C语言教务管理系统2000行代码

./C语言教务管理系统一、程序结构图二、程序运行截图1.个人信息简介2.修改颜色3.注册界面4.信息保存至文件5.登录界面6.管理员录入信息7.学生信息录入8.学生成绩录入9.学生课程表录入10.学生信息查询界面11学生信息查询12.学生成绩查询13.学生课表查询三、代码〔一个cpp#include<stdio.h>#include<stdlib.h>#include<string.h>#include<ctype.h>#include<conio.h>#include"windows.h"#definestudent_num1000/*定义1000个学生*/#defineteacher_num5 /*定义5个老师〔管理员*/intis_my_student<structstudent*p,int*size>; /*声明返回第i+1个学生的函数*/intis_my_teacher<structteacher*p,int*size>; /*声明返回第i+1个老师的函数*/intlength_student_name<char*p>; /*声明验证用户名函数*/intlength_student_password<char*p>; /*声明验证密码长度函数*/intlength_teacher_name<char*p>; /*声明验证用户名函数*/intlength_teacher_password<char*p>; /*声明验证密码长度函数*/intshow_menu_login<>; /*声明登录菜单函数*/intshow_menu_register<>; /*声明注册菜单函数*/intshow_teacher_select<>; /*声明教师录入菜单函数*/intshow_student_select<>; /*声明学生查询菜单函数*/intstudent_register<structstudent*ptr_student,int*size>; /*声明学生注册函数*/intteacher_register<structteacher*ptr_teacher,int*size>; /*声明老师注册函数*/intvaild_student_name<char*p>; /*声明验证用户名函数*/intvaild_student_password<char*p>; /*声明验证密码函数*/intvaild_teacher_name<char*p>; /*声明验证用户名函数*/intvaild_teacher_password<char*p>; /*声明验证密码函数*/intvaild_two_password<char*p1,char*p2>; /*声明验证两次密码是否相同函数*/intyes_no_return<>; /*声明选择是否返回上一层函数*/voidload<>; /*声明加载函数*/voidregister_<int*count1,int*count2>; /*声明注册函数*/voiddisplay_student<structstudentstu>; /*声明显示学生信息函数*/voiddisplay_teacher<structteachertea>; /*声明显示老师信息函数*/voidstudent_file1<>; /*将保存的学生的账号密码存入文件中*/voidstudent_file2<>; /*将保存的学生的个人信息存入文件中*/voidstudent_file3<>; /*将保存的学生的成绩存入文件中*/voidteacher_file<>; /*将保存的老师的账号密码存入文件中*/voidinput_information<intcount>;/*声明输入学生信息函数*/voidinput_score_menu<intcount>; /*声明输入学生成绩函数*/voidcolor<>; /*声明选择窗体颜色函数*/voidprint_stu_information<intcount_stu>; /*声明输出账号为num的学生的信息函数*/voidprint_stu_score<intcount_stu>; /*声明输出账号为num的学生的成绩函数*/voidshow_menu<>; /*声明初始化界面函数*/voidinput<>; /*声明输入函数*/voidmenu1<>; /*声明教师录入课程表主菜单函数*/voidmenu2<>; /*声明学生查询课程表主菜单函数*/voidrank<>; /*声明显示时间顺序函数*/voidquerymenu3<>; /*声明查询函数*/voidlooktime<>; /*声明按照时间查询函数*/voidlooklessonname<>; /*声明按照课程名查询函数*/voidadd<>; /*声明保存函数*/voidamend<>; /*声明修改课程函数*/voidamend1<>; /*声明修改课程子函数*/voidamendnews<inti>; /*声明修改整个课程信息函数*/voidamendtime<inti>; /*声明修改课程时间函数*/voidamendlessonname<inti>; /*声明修改课程课程名函数*/voidamendclassroom<inti>; /*声明修改课程教室函数*/voiddeleted<>; /*声明删除函数*/voidadd_score<intcount>; /*声明添加学生成绩函数*/voidxiugai_score<intcount>; /*声明修改学生成绩函数*/voidshanchu_score<intcount>; /*声明删除学生成绩函数*/voidchaxun_score<intcount>; /*声明按要求查询学生成绩函数*/voidpaixu_score<intcount>; /*声明学生成绩排序函数*/voidtongji_score<intcount>; /*声明学生成绩统计函数*/floatchinese<intcount>; /*声明计算语文成绩最大值函数*/intchr<intcount>; /*声明计算语文成绩及格人数的函数*/floatenglish<intcount>; /*声明计算英语成绩最大值函数*/intehr<intcount>; /*声明计算英语成绩及格人数的函数*/floatmath<intcount>; /*声明计算数学成绩最大值函数*/intmhr<intcount>; /*声明计算数学成绩及格人数的函数*/floatcomputer<intcount>; /*声明计算计算机成绩最大值函数*/intthr<intcount>; /*声明计算计算机成绩及格人数的函数*/floatPE<intcount>; /*声明计算体育成绩最大值函数*/intphr<intcount>; /*声明计算体育成绩及格人数的函数*/floatsum_score<intcount>; /*声明计算总分成绩最大值函数*/voidload_student<inta>; /*声明启动学生函数*/voidload_teacher<inta>; /*声明启动老师函数*/structstudent /*学生结构体*/{ /*个人信息*/ intstudent_id; /*账号*/ charstudent_name[20];/*姓名*/ charpassword[16]; /*密码*/ intage; /*年龄*/ charqq[12]; /*QQ号*/ chartel[12]; /*电话*/ intgrade; /*年级*/ /*各科成绩*/ floatchinese; /*语文分数*/ floatenglish; /*英语分数*/ floatmath; /*数学分数*/ floatcomputer; /*计算机分数*/ floatPE; /*体育分数*/ floatsum; /*总分*/ /*课程表*/ chartime[10];/*时间*/ charlessonname[20];/*课程名*/ charteacher[20];/*授课老师*/ charclassroom[10];/*教室*/charhours[10];/*第几节课*/ intweeks;/*周时*/};structteacher /*老师结构体*/{ intteacher_id; /*账号*/ charteacher_name[20]; /*姓名*/ charpassword[16]; /*密码*/};structstudentour_student[student_num];structteacherour_teacher[teacher_num];voidmain<> /*主函数*/{ system<"colorf0">; /*初始化背景颜色*/ show_menu<>; /*制作人信息简介*/ load<>;}voidload<> /*启动函数*/{ intflag=1; /*控制循环结束的变量*/ inta=0,b=0; /*记录已注册的学生的人数a为学生个数b为老师个数*/ int*count1=&a,*count2=&b; /*指向学生人数和老师人数的指针*/ intcorrect_student,correct_teacher; color<>; register_<count1,count2>; /*注册学生和老师的帐号*/ student_file1<>; teacher_file<>; while<flag> { switch<show_menu_login<>>/*显示登录菜单*/ { case1:/*选择1,进入学生登录*/ if<correct_student=is_my_student<our_student,count1>> { printf<"\n ◆学生登录成功！\n">; display_student<our_student[correct_student-1]>; printf<"\n">; printf<" ">; system<"pause">; load_student<a>; } else printf<"\n登录失败！\n">; printf<"\n">; printf<" 提示：按Y退出登录界面,按N返回登录界面!!!\n">; flag=yes_no_return<>; system<"cls">; break; case2:/*选择2,进入老师登录,即管理员登录*/ if<correct_teacher=is_my_teacher<our_teacher,count2>> { printf<"\n ◆管理员登录成功！\n">; display_teacher<our_teacher[correct_teacher-1]>; printf<"\n">; printf<" ">; system<"pause">; load_teacher<a>; } else printf<"\n登录失败！\n">; printf<"\n">; printf<" 提示：按Y退出登录界面,按N返回登录界面!!!\n">; flag=yes_no_return<>; system<"cls">; break; case3:/*选择3,退出登录*/ system<"cls">; flag=0; break; default: printf<"请正确输入1-3：">; system<"cls">; } } }voidload_student<inta> /*启动学生函数*/{ intflag=1; system<"cls">; while<flag> { switch<show_student_select<>> { case1: /*选择1,学生信息查询*/ system<"cls">; print_stu_information<a>; printf<"\n">; printf<" 提示：按Y退出学生查询界面,按N返回学生查询界面!!!\n">; flag=yes_no_return<>; system<"cls">; break; case2: /*选择2,学生成绩查询*/ system<"cls">; print_stu_score<a>; printf<"\n">; printf<" 提示：按Y退出学生查询界面,按N返回学生查询界面!!!\n">; flag=yes_no_return<>; system<"cls">; break; case3: /*选择3,学生课表查询*/ menu2<>; printf<" 提示：按Y退出学生查询界面,按N返回学生查询界面!!!\n">; flag=yes_no_return<>; system<"cls">; break; case4: /*选择4,退出查询界面*/ system<"cls">; flag=0; break; default: printf<"请正确输入1-4：">; system<"cls">; } }}voidload_teacher<inta> /*启动老师函数*/{ intflag=1; system<"cls">; while<flag> { switch<show_teacher_select<>> { case1: /*选择1,学生信息录入*/ input_information<a>; system<"cls">; student_file2<>; printf<"\n 提示：按Y退出教师录入界面,按N返回教师录入界面!!!\n">; flag=yes_no_return<>; system<"cls">; break; case2: /*选择2,学生成绩录入*/ input_score_menu<a>; system<"cls">; student_file3<>; printf<"\n 提示：按Y退出教师录入界面,按N返回教师录入界面!!!