源代码修改考研成绩

源代码修改考研成绩

考研成绩出错修改方法如下：
1、在规定的时间内自主提交成绩复核申请，方可重查成绩，如果复核后成绩确实有误，学校会进行修改。
2、申请复核，成绩复核后若是考生的考研成绩存在错误，招生单位会进行修改。

c语言程序学生成绩管理系统源代码

头文件:::
#ifndef H_STUDENT_HH
#define H_STUDENT_HH

#include "stdio.h"
#include "string.h"
#include "malloc.h"

#define LEN sizeof(struct message_student) /*一个结构体数组元素的长度*/
#define numsubs 5 /*学科数目*/
typedef struct message_student /*结构体定义*/
{
char number[6];
char name[20];
char sex[4];
float subject[numsubs];
float score;
float average;
int index;
}student;

extern int numstus; /*学生数目*/
extern student *pointer; /*指向结构体数组*/
extern int lens;

int menu_select(); /*函数声明*/
int openfile(student stu[]);
int findrecord(student stud[]);
int writetotext(student stud[]);
void welcome();
void display1();
void showtable();
void sort(student stu[]);
void deleterecord(student stu[],int i);
void addrecord(student stud[]);
void display(student stud[],int n1,int n2);
void amendrecord(student stud[]);
void count(student stud[]);
void sortnum(student stud[]);
void sortnum2(student stud[]);
void sortname(student stud[]);
void sortname2(student stud[]);
void sortcount(student stud[]);
void sortcount2(student stud[]);
void statistic(student stud[]);
void display1();

#endif

#include "head.h"
int menu_select()
{
char c;
printf("\n\n");
printf(" | 1. 增加学生记录 5.统计信息 |\n");
printf(" | 2. 查询学生记录 6.打开文件 |\n");
printf(" | 3. 修改学生记录 7.保存文件 |\n");
printf(" | 4. 学生纪录排序 8.显示记录 |\n");
printf(" | 0.退出系统 |\n");
printf("\n\n");
printf("请选择(0-8):");
c=getchar();
getchar();
return (c-'0');
}

#include "head.h"
int findrecord(student stud[]) /*查找信息*/
{
char str[2];
int i,num;
if(numstus==0)
{
printf("没有可被查找的记录\n");
return -1;
}
else
{
printf("以何种方式查找？\n1.学号\t2.姓名\t3.名次\n");
gets(str);
if(str[0]=='1') /*按学号查找*/
{
printf("请输入学号:");
gets(str);
for(i=0;i<=numstus;i++)
if(strcmp(str,stud[i].number)==0)
{
display(stud,i,i);
break;
}
else continue;
}
else if(str[0]=='2') /*按姓名查找*/
{
printf("请输入姓名:");
gets(str);
for(i=0;i<=numstus;i++)
if(strcmp(str,stud[i].name)==0)
{
display(stud,i,i);
break;
}
else continue;
}
else if(str[0]=='3') /*按名次查找*/
{
printf("请输入名次:");
scanf("%d",&num);
getchar();
for(i=0;i<=numstus;i++)
if(num==stud[i].index)
{
display(stud,i,i);
break;
}
else continue;
}
if(i>numstus)
{
printf("没有查找所要的信息。\n");
return -1;
}
return i;
}
}

