记录一下鹏哥C语言上的小作业

contact.h

#include <stdio.h>
#include <string.h>
#include <assert.h>
#include <stdlib.h>
#define MAX 100
#define MAX_NAME 20
#define MAX_SEX 10
#define MAX_TELE 12
#define MAX_ADDR 30

//类型声明
typedef struct PeoInfo
{
	char name[MAX_NAME];
	int age;
	char sex[MAX_SEX];
	char tele[MAX_TELE];
	char addr[MAX_ADDR];
}PeoInfo;

typedef struct Contact
{
	PeoInfo data[MAX];
	int count;
}Contact;

void InitContact(Contact* pc);

void AddContact(Contact* pc);

void DelContact(Contact* pc);

void SearchContact(Contact* pc);

void ModifyContact(Contact* pc);

void ShowContact(const Contact* pc);

void SortContact(Contact* pc);

void SearchContact(const Contact* pc);

void ModifyContact(Contact* pc);

void SortContact(Contact* pc);

contact.c

#include "contact.h"

void InitContact(Contact* pc)
{
	assert(pc);
	pc->count = 0;
	memset(pc->data, 0, sizeof(pc->data));
}

void AddContact(Contact* pc)
{
	assert(pc);
	if (pc->count == MAX)
	{
		printf("通讯录已满，无法添加！\n");
		return;
	}
	printf("请输入姓名：\n->");
	scanf("%s", pc->data[pc->count].name);
	printf("请输入年龄：\n->");
	scanf("%d", &(pc->data[pc->count].age));
	printf("请输入性别：\n->");
	scanf("%s", pc->data[pc->count].sex);
	printf("请输入电话：\n->");
	scanf("%s", pc->data[pc->count].tele);
	printf("请输入地址：\n->");
	scanf("%s", pc->data[pc->count].addr);
	pc->count++;
	printf("添加完成\n");
}

void ShowContact(const Contact* pc)
{
	assert(pc);
	int i = 0;
	printf("%-20s\t%-5s\t%-5s\t%-12s\t%-30s\n", "姓名", "年龄", "性别", "电话", "地址");
	for (i = 0; i < pc->count; i++)
	{
		printf("%-20s\t%-5d\t%-5s\t%-12s\t%-30s\n",
												pc->data[i].name, 
												pc->data[i].age,
												pc->data[i].sex,
												pc->data[i].tele,
												pc->data[i].addr);
	}
}

static int FindByName(Contact* pc, char name[])
{
	assert(pc);
	int i = 0;
	for (i = 0; i < pc->count; i++)
	{
		if (0 == strcmp(pc->data[i].name, name))
		{
			return i;
		}
	}
	return -1;
}

void DelContact(Contact* pc)
{
	assert(pc);
	int i = 0;
	char name[MAX_NAME] = { 0 };
	if (pc->count == 0)
	{
		printf("通讯录为空，没有元素可删除!");
		return;
	}
	printf("请输入被删除人姓名：\n->");
	scanf("%s", name);
	int pos = FindByName(pc, name);
	if (pos == -1)
	{
		printf("被删除人不存在！\n");
		return;
	}
	for (i = pos; i < pc->count - 1; i++)
	{
		pc->data[i] = pc->data[i + 1];
	}
	pc->count--;
	printf("删除成功\n");
}

void SearchContact(const Contact* pc)
{
	assert(pc);
	char name[MAX_NAME] = { 0 };
	printf("请输入要查找人的姓名：\n->");
	scanf("%s", name);
	int pos = FindByName(pc, name);
	if (pos == -1)
	{
		printf("要查找的人不存在！\n");
		return;
	}
		printf("%-20s\t%-5s\t%-5s\t%-12s\t%-30s\n", "姓名", "年龄", "性别", "电话", "地址");
		printf("%-20s\t%-5d\t%-5s\t%-12s\t%-30s\n",
			pc->data[pos].name,
			pc->data[pos].age,
			pc->data[pos].sex,
			pc->data[pos].tele,
			pc->data[pos].addr);
}

void ModifyContact(Contact* pc)
{
	assert(pc);
	char name[MAX_NAME] = { 0 };
	printf("请输入要修改人的姓名：\n->");
	scanf("%s", name);
	int pos = FindByName(pc, name);
	if (pos == -1)
	{
		printf("要修改的人不存在！\n");
		return;
	}
	printf("请输入姓名：\n->");
	scanf("%s", pc->data[pos].name);
	printf("请输入年龄：\n->");
	scanf("%d", &(pc->data[pos].age));
	printf("请输入性别：\n->");
	scanf("%s", pc->data[pos].sex);
	printf("请输入电话：\n->");
	scanf("%s", pc->data[pos].tele);
	printf("请输入地址：\n->");
	scanf("%s", pc->data[pos].addr);
	printf("修改完成\n");
}

int CmpPeoByName(const void* e1, const void* e2)
{
	return strcmp(((PeoInfo*)e1)->name, ((PeoInfo*)e2)->name);
}

void SortContact(Contact* pc)
{
	assert(pc);
	qsort(pc->data, pc->count, sizeof(PeoInfo), CmpPeoByName);
	printf("排序完成\n");
}

test.c

#include "contact.h"

void menu()
{
	printf("------------------------------\n");
	printf("|    1.add        2.del      |\n");
	printf("|    3.search     4.modify   |\n");
	printf("|    5.show       6.sort     |\n");
	printf("|    0.exit                  |\n");
	printf("------------------------------\n");
}

int main()
{
	Contact con;

	InitContact(&con);

	int input = 0;
	do
	{
		menu();
		printf("请选择：\n->");
		scanf("%d", &input);
		switch (input)
		{
		case 1:
			AddContact(&con);
			break;
		case 2:
			DelContact(&con);
			break;
		case 3:
			SearchContact(&con);
			break;
		case 4:
			ModifyContact(&con);
			break;
		case 5:
			ShowContact(&con);
			break;
		case 6:
			SortContact(&con);
			break;
		case 0:
			printf("退出通讯录...\n");
			break;
		default:
			printf("选择错误！\n->");
			break;
		}
	} while (input);
}