commit 61a23a3092a18eb5b57a723da90a83aacf7754b7
Author: 陈郁文 <18408000325@stu.hut.edu.cn>
Date:   Fri Jan 11 16:36:08 2019 +0800

    chenyuwen

diff --git a/课设.c b/课设.c
new file mode 100644
index 0000000..077eb0b
--- /dev/null
+++ b/课设.c
@@ -0,0 +1,522 @@
+#include<stdio.h>
+#include<string.h>
+#include<stdlib.h>
+#include<conio.h>
+#include <windows.h>
+#define R 100
+int Z;
+struct player_data
+{
+	int num;
+	char name[15];
+	double score;
+}player[R]; 
+/*                     ���ù��                                */
+ void gotoxy(int x, int y)      
+{
+	HANDLE handle = GetStdHandle(STD_OUTPUT_HANDLE);
+	COORD pos;
+	pos.X = x;
+	pos.Y = y;
+	SetConsoleCursorPosition(handle, pos);
+}
+
+/*      ��ʼ��ģ�飬���ļ��е�����д��ṹ���ر��ļ�         */
+void beginning()
+{
+	int A=20;
+	int  i=0;
+	FILE *fp_beginning;
+	if((fp_beginning=fopen("player_data.txt","a+"))==NULL)
+	{
+		printf("File open error!\n");
+		exit(0);
+	}
+	while(A)
+	{
+		fread(&player[i],sizeof(player[0]),1,fp_beginning);
+		i++;
+		A--;
+	}
+	rewind(fp_beginning);
+	if(fclose(fp_beginning))
+	{
+		printf("Can not close the file!\n");
+		exit(0);
+	}
+}
+/*           ���˵�             */
+int menu()
+{
+	int n;
+	printf("\n\n\n");
+	printf("\t\t\t\t\t\t-------------------------------\n");
+	printf("\t\t\t\t\t\t|    ��ӭʹ�ø��ֱ���ϵͳ     |\n");
+	printf("\t\t\t\t\t\t|      1.����ѡ������         |\n");
+	printf("\t\t\t\t\t\t|      2.�����             |\n");
+	printf("\t\t\t\t\t\t|      3.�ɼ����򣨰�ƽ���֣� |\n");
+	printf("\t\t\t\t\t\t|      4.���ݲ�ѯ             |\n");
+	printf("\t\t\t\t\t\t|      5.׷��ѧ������         |\n");
+	printf("\t\t\t\t\t\t|      6.д�������ļ�         |\n");
+	printf("\t\t\t\t\t\t|      7.�˳�����             |\n");
+	printf("\t\t\t\t\t\t-------------------------------\n");
+	printf("\t\t\t\t\t\t       ���������ѡ��          \n");
+	printf("\t\t\t\t\t\t   ����������ѡ�������ٴ��    \n");
+	scanf("%d",&n);
+	system("cls") ;
+	return n;
+}
+/*          ��ÿһ��ѡ�ֵ�ƽ����             */
+void all_aver()
+{
+	int n,i,j;
+	FILE *fp;
+	if((fp=fopen("player_data.txt","a+"))==NULL)
+	{
+		printf("File open error!\n");
+		exit(0);
+	}
+	i=0; Z=0;
+	while(!feof(fp))
+	{
+		if(fread(&player[i], sizeof(player[0]),1,fp) == 1);
+			Z++;
+		    i++;
+	}
+	
+	if(fclose(fp))
+	{
+		printf("Can not close the file!\n");
+		exit(0);
+	}
+	
+    printf("���Ա�Ÿ�ѡ�ִ��\n");
+    int m;
+    printf("¼������밴1���˳��밴0\n");
+    scanf("%d",&m);
+    while(m==1)
+	{
+    printf("����������Ҫ���ѡ�ֵı��\n");
+	scanf("%d",&n);
+		for(i=0;i<Z+1;i++)
+		{
+			if(n==player[i].num)
+		    {
+				printf("%d   %s   %.lf\n",player[i].num,player[i].name,player[i].score);
+				printf("��Ϊѡ�ִ��\n");
+			
+				double scor[10];/*10����ί�ijɼ�*/
+				double mark;/*���÷�*/
+				int max=-1;/*��߷�*/
+				int min=101;/*��ͷ�*/
+				int sum=0;/*10����ί���ܷ�*/
