语言教务管理系统

1、#include"stdio.h"#include"stdlib.h"#include"conio.h"#include"string.h"#include"windows.h" /登陆界面函数void load();void background1();void choice1();void fanhui1();void denglu();void zhuce();int chazhao(); /目录界面函数void mulu();void background();void choice()

2、;void add();void xiugai();void shanchu();void del();void chaxun();void paixu();void tongji();void output();void finish();void fanhui2();void shuchu();int zongren();int chr();int enr();int mar();void back();float chinese();float english();float math();float zongmax(); /登陆界面结构体struct selfchar a10;char

3、 b10;int flg;s100="admin","admin",1,"1","1",1; /目录界面结构体struct studentchar num10;char name10;float chinese;float english;float math;float sum;int a;stu5="1100","小明",12,18,20,50,1,"1101","小样",20,80,60,160,1; /登陆界面void main

4、()load();void load()background1();choice1();void background1()puts(" ");puts(" ");printf(" *n");printf(" 欢迎登录学生管理系统 ");puts(" ");printf(" *n");printf(" 1.登录 2.注册 n ");printf(" 请选择:");void choice1()int a;scanf("%d&qu

5、ot;,&a);fflush(stdin);switch(a)case 1:denglu();break;case 2:zhuce();break;default:fanhui1();break;void fanhui1()printf(" 输入错误!n");printf(" 请重新输入!n");system("cls");load();void denglu()struct self s2;char c;int i=0;int j=0;printf("请输入用户名:n");scanf("%s&q

6、uot;,s2.a);fflush(stdin);puts(" ");printf("请输入密码:");c=getch();while(c!=13)printf("*"); s2.bi=c;i+;while(c=getch()=8)if(i=0)continue;putchar('b');putchar(' ');putchar('b');s2.b-i=0; s2.bi=0;s2.flg=1;puts(" ");puts(s2.b);for(i=0;i<100;

7、i+)if(!strcmp(si.a,s2.a)&&!strcmp(si.b,s2.b)printf("成功!");system("cls");printf("nnnnnnnnnttt欢迎进入学生管理系统nnn");Sleep(2000);system("cls");mulu();elsej+;if(j=100)fanhui1();void zhuce()struct self s3;char c,d;int i,j;i=0;printf("请输入帐号:");gets(s3.a)

8、;puts(s3.a);printf("请输入密码:");c=getch();while(c!=13)printf("*"); s3.bi=c;i+;while(c=getch()=8)if(i=0)continue;putchar('b');putchar(' ');putchar('b');s3.b-i=0;s3.bi=0;s3.flg=1;printf("确定'y' 取消'n'");scanf("%c",&d); fflu

9、sh(stdin);if(d='y'|d='Y')j=chazhao();sj=s3;printf("注册成功!");shuchu();system("cls");fanhui1();elsefanhui1();int chazhao()int a,i;for(i=0;i<100;i+)if(si.flg=0)a=i;break;return i; /目录界面void mulu()background();choice();void background()printf("*n");printf(

10、"/_ n");printf("*n");puts(" ");printf("欢迎进入学生成绩管理系统");puts(" ");printf("*n");printf(" 请输入业务:n");puts(" ");printf("1. 查看所有记录显示n");printf("2. 添加学生成绩n");printf("3. 修改学生成绩n");printf("4. 删除学

11、生成绩n");printf("5. 清空记录n");printf("6. 按要求查询学生成绩n");printf("7. 按要求排序n");printf("8. 按要求统计成绩n");printf("9. 退出n");printf("请选择:");void choice()int a;scanf("%d",&a);fflush(stdin);printf("%dn",a);switch(a)case 1: output

12、();break;case 2: add();break;case 3: xiugai();break;case 4: shanchu();break;case 5:del();break;case 6: chaxun();break;case 7: paixu();break;case 8: tongji();break;case 9:finish();break;default:system("cls");mulu();break;void add()system("cls");int i;char c,a;shuchu();printf("

