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C++學(xué)生信息管理系統(tǒng)

來源：本站原創(chuàng)|時(shí)間：2020-01-10|欄目：C語言|點(diǎn)擊： 次

本文實(shí)例為大家分享了C++學(xué)生信息管理系統(tǒng)源碼，供大家參考，具體內(nèi)容如下

1. tea_list.c

#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include"teacher.h"
int sq_tea ;
PTEA head = NULL ;
FILE *fp ;
int tea_llopen(const char* path)//打開文件
{
 fp=fopen(path,"r");
 if(fp==NULL){
  perror("open fail");
  return -1;}
#ifdef DEBUG
 printf ("debug--001") ;
#endif
 PTEA p;
 int ret;
 while(p)
 {
  p=malloc(sizeof(TEA));
  if(p==NULL){
   perror("申請空間不夠");
   return -1;}
  ret=fscanf(fp,"%d%d%d%s%s",
   &p->id,&p->age,&p->wages,p->name,p->passwd);
  if(ret<=0) break;
  if(head==NULL){
   p->next=NULL;
   p->pre=NULL;
   head=p;}
  else{
   p->next=head;
   p->pre=NULL;
   head->pre=p;
   head=p;}
 }
 return 0;
}
#if 1
int tea_llshow( )//顯示
{
 if(head==NULL)
 return -1;
 PTEA p=head;
 printf("工號(hào)\t年齡\t工資\t姓名\n");
 while(p)
 {
 printf("%d\t%d\t%d\t%s\n",
 p->id,p->age,p->wages,p->name);
 p=p->next;
 }
 return 0;
}
 
PTEA tea_llcheck(PTEA a)//查找
{
 printf("輸入查找教師工號(hào)\n");
 int id;
 scanf("%d",&id);
   while(getchar()!='\n');
  PTEA p;
  p=head;
  while(p)
  {
   if(p->id==id){
 printf ("工號(hào)\t年齡\t薪水\t姓名\n " );
 printf ("%d\t%d\t%d\t%s\n",p->id,p->age,p->wages,p->name);
  break ;
         }
  p=p->next;
 }
  if (p==NULL) {
    printf ("未找到該教師\n");
    printf ("是否繼續(xù)查找y/n\n") ;
   char ch ;
   getchar();
   ch=getchar();
   if((ch=='y')||(ch=='Y')) 
   tea_llcheck (p ) ; 
   else
    return NULL ;
  }  
  
return 0;
 
}
#endif
#if 1
int tea_lladd(PTEA b )//增加老師信息
{
#ifdef _DEBUG_ 
 printf ("debug-001\n") ;
#endif
  PTEA p ;
  char ch ;
  p=malloc(sizeof(TEA));
  if(p==NULL){
   perror("申請空間不夠\n");
   return -1;}
  printf ("請輸入添加老師的信息\n工號(hào)\t年齡\t薪水\t姓名\t密碼\n") ;
  scanf("%d%d%d%s",&p->id,&p->age,&p->wages,p->name,p->passwd) ;
    while(getchar()!='\n');
  if ( p == NULL )
   return -1 ;
  if ( head == NULL ) //說明鏈表為空，加入成第一個(gè)
  { p->next = NULL ;
   p->pre = NULL ;
   head->pre = p ;
   head = p ; 
  }
   else {
   p->next=head ;
   p->pre=NULL ;
   head->pre = p ;
   head=p ;
   }
/*  fprintf ( fp , "%d\t%d\t%d\t%s\n",p->id,p->age,p->wages,p->name ) ;
    fclose ( fp ) ;
     fopen ("teacher.txt" , "a+");
*/  
 