#include"head.h"
int openfile(student stu[])
{
int i=0,j;
FILE *fp;
char filename[20],str[2];
if(numstus!=0)
{
printf("已经有记录存在，是否保存?(y/n)");
gets(str);
if(str[0]=='y'||str[0]=='Y')
writetotext(stu);
}
printf("请输入文件名:");
gets(filename);
numstus=0;
if((fp=fopen(filename,"rb+"))==NULL)
{
printf("无法打开该文件\n");
return(-1);
}
fscanf(fp,"%d",&numstus);
fgetc(fp);
while(i<numstus)
{
fscanf(fp,"%s",stu[i].number);
fscanf(fp,"%s",stu[i].name);
fscanf(fp,"%s",stu[i].sex);
for(j=0;j<numsubs;j++)
fscanf(fp,"%f",&stu[i].subject[j]);
fscanf(fp,"%f",&stu[i].score);
fscanf(fp,"%f",&stu[i].average);
fscanf(fp,"%d",&stu[i].index);
i++;
}
fclose(fp);
printf("文件读取成功\n");
printf("是否显示纪录?(y/n)");
gets(str);
if(str[0]=='y'||str[0]=='Y')
display(stu,0,numstus-1);
return(0);
}
#include "head.h"
void sort(student stud[])
{
int i,j=0;
char str[5];
student *p;
p=stud;
if(numstus==0)
{
printf("没有可供查询的记录!");
}
while(1)
{
for(i=0;;i++)
{
printf(" 请输入查询方式:");
printf("（直接输入回车则结束查询操作）\n");
printf("1.按照学号\t");
printf("2.按照姓名\t");
printf("3.按照名次\n");
gets(str);
if(strlen(str)==0) break;
if(str[0]=='1')
{
printf("请输入排序次序：\n");
printf("1.升序排列\t");
printf("2.降序排列\n");
gets(str);
if(str[0]=='1')
sortnum2(p);
else
sortnum(p);
display(stud,0,numstus-1);
}
else if(str[0]=='2')
{
printf("请输入排序次序：\n");
printf("1.升序排列\t");
printf("2.降序排列\n");
gets(str);
if(str[0]=='1')
sortname2(p);
else
sortname(p);
display(stud,0,numstus-1);
}
else if(str[0]=='3')
{
printf("请输入排序次序：\n");
printf("1.升序排列\t");
printf("2.降序排列\n");
gets(str);
if(str[0]=='1')
sortcount2(p);
else
sortcount(p);
display(stud,0,numstus-1);
}
else printf("请输入1~3");
printf("是否退出排序?(y/n)");
gets(str);
if(str[0]=='y'||str[0]=='Y') break;
}
return;
}
}
void sortnum(student stud[])
{
int i,j;
student temp;
student *p;
p=stud;
for(i=0;i<numstus;i++)
for(j=0;j<numstus-i-1;j++)
{
if(strcmp(stud[j+1].number,stud[j].number)>0)
{
temp=*(p+j);
*(p+j)=*(p+j+1);
*(p+j+1)=temp;
}
}
}
void sortnum2(student stud[])
{
int i,j;
student temp;
student *p;
p=stud;
for(i=0;i<numstus;i++)
for(j=0;j<numstus-i-1;j++)
{
if(strcmp(stud[j].number,stud[j+1].number)>0)
{
temp=*(p+j);
*(p+j)=*(p+j+1);
*(p+j+1)=temp;
}
}
}
void sortname(student stud[])
{
int i,j;
student temp;
student *p;
p=stud;
for(i=0;i<numstus;i++)
for(j=0;j<numstus-i-1;j++)
{
if(strcmp(stud[j+1].name,stud[j].name)>0)
{
temp=*(p+j);
*(p+j)=*(p+j+1);
*(p+j+1)=temp;
}
}
}
void sortname2(student stud[])
{
int i,j;
student temp;
student *p;
p=stud;
for(i=0;i<numstus;i++)
for(j=0;j<numstus-i-1;j++)
{
if(strcmp(stud[j].name,stud[j+1].name)>0)
{
temp=*(p+j);
*(p+j)=*(p+j+1);
*(p+j+1)=temp;
}
}
}
void sortcount(student stud[])
{
int i,j;
student temp;
student *p;
p=stud;
for(i=0;i<numstus;i++)
for(j=0;j<numstus-i-1;j++)
{
if(stud[j+1].index>stud[j].index)
{
temp=*(p+j);
*(p+j)=*(p+j+1);
*(p+j+1)=temp;
}
}
}
void sortcount2(student stud[])
{
int i,j;
student temp;
student *p;
p=stud;
for(i=0;i<numstus;i++)
for(j=0;j<numstus-i-1;j++)
{