13、;1 输入 2 返回主界面n");scanf("%d",&a);fflush(stdin);if(a=1)for(i=0;i<5;i+)if(stui.a=0)break;printf("请输入学号:");scanf("%s",stui.num);fflush(stdin);printf("n请输入姓名:");scanf("%s",);fflush(stdin);printf("n请输入语文成绩:");scanf("%f&q

14、uot;,&stui.chinese);fflush(stdin);printf("n请输入英语成绩:");scanf("%f",&stui.english);fflush(stdin);printf("n请输入数学成绩:");scanf("%f",&stui.math);fflush(stdin);stui.a=1;stui.sum=stui.chinese+stui.english+stui.math;shuchu();printf("y返回主界面");scanf(&

15、quot;%c",&c);if(c='Y'|c='y')system("cls");mulu();elseadd();else if(a=2)system("cls");mulu();elseprintf("输入错误，请重新输入!");system("cls");add();void xiugai()char a;system("cls");shuchu();printf("1 修改 2 返回主界面");scanf("

16、;%d",&a);fflush(stdin);if(a=1)char b10;char c;int i;int j=0;printf("请输入需要修改的人的姓名或者学号:");gets(b);fflush(stdin);puts(" ");puts(b);for(i=0;i<5;i+)if(!strcmp(,b)|!strcmp(stui.num,b)printf("n请输入需要修改的学号:");scanf("%s",stui.num);fflush(stdin);prin

17、tf("n请输入需要修改的姓名:");scanf("%s",);fflush(stdin);printf("n请输入需要修改的语文成绩:");scanf("%f",&stui.chinese);fflush(stdin);printf("n请输入需要修改的英语成绩:");scanf("%f",&stui.english);fflush(stdin);printf("n请输入需要修改的数学成绩成绩:");scanf(&quo

18、t;%f",&stui.math);fflush(stdin);stui.sum=stui.chinese+stui.english+stui.math;break;elsej+;if(j=5)printf("输入错误，请重新输入!");system("cls");xiugai();system("cls");shuchu();printf("y返回主界面");scanf("%c",&c);if(c='Y'|c='y')system(&q

19、uot;cls");mulu();elsexiugai();else if(a=2)system("cls");mulu();elseprintf("输入错误，请重新输入!");system("cls");xiugai();void shanchu()char a;int j=0;char c;system("cls");shuchu();printf("1 删除 2返回主界面:");scanf("%d",&a);fflush(stdin);if(a=1)i

20、nt i;char b10;printf("请输入需要删除的人的学号或者姓名:");gets(b);fflush(stdin);for(i=0;i<5;i+)if(!strcmp(,b)|!strcmp(stui.num,b)stui.a=0;printf("删除成功!");break;elsej+;if(j=5)printf("输入错误，请重新输入!");shanchu();printf("是否返回主界面:(y是)");scanf("%c",&c);if(c=&

21、#39;y'|c='Y')system("cls");mulu();elseshanchu();else if(a=2)system("cls");mulu();else shanchu();void del()char a;system("cls");shuchu();printf("1 清空 2 返回主界面");scanf("%d",&a);fflush(stdin);if(a=1)char c;printf("确定？(y确定)");sca

22、nf("%c",&c);fflush(stdin);if(a='Y'|a='y')int i;for(i=0;i<5;i+)stui.a=0;system("cls");del();elsedel();else if(a=2)system("cls");mulu();elseprintf("输入错误,请重新输入!");del();void chaxun()char a;int j=0;system("cls");printf("1 查询 2

23、 返回主界面");printf("请选择;");scanf("%d",&a);fflush(stdin);if(a=1)char b10;char c;int i;printf("请输入需要查询的人的学号或者姓名:");gets(b);for(i=0;i<5;i+)if(!strcmp(,b)|!strcmp(stui.num,b)printf("n学号:%-6s",stui.num);printf("n姓名:%-6s",);print

24、f("n语文成绩:%-6.2f",stui.chinese);printf("n英语成绩:%-6.2f",stui.english);printf("n数学成绩:%-6.2f",stui.math);printf("n总成绩:%-6.2f",stui.sum);break;elsej+;if(j=5)printf("输入错误,请重新输入!");chaxun();printf("是否返回主页面：(y是)");scanf("%c",&c);fflush

