【C語言】通訊錄：動態開闢內存版和文件版本

動態開闢內存：

tellist.h

#ifndef __TELLIST_H__
#define __TELLIST_H__

#define NAME 10
#define SEX 5
#define TEL 12
#define ADDR 20
#define MAX 50

typedef struct PEOPLE
{
	char name[NAME];
	char sex[SEX];
	int age;
	char tel[TEL];
	char addr[ADDR];
}Peo,*peo;

typedef struct Con
{
	Peo num[MAX];
	int count;
}peoCon,*con;

void start(con peo);
void ADD_PEO(con peo);
void DEL_PEO(con peo);
void SEL_PEO(con peo);
void MOD_PEO(con peo);
void SHOW_PEO(con peo);
void EMPTY_PEO(con peo);
void SORT_PEO(con peo);


#endif


fun.c


#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
#include<string.h>
#include<stdlib.h>
#include"tellist.h"

//初始化

void start(con peo)
{
	memset(peo->num, 0, MAX*sizeof(struct PEOPLE));
	peo->count = 0;
}
//動態開闢
void mem_play(con peo)
{
	con* p = peo;
	p = realloc(p, MAX*sizeof(struct PEOPLE));
	if (p != NULL)
	{
		peo = p;
	}
}

//添加聯繫人信息

void ADD_PEO(con peo)
{
	if (peo->count <= MAX)
	{
		printf("姓名\t 性別 \t年齡 \t電話 \t住址\n");
		scanf("%s", peo->num[peo->count].name);
		scanf("%s", peo->num[peo->count].sex);
		scanf("%2d", &peo->num[peo->count].age);
		scanf("%s", peo->num[peo->count].tel);
		scanf("%s", peo->num[peo->count].addr);
		peo->count ++;
		printf("添加成功！\n\n");
	}
	else
	{
		mem_play(peo);
		peo->count += MAX;
	}
}


//刪除
int find(char *c, con peo)
{
	int i = 0;
	for (; i<peo->count; i++)
	{
		if (strcmp(c, peo->num[i].name) == 0)
			return i;

	}
	return -1;
}
void DEL_PEO(con peo)
{
	char name[NAME];
	int index = 0;
	printf("請輸入你想刪除的名字：");
	scanf("%s", name);
	index = find(name, peo->num[peo->count].name);
	for (; index <= peo->count - 1; index++)
	{
		peo->num[index] = peo->num[index + 1];
	}
	peo->count--;
	printf("刪除成功！\n");
}

//查詢
void SEL_PEO(con peo)
{
	char name[NAME];
	int i = 0;
	printf("請輸入你想查找的名字：");
	scanf("%s", name);
	i = find(name, peo->num[i].name);
	printf("姓名\t年齡\t性別\t電話\t\t地址\n");
	printf("%s\t%d\t%s\t%s\t\t%s\n", peo->num[i].name, peo->num[i].age, peo->num[i].sex, peo->num[i].tel, peo->num[i].addr);
}

//修改
void MOD_PEO(con peo)
{
	char nam[NAME];
	int i = 0;
	printf("請輸入你想修改的人：");
	scanf("%s", nam);
	i = find(nam, peo->num[peo->count].name);
	peo->num[i] = peo->num[-1];
	printf("姓名\t 性別 \t年齡 \t電話 \t住址\n");
	scanf("%s\t", peo->num[peo->count].name);
	scanf("%s\t", peo->num[peo->count].sex);
	scanf("%d\t", peo->num[peo->count].age);
	scanf("%s\t", peo->num[peo->count].tel);
	scanf("%s", peo->num[peo->count].addr);
	printf("修改成功！\n");
}
//顯示所有聯繫人信息
void SHOW_PEO(con peo)
{
	int i = 0;
	printf("姓名\t年齡\t性別\t電話\t\t地址\n");
	for (i = 0; i<peo->count; i++)
	{
		printf("%s\t%2d\t%s\t%s\t\t%s\n", peo->num[i].name, &peo->num[i].age, peo->num[i].sex, peo->num[i].tel, peo->num[i].addr);
	}
}
//清空
void EMPTY_PEO(con peo)
{
	peo->count = 0;
}
//排序
int swap_string(const void *elem1, const void *elem2)
{
	return strcmp(*(char**)elem1, *(char**)elem2);
}
//void SORT_PEO(con peo)
//{
//	qsort(peo->num[].name, peo->count, sizeof(char*), swap_string);
//
//	my_print(arr3, sz);
//}

main.c

#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
#include<string.h>
#include<stdlib.h>
#include"tellist.h"

//通訊錄
enum OP
{
	EXIT,
	ADD,
	DELETE,
	SELECT,
	MODIFY,
	SHOW,
	EMPTY,
	SORT
};