if(stud[j].index>stud[j+1].index)
{
temp=*(p+j);
*(p+j)=*(p+j+1);
*(p+j+1)=temp;
}
}
}
#include"head.h"
void statistic(student stud[]) /*新增功能，输出统计信息*/
{
int i,j=0,k=0;
char c1,str[2];
float average[numsubs],sum=0;
if(numstus==0)
printf("没有可被查找的记录\n");
else
{
while(1)
{
printf("下面将统计考试成绩\n");
printf("请选择你要统计哪科的成绩 1.A\t2.B\t3.C\t4.D\t5.E\n");
c1=getchar();
printf("\t一共有个%d记录\n",numstus); /*总共记录数*/
switch(c1)
{
case '1':
for(i=0;i<numstus;i++) /*循环输入判断*/
{
sum+=stud[i].subject[0];
if(stud[k].subject[0]>stud[i].subject[0]) k=i;
if(stud[j].subject[0]<stud[i].subject[0]) j=i;
}
average[0]=sum/numstus;
printf("\t科目A的最高分:\n"); /*最高分*/
printf("\t\t学号:%s 姓名:%s 分数:%.2f\n",stud[j].number,stud[j].name,stud[j].subject[0]);
printf("\t科目A的最低分是:\n"); /*最低分*/
printf("\t\t学号:%s 姓名:%s 分数:%.2f\n",stud[k].number,stud[k].name,stud[k].subject[0]);
printf("\t科目A的平均分是 %5.2f\n",average[0]); /*平均分*/
break;
case '2':
for(i=0;i<numstus;i++) /*循环输入判断*/
{
sum+=stud[i].subject[1];
if(stud[k].subject[1]>stud[i].subject[1]) k=i;
if(stud[j].subject[1]<stud[i].subject[1]) j=i;
}
average[1]=sum/numstus;
printf("\t科目B的最高分:\n"); /*最高分*/
printf("\t\t学号:%s 姓名:%s 分数:%.2f\n",stud[j].number,stud[j].name,stud[j].subject[1]);
printf("\t科目B的最低分是:\n"); /*最低分*/
printf("\t\t学号:%s 姓名:%s 分数:%.2f\n",stud[k].number,stud[k].name,stud[k].subject[1]);
printf("\t科目B的平均分是 %5.2f\n",average[1]); /*平均分*/
break;
case '3':
for(i=0;i<numstus;i++) /*循环输入判断*/
{
sum+=stud[i].subject[2];
if(stud[k].subject[2]>stud[i].subject[2]) k=i;
if(stud[j].subject[2]<stud[i].subject[2]) j=i;
}
average[2]=sum/numstus;
printf("\t科目C的最高分:\n"); /*最高分*/
printf("\t\t学号:%s 姓名:%s 分数:%.2f\n",stud[j].number,stud[j].name,stud[j].subject[2]);
printf("\t科目C的最低分是:\n"); /*最低分*/
printf("\t\t学号:%s 姓名:%s 分数:%.2f\n",stud[k].number,stud[k].name,stud[k].subject[2]);
printf("\t科目C的平均分是 %5.2f\n",average[2]); /*平均分*/
break;
case '4':
for(i=0;i<numstus;i++) /*循环输入判断*/
{
sum+=stud[i].subject[3];
if(stud[k].subject[3]>stud[i].subject[3]) k=i;
if(stud[j].subject[3]<stud[i].subject[3]) j=i;
}
average[3]=sum/numstus;
printf("\t科目D的最高分:\n"); /*最高分*/
printf("\t\t学号:%s 姓名:%s 分数:%.2f\n",stud[j].number,stud[j].name,stud[j].subject[3]);
printf("\t科目D的最低分是:\n"); /*最低分*/
printf("\t\t学号:%s 姓名:%s 分数:%.2f\n",stud[k].number,stud[k].name,stud[k].subject[3]);
printf("\t科目D的平均分是 %5.2f\n",average[3]); /*平均分*/
break;
case '5':
for(i=0;i<numstus;i++) /*循环输入判断*/
{
sum+=stud[i].subject[4];
if(stud[k].subject[4]>stud[i].subject[4]) k=i;
if(stud[j].subject[4]<stud[i].subject[4]) j=i;
}
average[4]=sum/numstus;
printf("\t科目E的最高分:\n"); /*最高分*/
printf("\t\t学号:%s 姓名:%s 分数:%.2f\n",stud[j].number,stud[j].name,stud[j].subject[4]);
printf("\t科目E的最低分是:\n"); /*最低分*/
printf("\t\t学号:%s 姓名:%s 分数:%.2f\n",stud[k].number,stud[k].name,stud[k].subject[4]);
printf("\t科目E的平均分是 %5.2f\n",average[4]); /*平均分*/
break;
default:printf("输入错误！请输入1~5之间的数\n");
}
sum=0;
getchar();
printf("是否继续进行统计?(y/n)");
gets(str);
if(str[0]=='y'||str[0]=='Y') ;
else break;
}
}
}

