#include <stdio.h>
#include <string.h>
#include <stdlib.h>
struct student 
{
	char rcord[20];
	char name[20];//姓名的字节长度最大为8；
	char phone[20];
	char qq[20];
};
int num=0;//全局变量
struct student stu[1000];//最大可存1000个名片
void student ();//主菜单
void student1 ();//添加联系人
void student2 ();//显示通讯录
void student3 ();//查找联系人
void student3_1 ();//按姓名查找
void student3_2 ();//按学号查找
void student3_3 ();//按电话查找
void student4 ();//删除联系人
void student4_1 ();//按姓名删除
void student4_2 ();//按学号删除
void student4_3 ();//按电话删除
void main()//主函数
{
	student ();
}
void student ()//主界面
{
	char a;
	system ("cls");
	system ("color f4");
	printf ("\n\n\n\n\n\n\n");
	printf ("\t\t\t     【学生通讯录管理系统】\n");
	printf ("================================================================================\n");
	printf ("\t\t\t\t**************\n");
	printf ("\t\t\t\t*1.添加联系人*\n");
	printf ("\t\t\t\t*2.显示通讯录*\n");
	printf ("\t\t\t\t*3.查找联系人*\n");
	printf ("\t\t\t\t*4.删除联系人*\n");
	printf ("\t\t\t\t*0.退出该程序*\n");
	printf ("\t\t\t\t**************\n");
	printf ("================================================================================\n");
	scanf ("%d",&a);
	switch (a)
	{
	case 0: break;
	case 1:
		{
			student1 ();
			student ();
			break;
		}
	case 2:
		{ 
			student2();
			break;
		}
	case 3:
		{
			student3();
			student ();
			break;
		}
	case 4:
		{
			student4();
			student ();
			break;
		}
	}
}
void student1 ()//添加联系人
{
	int i,k;

	system ("color 84");
	for (i=0;i<=200;i++)
	{
		system ("cls");
		printf ("\n\n\t输入学号\n\t");
		scanf ("%s",stu[num].rcord );
		printf ("\n\n\t输入姓名\n\t");
		scanf ("%s",stu[num].name);
		printf ("\n\n\t输入电话\n\t");
		scanf ("%s",stu[num].phone);
		printf ("\n\n\t输入Q  Q\n\t");
		scanf ("%s",stu[num].qq);
		num++;
		printf ("是否继续添加（1是0否）");
		scanf("%d",&k);
		if (k==1)
			printf ("===============================================================================\n");
		else
			break;
	}
}
void student2 ()//显示通讯录
{
	system ("cls");
	system ("color e0");
	int i;
	char k;
	if (num==0)
		printf ("\n\n\n\t\t\t您的通讯录为空!\n");
	for (i=0;i<num;i++)
	{
		printf ("\n学号：%s\n姓名：%s\n电话：%s\nQ  Q：%s\n",stu[i].rcord,stu[i].name,stu[i].phone,stu[i].qq);
		printf ("================================================================================\n");
	}
	printf ("按任意键返回主菜单");
	scanf ("%s",&k);
	student ();
}
void student3 ()//查找联系人
{
	int i;
	system ("cls");
	system ("color 40");
	printf ("\n\n\n\n\n\n**************************************\n");
	printf ("\t\t1按姓名查找\n");
	printf ("\t\t2按学号查找\n");
	printf ("\t\t3按电话查找\n");
	printf ("**************************************\n");
	printf ("请选择：(按其他数字键返回！)");
	scanf ("%d",&i);
	switch (i)
	{
	case 1:
		{
			student3_1 ();
			break;
		}
	case 2:
		{
			student3_2 ();
			break;
		}
	case 3:
		{
			student3_3 ();
			break;
		}
	}
}
void student3_1 ()//按姓名查找
{
	int k,n;
	char name[20];
	printf ("请输入姓名：");
	scanf ("%s",&name);
	for (k=0;k<num;k++)
	{

		if (strcmp(stu[k].name,name)==0)
		{
			printf ("\n\t学号：%s\n",stu[k].rcord);
			printf ("\n\t姓名：%s\n",stu[k].name);
			printf ("\n\t电话：%s\n",stu[k].phone);
			printf ("\n\tQ  Q：%s\n",stu[k].qq);