//動態開闢




void menu()
{
	printf(" - - - - - - - - - - - - - - - - - - - - - - - - - - \n");
	printf("|                      通訊錄                        |\n");
	printf("|                                                    |\n");
	printf("|   1.添加聯繫人信息         2.刪除指定聯繫人信息    |\n");
	printf("|                                                    |\n");
	printf("|   3.查找指定聯繫人信息     4.修改指定聯繫人信息    |\n");
	printf("|                                                    |\n");
	printf("|   5.顯示所有聯繫人信息     6.清空所有聯繫人        |\n");
	printf("|                                                    |\n");
	printf("|   7.按名字序列顯示         0.退出                  |\n");
	printf("|                                                    |\n");
	printf(" - - - - - - - - - - - - - - - - - - - - - - - - - -  \n");

}



int main()
{
	int input = 0;
	peoCon con;
	start(&con);
	while (1)
	{
		menu();
		printf("請選擇->：");
		scanf("%d", &input);
		
		switch (input)
		{
		case EXIT:
			//free(&con);
			exit(0);
		case ADD:
			ADD_PEO(&con);
			break;
		case DELETE:
			DEL_PEO(&con);
			break;
		case SELECT:
			SEL_PEO(&con);
			break;
		case MODIFY:
			MOD_PEO(&con);
			break;
		case SHOW:
			SHOW_PEO(&con);
			break;
		case EMPTY:
			EMPTY_PEO(&con);
			break;
	/*	case SORT:
			SORT_PEO(&con);
			break;*/
		default:
			break;
		}
	}
	system("pause");
	return 0;
}

文件版：

#ifndef __TELLIST_H__
#define __TELLIST_H__

#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
#include<string.h>
#include<stdlib.h>

#define NAME 10
#define SEX 5
#define TEL 12
#define ADDR 20
#define MAX 50

typedef struct PEOPLE
{
	char name[NAME];
	char sex[SEX];
	int age;
	char tel[TEL];
	char addr[ADDR];
}Peo,*peo;

typedef struct Con
{
	Peo num[MAX];
	int count;
}peoCon,*con;

void start(con peo);
void ADD_PEO(con peo);
void DEL_PEO(con peo);
void SEL_PEO(con peo);
void MOD_PEO(con peo);
void SHOW_PEO(con peo);
void EMPTY_PEO(con peo);
void SORT_PEO(con peo);
//文件寫入
void write_file(con position);
//文件讀取
void read_file(con peo);
//修改文件
void mod_file(con position, char* name, int flag);
#endif

fun.c


#include"tellist.h"
extern char file_name[30] = "\0";
void write_file(con peo)
{
	FILE *list;
	if (peo != NULL)
	{
		if (strcmp(file_name, "\0") == 0)
		{
			printf("請輸入保存文件路徑：");
			scanf("%s", file_name);
			list = fopen(file_name, "wt");
			fprintf(list, "%-10s", "姓名");
			fprintf(list, "%-6s", "性別");
			fprintf(list, "%-8s", "年齡");
			fprintf(list, "%-20s", "電話");
			fprintf(list, "%-20s", "地址");
			fprintf(list, "%-20s", "地址");
			fprintf(list, "%s", "\n");
		}
		else
		{
			list = fopen(file_name, "a+");
		}
		fprintf(list, "%-10s", peo->num[peo->count].name);
		fprintf(list, "%-6s", peo->num[peo->count].sex);
		fprintf(list, "%2d", peo->num[peo->count].age);
		fprintf(list, "%-8s", peo->num[peo->count].tel);
		fprintf(list, "%-10s", peo->num[peo->count].addr);
		fprintf(list, "%s", "\n");
	}
	else
	{
		list = fopen(file_name, "w");
		fprintf(list, "%s", "通訊錄已刪除");
		strcpy(file_name, "\0");
	}
	fclose(list);
}

//讀取文件
void read_file(con peo)
{
	if (peo->num == NULL)
	{
		printf("空的通訊錄\n\n");
	}
	else
	{
		printf("輸入文件路徑：");
		scanf("%s", file_name);
		FILE *list = fopen(file_name, "r");
		char ch;
		while ((ch = fgetc(list)) != EOF)
		{
			putchar(ch);
		}
	}
}

//修改
void mod_file(con peo, char *name, int i)
{
	char str[100];
	long num1 = 0;
	FILE * list = fopen(file_name, "r");
	while (fgets(str, 100, list) != NULL)
	{
		if (strstr(str, name) == NULL)
		{
			num1 += strlen(str) + 1;
		}
		else
			break;
	}
	fclose(list);
	list = fopen(file_name, "r+");
	fseek(list, num1, SEEK_SET);
	if (i == 0)
	{
		fprintf(list, "%54s", " ");
		fprintf(list, "%s", "\n");
	}
	else
	{
		fprintf(list, "%-10s", peo->num[peo->count].name);
		fprintf(list, "%-6s", peo->num[peo->count].sex);
		fprintf(list, "%-10s", peo->num[peo->count].age);
		fprintf(list, "%-8d", peo->num[peo->count].tel);
		fprintf(list, "%-10s", peo->num[peo->count].addr);
		fprintf(list, "%s", "\n");
	}
	fclose(list);
}


