commit 60be76295c9146040f737575bc821068c734635f
Author: m36890472 <1197374547@qq.com>
Date:   Sun Jan 13 21:00:19 2019 +0800

    first

diff --git a/课程设计源代码_学生选课系统_1807_18408000739_黄海臻.c.cpp b/课程设计源代码_学生选课系统_1807_18408000739_黄海臻.c.cpp
new file mode 100644
index 0000000..9f1feec
--- /dev/null
+++ b/课程设计源代码_学生选课系统_1807_18408000739_黄海臻.c.cpp
@@ -0,0 +1,227 @@
+#include<stdio.h>
+#include<stdlib.h>
+#include<string.h>
+typedef struct subject_info
+{
+	int number;
+	char name[20];
+	int score;
+	int time;
+	int classtime;
+	int exprimenttime;
+	char term[10];
+} subject;
+typedef struct student_info
+{
+	char xh[4];
+	char name[10];	
+	int subject_num1;
+	int subject_num2;
+} student;
+subject sub;
+student stu; 
+
+void infoinput()       //�γ���Ϣ¼�뺯�� 
+{
+	FILE *fp;
+	fp=fopen("si.txt","a+");
+	 if(fp==NULL)
+        {
+	        printf("�ļ���ʧ��!\n");
+	        exit(0);
+        }
+    printf("������γ̱�ţ�\n");
+    scanf("%d",&sub.number);
+    printf("������γ����ƣ�\n");
+    scanf("%s",sub.name);
+    printf("������γ�ѧ�֣�\n");
+    scanf("%d",&sub.score);
+    printf("������γ�ѧʱ��\n");
+    scanf("%d",&sub.time);
+    printf("�������ڿ�ѧʱ��\n");
+    scanf("%d",&sub.classtime);
+    printf("������ʵ��ѧʱ��\n");
+    scanf("%d",&sub.exprimenttime);
+    printf("�����뿪��ѧ�ڣ�\n");
+    scanf("%s",sub.term);
+    fprintf(fp,"\n%d\t%s\t%d\t%d\t%d\t%d\t%s\t\n",sub.number,sub.name,sub.score,sub.time,sub.classtime,sub.exprimenttime,sub.term);
+    if(fclose(fp))
+	 {
+		printf("�޷��ر��ļ���\n");
+	  	exit(0);
+	 }
+}
+
+void studentinfo()   //ѧ��ѡ����Ϣ¼�� 
+{
+	FILE *fp;
+	fp=fopen("student.txt","a+");
+	if(fp==NULL)
+	{
+		printf("�ļ���ʧ��!");
+		exit(0);
+	}
+	printf("������ѧ��ѧ�ţ�");
+	scanf("%s",stu.xh);
+	printf("������ѧ��������");
+	scanf("%s",stu.name);
+	printf("��������ѡ�ĵ�һ�ſγ̵ı�ţ�");
+	scanf("%d",&stu.subject_num1);
+	printf("��������ѡ�ĵڶ��ſγ̵ı�ţ�");
+	scanf("%d",&stu.subject_num2); 
+	fprintf(fp,"\n%s\t%s\t%d\t%d\t\n",stu.xh,stu.name,stu.subject_num1,stu.subject_num2);
+	if(fclose(fp))
+	 {
+		printf("�޷��ر��ļ���");
+	  	exit(0);
+	 }
+}
+
+void lookthrough()  //�γ���Ϣ��� 
+{
+	FILE *fp;
+	fp=fopen("si.txt","r");
+		if(fp==NULL)
+	{
+		printf("�ļ���ʧ��!");
+		exit(0);
+	}
+	rewind(fp);
+	printf("ѡ�޿γ���Ϣһ����\n");
+	printf("���\t����\tѧ��\tѧʱ\t�ڿ�ѧʱ\tʵ��ѧʱ\t����ѧ��\n");
+	while(!feof(fp))
+	{
+		fscanf(fp,"%d\t%s\t%d\t%d\t%d\t%d\t%s\t",&sub.number,sub.name,&sub.score,&sub.time,&sub.classtime,&sub.exprimenttime,sub.term);
+		printf("\n%d\t%s\t%d\t%d\t%d\t         %d\t        %s\t\n",sub.number,sub.name,sub.score,sub.time,sub.classtime,sub.exprimenttime,sub.term);