+				for(j=0;j<10;j++)
+				{
+					printf("�����������%d����ί�ķ���:",j+1);
+					scanf("%lf",&scor[j]);
+					sum=sum+scor[j];
+				}
+				for(j=0;j<10;j++)
+				{
+					if(scor[j]>max)
+					max=scor[j];
+				}
+				for(j=0;j<10;j++)
+				{
+					if(scor[j]<min)
+					min=scor[j];
+				}
+				mark=(sum-max-min)/8.0;
+				printf("��λѡ�ֵ�ƽ���ɼ�Ϊ%.1f\n",mark);
+				player[i].score=mark;
+		    }
+			else  continue;
+		 }
+		 printf("¼������밴1���˳��밴0\n");
+		 scanf("%d",&m);
+
+	}
+	FILE *fp_all_aver;
+	if((fp_all_aver=fopen("player_data.txt","w+"))==NULL)
+    {
+    	printf("File open error!\n");
+    	exit(0);
+	}
+	for(i=0;i<Z+1;i++)
+	{
+		fwrite(&player[i],sizeof(player[0]),1,fp_all_aver);
+	}
+	if(fclose(fp_all_aver))
+	{
+		printf("Can not close the file\n");
+	}
+	
+
+}
+
+/*            ����ѡ������                     */
+void w_player_data()
+{
+	int i,j;
+    for(Z=0;Z<R;Z++)
+    {
+	    printf("��1��������ѡ������\n");
+	    printf("��������˳�\n");
+	    scanf("%d",&j);
+	    if(j!=1)    break;
+	    printf("��ţ� ������\n");
+	    scanf("%d%s",&player[Z].num, player[Z].name);
+	    player[Z].score=0.0;
+    }
+    
+    FILE  *fp_w_player_data;
+    if((fp_w_player_data=fopen("player_data.txt","a+"))==NULL)
+	{  printf("File open error!\n");
+	    exit(0);
+	}
+	for(i=0;i<Z;i++)
+	{
+	fwrite(&player[i],sizeof(player[0]),1,fp_w_player_data);
+	}
+	if(fclose(fp_w_player_data))
+	{
+		printf("Can not close the file\n");
+		exit(0);
+	}
+
+}
+    /*��ѡ�ֳɼ���������,�����ѡ����Ϣ*/
+void rank()
+{
+	int i,j;
+	FILE *fp;
+	if((fp=fopen("player_data.txt","a+"))==NULL)
+	{
+		printf("File open error!\n");
+		exit(0);
+	}
+	i=0; Z=0;
+	while(!feof(fp))
+	{
+		if(fread(&player[i], sizeof(player[0]),1,fp) == 1);
+			Z++;
+		    i++;
+	}
+	
+	if(fclose(fp))
+	{
+		printf("Can not close the file!\n");
+		exit(0);
+	} 
+	struct player_data t;
+	 for(i=0;i<Z+1;i++)
+	 {
+	 	for(j=i+1;j<Z;j++)
+	 	{
+	 	    if(player[j].score > player[i].score)
+            {
+                t=player[i];
+                player[i]=player[j];
+                player[j]=t;
+            }
+        }
+	 }
+	printf("���и��ֳɼ��ɸߵ�����������:\n");
+	i=1;
+	for(j=0;j<Z+1;j++)
+    {
+    	if(player[j].num!=0)
+        	printf("NO.%d��:%d   %s   %.lf\n",i,player[j].num,player[j].name,player[j].score);
+        i++;
+    }
+
+}
+
+void query_data()
+{
+	int n,i,b,d;
+	char j[15];
+	 
+	FILE *fp;
+	if((fp=fopen("player_data.txt","a+"))==NULL)
+	{
+		printf("File open error!\n");
+		exit(0);
+	}
+	i=0; Z=0;
+	while(!feof(fp))
+	{
+		if(fread(&player[i], sizeof(player[0]),1,fp) == 1);
+			Z++;
+		i++;
+	}
+	if(fclose(fp))
+	{
+		printf("Can not close the file!\n");
+		exit(0);
+	}
+	printf("��������Ҫ��ѯ��ѡ�ֵ�����һ����Ϣ\n");
+	printf("����1�Ա�Ų�ѯ������2��������ѯ\n");
+	scanf("%d",&n);
+	switch(n)
+	{
+		case 1:
+		      do{
+		      	  