 
  return 0 ;
}
 
#endif 
#if 1
int tea_lldelete( PTEA a ) //刪除老師
{ int key ;
 printf ("請輸入要?jiǎng)h除的老師的工號(hào)\n") ;
 scanf ("%d",&key);
   while(getchar()!='\n');
 PTEA p ;
 PTEA q ;
 p = head ;
 while (p)
 { if (p->id == key )
  {
 if( (p == head)&&(head->next!=NULL) )
  { head = head->next ;
   head->pre = NULL ; 
#ifdef _DEBUG_
  printf ("case 1\n") ;
#endif
  }
  else if ((p==head) && ( head->next==NULL))
  { head = NULL ;
#ifdef _DEBUG_
  printf ("case 2\n") ; 
#endif  
  } 
  else if( (p!=head )&&(p->next!=NULL) )
   {p->pre->next=p->next ;
    p->next->pre = p->pre ;
#ifdef _DEBUG_
    printf ("case 3\n ") ; I
#endif 
   }
  else { p->pre->next = NULL ;
#ifdef _DEBUG_ 
    printf ("case 4\n") ; 
#endif 
  }
     break ;
 } 
   p = p->next ;
   
 }
    free (p) ;
  if (p==NULL)
   printf ("未找到該教師") ;
/*  fp = fopen("teacher.txt","r+");
 while(p){
 fprintf (fp ," %d\t%d\t%d\t%s\n" , p->id , p->age ,p->wages , p->name );
  p=p->next ;
 }
  fclose (fp) ;
  tea_llopen ;
*/ }
#endif 
#if 1 
int tea_llchange()//修改老師信息
{ 
 PTEA p;
 printf("\n輸入工號(hào)");
  int key;
  scanf("%d",&key);
   while(getchar()!='\n');
   p=head;
   while(p)
   {
     if(p->id==key){
   printf("工號(hào)\t年齡\t薪水\t姓名\n");
 scanf("%d%d%d%s%s",
  &p->id,&p->age,&p->wages,p->name,p->passwd);
   while(getchar()!='\n');
    break ;
}
     p=p->next;}
 
     p = head ;
 printf ("修改之后為\n");
  printf("學(xué)號(hào)\t年齡\t數(shù)學(xué)\t英語\t語文\t班級(jí)\t姓名\t密碼\n");
  while(p)
  {
 printf("%d\t%d\t%d\t%s\t%s\n",
 p->id,p->age,p->wages,p->name,p->passwd);
  p=p->next;
  }
 
 
 
 return 0;
}
 
 
#endif
 
#if 1
 
PTEA tea_check_id() //校驗(yàn)老師用戶名
{
 PTEA p;
 p = head;
 int id;
 char ch;
 printf("請輸入您的工號(hào):");
 scanf("%d",&id);
   while(getchar()!='\n');
 while(p)
 {
  if(p->id==id){
   return p;
 
  }
  p = p->next;
 }
 if(p==NULL){
 printf("找不到該用戶\n");
 printf("是否重試?[y/n]\n");
// scanf("%c",&ch) ;
 // getchar () ;
 ch = getchar () ;
 if ((ch=='y')||(ch=='Y'))
   tea_check_id();
 else
  menu();
}
}
#endif
#if 1
PTEA tea_check_passwd() //校驗(yàn)老師密碼
{
 PTEA p;
 p =tea_check_id();
 char passwd[20];
 char ch;
 printf("請輸入密碼:");
 scanf("%s",passwd); 
   while(getchar()!='\n');
 if(strcmp (p->passwd , passwd)==0)
 { 
  sq_tea = p->id ;
#ifdef _DEBUG_
  printf("================%d\n",p->id) ;
  printf("================%d\n",sq_tea) ;
  getchar();
  getchar();
#endif
  return p;
 }else{
 printf("密碼不正確\n");
 printf("是否重新輸入[y/n]\n");
// getchar() ;
 ch = getchar () ;
   while(getchar()!='\n');
 if((ch=='y')||(ch=='Y'))
  tea_check_passwd();
 else
  menu();
 }
 return NULL;
}
#endif
#if 1
int tea_change_passwd()
{
 PTEA p;
 p=tea_check_passwd();
 char new_passwd[20];
 char new[20];
 char ch;
 printf("請輸入新密碼:");
 scanf("%s",new_passwd);
  while(getchar() != '\n');
 printf("請?jiān)俅屋斎胄旅艽a:");
 scanf("%s",new);
  while(getchar() != '\n');
 if(strcmp(new_passwd,new)==0)
 {
  strcpy(p->passwd,new_passwd) ;
   printf("密碼修改成功!\n");
 
