From a77abe199ee0eaa891bc6fa5808ae35c5f57962d Mon Sep 17 00:00:00 2001
From: 17773980884 <2578298389@qq.com>
Date: Fri, 11 Jan 2019 22:39:12 +0800
Subject: [PATCH] third commit

---
 学生选修课程系统设计2.c | 425 ++++++++++++++++++++++++++++++
 1 file changed, 425 insertions(+)
 create mode 100644 学生选修课程系统设计2.c

diff --git a/学生选修课程系统设计2.c b/学生选修课程系统设计2.c
new file mode 100644
index 0000000..341821a
--- /dev/null
+++ b/学生选修课程系统设计2.c
@@ -0,0 +1,425 @@
+#include "stdio.h"
+#include "string.h"
+#include "stdlib.h"
+#include"malloc.h"
+void prin1();
+void choose();
+typedef struct subjects
+{
+int num;                
+char name[20];          
+char kind[10];          
+int stime;              
+int ttime;              
+int etime;              
+int score;              
+int term;                
+struct subjects *next;
+}SUB;
+SUB *head=NULL;
+SUB *create_form()          
+{
+SUB *head,*tail,*p;
+int num,stime,ttime;
+int etime,score,term;
+char name[20],kind[10];
+int size=sizeof(SUB);
+head=tail=NULL;
+printf("ÊäÈëÑ¡Ð޿γÌÐÅÏ¢:\n");
+scanf("%d%s%s%d%d%d%d%d",&num,name,kind,&stime,&ttime,&etime,&score,&term);
+while(num!=0)
+{
+p=(SUB *)malloc(size);
+p->num=num;
+strcpy(p->name,name);
+strcpy(p->kind,kind);
+p->stime=stime;
+p->ttime=ttime;
+p->etime=etime;
+p->score=score;
+p->term=term;
+if(head==NULL)
+head=p;
+else
+tail->next=p;
+tail=p;
+scanf("%d%s%s%d%d%d%d%d",&num,name,kind,&stime,&ttime,&etime,&score,&term);
+}
+tail->next=NULL;
+return head;
+}
+void savefile()        
+{
+SUB *p;
+FILE *fp;
+fp=fopen("2.txt","w");
+if(fp==NULL)exit(0);
+printf("¿Î³Ì±àºÅ  ¿Î³ÌÃû³Æ  ¿Î³ÌÐÔÖÊ  ×Üѧʱ  ÊÚ¿Îѧʱ  ʵÑé»òÉÏ»úѧʱ  ѧ·Ö  ¿ª¿ÎѧÆÚ\n");
+for(p=head;p;p=p->next)
+fprintf(fp,"%5d%12s%9s%9d%9d%11d%11d%7d\n",p->num,p->name,p->kind,p->stime,p->ttime,p->etime,p->score,p->term);
+fclose(fp);
+printf("´´½¨ºóµÄÐÅÏ¢ÒÑ·ÅÈë'2.txt'ÎļþÖÐ\n");
+system("pause");
+}
+void savefile1()        
+{
+SUB *p;
+FILE *fp;
+fp=fopen("3.txt","w");
+if(fp==NULL)exit(0);
+for(p=head;p;p=p->next)
+fprintf(fp,"%5d%12s%9s%9d%9d%11d%11d%7d\n",p->num,p->name,p->kind,p->stime,p->ttime,p->etime,p->score,p->term);
+fclose(fp);
+printf("´´½¨ºóµÄÐÅÏ¢ÒÑ·ÅÈë'3.txt'ÎļþÖÐ\n");
+system("pause");
+}
+void readfile()                    
+{
+void *myInsert(SUB*);
+SUB *newSub;    
+int num,stime,ttime,etime;
+int score,term;
+char c,name[20],kind[10],fname[20];
+FILE *fp;
+fp=fopen("2.txt","r");
+while(!feof(fp))
+{
+newSub=(SUB*)malloc(sizeof(SUB));
+fscanf(fp,"%d%s%s%d%d%d%d%d\n",&newSub->num,newSub->name,newSub->kind,&newSub->stime,&newSub->ttime,&newSub->etime,&newSub->score,&newSub->term);