#include"head.h"
int writetotext(student stud[]) /*将所有记录写入文件*/
{
int i=0,j;
FILE *fp;
char filename[20];
printf("输入文件名称:");
gets(filename);
fp=fopen(filename,"w");
fprintf(fp,"%d\n",numstus);
while(i<numstus)
{
fprintf(fp,"%s %s %s ",stud[i].number,stud[i].name,stud[i].sex);
for(j=0;j<numsubs;j++)
fprintf(fp,"%f ",stud[i].subject[j]);
fprintf(fp,"%f %f %d ",stud[i].score,stud[i].average,stud[i].index);
i++;
}
fclose(fp);
printf("已成功存储!\n");
display(stud,0,numstus-1);
numstus=0;
return 0;
}

#include"head.h"
void welcome()
{
printf("\t*************************************************************\n");
printf("\t\t\t\t这是一个学生成绩管理系统\n\t\t\t\t 倾情奉献 欢迎使用!\n");
printf("\t*************************************************************\n");

}

void showtable()
{
printf("---------------------------------------------------------------------------------------\n");
printf("学号\t姓名\t性别\tA\tB\tC\tD\tE\t总分\t平均分\t名次\n");
printf("---------------------------------------------------------------------------------------\n");
}

void display(student stud[],int n1,int n2)
{
int i;
showtable(); /*显示表头*/
for(i=n1;i<=n2;i++)
printf("%s\t%s\t%s\t%.2f\t%.2f\t%.2f\t%.2f\t%.2f\t%.2f\t%.2f\t%d\t\n",stud[i].number,stud[i].name,stud[i].sex,stud[i].subject[0],stud[i].subject[1],stud[i].subject[2],stud[i].subject[3],stud[i].subject[4],stud[i].score,stud[i].average,stud[i].index);
/*通过循环输出数据*/

}
void display1()
{
printf("\t\t本系统由计应精英一组亲情制作\n\n");
printf("\t\t制作人员列表: (按比划)\n");
printf("\t\t王庆斌\t\t\t张威\n\t\t李智\t\t\t周在峰\n\t\t杨凯\t\t\t胡杨\n");
printf("\n\n");
getchar();
}

#include"head.h"
#include<string.h>
void amendrecord(student stud[])
{
char str[5]; /*供用户输入*/
int i=-1,j;

if(numstus==0) /*没有记录返回*/
printf("没有可供修改的记录！");
while(i<0)
{
i=findrecord(stud);
if(i>=0)
{
printf("要删除这个学生的信息吗?(y/n)");
gets(str);
if(str[0]=='y'||str[0]=='Y')
{
deleterecord(stud,i);
count(stud);
}
else
{
printf("确定要修改这个学生的信息吗?(y/n)");
gets(str);
if(str[0]=='y'||str[0]=='Y')
{

printf("下面请重新输入学生的信息:\n");
printf("请输入学号:");
gets(stud[i].number);
printf("请输入姓名:");
gets(stud[i].name);
printf("请输入性别(男/女 1/0):");
gets(str);
if(str[0]=='0')
strcpy(stud[i].sex,"女");
else
strcpy(stud[i].sex,"男");
stud[i].score=0;
printf("请按顺序输入成绩:");
for(j=0;j<numsubs;j++)
{
scanf("%f",&stud[i].subject[j]);
stud[i].score+=stud[i].subject[j];
}
getchar();
stud[i].average=stud[i].score/numsubs;
}
count(stud);
}
display(stud,0,numstus-1);
}
printf("是否继续进行其他修改?(y/n)\n");
gets(str);
if(str[0]=='y'||str[0]=='Y')
i=-1;
else i=1;
}
}

void deleterecord(student stu[],int i) /*删除信息*/
{
int j;

while(i>=0)
{
for(j=i;j<numstus;j++)
stu[j]=stu[j+1];
numstus--;
printf("删除成功!\n");

}
}

void count(student stud[])
{
int i,j;
for(i=0;i<numstus;i++)
{
stud[i].index=1;
for(j=0;j<numstus;j++)
if(stud[j].score>stud[i].score)
stud[i].index++;
}
}

#include "head.h"
void addrecord(student stud[])
{
int i=0,j,num;
char str[5];
if(numstus!=0)
{
printf("已有记录存在是否覆盖?(y/n)\n");
gets(str);
if(str[0]=='Y'||str[0]=='y')
i=0;
else i=numstus;
}