 
 // tea_write() ;
 }
 else
 {
 printf("密碼輸入錯(cuò)誤\n");
 printf("是否重試[y/n]\n");
// getchar();
 ch=getchar() ;
   while(getchar()!='\n');
 if((ch=='y')||(ch=='Y'))
  tea_change_passwd();
 else
  exit(1);
 }
 return 0;
}
#endif
 
#if 1
int tea_lookme()
{
 PTEA p;
 p = head ;
 while (p) { 
  if( p->id == sq_tea ) {
 printf("工號(hào)\t年齡\t薪水\t姓名\t密碼\n");
  printf("%d\t%d\t%d\t%s\n%s\n",
   p->id,p->age,p->wages,p->name,p->passwd);
  }
 p = p->next ;
} 
 return 0 ;
}
#endif
 
 
#if 1
 
int tea_write()
{
  PTEA p;
 // PTEA head ;
  FILE *fp;
  p=head;
  fp=fopen("teacher.txt","w+");
  while(p)
  { 
  fprintf( fp, 
     "%d\t%d\t%d\t%s\t%s\n",
     p->id,p->age,p->wages,p->name,p->passwd);
     p=p->next;
                 } 
        return 0;
}
 
 
#endif
 
 
#if 0
int main(int argc,char * argv[])
{
 if(argc<2){
  printf("execult error");
  return -1;}
 int ret;
 PTEA p;
 ret=tea_llopen(argv[1]);
  if(ret<0){
   printf("list is end\n");
   return -1;}
// tea_llshow(head);
// int id;
/* p=tea_llcheck();
 printf("%d\t%d\t%d\t%s\n",
 p->id,p->age,p->wages,p->name);
*/ //tea_llshow();
// tea_lladd(head) ;
// tea_llshow(head) ;
// tea_lldelete( head ) ; 
 // tea_llshow(head) ;
 tea_llcheck(head) ;
  return 0;
 }
#endif

2. stu_list.c     

#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include"student.h"
PSTU head1 = NULL ;
int sq_stu ;
#if 1
 FILE*fp;
int stu_llopen(char* path)//打開文件
{
 fp=fopen(path,"r");
 if(fp==NULL){
  perror("open fail");
  return -1;}
#ifdef _DEBUG_
   printf ("open susess\n") ;
#endif
 PSTU p;
 int ret;
 while(p)
 { 
#ifdef _DEBUG_
  perror("while -time\n");
#endif
  p=malloc(sizeof(STU));
  if(p==NULL){
   printf("申請空間不夠");
   return -1;}
  ret=fscanf(fp,"%d%d%d%d%d%d%s%s",
   &p->id,&p->age,&p->math,&p->english,
   &p->chinese,&p->class,p->name,p->passwd);
#ifdef _DEBUG_
  printf("ret is ok\n") ;
#endif
  if(ret<=0) {
#ifdef _DEBUG_
   printf ("list is end \n ") ;
#endif
   break;
  }
  if(head1==NULL){
   p->next=NULL;
   p->pre=NULL;
   head1=p;}
  else{
   p->next=head1;
   p->pre=NULL;
   head1->pre=p;
   head1=p;} 
 }
 return 0;
}
#endif
int stu_llshow()//顯示
{
// FILE *fp;
 if(head1==NULL)
 return -1;
 PSTU p=head1;
 printf("學(xué)號(hào)\t年齡\t數(shù)學(xué)\t英語\t語文\t班級(jí)\t姓名\n");
 while(p)
 {
 printf("%d\t%d\t%d\t%d\t%d\t%d\t%s\n",
 p->id,p->age,p->math,p->english,p->chinese,
 p->class,p->name);
 p=p->next;
 }
//  fflush(stdout) ;
 return 0;
}
 
