飞机飞行日期查询

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define MAX_PLANE_NUM 50
typedef struct 
{
	char No[20];//航班号
	char Start_Station[20];//起始站
	char End_Station[20];//终点站
	char Time[10];//周几
	int Max_Count;//成员定额
}Plane;


int Plane_Menu()
{
	int chioce;
	do
	{
		system("cls");
		printf("1:航班信息录入\n");
		printf("2:航班信息浏览\n");
		printf("3:飞行日期排序\n");
		printf("4:飞行日期查询\n");
		printf("0:退出系统\n");
		printf("请输入选择:\n");
		scanf("%d",&chioce);
		if(chioce<0||chioce>4)
		{
			printf("请重新选择!\n");
			scanf("%d",&chioce);
		}
	}while(chioce<0||chioce>4);
	return chioce;
}

void Add_New_Plane(Plane* p,int* n)
{
	system("cls");
	printf("请输入新增航班号:\n");
	scanf("%s",&p[*n].No);
	printf("请输入新增航班起始站:\n");
	scanf("%s",&p[*n].Start_Station);
	printf("请输入新增航班终点站:\n");
	scanf("%s",&p[*n].End_Station);
	printf("请输入新增航班起飞日期:\n");
	scanf("%s",&p[*n].Time);
	printf("请输入新增航班成员定额:\n");
	scanf("%d",&p[*n].Max_Count);
	(*n)++;
	printf("新增航班信息成功!\n");
	system("pause");
}

void Print_Plane_Info(Plane* p,int n)
{
	int i;
	for(i=0;i<n;i++)
	{
		printf("%-10s%-16s%-16s%-10s%-10d\n",p[i].No,p[i].Start_Station,p[i].End_Station,p[i].Time,p[i].Max_Count);
	}
}


void Sort_Plane_Time(Plane* p,int n)
{
	Plane temp;
	int i,j;
		for(i=0;i<n;i++)
		{
			for(j=i+1;j<n;j++)
			{
				if( strcmp(p[i].Time,p[j].Time)>0 )
				{
					temp=p[j];
					p[j]=p[i];
					p[i]=temp;
				}
			}
		}
}


void Search_Plane_Time(Plane* p,int n)
{
	char temp[20];
	int i,flag=1;
	system("cls");
	printf("请输入要查询的飞行日期:\n");
	scanf("%s",temp);
	for(i=0;i<n;i++)
	{
		if(!strcmp(p[i].Time,temp))
		{
			if(flag){printf("%-10s%-16s%-16s%-10s%-10s\n","航班号","起始站","终点站","日期","人员定额");flag=0;}
			Print_Plane_Info(p+i,1);
		}
	}
	if(flag)
	{
		printf("该日期无航班!\n");
	}
	system("pause");
}


int main()
{
	int n;
	Plane plane[MAX_PLANE_NUM];
	int NUM=0;
	do
	{
		n=Plane_Menu();
		switch(n)
		{
		case 1:
			Add_New_Plane(plane,&NUM);
			break;
		case 2:
			system("cls");
			printf("%-10s%-16s%-16s%-10s%-10s\n","航班号","起始站","终点站","日期","人员定额");
			Print_Plane_Info(plane,NUM);
			system("pause");
			break;
		case 3:
			Sort_Plane_Time(plane,NUM);
			system("cls");
			printf("%-10s%-16s%-16s%-10s%-10s\n","航班号","起始站","终点站","日期","人员定额");
			Print_Plane_Info(plane,NUM);
			system("pause");
			break;
		case 4:
			Search_Plane_Time(plane,NUM);
			break;
		}
	}while(n!=0);
	return 0;
}