C语言编程内存分配通讯录静态实现示例代码教程

#define _CRT_SECURE_NO_WARNINGS 1
#ifndef __CONTACT_H__             //防止重定义
#define __CONTACT_H__
#include <stdio.h>
#include <string.h>
#include<stdlib.h> 
enum OP
{
	EXIT,
	ADD,
	DEL,
	SEARCH,
	MODIFY,
	DISPLAY,
	SORT,
	CLEAR
};
#define NAME_MAX 20
#define SEX_MAX 5
#define TELE_MAX 12
#define ADDR_MAX 25
#define MAX 1000
typedef struct PerInfo
{
	char name[NAME_MAX];
	int age;
	char sex[SEX_MAX];
	char tele[TELE_MAX];
	char addr[ADDR_MAX];
}PeoInfo; 
typedef struct Contact
{
	PeoInfo data[MAX];
	int size;
}Contact,*Pcon;
void init_contact(Pcon pcon);
void _add_contact(Pcon pcon);
void _display_contact(Pcon pcon);
void _del_contact(Pcon pcon);
void _search_contact(Pcon pcon);
void _modify_contact(Pcon pcon);
void _sort_contact(Pcon pcon);
void _clear_contact(Pcon pcon); 
#endif 

#include "Contact.h"
void menu()
{
	printf("***** 1.add     2.del    ****\n");
	printf("***** 3.modify  4.search ****\n");
	printf("***** 5.display 6.sort   ****\n");
	printf("***** 7.clear   0.exit   ****\n");
}
int main()
{
	Contact con;
	int input = 1;
	init_contact(&con);
	while(input)
	{
		menu();
		printf("请选择>:");
		scanf("%d",&input);
		switch(input)
		{
		case ADD:
			_add_contact(&con);
			break;
		case DEL:
			_del_contact(&con);
			break;
		case SEARCH:
			_search_contact(&con);
			break;
		case MODIFY:
			_modify_contact(&con);
			break;
		case DISPLAY:
			_display_contact(&con);
			break;
		case SORT:
			_sort_contact(&con);
			break;
		case CLEAR:
			_clear_contact(&con);
			break;
		case EXIT:
			break;
		default:
			printf("选择错误\n");
			break;
		}
	}
	return 0;
}

#include"Contact.h"
void init_contact(Pcon pcon)                                     //进行初始化
{   
	memset(pcon->data, 0, MAX*sizeof(PeoInfo));
	pcon->size = 0;
}
static int find(Pcon pcon,char arr[])                             //由于在修改，删除，查询的地方都需要查找通讯录的元素，所以对find进行封装
{
	int i=0;
	for(i=0;i<pcon->size;i++)
	{
	    if(strcmp(pcon->data[i].name,arr)==0)
			return i;
	}
	return -1;
}
 void _add_contact(Pcon pcon)
 {
	 if(pcon->size<MAX)
	 {
		 printf("准备添加一个新成员！\n");
		 printf("请输入姓名：");
		 scanf("%s",pcon->data[pcon->size].name);
		 printf("请输入性别：");
		 scanf("%s",pcon->data[pcon->size].sex);
		 printf("请输入年龄：");
		 scanf("%d",&(pcon->data[pcon->size].age));
		 printf("请输入住址：");
		 scanf("%s",pcon->data[pcon->size].addr);
		 printf("请输入联系人电话：");
		 scanf("%s",pcon->data[pcon->size].tele);
		 printf("添加成功！\n");
		 (pcon->size)++;                                      //每添加一个人，通讯录总人数得加1
	 }
	 else
	 {
		 printf("通讯录已经满了！\n");
	 }
 } 
void _display_contact(Pcon pcon)
{
   int i=0;
   printf("%s\t%s\t%s\t%s\t%s\n","name","sex","age","tele","addr");
   for(i=0;i<pcon->size;i++)
   {
	   printf("%s\t%s\t%d\t%s\t%s\n",pcon->data[i].name,
		  pcon->data[i].sex,pcon->data[i].age,pcon->data[i].tele,pcon->data[i].addr);
   }
}
void _del_contact(Pcon pcon)
{
	int ret=0;
	char name[NAME_MAX]={0};
	if(pcon->size==0)
	{
		printf("当前通讯录为空！\n");
		return;
	}
	else
	{
		printf("请输入要删除人的姓名：\n");
		scanf("%s",name);
		ret=find(pcon,name);
		if(ret!=-1)
		{
			pcon->data[ret]=pcon->data[(pcon->size)-1];      
			pcon->size--;                                    //删除的方法是将数组中最后一个成员移到要删除的成员位置上
                        printf("删除成功！\n");
		}
		else
		{
			printf("未找到要删除的对象！\n");
		}
 
	}
 
}
void _search_contact(Pcon pcon)
{
	int ret=0;
	char name[NAME_MAX]={0};
	printf("请输入要查找的人的姓名：\n");
	scanf("%s",name);
	ret=find(pcon,name);
	if(ret!=-1)
	{
	   printf("%s\t%s\t%d\t%s\t%s\t",pcon->data[ret].name,
	   pcon->data[ret].sex,pcon->data[ret].age,pcon->data[ret].tele,
	   pcon->data[ret].addr);
	}
	else
		printf("未找到所要查找的人！\n");
}
void _modify_contact(Pcon pcon)  
{  
    int select=0;  
    int ret=0;  
    char modify[20]={0};  
    int year=0;  
    char name[NAME_MAX]={0};  
    printf("请输入要修改的人的姓名：\n");  
    scanf("%s",name);  
    ret=find(pcon,name);  
    if(ret!=-1)  
    {  
	printf("1.name\n 2.sex\n 3.age\n 4.tele\n 5addr\n"); 
        printf("请输入要修改的项：");  
        scanf("%d",&select);   
        switch(select)  
        {  
        case 1:
	    printf("请输入新的名字：");
            scanf("%s",modify);  
            strcpy(pcon->data[ret].name,modify);  
            printf("修改成功！\n");  
            break;  
        case 2:
	    printf("请输入新的性别：");
            scanf("%s",modify);  
            strcpy(pcon->data[ret].sex,modify);  
            printf("修改成功！\n");  
            break;  
        case 3: 
	    printf("请输入新的电话号：");
            scanf("%s",modify);  
            strcpy(pcon->data[ret].tele,modify);  
            printf("修改成功！\n");  
            break;  
        case 4: 
	    printf("请输入新的地址：");
            scanf("%s",modify);  
            strcpy(pcon->data[ret].addr,modify);  
            printf("修改成功！\n");  
            break;  
        case 5:  
            printf("请输入新的年龄：");
            scanf("%s",year);  
            pcon->data[ret].age=year;  
            printf("修改成功！\n");  
            break;  
        default:  
            printf("修改失败！\n");  
            break;  
        }     
    }  
    else  
    {  
        printf("未找到所要修改的人！\n");  
    }  
}  
void _sort_contact(Pcon pcon)
{
	PeoInfo tmp={0};
	int i=0;
	int j=0;
	int flag=0;        //表示有序
	for(i=1;i<(pcon->size)-1;i++)
	{
		flag=0;
		for(j=1;j<(pcon->size)-i-1;j++)
		{
			if(strcmp((pcon->data[j].name),(pcon->data[j+1].name))>0)
 
                          tmp=pcon->data[j];
			  pcon->data[j]=pcon->data[j+1];
			  pcon->data[j+1]=tmp;
			  flag=1;
		}
		if(flag==0)
			break;
	}
 
}
void _clear_contact(Pcon pcon)
{
	pcon->size=0;
	printf("通讯录已清空！\n");
}