int stu_llcheck()//查找
{
 printf("\n輸入查找學(xué)號(hào)\n");
 int key;
 scanf("%d",&key);
  while(getchar()!='\n');
   PSTU p;
  p=head1;
 if(head1==NULL) 
 {
 printf ("打開鏈表失敗") ;
  return -1;
 }
  while(p)
  {
   if(p->id==key) {
#ifdef _DEBUG_
 printf ("while p ") ;  
#endif
 printf("%d\t%d\t%d\t%d\t%d\t%d\t%s\n",
 p->id,p->age,p->math,p->english,p->chinese,
 p->class,p->name);
    break ;
}    
    p=p->next;
    }
 
  if (p==NULL) {
  printf ("未找到該學(xué)生");
  printf ("是否繼續(xù)查找y/n") ;
  char ch ;
  ch=getchar();
  while(getchar()!='\n');
  if((ch='y')||(ch=='Y')) 
    stu_llcheck() ;
   else exit(1) ;
 
  }
 
return 0;
}
int __stu_lladd(PSTU p)//被調(diào)用添加
{
 if(p==NULL) return -1;
 if(head1==NULL){
  p->next=NULL;
  p->pre=NULL;
  head1->pre=p;
  head1=p;}
 else{
  p->next=head1;
  p->pre=NULL;
  head1->pre=p;
  head1=p;}
 return 0;
}
int stu_lladd()//添加
{
 PSTU p;
 p=malloc(sizeof(STU));
 if(p==NULL) return -1;
 printf("\n輸入添加學(xué)生信息\n\n");
 printf("學(xué)號(hào)\t年齡\t數(shù)學(xué)\t英語\t語文\t班級(jí)\t姓名\t密碼\n");
 scanf("%d%d%d%d%d%d%s",
  &p->id,&p->age,&p->math,&p->english,
  &p->chinese,&p->class,p->name,p->passwd);
 __stu_lladd(p);
/* fprintf( fp ,
   "%d\t%d\t%d\t%d\t%d\t%d\t%s\n",
   p->id,p->age,p->math,p->english,p->chinese,p->class,p->name );
 fclose (fp) ;
  fp = fopen ("student.txt","r" ) ;
*/
 return 0;
}
#if 1
int __stu_lldelete(int id)//被調(diào)用的刪除
{
  PSTU p;
  PSTU q=NULL;
  p=head1;
  while(p)
  {
  if(p->id==id){
   if(p==head1){
    if(head1->next){
     head1=head1->next;
     head1->pre=NULL;}
    else{
     head1=NULL;}
      }
    else{
     if(p->next){
      p->pre->next=p->next;
      p->next->pre=p->pre;}
     else{
      p->pre->next=NULL;}
    }
   
   break;
  }
  p=p->next;
  } 
   if (p==NULL) {
      printf ("未找到該學(xué)生\n");
 
   }
   free(p);
/*  fclose (fp) ;
  p=head1 ;
  fp = fopen("student.txt","w+");
 while(p){
 fprintf (fp ,
   "%d\t%d\t%d\t%d\t%d\t%d\t%s\n", 
  p->id,p->age,p->math,p->english,p->chinese,p->class, p->name); 
   p=p->next ;
            } 
         fclose (fp) ;
        fp = fopen ("student.txt","r" ) ;
         p=head1 ;
        stu_llopen("") ;
*/}
int stu_lldelete()//刪除
{
  int id;
  PSTU p;
 printf("\n輸入刪除學(xué)號(hào)\n");
 scanf("%d",&id);
 while(getchar()!='\n') ;
 return __stu_lldelete(id);
}
#endif
#if 1
int stu_llchange()//修改
{ 
 PSTU p;
 printf("\n輸入修改學(xué)號(hào)");
  int key;
  scanf("%d",&key);
  while(getchar() != '\n');
   p=head1;
   while(p)
   {
     if(p->id==key){
   printf("學(xué)號(hào)\t年齡\t數(shù)學(xué)\t英語\t語文\t班級(jí)\t姓名\t密碼\n");
 scanf("%d%d%d%d%d%d%s%s",
  &p->id,&p->age,&p->math,&p->english,
 &p->chinese,&p->class,p->name,p->passwd);
 
