学生管理系统c语言（可运行）(2)

printf(\请输入正确的序号,任意键继续\\n\ getchar(); getchar(); return TEA_ACCESS; } else { printf(\请输入密码:\ scanf(\ if(s->mystery==mystery) return TEA_MAIN_MENU; else { printf(\请输入正确的密码,任意键继续\\n\ getchar(); getchar(); return TEA_ACCESS; } } } else { printf(\哎呀！出错啦 请输入五~六位有效数字，任意键返回\ getchar(); getchar(); return TEA_ACCESS; } } else if(choice==2) return MAIN_MENU; else { printf(\输入错误，请重新输入，任意键返回\\n\ getchar(); getchar(); return state; } }

/*********************************教师修改学生成绩的************************************/ int print_teamendStuMenu(sysState) { int choice;

主菜单 int num; int n;

stu s=NULL; s=head;

system(\

printf(\请输入要修改学生的学号:\\n\printf(\返回上一级\\n\scanf(\switch(n) {case 1:

printf(\输入学生的学号:\scanf(\while(s!=NULL) { if(s->num==num) break; else s=s->next; }

if(s==NULL) {

printf(\无此学生,请输入正确的学号,任意键继续\\n\getchar(); getchar();

return TEA_MAIN_MENU;//????? break;

case 2: return TEA_MAIN_MENU; } }

system(\printhead1();

printf(\修改数学成绩\\n\printf(\修改c语言成绩\\n\printf(\修改语文成绩\\n\printf(\返回上一级\\n\printf(\退出\\n\;

int math1,c_langue1,chinese1; scanf(\switch(choice) {

case 1:printf(\请输入新的数学成绩:\ //修改数学成绩 scanf(\ s->math=math1; printf(\修改成功,任意键返回\ getchar(); getchar(); return TEA_MEND_STU; break; case 2:printf(\请输入新的c语言成绩:\ //修改c语言成绩 scanf(\ s->c_langue=c_langue1; printf(\修改成功,任意键返回\ getchar(); getchar(); return TEA_MEND_STU; break; case 3:printf(\请输入新的语文成绩:\ scanf(\ s->chinese=chinese1; printf(\修改成功,任意键返回\ getchar(); getchar(); return TEA_MEND_STU; break; case 4:return TEA_MEND_STU; break; case 5:return MAIN_MENU; break; } }

/*********************************打************************************/ int printteacherMenu(int sysState,tea p) { int choice; int mystery; system(\ printhead1(); printf(\查看个人信息\\n\ printf(\查看所有学生的信息\\n\ printf(\修改学生的成绩\\n\ printf(\修改密码\\n\ printf(\返回上一级\\n\ printf(\退出\\n\

印老 //修改语文成绩 //返回学生管理界面 //返回主界面 师的主页面 scanf(\ switch(choice) { case 1: system(\ printf(\序号:%d 姓名:%s 密码:%d 所在班级%d\\n\ getchar(); getchar(); return TEA_MAIN_MENU; break; case 2: system(\ show_student(head); getchar(); getchar(); return TEA_MAIN_MENU; break; case 3: return sysState*10+choice; break; case 4: printf(\输入新密码:\ scanf(\ p->mystery=mystery; printf(\修改成功 任意键返回\\n\ getchar(); getchar(); //printf(\修改成功 任意键返回\\n\ return TEA_MAIN_MENU; break; case 5: return TEA_ACCESS; break; case 6: return MAIN_MENU; break; default: return TEA_ACCESS; } }

/*********************************打印1311************************************/ int print_mendStuMenu(sysState) { int choice; int num; stu s=NULL; s=head; system(\

修改学生信息的主菜单 printf(\请输入要修改学生的学号:\scanf(\while(s!=NULL) { if(s->num==num) break; else s=s->next; }

if(s==NULL) {

printf(\无此学生,请输入正确的学号,任意键继续\\n\getchar(); getchar();

return STU_CHANGE; }

system(\printhead1();

printf(\修改学号\\n\printf(\修改姓名\\n\printf(\修改密码\\n\printf(\修改年龄\\n\printf(\修改班级\\n\

printf(\修改数学成绩\\n\printf(\修改c语言成绩\\n\printf(\修改语文成绩\\n\printf(\返回上一级\\n\printf(\退出\\n\int num1;

char name1[20];

int mystery1,age1,cla1,math1,c_langue1,chinese1; scanf(\switch(choice) { case 1:printf(\请输入新的学号:\ scanf(\ s->num=num1; printf(\修改成功,任意键返回\ getchar(); getchar(); return STU_CHANGE; break; case 2:printf(\请输入新的姓名:\ scanf(\

//修改学号//修改姓名