【C语言】通讯录：动态开辟内存版和文件版本

Bertha 。 2022-06-15 08:21 298阅读 0赞

动态开辟内存：

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;
    }
    //动态开辟
    void mem_play(con peo)
    {
    	con* p = peo;
    	p = realloc(p, MAX*sizeof(struct PEOPLE));
    	if (p != NULL)
    	{
    		peo = p;
    	}
    }
    
    //添加联系人信息
    
    void ADD_PEO(con peo)
    {
    	if (peo->count <= MAX)
    	{
    		printf("姓名\t 性别 \t年龄 \t电话 \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;
    	}
    }
    
    
    //删除
    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("请输入你想删除的名字：");
    	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("删除成功！\n");
    }
    
    //查询
    void SEL_PEO(con peo)
    {
    	char name[NAME];
    	int i = 0;
    	printf("请输入你想查找的名字：");
    	scanf("%s", name);
    	i = find(name, peo->num[i].name);
    	printf("姓名\t年龄\t性别\t电话\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("请输入你想修改的人：");
    	scanf("%s", nam);
    	i = find(nam, peo->num[peo->count].name);
    	peo->num[i] = peo->num[-1];
    	printf("姓名\t 性别 \t年龄 \t电话 \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");
    }
    //显示所有联系人信息
    void SHOW_PEO(con peo)
    {
    	int i = 0;
    	printf("姓名\t年龄\t性别\t电话\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"
    
    //通讯录
    enum OP
    {
    	EXIT,
    	ADD,
    	DELETE,
    	SELECT,
    	MODIFY,
    	SHOW,
    	EMPTY,
    	SORT
    };
    
    //动态开辟
    
    
    
    
    void menu()
    {
    	printf(" - - - - - - - - - - - - - - - - - - - - - - - - - - \n");
    	printf("|                      通讯录                        |\n");
    	printf("|                                                    |\n");
    	printf("|   1.添加联系人信息         2.删除指定联系人信息    |\n");
    	printf("|                                                    |\n");
    	printf("|   3.查找指定联系人信息     4.修改指定联系人信息    |\n");
    	printf("|                                                    |\n");
    	printf("|   5.显示所有联系人信息     6.清空所有联系人        |\n");
    	printf("|                                                    |\n");
    	printf("|   7.按名字序列显示         0.退出                  |\n");
    	printf("|                                                    |\n");
    	printf(" - - - - - - - - - - - - - - - - - - - - - - - - - -  \n");
    
    }
    
    
    
    int main()
    {
    	int input = 0;
    	peoCon con;
    	start(&con);
    	while (1)
    	{
    		menu();
    		printf("请选择->：");
    		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);
    //文件写入
    void write_file(con position);
    //文件读取
    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("请输入保存文件路径：");
    			scanf("%s", file_name);
    			list = fopen(file_name, "wt");
    			fprintf(list, "%-10s", "姓名");
    			fprintf(list, "%-6s", "性别");
    			fprintf(list, "%-8s", "年龄");
    			fprintf(list, "%-20s", "电话");
    			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", "通讯录已删除");
    		strcpy(file_name, "\0");
    	}
    	fclose(list);
    }
    
    //读取文件
    void read_file(con peo)
    {
    	if (peo->num == NULL)
    	{
    		printf("空的通讯录\n\n");
    	}
    	else
    	{
    		printf("输入文件路径：");
    		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;
    }
    //动态开辟
    void mem_play(con peo)
    {
    	con* p = peo;
    	p = realloc(p, MAX*sizeof(struct PEOPLE));
    	if (p != NULL)
    	{
    		peo = p;
    	}
    }
    
    //添加联系人信息
    
    void ADD_PEO(con peo)
    {
    	if (peo->count <= MAX)
    	{
    		printf("姓名\t 性别 \t年龄 \t电话 \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;
    	}
    }
    
    
    //删除
    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("请输入你想删除的名字：");
    	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("删除成功！\n");
    
    }
    
    //查询
    void SEL_PEO(con peo)
    {
    	char name[NAME];
    	int i = 0;
    	printf("请输入你想查找的名字：");
    	scanf("%s", name);
    	i = find(name, peo->num[i].name);
    	printf("姓名\t年龄\t性别\t电话\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("请输入你想修改的人：");
    	scanf("%s", nam);
    	i = find(nam, peo->num[peo->count].name);
    	peo->num[i] = peo->num[-1];
    	printf("姓名\t 性别 \t年龄 \t电话 \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");
    }
    //显示所有联系人信息
    void SHOW_PEO(con peo)
    {
    	read_file(peo);
    	/*int i = 0;
    	printf("姓名\t年龄\t性别\t电话\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];
    //通讯录
    enum OP
    {
    	EXIT,
    	ADD,
    	DELETE,
    	SELECT,
    	MODIFY,
    	SHOW,
    	EMPTY,
    	SORT
    };
    
    //动态开辟
    
    
    
    
    void menu()
    {
    	printf(" - - - - - - - - - - - - - - - - - - - - - - - - - - \n");
    	printf("|                      通讯录                        |\n");
    	printf("|                                                    |\n");
    	printf("|   1.添加联系人信息         2.删除指定联系人信息    |\n");
    	printf("|                                                    |\n");
    	printf("|   3.查找指定联系人信息     4.修改指定联系人信息    |\n");
    	printf("|                                                    |\n");
    	printf("|   5.显示所有联系人信息     6.清空所有联系人        |\n");
    	printf("|                                                    |\n");
    	printf("|   7.按名字序列显示         0.退出                  |\n");
    	printf("|                                                    |\n");
    	printf(" - - - - - - - - - - - - - - - - - - - - - - - - - -  \n");
    
    }
    
    
    
    int main()
    {
    	int input = 0;
    	peoCon con;
    	start(&con);
    	while (1)
    	{
    		menu();
    		printf("请选择->：");
    		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;
    }