    break ;
}
     p=p->next;}
 
/* fprintf( fp ,
   "%d\t%d\t%d\t%d\t%d\t%s\t%d\n",
   p->id,p->age,p->math,p->english,p->chinese,p->name,p->class );
 printf("學(xué)號(hào)\t年齡\t數(shù)學(xué)\t英語\t語文\t姓名\t班級(jí)");
*/  p = head1 ;
 printf ("修改之后為\n");
  printf("學(xué)號(hào)\t年齡\t數(shù)學(xué)\t英語\t語文\t班級(jí)\t姓名\n");
  while(p)
  {
 printf("%d\t%d\t%d\t%d\t%d\t%d\t%s\n",
 p->id,p->age,p->math,p->english,p->chinese,
  p->class,p->name);
  p=p->next;
  }
 
 
 
 return 0;
}
#endif
#if 1 //排序
int stu_sort()
{
 PSTU p ;
// p->sum == (p->math + p->english + p->chinese) ;
PSTU new_head1=NULL;
PSTU q=NULL,max=head1,prev;
 printf ("按照總成績排序\n");
while(head1)
{
 //1,找到最大分?jǐn)?shù)的節(jié)點(diǎn)地址
 max = head1;
 prev=q=NULL;
 p=head1;
 while(p)
 {
  if( (p->math+p->english+p->chinese) > (max->math+max->english+max->chinese) )
  {
   max = p;
   prev= q;
  }
  q = p;
  p=p->next;
 }
 if(prev){
  prev->next = max->next;
 }else{
   head1= head1->next;
 }
 
 //3,把該節(jié)點(diǎn)頭插到新鏈表頭指針
 max->next = new_head1;
 new_head1 = max;
}
head1 = max;
stu_llshow() ;
 return 0 ;
}
#endif
 
#if 1
PSTU stu_check_id() //校驗(yàn)學(xué)生用戶名
{
 PSTU p;
 p = head1;
 int id;
 char ch;
 printf("請輸入您的學(xué)號(hào):");
 scanf("%d",&id);
  while(getchar() != '\n');
 while(p)
 {
  if(p->id==id){
   return p;
  }
  p = p->next;
 }
  printf ("找到該用戶\n") ;
 if(p==NULL){
 printf("找不到該用戶\n");
 printf("是否重試?[y/n]\n");
 ch = getchar () ;
  while(getchar()!='\0');
 if ((ch=='y')||(ch=='Y'))
   stu_check_id();
 else
  menu();
}
}
#endif
#if 1
PSTU stu_check_passwd() //校驗(yàn)學(xué)生密碼
{
 PSTU p;
 p =stu_check_id();
 char passwd[20];
 char ch;
 printf("請輸入密碼:");
 scanf("%s",passwd);
  while(getchar()!='\n') ;
 if(strcmp (p->passwd , passwd)==0)
  {
  sq_stu = p->id ;
  return p;
 }else{
 printf("密碼不正確\n");
 printf("是否重新輸入[y/n]\n");
 ch = getchar () ;
  while(getchar()!='\n');
 if((ch=='y')||(ch=='Y'))
  stu_check_passwd();
 else
  menu();
 }
 return NULL;
}
#endif
#if 1
int stu_change_passwd()
{
 PSTU p;
 p=stu_check_passwd();
// p->passwd=1234;
 char new_passwd[20];
 char new[20];
 char ch;
 printf("請輸入新密碼:");
 scanf("%s",new_passwd);
 while(getchar() != '\n');
 printf("請?jiān)俅屋斎胄旅艽a:");
 scanf("%s",new);
  while(getchar()!='\n') ;
 if(strcmp(new_passwd,new)==0)
 {
  strcpy(p->passwd,new_passwd) ;
   printf("密碼修改成功!\n");
 }
 else
 {
 printf("密碼輸入錯(cuò)誤\n");
 printf("是否重試[y/n]\n");
 ch=getchar();
 while (getchar()!='\n') ;
 if((ch=='y')||(ch=='Y'))
  stu_change_passwd();
 else
  student_menu();
 }
 return 0;
}
#endif
 