+			      printf("��������Ҫ��ѯѡ�ֵı�ţ�\n");
+		        scanf("%d",&b);
+		        for(i=0;i<Z+1;i++)
+		        {
+		        	
+				    if(b==player[i].num)
+				    {
+					    printf("ѡ�ֵ�ȫ����Ϣ����:\n");
+						printf("%d   %s   %.1lf\n",player[i].num,player[i].name,player[i].score);
+				    }
+				}
+
+				printf("��ѯ����1���˳�����0");
+				scanf("%d",&d);
+				}
+				while(d==1); break;
+	    case 2:
+	             do
+				{
+					printf("��������Ҫ��ѯѡ�ֵ�����\n");
+	                scanf("%s", j);
+
+	                int key =0;
+	                for(i=0; i<Z+1; i++)
+                    {
+                        if(strcmp(j, player[i].name)==0)
+                        {
+                            key = 1;
+                          printf("\t\t\t\t\t\tѡ�ֵ�ȫ����Ϣ���£�\n");
+                          printf("\t\t\t\t\t\t%d   %s   %.1lf\n",player[i].num,player[i].name,player[i].score);
+                          break;
+                        }
+                    }
+
+				   if(key == 0)
+				   {
+                        printf("�������ѡ����Ϣ����\n");
+				   }
+				  printf("������ѯ����1���˳�����0\n");
+				  scanf("%d",&d);
+				}
+				while(d==1);  break;
+	    default:printf("��������Զ��˳�\n");     break;
+	}
+
+}
+/*               ׷��ѡ������                     */
+void add_data()
+{
+
+	int n,i,j,k;
+	
+	FILE *fp;
+	if((fp=fopen("player_data.txt","a+"))==NULL)
+	{
+		printf("File open error!\n");
+		exit(0);
+	}
+	i=0; Z=0;
+	while(!feof(fp))
+	{
+		if(fread(&player[i], sizeof(player[0]),1,fp) == 1);
+			Z++;
+		    i++;
+	}
+	
+	if(fclose(fp))
+	{
+		printf("Can not close the file!\n");
+		exit(0);
+	}
+	int choice=1;
+    while(choice==1)
+    {
+	printf("��������Ҫ׷��ѡ�ֵĸ���\n");
+	scanf("%d",&n);
+	
+	for(i=0;i<n;i++)
+	{
+		printf("׷�ӵĵ�%dλѡ�����ݣ�\n",i+1);
+		printf("������ѡ��������ݣ�\n");
+		printf("���  ����\n");
+		scanf("%d%s",&player[Z+i+1].num, player[Z+i+1].name);
+		double scor[10];/*ʮ����ί�ķ���*/
+		double mark;/*���÷�*/
+	
+		
+		
+			double max=-1.0;/*��߷�*/
+		    double min=101.0;/*��ͷ�*/
+	 	    double sum=0.0;/*10����ί���ܷ�*/
+			for(k=0;k<10;k++)
+			{
+				printf("�����������%d����ί�ķ���",k+1);
+				scanf("%lf",&scor[k]);
+				sum=sum+scor[k];
+			}
+			for(k=0;k<10;k++)
+			{
+				if(scor[k]>max)
+				max=scor[k];
+			}
+			for(k=0;k<10;k++)
+			{
+				if(scor[k]<min)
+				min=scor[k];
+			}
+			mark=(sum-max-min)/8.0;
+			printf("\t\t\t\t\t\t��λѡ�ֵ�ƽ���ɼ�Ϊ%.1lf\n",mark);
+			player[Z+i+1].score=mark;
+	}
+	Z+=n;
+	      printf("����׷��������1,����0�˳�\n");
+	      scanf("%d",&choice);
+	}
+	if((fp=fopen("player_data.txt","w+"))==NULL)
+	{
+		printf("File open error!\n");
+		exit(0);
+	}
+	for(i=0; i<Z+1; i++)
+		fwrite(&player[i], sizeof(player[0]), 1, fp);
+	
+	if(fclose(fp))
+	{
+		printf("Can not close the file!\n");
+		exit(0);
+	}
+	
+
