本文实例为大家分享了C++学生信息管理系统源码，供大家参考，具体内容如下

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)//打开文件 { 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("申请空间不够"); 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( )//显示 { if(head==NULL) return -1; PTEA p=head; printf("工号t年龄t工资t姓名n"); while(p) { printf("%dt%dt%dt%sn", p->id,p->age,p->wages,p->name); p=p->next; } return 0; } PTEA tea_llcheck(PTEA a)//查找 { printf("输入查找教师工号n"); int id; scanf("%d",&id); while(getchar()!='n'); PTEA p; p=head; while(p) { if(p->id==id){ printf ("工号t年龄t薪水t姓名n " ); printf ("%dt%dt%dt%sn",p->id,p->age,p->wages,p->name); break ; } p=p->next; } if (p==NULL) { printf ("未找到该教师n"); printf ("是否继续查找y/nn") ; 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 )//增加老师信息 { #ifdef _DEBUG_ printf ("debug-001n") ; #endif PTEA p ; char ch ; p=malloc(sizeof(TEA)); if(p==NULL){ perror("申请空间不够n"); return -1;} printf ("请输入添加老师的信息n工号t年龄t薪水t姓名t密码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 ) //说明链表为空，加入成第一个 { 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 , "%dt%dt%dt%sn",p->id,p->age,p->wages,p->name ) ; fclose ( fp ) ; fopen ("teacher.txt" , "a+"); */ return 0 ; } #endif #if 1 int tea_lldelete( PTEA a ) //删除老师 { int key ; printf ("请输入要删除的老师的工号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 1n") ; #endif } else if ((p==head) && ( head->next==NULL)) { head = NULL ; #ifdef _DEBUG_ printf ("case 2n") ; #endif } else if( (p!=head )&&(p->next!=NULL) ) {p->pre->next=p->next ; p->next->pre = p->pre ; #ifdef _DEBUG_ printf ("case 3n ") ; I #endif } else { p->pre->next = NULL ; #ifdef _DEBUG_ printf ("case 4n") ; #endif } break ; } p = p->next ; } free (p) ; if (p==NULL) printf ("未找到该教师") ; /* fp = fopen("teacher.txt","r+"); while(p){ fprintf (fp ," %dt%dt%dt%sn" , p->id , p->age ,p->wages , p->name ); p=p->next ; } fclose (fp) ; tea_llopen ; */ } #endif #if 1 int tea_llchange()//修改老师信息 { PTEA p; printf("n输入工号"); int key; scanf("%d",&key); while(getchar()!='n'); p=head; while(p) { if(p->id==key){ printf("工号t年龄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 ("修改之后为n"); printf("学号t年龄t数学t英语t语文t班级t姓名t密码n"); while(p) { printf("%dt%dt%dt%st%sn", p->id,p->age,p->wages,p->name,p->passwd); p=p->next; } return 0; } #endif #if 1 PTEA tea_check_id() //校验老师用户名 { PTEA p; p = head; int id; char ch; printf("请输入您的工号:"); scanf("%d",&id); while(getchar()!='n'); while(p) { if(p->id==id){ return p; } p = p->next; } if(p==NULL){ printf("找不到该用户n"); printf("是否重试"); // scanf("%c",&ch) ; // getchar () ; ch = getchar () ; if ((ch=='y')||(ch=='Y')) tea_check_id(); else menu(); } } #endif #if 1 PTEA tea_check_passwd() //校验老师密码 { PTEA p; p =tea_check_id(); char passwd[20]; char ch; printf("请输入密码:"); scanf("%s",passwd); while(getchar()!='n'); if(strcmp (p->passwd , passwd)==0) { sq_tea = p->id ; #ifdef _DEBUG_ printf("================%dn",p->id) ; printf("================%dn",sq_tea) ; getchar(); getchar(); #endif return p; }else{ printf("密码不正确n"); printf("是否重新输入[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("请输入新密码:"); scanf("%s",new_passwd); while(getchar() != 'n'); printf("请再次输入新密码:"); scanf("%s",new); while(getchar() != 'n'); if(strcmp(new_passwd,new)==0) { strcpy(p->passwd,new_passwd) ; printf("密码修改成功!n"); // tea_write() ; } else { printf("密码输入错误n"); printf("是否重试[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("工号t年龄t薪水t姓名t密码n"); printf("%dt%dt%dt%sn%sn", 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, "%dt%dt%dt%st%sn", 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 endn"); return -1;} // tea_llshow(head); // int id; /* p=tea_llcheck(); printf("%dt%dt%dt%sn", 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)//打开文件 { fp=fopen(path,"r"); if(fp==NULL){ perror("open fail"); return -1;} #ifdef _DEBUG_ printf ("open susessn") ; #endif PSTU p; int ret; while(p) { #ifdef _DEBUG_ perror("while -timen"); #endif p=malloc(sizeof(STU)); if(p==NULL){ printf("申请空间不够"); 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 okn") ; #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()//显示 { // FILE *fp; if(head1==NULL) return -1; PSTU p=head1; printf("学号t年龄t数学t英语t语文t班级t姓名n"); while(p) { printf("%dt%dt%dt%dt%dt%dt%sn", 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输入查找学号n"); int key; scanf("%d",&key); while(getchar()!='n'); PSTU p; p=head1; if(head1==NULL) { printf ("打开链表失败") ; return -1; } while(p) { if(p->id==key) { #ifdef _DEBUG_ printf ("while p ") ; #endif printf("%dt%dt%dt%dt%dt%dt%sn", p->id,p->age,p->math,p->english,p->chinese, p->class,p->name); break ; } p=p->next; } if (p==NULL) { printf ("未找到该学生"); printf ("是否继续查找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)//被调用添加 { 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输入添加学生信息nn"); printf("学号t年龄t数学t英语t语文t班级t姓名t密码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 , "%dt%dt%dt%dt%dt%dt%sn", 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)//被调用的删除 { 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 ("未找到该学生n"); } free(p); /* fclose (fp) ; p=head1 ; fp = fopen("student.txt","w+"); while(p){ fprintf (fp , "%dt%dt%dt%dt%dt%dt%sn", 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()//删除 { int id; PSTU p; printf("n输入删除学号n"); scanf("%d",&id); while(getchar()!='n') ; return __stu_lldelete(id); } #endif #if 1 int stu_llchange()//修改 { PSTU p; printf("n输入修改学号"); int key; scanf("%d",&key); while(getchar() != 'n'); p=head1; while(p) { if(p->id==key){ printf("学号t年龄t数学t英语t语文t班级t姓名t密码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 , "%dt%dt%dt%dt%dt%st%dn", p->id,p->age,p->math,p->english,p->chinese,p->name,p->class ); printf("学号t年龄t数学t英语t语文t姓名t班级"); */ p = head1 ; printf ("修改之后为n"); printf("学号t年龄t数学t英语t语文t班级t姓名n"); while(p) { printf("%dt%dt%dt%dt%dt%dt%sn", 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 ("按照总成绩排序n"); while(head1) { //1,找到最大分数的节点地址 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,把该节点头插到新链表头指针 max->next = new_head1; new_head1 = max; } head1 = max; stu_llshow() ; return 0 ; } #endif #if 1 PSTU stu_check_id() //校验学生用户名 { PSTU p; p = head1; int id; char ch; printf("请输入您的学号:"); scanf("%d",&id); while(getchar() != 'n'); while(p) { if(p->id==id){ return p; } p = p->next; } printf ("找到该用户n") ; if(p==NULL){ printf("找不到该用户n"); printf("是否重试"); ch = getchar () ; while(getchar()!=''); if ((ch=='y')||(ch=='Y')) stu_check_id(); else menu(); } } #endif #if 1 PSTU stu_check_passwd() //校验学生密码 { PSTU p; p =stu_check_id(); char passwd[20]; char ch; printf("请输入密码:"); scanf("%s",passwd); while(getchar()!='n') ; if(strcmp (p->passwd , passwd)==0) { sq_stu = p->id ; return p; }else{ printf("密码不正确n"); printf("是否重新输入[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("请输入新密码:"); scanf("%s",new_passwd); while(getchar() != 'n'); printf("请再次输入新密码:"); scanf("%s",new); while(getchar()!='n') ; if(strcmp(new_passwd,new)==0) { strcpy(p->passwd,new_passwd) ; printf("密码修改成功!n"); } else { printf("密码输入错误n"); printf("是否重试[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 ("%dn",sq_stu) ; #endif while (p) { if (p->id==sq_stu){ printf("学号t年龄t数学t英语t语文t班级t姓名t密码n"); printf("%dt%dt%dt%dt%dt%dt%st%sn", 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, "%dt%dt%dt%dt%dt%dt%st%sn", 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 ("请输入您要查找的班级:n"); scanf ("%d",&class); while(getchar()!