📄 wenjianbaocun.c
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//=============================头文件=========================
#include<stdio.h>
#include<string.h>
#include<ctype.h>
#include<conio.h>
#include<stdlib.h>
#include<windows.h>
#include<io.h>
//=========================定义结构体=====================
struct StudentData
{
char sno[4];
char name[21];
int age;
int score[5];
int total;
float avg;
};
struct StudentNode
{
struct StudentData info;
struct StudentNode *pre;
struct StudentNode *next;
}snonode;
struct StudentNode *head=NULL;
struct StudentNode *last=NULL;
//=========================定义全局变量和常量====================
int count=0;
#define SAVED 1
#define NOT_SAVED 0
#define MAX_COUNT 100 // 最大记录数
#define CHPAGE 10 //控制一页显示的记录数
int saved=SAVED;
int USE;//控制学号的状态
//=========================主功能函数=====================
void MainMenu();
void ExitSystem();
void AppendRecord();
void SortData();
void PrintReport();
void SaveData();
void LoadData();
void SearchInfo();
void StatData();
//=====================辅助功能函数==============================
void UpdataTitle(char title[100]);
void ShowMessage(char msg[100]);
int GetString(char buffer[],int Maxlen);
int GetYN(char key);
void Trim(char str[20]);
void LTrim(char str[20]);
void RTrim(char str[20]);
void GoToXY(int x, int y);
void ProductSpace (int len);
void FillSpace (int x,int y,int len,int col);
void ClearMessage();
//====================子功能函数============================
//----------------------录入子功能--------------------------
void AddNewNode(struct StudentData newData);
void InputName(char *name);
void InputAge(char *Age);
int InputScore(int c);
void GetNO(char *sno,int num);
//----------------------打印子功能----------------------------
int AccountTotal(struct StudentNode *);
float AccountAvg(int total);
void PrintLine();
void PrintSortMenu();
//-----------------排序子功能--------------------
void PrintOneStu(struct StudentNode*q);
void SnoAsce();
void SnoDesc();
void TotalScoreAsce();
void TotalScoreDesc();
//-----------------------查找子功能----------------------------
void PrintSearchMenu();
void SearchInfo();
struct StudentNode*SearchByNo();
void DoNO(struct StudentNode *q);
int SearchByName(struct StudentNode *temp[]);
void DoName(struct StudentNode*[],int *);
void DeleteData(struct StudentNode*p);
void SearchOneStudent(struct StudentNode*p);
//--------------------------统计子功能---------------------
void StatTotal(struct StudentNode*pStat);
void StatChinese(struct StudentNode*pStat);
void StatEnglish(struct StudentNode*pStat);
void StatMath(struct StudentNode*pStat);
void StatPhogric(struct StudentNode*pStat);
void StatChemical(struct StudentNode*pStat);
int StatTotalTop3Count();
void SortAvgDesc(int i);
int StatScoreiTop3Count(int k);
//void StatCourseAvg( float avg[]);
void StatCourseAvg();
//-------------------------保存子功能------------------
int JudgeFilename(char fn[]);
int WriteDataToFile(FILE *fp);
//----------------------------验证合法性---------------------
int JudgeSno(char no[]);
int JuadgeName(char name[]);
int GetYN(char key);
//********************主函数***********************
void main()
{
do{
MainMenu();
}while(1);
}
//*****************Begin界面菜单输出及调用函数*****************
void MainMenu()
{
char key;
int i,width;
char menulist[9][80]=
{
"1. Add student's info",
"2. Sort data",
"3. Print student's report",
"4. Save data to file",
"5. Load data from file",
"6. Search students",
"7. Stat Score",
"0. Exit",
"Please Make a choices[0-7]:"
};
width=(80-strlen(menulist[2]))/2;
system("cls");
UpdataTitle("Main Menu List");
putchar('\n');
putchar('\n');
for(i=0;i<9;i++)
{
printf("\n%*s%s",width," ",menulist[i]);
}
do{
key=getche();
if(key>='0'&& key<='7')
{
break;
}
else
{
GoToXY(0,18);
ShowMessage("Menu item error,allow[0-7]\n");
ShowMessage("please press any key to continue");
getch();
FillSpace(0,18,60,2);
FillSpace(0,0,60,15);
GoToXY(0,0);
UpdataTitle("Main Menu List");
putchar('\n');
putchar('\n');
putchar('\n');
for(i=0;i<9;i++)
{
printf("%*s%s\n",width," ",menulist[i]);
}
}
}while(1);
switch(key)
{
case '0':ExitSystem();break;
case '1':AppendRecord();break;
case '2':SortData();break;
case '3':PrintReport();break;
case '4':SaveData();break;
case '5':LoadData();break;
case '6':SearchInfo();break;
case '7':StatData();break;
}
}
//*****************End界面菜单输出及调用函数*****************
//****************Begin退出函数********************
void ExitSystem()
{
char key;
system("cls");
UpdataTitle("Exit System");
putchar('\n');
if(saved==NOT_SAVED)
{
GoToXY(10,10);
ShowMessage("Are you sure Exit (Y/N):");
do{