//初始化

void start(con peo)
{
	memset(peo->num, 0, MAX*sizeof(struct PEOPLE));
	peo->count = 0;
}
//動態開闢
void mem_play(con peo)
{
	con* p = peo;
	p = realloc(p, MAX*sizeof(struct PEOPLE));
	if (p != NULL)
	{
		peo = p;
	}
}

//添加聯繫人信息

void ADD_PEO(con peo)
{
	if (peo->count <= MAX)
	{
		printf("姓名\t 性別 \t年齡 \t電話 \t住址\n");
		scanf("%s", peo->num[peo->count].name);
		scanf("%s", peo->num[peo->count].sex);
		scanf("%2d", &peo->num[peo->count].age);
		scanf("%s", peo->num[peo->count].tel);
		scanf("%s", peo->num[peo->count].addr);
		write_file(peo);
		peo->count ++;
		printf("添加成功！\n\n");
	}
	else
	{
		mem_play(peo);
		peo->count += MAX;
	}
}


//刪除
int find(char *c, con peo)
{
	int i = 0;
	for (; i<peo->count; i++)
	{
		if (strcmp(c, peo->num[i].name) == 0)
			return i;

	}
	return -1;
}
void DEL_PEO(con peo)
{
	char name[NAME];
	int index = 0;
	printf("請輸入你想刪除的名字：");
	scanf("%s", name);
	index = find(name, peo->num[peo->count].name);
	/*if (index == 0)
		mod_file(peo, name, 0);*/
	for (; index <= peo->count - 1; index++)
	{
		peo->num[index] = peo->num[index + 1];
	}
	peo->count--;
	printf("刪除成功！\n");

}

//查詢
void SEL_PEO(con peo)
{
	char name[NAME];
	int i = 0;
	printf("請輸入你想查找的名字：");
	scanf("%s", name);
	i = find(name, peo->num[i].name);
	printf("姓名\t年齡\t性別\t電話\t\t地址\n");
	printf("%s\t%d\t%s\t%s\t\t%s\n", peo->num[i].name, peo->num[i].age, peo->num[i].sex, peo->num[i].tel, peo->num[i].addr);
}

//修改
void MOD_PEO(con peo)
{
	char nam[NAME];
	int i = 0;
	printf("請輸入你想修改的人：");
	scanf("%s", nam);
	i = find(nam, peo->num[peo->count].name);
	peo->num[i] = peo->num[-1];
	printf("姓名\t 性別 \t年齡 \t電話 \t住址\n");
	scanf("%s\t", peo->num[peo->count].name);
	scanf("%s\t", peo->num[peo->count].sex);
	scanf("%d\t", peo->num[peo->count].age);
	scanf("%s\t", peo->num[peo->count].tel);
	scanf("%s", peo->num[peo->count].addr);
	printf("修改成功！\n");
}
//顯示所有聯繫人信息
void SHOW_PEO(con peo)
{
	read_file(peo);
	/*int i = 0;
	printf("姓名\t年齡\t性別\t電話\t\t地址\n");
	for (i = 0; i<peo->count; i++)
	{
		printf("%s\t%2d\t%s\t%s\t\t%s\n", peo->num[i].name, &peo->num[i].age, peo->num[i].sex, peo->num[i].tel, peo->num[i].addr);
	}*/
}
//清空
void EMPTY_PEO(con peo)
{
	peo->count = 0;
	write_file(NULL);
}

main.c


#include"tellist.h"

char file_name[30];
//通訊錄
enum OP
{
	EXIT,
	ADD,
	DELETE,
	SELECT,
	MODIFY,
	SHOW,
	EMPTY,
	SORT
};

//動態開闢




void menu()
{
	printf(" - - - - - - - - - - - - - - - - - - - - - - - - - - \n");
	printf("|                      通訊錄                        |\n");
	printf("|                                                    |\n");
	printf("|   1.添加聯繫人信息         2.刪除指定聯繫人信息    |\n");
	printf("|                                                    |\n");
	printf("|   3.查找指定聯繫人信息     4.修改指定聯繫人信息    |\n");
	printf("|                                                    |\n");
	printf("|   5.顯示所有聯繫人信息     6.清空所有聯繫人        |\n");
	printf("|                                                    |\n");
	printf("|   7.按名字序列顯示         0.退出                  |\n");
	printf("|                                                    |\n");
	printf(" - - - - - - - - - - - - - - - - - - - - - - - - - -  \n");

}



int main()
{
	int input = 0;
	peoCon con;
	start(&con);
	while (1)
	{
		menu();
		printf("請選擇->：");
		scanf("%d", &input);
		
		switch (input)
		{
		case EXIT:
			//free(&con);
			exit(0);
		case ADD:
			ADD_PEO(&con);
			break;
		case DELETE:
			DEL_PEO(&con);
			break;
		case SELECT:
			SEL_PEO(&con);
			break;
		case MODIFY:
			MOD_PEO(&con);
			break;
		case SHOW:
			SHOW_PEO(&con);
			break;
		case EMPTY:
			EMPTY_PEO(&con);
			break;
	/*	case SORT:
			SORT_PEO(&con);
			break;*/
		default:
			break;
		}
	}
	system("pause");
	return 0;
}