\n">; flag=yes_no_return<>; system<"cls">; break; case3: /*选择3,学生课表录入*/ menu1<>; printf<" 提示：按Y退出教师录入界面,按N返回教师录入界面!!!\n">; flag=yes_no_return<>; system<"cls">; break; case4: /*选择4,退出管理界面*/ system<"cls">; flag=0; break; default: printf<"请正确输入1-4：">; system<"cls">; } }}intlength_student_name<char*p> /*验证用户名是否合法*/{ intl; l=strlen<p>; if<l>20||l<1> return0; else return1;}intvaild_student_name<char*p> /*判断用户名是否有效*/{ inti=0; intlen=strlen<p>; if<<*p>='a'&&*p<='z'>||<*p>='A'&&*p<='Z'>> /*判断首字母是不是字母*/ { for<i=0;i<len;i++> { if<!<p[i]='_'||<p[i]>='a'&&p[i]<='z'>||<p[i]>='A'&&p[i]<='Z'>||<p[i]>='0'&&p[i]<='9'>>> /*判断后面的字符是否有效*/ return0; } return1; } else return0;}intlength_student_password<char*p> /*密码长度有效性验证*/{ intlen; len=strlen<p>; if<len<6||len>16> return0; else return1;}intvaild_student_password<char*p> /*密码的有效性验证*/{ inti=0; for<;*p!='\0';p++> { if<!<<*p>='a'&&*p<='z'>||<*p>'A'&&*p<'Z'>||<*p>='0'&&*p<='9'>>> return0; } return1;}intvaild_two_password<char*p1,char*p2> /*验证两次密码是否相同*/{ if<strcmp<p1,p2>==0> return1; else return0;}intstudent_register<structstudent*ptr_student,int*size> /*完成注册功能*/{ charpassword[16]; charrepassword[16]; if<*size==student_num> { puts<" ◆注册人数已满！">; printf<"\n">; return0; } system<"cls">; printf<"\n\n">; printf<" ★请输入注册学生姓名：">; fflush<stdin>; gets<ptr_student[*size].student_name>; if<!<length_student_name<ptr_student[*size].student_name>&&vaild_student_name<ptr_student[*size].student_name>>> { printf<" ◆您输入的姓名无效,学生姓名在1-20之间,首字符为字母,后面必须为字母、数字或下划线！！！">; return0; } printf<"\n">; printf<" ★请输入注册密码：">; fflush<stdin>; gets<password>; printf<"\n">; printf<" ★请再次输入注册密码：">; fflush<stdin>; gets<repassword>; printf<"\n">; if<!vaild_two_password<password,repassword>> { printf<"\n №:两次输入的密码不一致!!!">; printf<"\n">; return0; } else strcpy<ptr_student[*size].password,password>; if<!<length_student_password<ptr_student[*size].password>&&vaild_student_password<ptr_student[*size].password>>> { printf<" ◆您输入的密码无效,密码应在6-16位之间,密码只能包含字母和数字!!!">; printf<"\n">; return0; } printf<" ★您的编号为：%d,这将是您的登录账号!!!",ptr_student[*size].student_id=20150000+*size>; return1;}intis_my_student<structstudent*p,int*size> /*如果登录成功则返回第i+1个学生的信息,否则返回0*/{ inti; intzhanghao; charmima[18]; system<"cls">; printf<"\n\n">; printf<" ★请输入您的账号：">; scanf<"%d",&zhanghao>; fflush<stdin>; printf<"\n">; printf<" ★请输入您的密码：">; gets<mima>; for<i=0;i<*size;i++> { if<<zhanghao==p[i].student_id>&&<strcmp<mima,p[i].password>==0>> returni+1; } return0;}voiddisplay_student<structstudentstu> /*显示学生信息*/{ printf<"\n ★您的账号是：%d\n",stu.student_id>;}intlength_teacher_name<char*p> /*验证用户名是否合法*/{ intl; l=strlen<p>; if<l>20||l<1> return0; else return1;}intvaild_teacher_name<char*p> /*判断用户名是否有效*/{ inti=0; intlen=strlen<p>; if<<*p>='a'&&*p<='z'>||<*p>='A'&&*p<='Z'>> /*判断首字母是不是字母*/ { for<i=0;i<len;i++> { if<!