printf("请输入增加的学生信息条目数:");
scanf("%d",&num);
if(i==0)
numstus=num;
else numstus+=num;
if(numstus>lens)
{
lens+=50;
pointer=(student *)realloc(pointer,lens*LEN);
}
printf("请输入学生信息:\n");
for(;i<numstus;i++)
{
getchar();
printf("请输入学号:");
gets(pointer[i].number);
printf("请输入姓名:");
gets(pointer[i].name);
printf("请输入性别(男/女 1/0):");
gets(pointer[i].sex);
if(pointer[i].sex[0]=='0') strcpy(pointer[i].sex,"女");
else strcpy(pointer[i].sex,"男");
printf("请输入各科成绩:(按ABCDE的顺序):");
stud[i].score=0;
for(j=0;j<numsubs;j++)
{
scanf("%f",&stud[i].subject[j]); /*计算总分*/
stud[i].score+=stud[i].subject[j];
}
stud[i].average=stud[i].score/numsubs; /*计算平均分*/
}
count(stud); /*附名次*/
display(stud,0,numstus-1);
getchar();
}#include "head.h"
int numstus;
int lens;
student *pointer;
void main()
{
int i=1;
char str[2];
lens=100;
pointer=(student *)malloc(lens*LEN); /*分配内存*/
numstus=0;
welcome(); /*欢迎界面*/
while(i>0)
{
i=menu_select(); /*控制菜单*/
switch(i)
{
case 1:addrecord(pointer);break; /*增加学生信息*/
case 2:findrecord(pointer);break; /*查询学生信息*/
case 3:amendrecord(pointer);break; /*修改学生信息*/
case 4:sort(pointer);break; /*学生信息排序*/
case 5:statistic(pointer);break; /*统计信息*/
case 6:openfile(pointer);break; /*打开文件*/
case 7:writetotext(pointer);break; /*保存文件*/
case 8:display(pointer,0,numstus-1);break; /*显示记录*/
case 0:
if(numstus!=0) printf("是否保存当前记录?(y/n)");
gets(str);
if(str[0]=='y'||str[0]=='Y')
writetotext(pointer);
i=-1;break; /*退出系统*/
default:printf("请输入数字0~8:\n");i=1; /*输入错误*/
}
}
printf("\t\t欢迎再次使用本系统。\n\n");
display1();
}

自己一改就能用,给我加分哈!

求C语言源代码 题目 学生成绩管理系统

#include <cstdlib>
#include <iostream>

using namespace std;

int main(int argc, char *argv[])
{ #define UP 72

#define DOWN 80

#define INSERT 82

#define DEL 83

#define ENTER 28

#define KEY 12

#define KEY 23

#define KEY 34

#define KEY 45

#define KEY A 30

#define KEY B 48

#define KEY C 46

#define KEY D 32

#define KEY E 18

#define KEY F 33

#define KEY G 34

#define KEY H 35

#define KEY I 23

#define KEY K 37

#define KEY L 38

#define KEY M 50

#define KEY N 49

#define KEY O 24

#define KEY P 25

#define KEY Q 16

#define KEY R 19

#define KEY S 31

#define KEY T 20

#define KEY U 22

#define KEY V 47

#define KEY W 17

#define KEY X 45

#define KEY Y 21

#define KEY Z 44

#define ALT F2 105

#define ALT F6 109

#define CTRL 4

#define SHIFT 1

#define ESC 1

#define BACKSPACE 14

#define LEN sizeof(struct student)

/*菜单选项。下拉标志*/

int menu x yes=1;

int menu y yes=0;

int menu x=1;

int menu x old=0;

int menu y1=1, menu y3=1;

/*保存文件名*/

char filename[43]="NONAME.dat";

/*开辟保存数据的空间*/
void *buf=0;

int left,top,right,bottom;

/*开辟保存数据的空间*/

struct student

{ long num;

char name[15];

float h maths;

float english;

float c;

float sum;

int s sum;

struct student*next;

};

struct student*head=0,*p1,*p2;

int record n;

char key buf[50];

long student number=0;

char student name[13];

float student score=0;

/*读键扫描码*/

char get key(void)

{ AH=0; int (0X16); return( AH); }

/*显示字符*/

void show char(char z)

{ AL=z; AH=0x0e; int (0x10);}

/*测试是否有键输入*/

int key pressed(void)

{ AH=0x0b; int (0x21); if( AL==0) return(0); else return(1);}

/*退出程序*/

voidquit（void）

{ void free data(void);void restore menu(void); free data();

restore menu(); window(1,1,80,25,0x0f);

cur show(); gotoxy(1,1); exit(1);

}

/*回到dos提示符*/

void os shell(void)

{void mainmenu show(void);

window(1,1,80,25,0x0f);

cur show(); gotoxy(1,1); system("");

mainmenu show();

}

/*主窗口文字*/

void main menu 1(void)

{ int i,j; char*p;

char*mainmenu word[]={"File ","Save ","Options ","About me"};

if(menu x!=menu x old||!menu y yes)

{p=mainmenu word[0];

putstr(4,1,0x70,p,35);

for(i=0;i<35;i++) if(*p++<='Z') putchar(i+4,1,*(p-1),0x74);

p=mianmenu word[0];

if(menu x yes)

for(i=0;j=0;i<35;i++)

{it('A'<=*p&&*(p+1)=='')break;

putchar(i+4,1,*p,0x0f); }

p++; }

}

}

void main menu 2(void)