+myInsert(newSub);
+}
+fclose(fp);
+}
+void prin()  
+{
+SUB *ptr;
+head=NULL;
+readfile();
+if(head==NULL)
+{
+printf("\n\n\t*********NO RECORDS!************\n");
+return;
+}
+printf("¿Î³Ì±àºÅ  ¿Î³ÌÃû³Æ  ¿Î³ÌÐÔÖÊ  ×Üѧʱ  ÊÚ¿Îѧʱ  ʵ¼ù»òÉÏ»úѧʱ  ѧ·Ö  ¿ª¿ÎѧÆÚ\n");
+for(ptr=head;ptr;ptr=ptr->next)
+{
+printf("%5d%12s%9s%9d%9d%11d%11d%7d\n",ptr->num,ptr->name,ptr->kind,ptr->stime,ptr->ttime,ptr->etime,ptr->score,ptr->term);
+}
+system("pause");
+}
+void prin1()  
+{
+SUB *ptr;   
+FILE *fp;
+if((fp=fopen("3.txt","r"))==NULL)
+{
+printf("Cannot open file.\n");
+choose();
+}
+printf("¿Î³Ì±àºÅ  ¿Î³ÌÃû³Æ  ¿Î³ÌÐÔÖÊ  ×Üѧʱ  ÊÚ¿Îѧʱ  ʵ¼ù»òÉÏ»úѧʱ  ѧ·Ö  ¿ª¿ÎѧÆÚ\n");
+while(!feof(fp))
+{
+ptr=(SUB*)malloc(sizeof(SUB));
+fscanf(fp,"%d%s%s%d%d%d%d%d\n",&ptr->num,ptr->name,ptr->kind,&ptr->stime,&ptr->ttime,&ptr->etime,&ptr->score,&ptr->term);
+printf("%5d%12s%9s%9d%9d%11d%11d%7d\n",ptr->num,ptr->name,ptr->kind,ptr->stime,ptr->ttime,ptr->etime,ptr->score,ptr->term);
+}
+system("pause");
+}
+void *myInsert(SUB *subj)  
+{
+SUB *ptr,*ptr2;
+ptr=subj;
+if(head==NULL)
+{
+head=ptr;
+head->next=NULL;
+}
+else
+{
+for(ptr2=head;ptr2;ptr2=ptr2->next)
+if(ptr2->next==NULL)
+{
+ptr2->next=subj;
+subj->next=NULL;
+break;
+}
+}
+return head;
+}
+void *insert()
+{
+SUB *ptr,*subj;
+int size=sizeof(SUB);
+char ch,ch1;
+while(ch!='0')
+{
+subj=(SUB *)malloc(size);
+ptr=subj;
+printf("ÊäÈëÒª²åÈëµÄ¿Î³ÌÐÅÏ¢:\n");
+printf("\n\t\tÇëÊäÈë¿Î³Ì±àºÅ:");scanf("%d",&subj->num); 
+printf("\n\t\tÇëÊäÈë¿Î³ÌÃû³Æ:");scanf("%s",&subj->name); 
+printf("\n\t\tÇëÊäÈë¿Î³ÌÐÔÖÊ:");scanf("%s",&subj->kind); 
+printf("\n\t\tÇëÊäÈë×Üѧʱ:");scanf("%d",&subj->stime);
+printf("\n\t\tÇëÊäÈëÊÚ¿Îѧʱ:");scanf("%d",&subj->ttime);
+printf("\n\t\tÇëÊäÈëʵ¼ù»òÉÏ»úѧʱ:");scanf("%d",&subj->etime);
+printf("\n\t\tÇëÊäÈëѧ·Ö:");scanf("%d",&subj->score);
+printf("\n\t\tÇëÊäÈ뿪¿ÎѧÆÚ:");scanf("%d",&subj->term);
+myInsert(subj);
+printf("\nÌí¼ÓÍê±Ï,ÐÂÐÅÏ¢´æÈëÎļþÖÐ\n");
+printf("\n¼ÌÐø²åÈëÇë°´»Ø³µ\n");
+printf("\n½áÊøÌí¼Ó¿Î³Ì°´ 0: [ ]\b\b");
+ch1=getchar();                      
+ch=getchar();
+}
+return head;
+}
+void *del()  
+{
+SUB *p1,*p2;
+char ch,ch1;
+int num;
+while(ch!='0')
+{
+printf("ÊäÈëÏëҪɾ³ýµÄ¿Î³Ì±àºÅ:[    ]\b\b\b\b\b");
+scanf("%d",&num);
+if(head->num==num)
+{
+p2=head;
+head=head->next;
+free(p2);
+}
+if(head==NULL)
+return NULL;
+p1=head;
+p2=head->next;
+while(p2)
+{
+if(p2->num==num)
+{
+p1->next=p2->next;
+free(p2);
+}
+else
+p1=p2;
+p2=p1->next;
+}
+printf("\n¼ÌÐøɾ³ýÇë°´»Ø³µ\n");
+printf("\n½áÊøɾ³ý¿Î³Ì°´ 0: [ ]\b\b");