<p[i]='_'||<p[i]>='a'&&p[i]<='z'>||<p[i]>='A'&&p[i]<='Z'>||<p[i]>='0'&&p[i]<='9'>>> /*判断后面的字符是否有效*/ return0; } return1; } else return0;}intlength_teacher_password<char*p> /*密码长度有效性验证*/{ intlen; len=strlen<p>; if<len<6||len>16> return0; else return1;}intvaild_teacher_password<char*p> /*密码的有效性验证*/{ inti=0; for<;*p!='\0';p++> { if<!<<*p>='a'&&*p<='z'>||<*p>'A'&&*p<'Z'>||<*p>='0'&&*p<='9'>>> return0; } return1;}intteacher_register<structteacher*ptr_teacher,int*size> /*完成注册功能*/{ charpassword[16]; charrepassword[16]; if<*size==teacher_num> { puts<" ◆注册人数已满！">; printf<"\n">; return0; } system<"cls">; printf<"\n\n">; printf<" ★请输入注册教师姓名：">; fflush<stdin>; gets<ptr_teacher[*size].teacher_name>; if<!<length_teacher_name<ptr_teacher[*size].teacher_name>&&vaild_teacher_name<ptr_teacher[*size].teacher_name>>> { printf<" ◆您输入的姓名无效,教师姓名在1-20之间,首字符为字母,后面必须为字母、数字或下划线！！！">; printf<"\n">; return0; } printf<"\n">; printf<" ★请输入注册密码：">; fflush<stdin>; gets<password>; printf<"\n">; printf<" ★请再次输入注册密码：">; fflush<stdin>; gets<repassword>; printf<"\n">; if<!vaild_two_password<password,repassword>> { printf<"\n №:两次输入的密码不一致!!!">; printf<"\n">; return0; } else strcpy<ptr_teacher[*size].password,password>; if<!<length_teacher_password<ptr_teacher[*size].password>&&vaild_teacher_password<ptr_teacher[*size].password>>> { printf<" ◆您输入的密码无效,密码应在6-16位之间,密码只能包含字母和数字！！！">; printf<"\n">; return0; } printf<" ★您的编号为：%d,这将是您的登录账号。",ptr_teacher[*size].teacher_id=20150+*size>; return1;}intis_my_teacher<structteacher*p,int*size> /*如果登录成功则返回第i+1个老师的信息,否则返回0*/{ inti; intzhanghao; charmima[18]; system<"cls">; printf<"\n\n">; printf<" ★请输入您的账号：">; scanf<"%d",&zhanghao>; fflush<stdin>; printf<"\n">; printf<" ★请输入您的密码：">; gets<mima>; for<i=0;i<*size;i++> { if<<zhanghao==p[i].teacher_id>&&<strcmp<mima,p[i].password>==0>> returni+1; } return0;}voiddisplay_teacher<structteachertea> /*显示老师信息*/{ printf<"\n ★您的账号是：%d\n",tea.teacher_id>;}voidregister_<int*count1,int*count2> /*注册函数*/{ inti=1; while<i> { switch<show_menu_register<>> { case1: if<student_register<our_student,count1>> { <*count1>++; printf<"\n">; printf<"\n ★注册成功！\n">; printf<"">; system<"pause">; system<"cls">; } break; case2: if<teacher_register<our_teacher,count2>> { <*count2>++; printf<"\n">; printf<"\n ★注册成功！\n">; printf<"">; system<"pause">; system<"cls">; } break; case3: i=0; system<"cls">; break; default: printf<"请正确输入：\n">; printf<"">; system<"pause">; system<"cls">; } }}voidinput_information<intcount>{ intk; system<"cls">; for<k=0;k<count;k++> { printf<"\n\n">; printf<"\t请输入第%d位同学的信息\n",k+1>; printf<"\t\t请录入学号为%d的学生的年龄:",our_student[k].student_id>; scanf<"%d",&our_student[k].age>; printf<"\n">; printf<"\t\t请录入学号为%d的学生的QQ号:",our_student[k].student_id>; scanf<"%s",our_student[k].qq>; printf<"\n">; printf<"\t\t请录入学号为%d的学生的电话:",our_student[k].student_id>; scanf<"%s",our_student[k].tel>; printf<"\n">; printf<"\t\t请录入学号为%d的学生的年级:",our_student[k].student_id>; scanf<"%d",&our_student[k].grade>; printf<"\n">; printf<"\t\t您已经成功将学号为%d的学生的信息录入!!!