+
+}
+/*               ������ѡ������д��һ���½������ļ�              */
+void w_data_file()
+{
+
+    int i;
+    
+    FILE *fp;
+	if((fp=fopen("player_data.txt","a+"))==NULL)
+	{
+		printf("File open error!\n");
+		exit(0);
+	}
+	i=0; Z=0;
+	while(!feof(fp))
+	{
+		if(fread(&player[i], sizeof(player[0]),1,fp) == 1);
+			Z++;
+		i++;
+	}
+	
+	if(fclose(fp))
+	{
+		printf("Can not close the file!\n");
+		exit(0);
+	}
+
+    FILE *fp_extra;
+	if((fp_extra=fopen("extra.txt","w+"))==NULL)
+	{
+	   printf("File open error!\n");
+	   exit(0);
+	}
+      for(i=0;i<Z+1;i++)
+      {
+      	if(player[i].num!=0)
+      		fprintf(fp_extra,"%d   %s   %lf\n",player[i].num,player[i].name,player[i].score);
+	  }
+
+	if(fclose(fp_extra))
+	{
+		printf("Can not close the file!\n");
+		exit(0);
+	}
+
+}
+/*                ������                       */
+  int main(void)
+{
+    printf("================================================��ӭʹ�ø��ֱ���ϵͳ===================================================\n");
+    printf("===================================================�������������======================================================\n");
+    getch();
+    system("cls");
+     beginning();
+    int op=1,OP;
+    while(op)
+    {
+    	OP=menu();
+    switch(OP)
+    {
+    	case 1:
+		{
+    		printf("1.����ѡ������       \n");
+    		printf("���   ����              \n");
+    		w_player_data();
+    		system("cls");
+			break;
+		}
+    	case 2:
+		{
+			printf("\t\t\t\t\t\t    2.�����            \n");
+			printf("\t\t\t\t\t\t���ַ�Χ��1����10�֣�   \n");
+			printf("\t\t\t\t\t\t   �������ַ���         \n");
+			all_aver();
+			system("cls");
+			break;
+		}
+    	case 3:
+		{
+			system("cls");
+			printf("\t\t\t\t\t\t3.�ɼ����򣨰�ƽ���֣�    \n");
+			rank();
+
+			break;
+		}
+		case 4:
+			{
+				printf("\t\t\t\t\t\t4.���ݲ�ѯ      \n");
+				query_data();
+				system("cls");
+				break;
+			}
+		case 5:
+			{
+				printf("\t\t\t\t\t\t5.׷��ѧ������        \n");
+				add_data();
+				system("cls");
+				break;
+			}
+		case 6:
+			{
+				w_data_file();
+				printf("\t\t\t\t\t\t�Ѿ�д�������ļ�         \n");
+			
+
+				break;
+			}
+		case 7:
+			{
+				printf("========================================================================================================================\n");
+				printf("\t\t\t\t\t\t\t��л����ʹ�ã�\n");
+				printf("\t\t\t\t\t\t    �����˳����ֱ���ϵͳ��\n");
+				printf("\t\t\t\t\t\t\t��������˳�\n");
+				printf("========================================================================================================================\n");
+				getch();
+				op=0;
+				break;
+
+			}
+    	default:
+    		printf("\t\t\t\t\t\t�������������������ʾ����\n");
+    		break;
+	}
+    }
+
+}
diff --git a/课设.exe b/课设.exe
new file mode 100644
index 0000000..b10f088
Binary files /dev/null and b/课设.exe differ