{ int i; int len; char *p;

char*mainmenu word[6]={"F1-Help","F2-Save","F5-OS shell","F10-Menu","Message"};

void main box(void); main box();

p=mainmenu word[0]; putstr(2,25,0x70,p,42);

for(i=0;i<42;i++) {if(*p=='F'||('0'<=*p&&*p<='9'))putchar(i+2,*p,0x74); p++; }

p=mainmenu word[4]; putstr(36,22,0x17,p,9); len=strlen(filename);

putchar(40-len/2-1,2,'',0x17);

for(p=filename,i=0;*p!=0;p++;i++) putchar(40-len/2+i,2,*p,0x17);

putchar(40-len/2+len,2,'',0x17);

}
/*主窗口线框*/

void main box(void)

{ int i;

for(i=1;i<=80;I++) {putchar(i,2,205,0x17); putchar(i,22,196,0x17);putchar(i,24,196,0x17);}

for(i=1;i<=80;i++) {putchar(1,i,179,0x17); putchar(80,i,179,0x17); }

putchar(1,2,213,0x17); putchar(80,2,184,0x17); putchar(1,22,195,0x17);

putchar(80,22,180,0x17); putchar(1,24,192,0x17); putchar(80,24,217,0x17);

}

/*显示主窗口菜单*/

voidmianmenu show (void)

{ textmode set(); cur hide();

window(1,1,80,25,0x1e);

window(1,1,80,1,0x70);

window(1,25,80,25,0x70);

main menu 10; main menu 20;

}

/*显示下拉菜单*/

void menu show (void)

{ int i;

char*submenu word[][5]={{"New file F4","Open file F3","OS shell F5","Quit Alt-X"},

p"Input F6","Delete F8","Update F9","query F11","Sort F12"}};

switch(menu x)

{case 1:

if(menu x!=menu x old)

{menu x old=menu x; menu window(3,2,18,8); menu box(3,2,18,8,3,0);}

for(i=0;i<2;i++)

{putstr(4,3+i,0x70,submenu word[0][i],14);

putchar(5,3+i,*(submenu word[0][i]+1),0x74); }

for(i=3;i<5;i++) putstr(4,3+i,0x7-,submenu word[0][i-1],14);

putchar(6,6,*(submenu word[0][2]+2),0x74);

putchar(5,7,*(submenu word[0][3]+1),0x74);

window(4,2+menu y1,17,2+menu y1,0x0f);

if(menu y1<=2)

putstr(4,2+menu y1,0x0f,submenu word[0][menu y1-1],14);

else

putstr(4,2+menu y1,0x0f,submenu word[0][menu y1-2],14); break;

case 2:menu x old=menu x; menu window(19,2,44,8);}

for(i=0;i<5;i++)

{putstr(20,3+i,0x70,submenu word[1][i],24);

putchar(21,3+i,*(submenu word[1][i]+1,0x74); }

window(20,2+menu y3,43,2+menu y3,0x0f);

putstr(20,2+menu y3,0x0f,submenu word[1][menu y3-1],24); break;

case 4:menu x old=menu x; }

}

/*清空键盘缓冲*/

void clr buf(void){ key buf[1]=0;}

void free data(void)

{ struct student*pa,*pb;

if(head)

{pb=pa=head;

do{ pb=pa; pa=pb->next; free(pb);}while(pa!=0);head=0; }

}

/*姓名处理*/

int string name(void)

{ int i,j;

if(key buf[1]==0) return(0);

for(i=2,j=0;i<=key buf[1]+1;i++;j++)

student name[j]='\0'; return(1);}

/*输入数据*/

voidinput（int flag）

{ int i; char*s1="NO. Name H maths English C\\C++ ";

char*s2=" | | | | ";

char*title="INPUT"; menu window(15,10,64,14); window(17,12,62,12,0x17);

putstr(37,10,0x70,title,7); putstr(17,11,0x70,s1,46);

if(head==0)

{ head=p1=p2=(struct student*)malloc(LEN);if(!head)memory error();

p1->next=0;

else{

for(p1=head,record n=0;p1!=0;record n++)

{ p2=p1; p1=p2->next; }

p1=(struct student*)malloc(LEN);

if(!p1)memory error();

p2->next=p1; }

while(1)

{record n++; putstr(17,12,0x07,s2,46);

if(flag==1)

{gotoxy(52,13); printf("Record%d",record n); }

do{ window(17,12,26,12,0x07);

if(!getstring(17,12,10))goto out ;

}while(!getstring number());

p1->num=student number;

do{ if(!getstring(28,12,12)) goto out;