#if 1
int stu_lookme()
{
 PSTU p;
 p = head1 ;
#ifdef _DEBUG_
  printf ("%d\n",sq_stu) ;
#endif
 while (p) {
    if (p->id==sq_stu){ 
    printf("學(xué)號(hào)\t年齡\t數(shù)學(xué)\t英語\t語文\t班級(jí)\t姓名\t密碼\n");
    printf("%d\t%d\t%d\t%d\t%d\t%d\t%s\t%s\n",
    p->id,p->age,p->math,p->english,p->chinese, p->class,p->name,p->passwd);
 }      p = p->next ;
       
 } 
 return 0 ; 
}
 
#endif
#if 1
 
int stu_write()
{
 PSTU p;
 FILE *fp;
// PSTU head1 ;
 p=head1;
 fp=fopen("student.txt","w");
 while(p)
 {
 fprintf( fp,
   "%d\t%d\t%d\t%d\t%d\t%d\t%s\t%s\n",
    p->id,p->age,p->math,p->english,p->chinese,p->class,p->name,p->passwd);
     p=p->next;
 }
 return 0;
}
#endif
#if 1 
void stu_check_class() 
{
int class ;
PSTU p ;
int i=0 ;
p = head1 ;
printf ("請輸入您要查找的班級(jí):\n");
scanf ("%d",&class);
  while(getchar()!='\n') ;
while (p){ 
 if (p->class==class ) {
  printf("%d\t%d\t%d\t%d\t%d\t%d\t%s\n",
    p->id,p->age,p->math,p->english,p->chinese,
    p->class,p->name); 
      i++ ; }
     p=p->next; 
  
}
  if((p==NULL)&&(i==0))
 printf("未找到該班級(jí)\n");
 
}
 
#endif
 
#if 0
int main(int argc,char * argv[])
{
 /* if(argc<2){
  printf("execult error");
  return -1;}
*/ int ret;
 PSTU p;
 ret=stu_llopen("student.txt");
  if(ret<0){
   printf("創(chuàng)建失敗\n");
   return -1;}
 
 printf ("debug-000\n") ;
 
// int id;
  stu_llshow();
// stu_lldelete();
//   stu_llcheck() ;
// stu_llshow();
 stu_check_class() ; 
// stu_llchange();
// sleep (1) ;
// stu_llshow();
// stu_sort();
// stu_llshow();
return 0;
}
#endif

3. student.txt   
1002    25  100 90  85  1   s1  000
1003    25  107 90  84  1   s1  000
1004    25  100 90  80  1   s1  000
1005    25  107 90  80  1   s1  000
1006    25  100 90  80  1   s1  000
1007    25  108 90  80  1   s1  000
1008    25  100 78  80  1   s1  000
1009    25  100 90  80  1   s1  000
1010    25  100 45  80  1   s1  000
1012    25  90  90  80  1   s1  000

4. teacher.txt
10002   75  4500    wang2   000
10003   75  4500    wang3   000
10004   75  4500    wang4   000
10005   75  4500    wang5   000
10006   75  4500    wang6   000
10007   75  4500    wang7   000
10008   75  4500    wang8   000
10009   75  4500    wang9   000
10010   75  4500    wang10  000
10011   75  4500    wang11  000
10012   75  4500    wang12  000
10013   75  4500    wang13  000
10014   75  4500    wang14  000
10015   75  4500    wang15  000
10016   75  4500    wang16  000
10017   75  4500    wang17  000
10018   75  4500    wang18  000

5. menu.c     

#include"student.h"
#include"teacher.h"
#if 1
void admin_menu_1()
{
 char u[20]="";
 char u1[20]="admin";
 char p[20]="";
 char p1[20]="admin";
 while (1)
 {
 printf("管理員用戶名\n");
 scanf("%s",u);
    while(getchar()!= '\n');
 printf("管理員密碼\n");
 scanf("%s",p);
    while(getchar()!= '\n');
 if (strcmp(u,u1)==0&&strcmp(p,p1)==0)
      admin_menu_2() ;
 else
  printf ("輸入用戶名或密碼不正確，是否重試y/n\n");
  char ch ;
  ch=getchar() ;
    while(getchar()!= '\n');
  if ((ch=='y')||(ch=='Y'))
    admin_menu_1() ;
   else
      menu() ;
   