+ch1=getchar();                      
+ch=getchar();
+printf("\nɾ³ýÍê±Ï,ÐÂÐÅÏ¢´æÈëÎļþÖÐ\n");
+system("pause");
+}
+return head;
+system("pause");
+}
+void choose()
+{
+SUB *p,*q;
+int a[5];
+int num,total=0,i=0,j;
+printf("ÊäÈëҪѡÐ޵Ŀγ̵ıàºÅ,±àºÅÖ®¼äÒÔ¿Õ¸ñ·Ö¿ª\n");
+scanf("%d",&num);
+printf("Èç¹ûÈ·ÈÏÊäÈëÍêҪѡÐ޵Ŀγ̵ıàºÅ,ÇëÊäÈë0: [ ]\b\b");
+while(num!=0)
+{
+for(p=head;p;p=p->next)
+if(p->num==num)
+{
+total=total+p->score;
+a[i]=num;
+i++;
+}
+scanf("%d",&num);
+}
+if(total<60)
+{
+printf("Ñ¡ÐÞ×Üѧ·ÖΪ%d,δ´ïµ½60,Ñ¡ÐÞʧ°Ü!\n",total);
+system("pause");
+}
+else
+{
+FILE *fp;
+fp=fopen("3.txt","w");
+for(j=0;j<i;j++)
+for(q=head;q;q=q->next)
+if(q->num==a[j])
+fprintf(fp,"%5d%12s%9s%9d%9d%11d%11d%7d\n",q->num,q->name,q->kind,q->stime,q->ttime,q->etime,q->score,q->term);
+fclose(fp);
+printf("\t\t\n*****Ñ¡Ð޳ɹ¦!****\n");
+printf("\nÄúÑ¡Ð޵ĿγÌ×Üѧ·ÖΪ%d,¿Î³Ì·Ö±ðΪ:\n",total);
+printf("\n¿Î³Ì±àºÅ  ¿Î³ÌÃû³Æ  ¿Î³ÌÐÔÖÊ  ×Üѧʱ  ÊÚ¿Îѧʱ  ʵ¼ù»òÉÏ»úѧʱ  ѧ·Ö  ¿ª¿ÎѧÆÚ\n");
+for(j=0;j<i;j++)
+for(q=head;q;q=q->next)
+if(q->num==a[j])
+printf("%5d%12s%9s%9d%9d%11d%11d%7d\n",q->num,q->name,q->kind,q->stime,q->ttime,q->etime,q->score,q->term);
+printf("\nÒÔÉÏÐÅϢȫ²¿±£´æÔÚ'3.txt'ÖÐ\n");
+}
+system("pause");
+}
+void search()                        
+{
+int a,num;
+int t=1;
+char type[10],min[10];
+SUB *ptr;
+L1:system("cls");
+printf("\n\n\t\t**********ÇëÑ¡Ôñ²éѯ·½Ê½*************\n");
+printf("\n\t\t\t1---°´¿Î³ÌÃû³Æ²éÕÒ\n");
+printf("\n\t\t\t2---°´¿Î³ÌÐÔÖʲéÕÒ\n");
+printf("\n\t\t\t3---°´Ñ§·Ö²éÕÒ\n");
+printf("\n\t\t\t4---Í˳ö²éÕÒ\n");
+printf("\n\n\t\t**************************************\n");
+printf("\n\nChiose your number(1-4):[ ]\b\b");
+scanf("%d",&a);
+switch(a)
+{
+case 1:printf("ÇëÊäÈëÒª²éÕҵĿγ̵ÄÃû³Æ:");
+scanf("%s",min);
+printf("¿Î³Ì±àºÅ  ¿Î³ÌÃû³Æ  ¿Î³ÌÐÔÖÊ  ×Üѧʱ  ÊÚ¿Îѧʱ  ʵ¼ù»òÉÏ»úѧʱ  ѧ·Ö  ¿ª¿ÎѧÆÚ\n");
+for(ptr=head;ptr;ptr=ptr->next)
+if(strcmp(min,ptr->name)==0)
+{
+printf("%5d%12s%9s%9d%9d%11d%11d%7d\n",ptr->num,ptr->name,ptr->kind,ptr->stime,ptr->ttime,ptr->etime,ptr->score,ptr->term);
+t=0;
+}
+if(t)
+printf("\t\nδÕÒµ½!\n");
+t=1;
+system("pause");
+goto L1;
+case 2:printf("ÇëÊäÈëÒª²éÕҵĿγ̵ÄÐÔÖÊ:");
+scanf("%s",type);
+printf("¿Î³Ì±àºÅ  ¿Î³ÌÃû³Æ  ¿Î³ÌÐÔÖÊ  ×Üѧʱ  ÊÚ¿Îѧʱ  ʵ¼ù»òÉÏ»úѧʱ  ѧ·Ö  ¿ª¿ÎѧÆÚ\n");
+for(ptr=head;ptr;ptr=ptr->next)
+if(strcmp(type,ptr->kind)==0)
+{
+printf("%5d%12s%9s%9d%9d%11d%11d%7d\n",ptr->num,ptr->name,ptr->kind,ptr->stime,ptr->ttime,ptr->etime,ptr->score,ptr->term);
+t=0;
+}
+if(t)
+printf("\t\nδÕÒµ½!\n");
+t=1;
+system("pause");
+goto L1;
+case 3:printf("ÊäÈëÒª²éÕҵĿγ̵Äѧ·Ö:");
