCH: 	f_search(&con); break;case DELETD: 	f_delete(&con); break;case AMEND: 	f_amend(&con); break;case SHOW: 		f_show(&con); break;default: 		printf("命令无效\n"); break;}} while (input);system("pause");return  0;
}