 }
}
#endif
#if 1
void admin_menu_2() {
 while(1)
 { system ("clear");
  printf("\n\n\n");    
  printf("\t\t\t\t******************************\n");
  printf("\t\t\t\t*   1.管理老師  *\n");
  printf("\t\t\t\t*   2.管理學(xué)生  *\n");
  printf("\t\t\t\t*   0.返回   *\n");
  printf("\t\t\t\t******************************\n");
  printf("\t\t\t\t請輸入數(shù)字選擇\n");
   char ch ;   
   ch=getchar();
   while(getchar()!= '\n');
  switch(ch)
  {
   case '1':
     admin_menu_2_1() ;
       break ;
   case '2':
     admin_menu_2_2() ;
       break ;
   case '0':
     menu();
   default:
       admin_menu_2() ;
       break;
 }
 }
 
 }
 
#endif 
#if 1
void teacher_menu() 
{
 tea_check_passwd();
 
 
 char ch;
 while(1)
 {  
  printf("\n\n\n");    
  printf("\t\t\t\t******************************\n");
  printf("\t\t\t\t* 1.查找學(xué)生信息   *\n");
  printf("\t\t\t\t* 2.按總成績排名   *\n");
  printf("\t\t\t\t* 3.修改老師密碼   *\n");
  printf("\t\t\t\t* 4.查看我的信息   *\n");
  printf("\t\t\t\t* 5.按照班級(jí)查找學(xué)生  *\n");
  printf("\t\t\t\t* 0.返回     *\n");
  printf("\t\t\t\t******************************\n");
   printf("\t\t\t\t請輸入數(shù)字選擇\n");    
  ch=getchar();
  while(getchar()!='\n');
  switch(ch)
  {
   case '1':
    //admin_tea_delete();break;
     stu_llshow();
     stu_llcheck();
     break;
   case '2':
      stu_sort() ;
      break ;
   case '3':
      printf ("修改老師密碼\n") ;
      tea_change_passwd() ;
      break ;
   case '4':
      printf("我的信息\n");
      tea_lookme() ;
      break;
    case '5':
      printf("按照班級(jí)查找\n");
            stu_check_class();
       break ;
   case '0':
         menu();
   default :
      printf("字符不符\n");
      break;
    }
    }
     }  
#endif 
#if 1 
void student_menu()
{
 stu_check_passwd();
 while(1)
 {   
  printf("\n\n\n");    
  printf("\t\t\t\t******************************\n");
  printf("\t\t\t\t* 1.查詢我的信息   *\n");
  printf("\t\t\t\t* 2.修改學(xué)生密碼   *\n");
  printf("\t\t\t\t* 0.返回     *\n");
  printf("\t\t\t\t******************************\n");
  printf("\t\t\t\t請輸入數(shù)字選擇\n");   
     char ch;  
    ch=getchar();
  while(getchar()!='\n');
  switch(ch)
  {
   case '1':
    printf("查詢我的信息\n");
         stu_lookme();
    break;
   case '2':
    printf("修改密碼\n");
     stu_change_passwd();
    break;
   case '0':
    menu() ;// break;//exit(0);
   default :
    printf("請輸入\n");
    break;
  }
 }
 