\n",our_student[k].student_id>; }}voidinput_score_menu<intcount>{ intnumber,i=1; system<"cls">; printf<"\n\n">; printf<"\t*************************学生成绩管理*************************\n">; printf<"\t**\n">; printf<"\t*1.☆添加学生成绩☆*\n">; printf<"\t*2.☆修改学生成绩☆*\n">; printf<"\t*3.☆删除学生成绩☆*\n">; printf<"\t*4.☆按要求查询学生成绩☆*\n">; printf<"\t*5.☆按要求排序☆*\n">; printf<"\t*6.☆按要求统计成绩☆*\n">; printf<"\t*7.☆退出学生成绩管理☆*\n">; printf<"\t**\n">; printf<"\t******************请输入选择的功能编号<1-7>:******************\n">; printf<"\t请输入:">; scanf<"%d",&number>; fflush<stdin>; while<i> { switch<number> { case1: add_score<count>; /*添加学生成绩函数*/ printf<" 提示：按Y退出学生成绩管理界面,按N重新录入学生成绩!!!\n">; i=yes_no_return<>; system<"cls">; break; case2: xiugai_score<count>; /*修改学生成绩函数*/ printf<" 提示：按Y退出学生成绩录入界面,按N重新修改学生成绩!!!\n">; i=yes_no_return<>; system<"cls">; break; case3: shanchu_score<count>; /*删除学生成绩函数*/ printf<" ">; system<"pause">; system<"cls">; break; case4: chaxun_score<count>; /*按要求查询学生成绩函数*/ printf<" 提示：按Y退出学生成绩管理界面,按N返回学生成绩管理界面!!!\n">; i=yes_no_return<>; system<"cls">; break; case5: paixu_score<count>; /*学生成绩排序函数*/ printf<" 提示：按Y退出学生成绩管理界面,按N返回学生成绩管理界面!!!\n">; i=yes_no_return<>; system<"cls">; break; case6: tongji_score<count>; /*学生成绩统计函数*/ printf<" 提示：按Y退出学生成绩管理界面,按N返回学生成绩管理界面!!!\n">; i=yes_no_return<>; system<"cls">; break; case7: system<"cls">; break; default: printf<"请正确输入1-7：">; system<"cls">; } }}voidadd_score<intcount> /*添加学生成绩函数*/{ system<"cls">; intk; for<k=0;k<count;k++> { printf<"\n\n">; printf<"\t请输入第%d位同学的各科成绩:\n",k+1>; printf<"\t\t请录入学号为%d的学生的语文分数:",our_student[k].student_id>; scanf<"%f",&our_student[k].chinese>; printf<"\n">; printf<"\t\t请录入学号为%d的学生的英语分数:",our_student[k].student_id>; scanf<"%f",&our_student[k].english>; printf<"\n">; printf<"\t\t请录入学号为%d的学生的计算机分数:",our_student[k].student_id>; scanf<"%f",&our_student[k].computer>; printf<"\n">; printf<"\t\t请录入学号为%d的学生的数学分数:",our_student[k].student_id>; scanf<"%f",&our_student[k].math>; printf<"\n">; printf<"\t\t请录入学号为%d的学生的体育分数:",our_student[k].student_id>; scanf<"%f",&our_student[k].PE>; our_student[k].sum=our_student[k].chinese+our_student[k].english+our_student[k].computer+our_student[k].math+our_student[k].PE; }}voidxiugai_score<intcount> /*修改学生成绩函数*/{ intnumber,i; system<"cls">; printf<"\n\n">; printf<" ☆请输入需要修改成绩的学生的学号:">; scanf<"%d",&number>; printf<"\n">; while<1> { if<<number>=20150000>&&<number<=count>> { printf<" ☆您输入的学号正确!可以进行修改处理。\n\n">; break; } else { printf<" ☆您输入的学号有问题,请重新输入要修改成绩的学号!!!\n\n">; printf<" ☆请输入需要修改成绩的学生的学号:">; scanf<"%d",&number>; } } fflush<stdin>; for<i=0;our_student[i].student_id==number;i++> { printf<"\n请输入需要修改的语文成绩:">; scanf<"%f",&our_student[i].chinese>; printf<"\n请输入需要修改的英语成绩:">; scanf<"%f",&our_student[i].english>; printf<"\n请输入需要修改的数学成绩:">; scanf<"%f",&our_student[i].math>; printf<"\n请输入需要修改的计算机成绩:">; scanf<"%f",&our_student[i].computer>; printf<"\n请输入需要修改的体育成绩:">; scanf<"%f",&our_student[i].PE>; our_student[i].sum=our_student[i].chinese+our_student[i].english+our_student[i].computer+our_student[i].math+our_student[i].PE; break; }}voidshanchu_score<intcount> /*删除学生成绩函数*/{ intnumber,i; system<"cls">; printf<"请输入需要删除成绩的学生的学号:">; scanf<"%d",&number>; while<1> { if<number>=20150000&&number<=count> { printf<"您输入的学号正确！