='n') ; while (p){ if (p->class==class ) { printf("%dt%dt%dt%dt%dt%dt%sn", p->id,p->age,p->math,p->english,p->chinese, p->class,p->name); i++ ; } p=p->next; } if((p==NULL)&&(i==0)) printf("未找到该班级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("创建失败n"); return -1;} printf ("debug-000n") ; // 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("管理员用户名n"); scanf("%s",u); while(getchar()!= 'n'); printf("管理员密码n"); scanf("%s",p); while(getchar()!= 'n'); if (strcmp(u,u1)==0&&strcmp(p,p1)==0) admin_menu_2() ; else printf ("输入用户名或密码不正确，是否重试y/nn"); 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("nnn"); printf("tttt******************************n"); printf("tttt* 1.管理老师 *n"); printf("tttt* 2.管理学生 *n"); printf("tttt* 0.返回 *n"); printf("tttt******************************n"); printf("tttt请输入数字选择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("nnn"); printf("tttt******************************n"); printf("tttt* 1.查找学生信息 *n"); printf("tttt* 2.按总成绩排名 *n"); printf("tttt* 3.修改老师密码 *n"); printf("tttt* 4.查看我的信息 *n"); printf("tttt* 5.按照班级查找学生 *n"); printf("tttt* 0.返回 *n"); printf("tttt******************************n"); printf("tttt请输入数字选择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 ("修改老师密码n") ; tea_change_passwd() ; break ; case '4': printf("我的信息n"); tea_lookme() ; break; case '5': printf("按照班级查找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("nnn"); printf("tttt******************************n"); printf("tttt* 1.查询我的信息 *n"); printf("tttt* 2.修改学生密码 *n"); printf("tttt* 0.返回 *n"); printf("tttt******************************n"); printf("tttt请输入数字选择n"); char ch; ch=getchar(); while(getchar()!='n'); switch(ch) { case '1': printf("查询我的信息n"); stu_lookme(); break; case '2': printf("修改密码n"); stu_change_passwd(); break; case '0': menu() ;// break;//exit(0); default : printf("请输入n"); break; } } } #endif #if 1 void menu() { char ch; while(1) { system ("clear"); printf("nnn"); printf("tttt******************************n"); printf("tttt* 欢迎进入学生管理系统 *n"); printf("tttt******************************n"); printf("tttt* 1.管理员登录 *n"); printf("tttt* 2.老师登录 *n"); printf("tttt* 3.学生登录 *n"); printf("tttt* 0.保存并退出 *n"); printf("tttt******************************n"); printf("tttt请输入数字选择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("输入不存在的字符n"); break; } } } #endif #if 1 void admin_menu_2_1() { while(1) { printf("nnn"); printf("tttt******************************n"); printf("tttt* 1.删除老师 *n"); printf("tttt* 2.添加老师 *n"); printf("tttt* 3.查找老师 *n"); printf("tttt* 4.修改老师 *n"); printf("tttt* 5.查看全部老师 *n"); printf("tttt* 0.返回 *n"); printf("tttt******************************n"); printf("tttt请输入数字选择n"); char ch ; ch=getchar(); while(getchar()!='n'); switch(ch) { case '1': //admin_tea_delete();break; printf("删除教师n"); tea_llshow( ) ; tea_lldelete() ; break; case '2': printf("添加教师n"); tea_lladd( ) ; tea_llshow() ; break; //admin_tea_add();break; case '3': printf("查找教师n"); tea_llcheck( ) ; break; //admin_tea_cheak();break; case '4': printf("修改老师n"); tea_llchange() ; break; case '5': printf("查看全部老师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("nnn"); printf("tttt******************************n"); printf("tttt* 1.删除学生 *n"); printf("tttt* 2.添加学生 *n"); printf("tttt* 3.查找学生 *n"); printf("tttt* 4.修改学生 *n"); printf("tttt* 5.查看全部学生 *n"); printf("tttt* 0.返回 *n"); printf("tttt******************************n"); printf("tttt请输入数字选择n"); char ch ; ch=getchar(); while(getchar()!='n'); switch(ch) { case '1': printf ("删除学生"); stu_llshow(); stu_lldelete(); stu_llshow(); break ; case '2': printf("添加学生n"); stu_lladd(); stu_llshow(); break ; case '3': printf("查找学生n"); stu_llcheck(); break; case '4': printf("修改学生n"); stu_llchange(); break; case '5': printf("查看全部学生n"); stu_llshow() ; break; case '0': admin_menu_2() ; default : printf("请选择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

以上就是本文的全部内容，希望对大家学习C++管理系统有所帮助。