 
}
#endif
 
#if 1
void menu()
{
 char ch;
 while(1)
 { system ("clear");   
  printf("\n\n\n");    
  printf("\t\t\t\t******************************\n");
  printf("\t\t\t\t* 歡迎進(jìn)入學(xué)生管理系統(tǒng) *\n");
  printf("\t\t\t\t******************************\n");
  printf("\t\t\t\t*  1.管理員登錄  *\n");
  printf("\t\t\t\t*  2.老師登錄   *\n");
  printf("\t\t\t\t*  3.學(xué)生登錄   *\n");
  printf("\t\t\t\t*  0.保存并退出  *\n");
  printf("\t\t\t\t******************************\n");
  printf("\t\t\t\t請輸入數(shù)字選擇\n"); 
     
  ch=getchar(); 
  while(getchar()!= '\n');
  switch(ch)
  {
   case '1':
    admin_menu_1();break;
   case '2':
    teacher_menu(); break;
   case '3':
       student_menu();break;
   case '0': 
       tea_write() ;
    stu_write() ;
    exit(0) ; //break;//exit(0);
   default :
    printf("輸入不存在的字符\n");
    break;
  }
 }
}
#endif 
#if 1
void admin_menu_2_1() {
 
while(1) 
    { 
    printf("\n\n\n");    
    printf("\t\t\t\t******************************\n");
    printf("\t\t\t\t*   1.刪除老師   *\n");
    printf("\t\t\t\t*   2.添加老師   *\n");
    printf("\t\t\t\t*   3.查找老師   *\n");
    printf("\t\t\t\t*   4.修改老師   *\n");
    printf("\t\t\t\t*   5.查看全部老師  *\n");
    printf("\t\t\t\t*   0.返回    *\n");
    printf("\t\t\t\t******************************\n");
    printf("\t\t\t\t請輸入數(shù)字選擇\n");    
    char ch ;
    ch=getchar();
        while(getchar()!='\n');
    switch(ch)
    {
     case '1':
      //admin_tea_delete();break;
      printf("刪除教師\n");
      tea_llshow( ) ;
      tea_lldelete() ;
      break;
     case '2':
      printf("添加教師\n");
      tea_lladd( ) ;
      tea_llshow() ;
      break;
      //admin_tea_add();break;
     case '3':
      printf("查找教師\n");
      tea_llcheck( ) ;
      break;
      //admin_tea_cheak();break;
     case '4':
      printf("修改老師\n");
            tea_llchange() ;
            break;
     case '5':
      printf("查看全部老師\n");
            tea_llshow() ;
            break;
      //  
     case '0':
       admin_menu_2() ;// break;//exit(0);
     default :
      printf("字符不符\n");
      break;
    }
    }
 
 
}
#endif
#if 1
void admin_menu_2_2() {
    while(1)
  {  
    printf("\n\n\n");    
    printf("\t\t\t\t******************************\n");
    printf("\t\t\t\t*   1.刪除學(xué)生   *\n");
    printf("\t\t\t\t*   2.添加學(xué)生   *\n");
    printf("\t\t\t\t*   3.查找學(xué)生   *\n");
    printf("\t\t\t\t*   4.修改學(xué)生   *\n");
  printf("\t\t\t\t*   5.查看全部學(xué)生  *\n");
    printf("\t\t\t\t*   0.返回    *\n");
    printf("\t\t\t\t******************************\n");
    printf("\t\t\t\t請輸入數(shù)字選擇\n"); 
        char ch ;    
    ch=getchar();
    while(getchar()!='\n'); 
    switch(ch)
    {
     case '1':
      printf ("刪除學(xué)生"); 
      stu_llshow();
      stu_lldelete(); 
      stu_llshow();
      break ;
     case '2':
      printf("添加學(xué)生\n");
      stu_lladd(); 
      stu_llshow();
      break ;
     case '3':
      printf("查找學(xué)生\n");
      stu_llcheck();
      break;
     case '4':
      printf("修改學(xué)生\n");
      stu_llchange();
      break;
     case '5':
      printf("查看全部學(xué)生\n");
            stu_llshow() ;
            break;
     case '0':
        admin_menu_2() ;
     default :
      printf("請選擇\n");
      break;
    }
    }
}
#endif
#if 1
int main()
{  
 stu_llopen(FILENAME1);
  tea_llopen(FILENAME);
#ifdef _DEBUG_
  stu_llshow();
  tea_llshow();
#endif
  sleep(1);
  system ("clear");
 menu();
 
}
#endif

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