课程性质管理

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

struct COURSE
{
	char number[20];//课程编号
	char name[20];//课程名
	char style[20];//课程类型
	int time[2];//授课学时，上机学时
	int score;//学分
	int n;//开课学期
}course[100];
int N=0;

/*新增*/
void Input_Course()
{
	system("cls");
	printf("请输入输入课程编号\n");
	scanf("%s",&course[N].number);
	printf("请输入输入课程名\n");
	scanf("%s",&course[N].name);
	printf("请输入输入课程类型\n");
	scanf("%s",&course[N].style);
	printf("请输入输入课程授课学时\n");
	scanf("%d",&course[N].time[0]);
	printf("请输入输入课程实验或上机学时\n");
	scanf("%d",&course[N].time[1]);
	printf("请输入输入课程学分\n");
	scanf("%d",&course[N].score);
	printf("请输入输入课程开课学期\n");
	scanf("%d",&course[N].n);
	N++;
	printf("新增课程成功!\n");
	system("pause");
}

/*主菜单*/
int Menu()
{
	int n;
	system("cls");
	printf("1:课程信息录入\n");
	printf("2:课程信息浏览\n");
	printf("3:排序\n");
	printf("4:按课程性质查询\n");
	printf("0:退出\n");
	printf("请选择编号:");
	scanf("%d",&n);
	while(n<0||n>4)
	{
		printf("输入错误,请重新输入!\n");
		scanf("%d",&n);
	}
	return n;
}

void Show_Iofo()
{
	int i;
	system("cls");
	if(0==N)
	{
		printf("无课程信息!\n");
	}
	else
	{
		printf("%-10s%-20s%-10s%-10s%-16s%-10s%-4s\n","编号","课程名","类型","授课学时","上机或实验学时","学分","学期");
		for(i=0;i<N;i++)
		{
			printf("%-10s%-20s%-10s%-10d%-16d%-10d%-4d\n",course[i].number,course[i].name,course[i].style,course[i].time[0],course[i].time[1],course[i].score,course[i].n);
		}
	}
	system("pause");
}

void Sort_Style()
{
	struct COURSE temp;
	int i,j;
		for(i=0;i<N;i++)
		{
			for(j=i+1;j<N;j++)
			{
				if( strcmp(course[i].style,course[j].style)>0 )
				{
					temp=course[j];
					course[j]=course[i];
					course[i]=temp;
				}
			}
		}
}

void Serach_Style()
{
	int i;
	char temp[30];
	system("cls");
	printf("请输入要查询的课程性质:\n");
	scanf("%s",temp);
	printf("%-10s%-20s%-10s%-10s%-16s%-10s%-4s\n","编号","课程名","类型","授课学时","上机或实验学时","学分","学期");
	for(i=0;i<N;i++)
	{
		if(!strcmp(course[i].style,temp))
		{
			printf("%-10s%-20s%-10s%-10d%-16d%-10d%-4d\n",course[i].number,course[i].name,course[i].style,course[i].time[0],course[i].time[1],course[i].score,course[i].n);
		}
	}
	system("pause");
}

int main()
{
	int n;
	do
	{
		n=Menu();
		switch(n)
		{
		case 1:
			Input_Course();
			break;
		case 2:
			Show_Iofo();
			break;
		case 3:
			Sort_Style();
			Show_Iofo();
			break;
		case 4:
			Serach_Style();
			break;
		}
	}while(n!=0);
	return 0;
}