户籍年龄管理

#include<stdio.h>
#include<stdlib.h>
#include<string.h>

typedef struct
{
	char no[20];//身份证
	char name[20];//名字
	char sex[5];//性别
	int age;//年龄
	char grade[20];//学历
	char add[20];//住址
	char phone[20];//电话
}PERSON;

PERSON p[100];
int N=0;

void InPut()
{
	system("cls");
	printf("请输入身份证号:");
	scanf("%s",&p[N].no);
	printf("请输入姓名:");
	scanf("%s",&p[N].name);
	printf("请输入性别:");
	scanf("%s",&p[N].sex);
	printf("请输入年龄:");
	scanf("%d",&p[N].age);
	printf("请输入学历:");
	scanf("%s",&p[N].grade);
	printf("请输入住址:");
	scanf("%s",&p[N].add);
	printf("请输入电话:");
	scanf("%s",&p[N].phone);
	N++;
	printf("添加成功!\n");
	system("pause");
}

void Display()
{
	int i;
	system("cls");
	printf("%-20s%-10s%-10s%-10s%-10s%-20s%-20s\n","身份证号","姓名","性别","年龄","学历","住址","电话");
	for(i=0;i<N;i++)
	{
		printf("%-20s%-10s%-10s%-10d%-10s%-20s%-20s\n",p[i].no,p[i].name,p[i].sex,p[i].age,p[i].grade,p[i].add,p[i].phone);
	}
	system("pause");
}

void Sort()
{
	int i,j;
	PERSON temp;
	for(i=0;i<N;i++)
	{
		for(j=i+1;j<N;j++)
		{
			if(p[i].age>p[j].age)
			{
				temp=p[i];
				p[i]=p[j];
				p[j]=temp;
			}
		}
	}
}

void PRINT()
{
	int i,min,max;
	system("cls");
	printf("请输入要查询的年龄区间(min空格max):\n");
	scanf("%d %d",&min,&max);
	printf("%-20s%-10s%-10s%-10s%-10s%-20s%-20s\n","身份证号","姓名","性别","年龄","学历","住址","电话");
	for(i=0;i<N;i++)
	{
		if(p[i].age<=max&&p[i].age>=min)
		{
			printf("%-20s%-10s%-10s%-10d%-10s%-20s%-20s\n",p[i].no,p[i].name,p[i].sex,p[i].age,p[i].grade,p[i].add,p[i].phone);
	
		}
	}
	system("pause");
}

int menu()
{
	int n;
	system("cls");
	printf("1:户籍信息录入\n");
	printf("2:户籍信息浏览\n");
	printf("3:按年龄排序\n");
	printf("4:按年龄区间查询\n");
	printf("0:退出\n");
	scanf("%d",&n);
	while(n<0||n>4)
	{
		printf("输入错误，重新输入\n");
		scanf("%d",&n);
	}
	return n;
}

int main()
{
	int n;
	system("mode con: cols=100 lines=35");
	do
	{
		n=menu();
		switch(n)
		{
		case 1:
			InPut();
			break;
		case 2:
			Display();
			break;
		case 3:
			Sort();
			Display();
			break;
		case 4:
			Sort();
			PRINT();
			break;
		}
	}while(n!=0);
	return 0;
}