可以进行修改处理。\n">; break; } else { printf<"您输入的学号有问题,请重新输入要修改成绩的学号！！！\n">; printf<"请输入需要修改成绩的学生的学号:">; scanf<"%d",&number>; } } printf<"您确定要将学号为%d的学生的成绩删除!!!\n",number>; printf<"1.是2.否\n">; scanf<"%d",&i>; switch<i> { case1: for<i=0;our_student[i].student_id==number;i++> { our_student[i].chinese=0; our_student[i].english=0; our_student[i].math=0; our_student[i].computer=0; our_student[i].PE=0; our_student[i].sum=0; printf<"\n">; printf<"您已将学号为%d的学生的成绩删除!!!\n",number>; printf<"****************************************\n">; printf<"*姓名：%s*\n",our_student[i].student_name>; printf<"*学号：%d*\n",our_student[i].student_id>; printf<"*年级：%d*\n",our_student[i].grade>; printf<"*语文成绩：%f*\n",our_student[i].chinese>; printf<"*英语成绩：%f*\n",our_student[i].english>; printf<"*数学成绩：%f*\n",our_student[i].math>; printf<"*计算机成绩：%f*\n",our_student[i].computer>; printf<"*体育成绩：%f*\n",our_student[i].PE>; printf<"*总分：%f*\n",our_student[i].sum>; printf<"****************************************\n">; break; } break; case2: break; default: break; }}voidchaxun_score<intcount> /*按要求查询学生成绩函数*/{ intnumber,i; system<"cls">; printf<"请输入需要查询的学生的学号:">; scanf<"%d",&number>; while<1> { if<number>=20150000&&number<=count> { printf<"您输入的学号正确！可以进行修改处理。\n">; break; } else { printf<"您输入的学号有问题,请重新输入要查询成绩的学号！！！\n">; printf<"请输入需要查询成绩的学生的学号:">; scanf<"%d",&number>; } } for<i=0;our_student[i].student_id==number;i++> { printf<"****************************************\n">; printf<"*姓名：%s*\n",our_student[i].student_name>; printf<"*学号：%d*\n",our_student[i].student_id>; printf<"*年级：%d*\n",our_student[i].grade>; printf<"*语文成绩：%f*\n",our_student[i].chinese>; printf<"*英语成绩：%f*\n",our_student[i].english>; printf<"*数学成绩：%f*\n",our_student[i].math>; printf<"*计算机成绩：%f*\n",our_student[i].computer>; printf<"*体育成绩：%f*\n",our_student[i].PE>; printf<"*总分：%f*\n",our_student[i].sum>; printf<"****************************************\n">; }}voidpaixu_score<intcount> /*学生成绩排序函数*/{}voidtongji_score<intcount> /*学生成绩统计函数*/{ system<"cls">; inti; printf<"**********************************************\n">; printf<"* 1.语文最高分*\n">; printf<"* 2.语文及格的人数*\n">; printf<"* 3.语文及格率*\n">; printf<"* 4.英语最高分*\n">; printf<"* 5.英语及格的人数*\n">; printf<"* 6.英语及格率*\n">; printf<"* 7.数学最高分*\n">; printf<"* 8.数学及格人数*\n">; printf<"* 9.数学及格率*\n">; printf<"* 10.计算机最高分*\n">; printf<"* 11.计算机及格的人数*\n">; printf<"* 12.计算机及格率*\n">; printf<"* 13.体育最高分*\n">; printf<"* 14.体育及格人数*\n">; printf<"* 15.体育及格率*\n">; printf<"*16.