}while(!string name());

strcpy(pi->name,student name);

for(i=1;i<=3;i++)

{ do{ window(41+(i-1)*8,12,0x07);

if(!getstring(41+(i-1)*8,12,5)) gotoout;

}while(!string score());

if(i==1)p1->h maths=student score;

if(i==2)pi->english=student score;

if(i==3)p1->c=student score; }

p1->sum=0.0; p1->s num=0;

if(flag==2){record n--;goto out;}

p2=p1;

p1=(struct student*)malloc(LEN);

if(!p1)memory error();

p1->next=0; p2->next=p1; }

out: cur hide(); window(15,10,65,15,0x1e);

if(flag==1) {if(head==p1)head=0; free(p1); p2->next=0; info(1); record n--; }

menu x yes=1; main menu 1();

}
/*查看是否有该成绩*/

struct student* search(int flag)

{ struct student8pa,*pb; if(head==0)return(0); pb=pa=head;

if(flag==1)

{if(head->num==student number) return(head-1);

do{ if(pa->num==student number) return(pb);

pb=pa; pa=pb->next;} while(pa!=0); }

return (0);

}

/*查询，删除，修改对话框*/

struct student*msg box(int which)

{ int flag; int key; char*p="<-A B->"; menu window(22,10,60,14); gotoxy(29,11);

printf("Number OR Name"); window(24,12,58,12,0x07); gotoxy(24,12);

printf(" | "); gotoxy(37,10);

switch(which)

{ case 1:printf("Delete");break;

case 2:printf("Update");break;

case 3:printf("Query");break; }

do{ while(!key pressed())

now time();

key=get key(); if(key==KEY A) {flag=1;break;}

if(key==KEY B) {flag=2;break;} printf("\07");

}while(1);

putstr(37,13,0x64,p,7);

if(flag==1)

{ do{

gotoxy(24,12); printf(" | "):

if(!getstring(24,12,10)) goto out;

}while(!string number());

window(22,10,61,15,0x1e); return(search(1)); }

else

{do{ gotoxy(24,12); printf(" | ");

if(!getstring(41,12,12)) goto out;

}while(!string name());

window(22,10,61,15,0x1e); return(0);}

/*删除记录*/

void delete(void)

{ struct student*pa,*pb; pb=msg box(1); if(pb==0)info(3);

else

{ if(pb==(head-1))

{ pb=head; if(pb->next==0) head=0;

else head=pb->next; }

else

{ if(pb->next->next==0) {pb->next=pa; } }

record n--; info(2); }}

/*删除记录*/

void update(void)

{int i; struct student*p; i=record n; p=msg box(2;

if(p==0)info(3);

else

{ input(2);

if(i==record n)

{if(p==(head-1)){

head->num=p1->num; strcpy(head->name,p1->name);

head->h maths=p1->h maths; head->english=p1->english;

head->c=p1->c; free(p1); p2->next=0; }

else { p->next->num=p1->num; strcpy(p->next->name,p1->name);

p->next->h maths=p1->h maths; p->next->english=p1->english;

p->next->c=p1->c; free(p1); p2->next=0; }

info(4); }

else {record n--;p2->next=0;free(p1);info(5);} }}

/*查询成绩*/

void query（void）

{ struct student*p,*pa,*pb; int key ,flag,i,j;

char*str="NO. Name H matns English C\\C++ Sum S NO.";

char*sm="NO. Name h maths English C\\C++ (who fails)";

menu window(26,10,56,12); gotoxy(28,11); printf("Find Fail");

putchar(33,11,'A',0xe4); putchar(49,11,'B',0xe4);

do{if(!key pressed()) now time();

key=get key();

if(key==KEY A){flag=1;break;}

if(key==KEY B){flag=2;break;}

printf("\07"); }while(1);

window(26,10,57,13,0x1e); if(flag==1)

{ p=msg box(3); if(p==0) info(3);

else{window(6,5,76,21,0x0e); window(5,4,75,20,0x5e); window(6,5,74,19,0x0e);

putstr(13,4,0x5a,str,58); gotoxy(6,6);

if(p!=(head-1)){pa=p->next;p=pa;}

else p=head;

printf("%101d%13s%8.1f%9.1f%9.1f%9.1f%6d\n",\

p->num,p->name,p->h maths,p->english,p->c,p->sum,p->s sum);

}}

if(flag==2)

{ window(6,5,76,21,0x0e);window(5,4,75,20,0x5e); window(6,5,74,19,0x0e);

putchar(13,4,0x5a,sm,59); if(head)