+	 } 
+		if(fclose(fp))
+	  {
+	  	printf("�޷��ر��ļ���\n");
+	  	exit(0);
+	  }	  
+}
+
+void xh_cx()   //��ѧ�Ų�ѯ
+{char s[4];
+char a[4]="";
+FILE *fp;
+int flag=0;
+ printf("�������ѯ��ѧ��:");
+ scanf("%s",s);
+fp=fopen("student.txt","r");  
+ if(fp==NULL)
+   {
+        printf("�ļ���ʧ��!");
+        exit(1);
+   }
+    rewind(fp);
+   while(!feof(fp))
+    {
+        fscanf(fp,"%s%s%d%d",stu.xh,stu.name,&stu.subject_num1,&stu.subject_num2);
+      strncpy(a,stu.xh,4);
+  
+  if(strcmp(a,s)==0)
+{
+printf("%s\t%s\t%d\t%d\n",stu.xh,stu.name,stu.subject_num1,stu.subject_num2);
+flag=1;
+}
+}
+  if(flag==0)
+printf("Not Found!\n");       
+   if(fclose(fp))
+	 {
+		printf("�޷��ر��ļ���");
+	  	exit(0);
+	 }
+}
+
+void score_cx()     //��ѧ�ֲ�ѯ
+{
+	FILE *fp;
+	int xf,a;int flag=0; 
+	fp=fopen("si.txt","r");
+	if(fp==NULL)
+	{
+		printf("�ļ���ʧ��!");
+		exit(1);
+	}
+	rewind(fp);
+	printf("������ѧ�֣�");
+	scanf("%d",&xf);
+	while(!feof(fp))
+	{		
+		    fscanf(fp,"%d\t%s\t%d\t%d\t%d\t%d\t%s\t",&sub.number,sub.name,&sub.score,&sub.time,&sub.classtime,&sub.exprimenttime,sub.term);
+		    a=sub.score;
+		    if(xf==a)
+		        {
+		            printf("%d\t%s\t%d\t%d\t%d\t%d\t%s\t\n",sub.number,sub.name,sub.score,sub.time,sub.classtime,sub.exprimenttime,sub.term);
+			        flag=1;
+				}
+	}
+	if(flag==0)
+	printf("Not Found!\n");
+	if(fclose(fp))
+	 {
+		printf("�޷��ر��ļ���");
+	  	exit(0);
+	 }
+}
+
+
+int main()
+{
+	int n;
+	do
+	{
+	printf("\nѧ��ѡ��ϵͳ\n\n");
+	printf("------------------\n");
+	printf("| 1.�γ���Ϣ¼�� |\n");
+	printf("| 2.ѡ����Ϣ¼�� |\n"); 
+	printf("| 3.�γ���Ϣ��� |\n");
+	printf("| 4.��ѧ�Ų�ѯ   |\n");
+	printf("| 5.��ѧ�ֲ�ѯ   |\n");
+	printf("| 6.�˳�         |\n"); 
+	printf("------------------\n\n");
+	printf("���������ѡ�");
+	scanf("%d",&n);
+	switch(n)
+	{
+		case 1:
+		        {
+		        	system("cls");
+		        	infoinput();
+				    break;
+			    }
+		case 2: 
+		       {
+			        system("cls");
+			        studentinfo();
+					break;
+	        	}  
+		case 3: 
+		        {
+		        	system("cls");
+		        	lookthrough();
+		        	break;
+				  }  
+		case 4: 
+		        {
+		        	system("cls");
+		        	xh_cx();
+		        	break;
+				  }  
+		case 5:  
+		        {
+		        	system("cls");
+		        	score_cx();
+		        	break;
+				}
+		case 6:  
+		       {
+		       	   system("cls");
+		       	   printf("��ӭʹ�ñ�ϵͳ��лл��"); 
+			   }
+		default:break;
+	}
+	} while(n!=6);
+}