25、(stdin);if(c='y'|c='Y')system("cls");mulu();elseprintf("继续查找!");chaxun();else if(a=2)system("cls");mulu();elseprintf("输入错误,请重新输入!");chaxun();void paixu()char a;char c;system("cls");shuchu();printf("1 排序 2返回主界面");scanf("

26、%d",&a);fflush(stdin);if(a=1)int i,j;int aa;struct student s;printf("1 降序排列 2 升序排列");printf("请选择:");scanf("%d",&aa);fflush(stdin);for(i=0;i<5;i+)for(j=0;j<4;j+)if(aa=1)if(strcmp(stuj.num,stuj+1.num)<0)s=stuj;stuj=stuj+1;stuj+1=s;if(aa=2)if(strcmp(s

27、tuj.num,stuj+1.num)>0)s=stuj;stuj=stuj+1;stuj+1=s;if(aa!=1&&aa!=2)printf("输入错误，请重新输入!");system("cls");paixu();shuchu();printf("是否返回主界面:(y是)");scanf("%c",&c);fflush(stdin);if(c='Y'|c='y')system("cls");mulu();elseprintf(&

28、quot;继续!");paixu();else if(a=2)system("cls");mulu();elseprintf("输入错误，请重新输入!");paixu();void tongji()system("cls");char a;printf("1 统计 2 返回主界面");scanf("%d",&a);fflush(stdin);if(a=1)char c;printf("请输入统计条件:n"); printf(" 1.参加考试的学生人

29、数n");printf(" 2.语文最高分n");printf(" 3语文及格的人数n");printf(" 4.语文及格率n");printf(" 5.英语最高分n");printf(" 6.英语及格的人数n");printf(" 7.英语及格率n");printf(" 8.数学最高分n");printf(" 9.数学及格人数n");printf(" 10.数学及格率n");printf(" 1

30、1.总成绩最高n");printf("请选择:");scanf("%d",&c);fflush(stdin);if(c=1)int j;j=zongren();printf("参加考试的人数是：%d",j);back(); else if(c=2)float a;a=chinese();printf("语文最高分为:%.2f",a);back();else if(c=3)int a;a=chr(); printf("语文及格的人数为:%d",a);back();else if(

31、c=4)int a,b;a=zongren();b=chr();printf("语文的及格率为:%d",b/a);back();else if(c=5)float a;a=english();printf("英语的最高分为%.2f:",a);back();else if(c=6)int a;a=enr(); printf("英语及格的人数为:%d",a);back();else if(c=7)int a,b;a=zongren();b=enr();printf("英语的及格率为:%.2f",b/a);back();

32、else if(c=8)float a;a=math();printf("数学的最高分为%.2f:",a);back();else if(c=9)int a;a=mar(); printf("数学及格的人数为:%d",a);back();else if(c=10)int a,b;a=zongren();b=enr();printf("数学的及格率为:%.2f",b/a);back();else if(c=11)float a;a=zongmax();printf("总分最高为:.2f",a);back();else

33、printf("输入错误，请重新输入!");system("cls");tongji();else if(a=2)system("cls");mulu();elseprintf("输入错误，请重新输入!");tongji();int zongren()int i,a=0;for(i=0;i<5;i+)if(stui.a=1)a+; return a;float chinese()float max;int i;max=stu0.chinese;for(i=0;i<5;i+)if(stui.a=1)if(

34、max<stui.chinese)max=stui.chinese;return max;float english()float max;int i;max=stu0.english;for(i=0;i<5;i+)if(stui.a=1)if(max<stui.english)max=stui.english;return max;float math()float max;int i;max=stu0.math;for(i=0;i<5;i+)if(stui.a=1)if(max<stui.math)max=stui.math;return max;float zongmax()float max;int i;for(i=0;i<5;i+)if(stui.a=1)if(max<stui.sum)max=stui.sum;return max;int chr()int i,a=0;for(i=0;i<5;i+)if(stui.a=1)if(stui.chinese>=60)a+;return a;int enr()int i,a=0;for(i=0;i<5;i+)if(stui.a=1)if(stui.eng