{ pa=head; j=0;

do{ j++; i=0; window(6,5,74,19,0x0e); gotoxy(65,20);

printf("Page%d",j);

do

{ if(pa->c<60||pa->h maths<60||pa->english<60)

{gotoxy(6,6+i); i++;

printf("%101d%13s%8.1f%9.1f%9.1f%9.1f%6d\n",\

p->num,p->name,p->h maths,p->english,p->c,p->sum,p->s sum);}

pb=pa; pa=pb->next; }while(i!=13&&pa!=0);

while(!key pressed()) now time();

get key(); }while(pa!=0);

goto out;}}

while(!key pressed())

now time();get key();

out:window(5,4,76,21,0x1e);}

/*成绩排名*/

void sort(void)

{ int i,j,n,flag; struct student*pa=0,*pb=0;

struct student*p[500],*pmin;

char*str="NO. Name H maths English C\\C++ Sum S NO.";

window(6,5,76,21,0x0e); window(5,4,75,20,0x5e); window(6,5,74,19,0x0e);

putstr(13,4,0x5a,str,58); window(60,20,73,20,0x5b);

if(head!=0)

{ i=0; pb=pa=head;

do

{p[i]=pa; i++; pa->sum=pa->h maths+pa->english+pa->c;

pb=pa; pa=pb->next; }while(pa!=0);

for(n=record n-1,i=0;i<n;i++)

{ flag=0;

for(j=0;j<n-i;j++)

if(p[j]->sum<p[j+1]->sum)

{ pmin=p[j]; p[j]=p[j+1]; p[j+1]=pmin; flag=1; }

if(flag==0)break; }

head=pb=pa=p[0]; head->s sum=1;

if(record n>1)

for(i=1;i<record n;i++) { pa->s sum=i; pb=pa; pa=pb->next=p[i];}

p2=p1=p[record n-1]; p1->s sum=record n;

p1->next=0; pb=pa=head;

j=0;

do{

j++;i=0; window(6,5,74,19,0x0e); gotoxy(65,20); printf("Page%d",j);

do

{gotoxy(6,6+i); i++;

printf("%101d%13s%8.1f%9.1f%9.1f%9.1f%6d\n",\

p->num,p->name,p->h maths,p->english,p->c,p->sum,p->s sum);}

pb=pa; pa=pb->next; }while(i!=13&&pa!=0);

while(!key pressed()) now time();

get key(); }while(pa!=0);

goto out;}

while(!key pressed())

now time();get key();

out:window(5,4,76,21,0x1e);}

/*输入文件名*/

int input filename（int m）

{ char*p; int fp; menu window(19,10,64,12);

window(20,11,63,11,0x07);

gotoxy(35,10); printf("File name");

if(!getstring(20,11,40)) goto no;

if(key buf[1]==0) goto no;

p=key buf+2; key buf[key buf[1]+2]='\0';

if(fp=fopen(p,"rb+"))==0)

{if(m==2) goto no; if(fp=fopen(p,"wb+"))==0 goto no; }

fclose(fp); strcpy(filename,p);

yes: window(19,10,65,13,0x1e);

return(1);

no: window(19,10,65,13,0x1e);

return(0);

}

/*新建文件*/

void new file（void）

{ int fp;

if(input filename(1)==0) info(9;

else

{main menu 2(); free data(); fp=fopen(filename,"wb+"); fclose(fp); info(10); }

}

/*打开文件*/

void open file(void)

{ struct student*pa,*pb; int fp;

if(input filename(2)==0)info(6);

else

{free data(); head=pb=pa=(struct student*)malloc(LEN); fp=fopen(filename,"rb+";

fread(&pa->num,LEN,1,fp);}

info(8); fclose(fp); input(1); }}

/*保存文件*/

void save fiel(void)

{ struct student8pa,*pb; int fp;

if((fp=fopen(filename,"rb+"))==0) fp=fopen(filename,"wb+");

pb=pa=head;

if(fp!=0&&head!=0)

{do{fwrite(&pa->num,LEN,1,fp); pb=pa; pa=pb->next;}while(pa!=0);

fclose(fp); }

info(7);

}

void about me(void)

{ int i; char*title="About Me"; char*str[]={" I'M A BIG.BIG WORLD. "};

menu window(20,5,58,18); putstr(35,5,0x70,title,10);

for(i=0;i<12;i++)putstr(25,6+i,0x75,str[i],29);

while(!key pressed()) now time();

get key(); window(20,5,59,19,0x1e);

}

system("PAUSE");
return EXIT_SUCCESS;
}