+scanf("%d",&num);
+printf("¿Î³Ì±àºÅ  ¿Î³ÌÃû³Æ  ¿Î³ÌÐÔÖÊ  ×Üѧʱ  ÊÚ¿Îѧʱ  ʵ¼ù»òÉÏ»úѧʱ  ѧ·Ö  ¿ª¿ÎѧÆÚ\n");
+for(ptr=head;ptr;ptr=ptr->next)
+if(ptr->score==num)
+{
+printf("%5d%12s%9s%9d%9d%11d%11d%7d\n",ptr->num,ptr->name,ptr->kind,ptr->stime,ptr->ttime,ptr->etime,ptr->score,ptr->term);
+t=0;
+}
+if(t)
+printf("\n\tδÕÒµ½!\n");
+t=1;
+system("pause");
+goto L1;
+case 4:break;
+}
+}
+void Mangers()
+{
+int n,w=1,flag=0,i=3;
+char s[8];
+char password[7]="1";
+do
+{
+printf("\n\nEnter password:");
+scanf("%s",s);
+if(!strcmp(s,password))              
+{
+flag=1;
+break;
+}
+else
+{
+printf("\n\nError! You only have %d times! Enter again:\n",i-1);
+i--;
+}
+}
+while(i>0);
+if(!flag)
+{
+printf("you have Enter 3 times!");      
+exit(0);                                
+}
+do
+{
+system("cls");
+printf("\n\n\t\t*********************¹ÜÀíÔ±²Ëµ¥***********************\n\n");
+printf("\t\t\t\t1---ä¯ÀÀ¿Î³Ì\n");
+printf("\t\t\t\t2---²éѯ¿Î³Ì\n");
+printf("\t\t\t\t3---Ìí¼Ó¿Î³Ì\n");
+printf("\t\t\t\t4---ɾ³ý¿Î³Ì\n");
+printf("\t\t\t\t5---·µ»ØÖ÷²Ëµ¥");
+printf("\n\n\t\t******************************************************\n");
+printf("Chiose your number(1-5):[ ]\b\b");
+scanf("%d",&n);
+switch(n)
+{
+case 1:prin();break;
+case 2:search();break;
+case 3:insert();savefile();break;
+case 4:del();savefile();break;
+case 5:return;
+default:;
+}
+}
+while(w==1);
+}
+void Students()
+{
+int n,w=1;
+do
+{
+system("cls");
+puts("\n\n\t\t*********************ѧÉú²Ëµ¥***********************\n\n");
+puts("\t\t\t\t1---ä¯ÀÀËùÓпγÌ\n");
+puts("\t\t\t\t2---²éѯ¿Î³ÌÐÅÏ¢\n");
+puts("\t\t\t\t3---Ñ¡ÔñÑ¡Ð޿γÌ\n");
+puts("\t\t\t\t4---ä¯ÀÀÎÒÑ¡Ð޵ĿγÌ\n");
+puts("\t\t\t\t5---ɾ³ý´íÑ¡¿Î³Ì\n");
+puts("\t\t\t\t6---·µ»ØÖ÷²Ëµ¥");
+puts("\n\n\t\t****************************************************\n");
+printf("Chiose your number(1-6):[ ]\b\b");
+scanf("%d",&n);
+switch(n)
+{
+case 1:prin();break;
+case 2:search();break;
+case 3:choose();break;
+case 4:prin1();break;
+case 5:del();savefile1();break;
+case 6:return;
+default:;
+}
+}
+while(w==1);
+}
+int  main()
+{
+int n,w=1;
+do
+{
+system("cls");
+puts("\n\n\t\t*********************MENU***********************\n\n");
+puts("\t\t\t\t1.ÒÔ¹ÜÀíÔ±Éí·ÝµÇ¼(password 1)\n");
+puts("\t\t\t\t2.ÒÔѧÉúÉí·ÝµÇ¼\n");
+puts("\t\t\t\t3.Í˳ö");
+puts("\n\n\t\t************************************************\n");
+printf("Chiose your number(1-3):[ ]\b\b");
+scanf("%d",&n);
+switch(n)
+{
+case 1:Mangers() ;break;
+case 2:Students();break;
+case 3:w=0;break;
+default:;
+}
+}
+while(w==1);
+return 0;
+}
+