总成绩最高*\n">; printf<"**********************************************\n">; printf<"请选择统计条件:">; scanf<"%d",&i>; fflush<stdin>; if<i==1> { floata; a=chinese<count>; printf<"语文最高分为:%.2f",a>; } elseif<i==2> { intb; b=chr<count>; printf<"语文及格的人数为:%d",b>; } elseif<i==3> { intc; c=chr<count>; printf<"语文的及格率为:%.2f",float<c>/count>; } elseif<i==4> { floata; a=math<count>; printf<"数学最高分为:%.2f",a>; } elseif<i==5> { intb; b=mhr<count>; printf<"数学及格的人数为:%d",b>; } elseif<i==6> { intc; c=mhr<count>; printf<"数学的及格率为:%.2f",float<c>/count>; } elseif<i==7> { floata; a=english<count>; printf<"英语最高分为:%.2f",a>; } elseif<i==8> { intb; b=ehr<count>; printf<"英语及格的人数为:%d",b>; } elseif<i==9> { intc; c=ehr<count>; printf<"英语的及格率为:%.2f",float<c>/count>; } elseif<i==10> { floata; a=computer<count>; printf<"计算机最高分为:%.2f",a>; } elseif<i==11> { intb; b=thr<count>; printf<"计算机及格的人数为:%d",b>; } elseif<i==12> { intc; c=thr<count>; printf<"计算机的及格率为:%.2f",float<c>/count>; } elseif<i==13> { floata; a=PE<count>; printf<"体育最高分为:%.2f",a>; } elseif<i==14> { intb; b=phr<count>; printf<"体育及格的人数为:%d",b>; } elseif<i==15> { intc; c=phr<count>; printf<"体育的及格率为:%.2f",float<c>/count>; } elseif<i==16> { floata; a=sum_score<count>; printf<"总分最高为:%.2f",a>; } else { printf<"输入错误！！！\n">; }}floatchinese<intcount> /*计算语文成绩最大值函数*/{ floatmax; inti; max=our_student[0].chinese; for<i=0;i<count;i++> { if<max<our_student[i].chinese> { max=our_student[i].chinese; } } returnmax;}intchr<intcount> /*计算语文成绩及格人数的函数*/{ inti,a=0; for<i=0;i<count;i++> { if<our_student[i].chinese>=60> { a++; } } returna;}floatenglish<intcount> /*计算英语成绩最大值函数*/{ floatmax; inti; max=our_student[0].english; for<i=0;i<count;i++> { if<max<our_student[i].english> { max=our_student[i].english; } } returnmax;}intehr<intcount> /*计算英语成绩及格人数的函数*/{ inti,a=0; for<i=0;i<count;i++> { if<our_student[i].english>=60> { a++; } } returna;}floatmath<intcount> /*计算数学成绩最大值函数*/{ floatmax; inti; max=our_student[0].math; for<i=0;i<count;i++> { if<max<our_student[i].math> { max=our_student[i].math; } } returnmax;}intmhr<intcount> /*计算数学成绩及格人数的函数*/{ inti,a=0; for<i=0;i<count;i++> { if<our_student[i].math>=60> { a++; } } returna;}floatcomputer<intcount> /*计算计算机成绩最大值函数*/{ floatmax; inti; max=our_student[0].computer; for<i=0;i<count;i++> { if<max<our_student[i].computer> { max=our_student[i].computer; } } returnmax;}intthr<intcount> /*计算计算机成绩及格人数的函数*/{ inti,a=0; for<i=0;i<count;i++> { if<our_student[i].computer>=60> { a++; } } returna;}floatPE<intcount> /*计算体育成绩最大值函数*/{ floatmax; inti; max=our_student[0].PE; for<i=0;i<count;i++> { if<max<our_student[i].PE> { max=our_student[i].PE; } } returnmax;}intphr<intcount> /*计算体育成绩及格人数的函数*/{ inti,a=0; for<i=0;i<count;i++> { if<our_student[i].PE>=60> { a++; } } returna;}floatsum_score<intcount> /*计算总分成绩最大值函数*/{ floatmax; inti; max=our_student[0].sum; for<i=0;i<count;i++> { if<max<our_student[i].sum> { max=our_student[i].sum; } } returnmax;}intyes_no_return<>/*选择是否返回上一层*/{ charjude; printf<"\n 请输入：">; fflush<stdin>; scanf<"%c",&jude>; if<'Y'==jude> return0; else return1;}voidstudent_file1<> /*将保存的学生的账号密码存入文件中*/{inti,a; FILE*fp1; fp1=fopen<"student1.txt","r">; if<fp1==NULL> { fp1=fopen<"student1.txt","w">; } else { fclose<fp1>; fp1=fopen<"student1.txt","a">; } printf<"======================正在将学生帐号密码保存至文件======================\n">; printf<"\n 要添加的学生账号的个数为:">; scanf<"%d",&a>; printf<"\n">; for<i=0;i<a;i++> { printf<" ***********************************\n">; printf<"\n 请输入第%d个要添加的学生账号:",i+1>; scanf<"%d",&our_student[i].student_id>; printf<"\n 请输入学生密码:">; scanf<"%s",&our_student[i].password>; } for<i=0;i<a;i++> { fprintf<fp1,"%d",our_student[i].student_id>; fprintf<fp1,"%s",our_student[i].password>; } printf<" 添加成功!\n">; fclose<fp1>; printf<"\n ">; system<"pause">; system<"cls">;}voidstudent_file2<> /*将保存的学生的个人信息存入文件中*/{inti,a; FILE*fp1; fp1=fopen<"student2.txt","r">; if<fp1==NULL> { fp1=fopen<"student2.txt","w">; } else { fclose<fp1>; fp1=fopen<"student2.txt","a">; } printf<"======================正在将学生个人信息保存至文件======================\n">; printf<"\n 要添加的学生信息的个数为:">; scanf<"%d",&a>; printf<"\n">; for<i=0;i<a;i++> { fprintf<fp1,"%d",our_student[i].age>; fprintf<fp1,"%s",our_student[i].qq>; fprintf<fp1,"%s",our_student[i].tel>; fprintf<fp1,"%d",our_student[i].grade>; } printf<" 添加成功!\n">; fclose<fp1>; printf<"\n ">; system<"pause">; system<"cls">;}voidstudent_file3<> /*将保存的学生的成绩存入文件中*/{inti,a; FILE*fp1; fp1=fopen<"student3.txt","r">; if<fp1==NULL> { fp1=fopen<"student3.txt","w">; } else { fclose<fp1>; fp1=fopen<"student3.txt","a">; } printf<"=======================正在将学生成绩保存至文件=======================\n">; printf<"\n 要添加的学生成绩的个数为:">; scanf<"%d",&a>; printf<"\n">; for<i=0;i<a;i++> { fprintf<fp1,"%f",our_student[i].chinese>; fprintf<fp1,"%f",our_student[i].english>; fprintf<fp1,"%f",our_student[i].math>; fprintf<fp1,"%f",our_student[i].computer>; fprintf<fp1,"%f",our_student[i].sum>; } printf<" 添加成功!\n">; fclose<fp1>; printf<"\n ">; system<"pause">; system<"cls">;}voidteacher_file<> /*将保存的老师的账号密码存入文件中*/{inti,a; FILE*fp1; fp1=fopen<"teacher.txt","r">; if<fp1==NULL> { fp1=fopen<"teacher.txt","w">; } else { fclose<fp1>; fp1=fopen<"teacher.txt","a">; } printf<"======================正在将学生帐号密码保存至文件======================\n">; printf<"\n 要添加的老师账号的个数为:">; scanf<"%d",&a>; printf<"\n">; for<i=0;i<a;i++> { printf<" ***********************************\n">; printf<"\n 请输入第%d个要添加的老师账号:",i+1>; scanf<"%d",&our_teacher[i].teacher_id>; printf<"\n 请输入老师密码:">; scanf<"%s",&our_teacher[i].password>; } for<i=0;i<a;i++> { fprintf<fp1,"%d",our_teacher[i].teacher_id>; fprintf<fp1,"%s",our_teacher[i].password>; } fclose<fp1>; printf<"\n ">; system<"pause">; system<"cls">;}intshow_menu_register<> /*注册菜单*/{ intchoice; printf<"==========================欢迎使用熊智诚的教务系统==========================\n">; printf<"\n\n\n\n\n">; printf<"\t*********************教务管理系统注册界面********************\n">; printf<"\t*************************************\n">; printf<"\t*************************\n">; printf<"\t*******1.学生注册*******\n">; printf<"\t*********\n">; printf<"\t**2.管理员注册**\n">; printf<"\t*********\n">; printf<"\t*******3.退出注册*******\n">; printf<"\t**********