		}
	}
	printf ("是否继续查找（1是0否）");
	scanf ("%d",&n);
	if (n==1)
		student3 ();
	else
		student ();
}
void student3_2 ()//按学号查找
{
	int k,n;
	char rcord[20];
	printf ("请输入学号：");
	scanf ("%s",&rcord);
	for (k=0;k<num;k++)
	{
		if (strcmp(stu[k].rcord,rcord)==0)
		{
			printf ("\n\t学号：%s\n",stu[k].rcord);
			printf ("\n\t姓名：%s\n",stu[k].name);
			printf ("\n\t电话：%s\n",stu[k].phone);
			printf ("\n\tQ  Q：%s\n",stu[k].qq);
		}
	}
	printf ("是否继续查找（1是0否）");
	scanf ("%d",&n);
	if (n==1)
		student3 ();
	else
		student ();
}
void student3_3 ()//按电话查找
{
	int k,n;
	char phone[20];
	printf ("请输入电话：");
	scanf ("%s",&phone);
	for (k=0;k<num;k++)
	{
		if (strcmp(stu[k].phone,phone)==0)
		{
			printf ("\n\t学号：%s\n",stu[k].rcord);
			printf ("\n\t姓名：%s\n",stu[k].name);
			printf ("\n\t电话：%s\n",stu[k].phone);
			printf ("\n\tQ  Q：%s\n",stu[k].qq);
		}
	}
	printf ("是否继续查找（1是0否）");
	scanf ("%d",&n);
	if (n==1)
		student3 ();
	else
		student ();
}
void student4 ()//删除联系人
{
	int i;
	system ("cls");
	system ("color 60");
	printf ("\n\n\n\n\n\n**************************************\n");
	printf ("\t\t1按姓名删除\n");
	printf ("\t\t2按学号删除\n");
	printf ("\t\t3按电话删除\n");
	printf ("**************************************\n");
	printf ("请选择：(按其他数字键返回！)");
	scanf ("%d",&i);
	switch (i)
	{
	case 1:
		{
			student4_1 ();
			break;
		}
	case 2:
		{
			student4_2 ();
			break;
		}
	case 3:
		{
			student4_3 ();
			break;
		}
	}
}
void student4_1 ()//按姓名删除
{
	int i,k,n,a;
	char name[20];
	printf ("请输入姓名：");
	scanf ("%s",&name);
	for (k=0;k<num;k++)
	{
		if (strcmp(stu[k].name,name)==0)
		{
			printf ("\n\t学号：%s\n",stu[k].rcord);
			printf ("\n\t姓名：%s\n",stu[k].name);
			printf ("\n\t电话：%s\n",stu[k].phone);
			printf ("\n\tQ  Q：%s\n",stu[k].qq);
			printf ("确定要删除给联系人！（1是0否）");
			scanf ("%d",&i);
			if (i==1)
			{
				for (a=k;a<num-1;a++)
					stu[a]=stu[a+1];
				num--;
			}
			break;
		}
	}
	printf ("是否继续删除（1是0否）");
	scanf ("%d",&n);
	if (n==1)
		student4 ();
	else
		student ();
}
void student4_2 ()//按学号删除
{
	int i,k,n,a;
	char rcord[20];
	printf ("请输入学号：");
	scanf ("%s",&rcord);
	for (k=0;k<num;k++)
	{
		if (strcmp(stu[k].rcord,rcord)==0)
		{
			printf ("\n\t学号：%s\n",stu[k].rcord);
			printf ("\n\t姓名：%s\n",stu[k].name);
			printf ("\n\t电话：%s\n",stu[k].phone);
			printf ("\n\tQ  Q：%s\n",stu[k].qq);
			printf ("确定要删除给联系人！（1是0否）");
			scanf ("%d",&i);
			if (i==1)
			{
				for (a=k;a<num-1;a++)
					stu[a]=stu[a+1];
				num--;
			}
		}
	}
	printf ("是否继续删除（1是0否）");
	scanf ("%d",&n);
	if (n==1)
		student4 ();
	else
		student ();
}
void student4_3 ()//按电话删除
{
	int i,k,n,a;
	char phone[20];
	printf ("请输入电话：");
	scanf ("%s",&phone);
	for (k=0;k<num;k++)
	{
		if (strcmp(stu[k].phone,phone)==0)
		{
			printf ("\n\t学号：%s\n",stu[k].rcord);
			printf ("\n\t姓名：%s\n",stu[k].name);
			printf ("\n\t电话：%s\n",stu[k].phone);
			printf ("\n\tQ  Q：%s\n",stu[k].qq);
			printf ("确定要删除给联系人！（1是0否）");
			scanf ("%d",&i);
			if (i==1)
			{
				for (a=k;a<num-1;a++)
					stu[a]=stu[a+1];
				num--;
			}
		}
	}
	printf ("是否继续删除（1是0否）");
	scanf ("%d",&n);
	if (n==1)
		student4 ();
	else
		student ();
}