key=getche();
if(GetYN(key)==1)
{
if(key=='y'||key=='Y')
{
exit(0);
}
else
return;
}
else
{
GoToXY(0,20);
ShowMessage("only allow input Y/N(y/n)\n");
ShowMessage("press any key to continue");
getch();
ClearMessage();
FillSpace(34,10,20,1);
GoToXY(34,10);
}
}while(1);
}
else
{
do{
GoToXY(0,10);
ShowMessage("Are you sure Save the Data and Exit (Y/N/C):");
key=getche();
if(key=='y'||key=='Y'||key=='N'||key=='n'||key=='c'||key=='C')
{
break;
}
else
{
GoToXY(0,20);
ShowMessage("only allow input Y/N(y/n/c)\n");
ShowMessage("press any key to continue");
getch();
ClearMessage();
FillSpace(32,10,20,1);
GoToXY(32,10);
}
}while(1);
if(key=='Y'||key=='y')
{
SaveData();
exit(0);
}
else if(key=='N'||key=='n')
{
exit(0);
}
else return;
}
}
//****************End退出函数****************************
//*****************Begin学生信息录入函数****************
/*
function:学生信息的录入（8项数据）
param:
return:
*/
void AppendRecord()
{
struct StudentData newData;
char no[4],name[21];
char Age[3];
int total=0;
float avg;
int i;
char key;
int score[5];
do{
system("cls");
UpdataTitle("Append Record");//更新标题头
if(count>=MAX_COUNT)//记录满，显示提示
{
GoToXY(0,20);
ShowMessage("The record is full:\n");
ShowMessage("press any key to continue");
getch();
ClearMessage();
break;
}
GoToXY(10,7);
ShowMessage("Sno(*Auto):");
GetNO(no,count); //自动获取学号
printf("%s",no);
GoToXY(16,9);
ShowMessage("Name:");
InputName(name);//输入姓名
GoToXY(17,11);
ShowMessage("Age:");
InputAge(Age);//输入年龄
//五门成绩的输入
GoToXY(46,5);
ShowMessage("Chinese:");
score[0]=InputScore(5); //中文的输入
GoToXY(46,7);
ShowMessage("English:");
score[1]=InputScore(7);//英文的输入
GoToXY(49,9);
ShowMessage("Math:");
score[2]=InputScore(9);//数学的输入
GoToXY(46,11);
ShowMessage("Physics:");
score[3]=InputScore(11);//物理的输入
GoToXY(45,13);
ShowMessage("Chemical:");
score[4]=InputScore(13);//化学的输入
//=================存入结构体中=====================
strcpy(newData.sno,no);
strcpy(newData.name,name);
newData.age=atoi(Age);
for(i=0;i<5;i++)
{
newData.score[i]=score[i];
}
//计算总分并存入
for(i=0;i<5;i++)
{
total+=newData.score[i];
}
newData.total=total;
avg=(float)total/5.0f;
newData.avg=avg;
AddNewNode(newData); //输入完数据将节点加入到链表
count++;
saved=NOT_SAVED;
do{
GoToXY(0,16);//提示是否继续输入（Y继续，N返回主菜单）
ShowMessage("Are you continue to add new student(Y/N):");
key=getche();
if(key=='y'||key=='Y'||key=='N'||key=='n')//字符合法
{
break;
}
else//输入字符不合法
{
GoToXY(0,18);
ShowMessage("only allow input Y/N(y/n)\n");
ShowMessage("Press any key to continue");
getch();
FillSpace(0,18,50,2);
GoToXY(41,16);
ProductSpace(2);
GoToXY(41,16);
}
}while(1);
if(key=='y'||key=='Y') //继续录入
continue;
else
return;
}while(1);
}
//*****************End学生信息录入函数****************
/*
function:排序（0返回主菜单，1学号升序，2学号降序，3总分升序，4总分降序）
param:
return:
*/
void SortData()
{
char key;
system("cls");
UpdataTitle("Sort Data");
putchar('\n');
putchar('\n');
if(count<=0) //没有记录
{
GoToXY(0,20);
ShowMessage("Have not student record\n");
ShowMessage("Press any key to continue");
getch();
}
else
{
int menu;
PrintSortMenu(); //打印排序菜单
//--------------------------验证合法性------------------------------
do{
GoToXY(0,15);
menu=getche();
if(menu<'0'||menu>'4')
{
GoToXY(0,20);
ShowMessage("SortMenu only allow [0-4]\n");
ShowMessage("Press any key to continue");
getch();
ClearMessage();
GoToXY(0,15);
ProductSpace(1);
GoToXY(0,15);
}
else
{
break;
}
}while(1);
switch(menu)
{
case '1': SnoAsce();break; //学号升序
case '2': SnoDesc();break; //学号降序
case '3': TotalScoreAsce();break;//总分升序
case '4': TotalScoreDesc();break;//总分降序
case '0': return;
}
GoToXY(0,16); //排序完是否要打印记录
ShowMessage("Sort data Success!\n");
ShowMessage("Do you want to Print?(Y/N):");
while(1)
{
key=getche();
if(GetYN(key)==1)
{
if(key=='Y'||key=='y')
{
PrintReport();break;
}
else
{
return;
}
}
else
{
GoToXY(0,20);
ShowMessage("Error: only allow Y/N/y/n\n");
ShowMessage("press any key to continue");
getch();
ClearMessage();
GoToXY(strlen("Do you want to Print?(Y/N):"),17);
ProductSpace(1);
GoToXY(strlen("Do you want to Print?(Y/N):"),17);
continue;
}
}
}
}
/*
function:打印所有的学生记录
param:
return:
*/
void PrintReport()
{
int i=0;
//float avg[5];
struct StudentNode *temp;
temp=head;
system("cls");
UpdataTitle("Print Report");
if(temp==NULL)
{
GoToXY(0,20);
ShowMessage("Have not student record\n");
ShowMessage("Press any key to continue");
getch();
}
else
{
GoToXY(0,4);
PrintLine();
while(1)
{
if(i<count)
{
if(i%CHPAGE==0 && i!=0)
{
GoToXY(0,20);
printf("This page is full %d record\n",CHPAGE);
ShowMessage("Press any key to next Page");
getch();
system("cls");
UpdataTitle("Print Report");
GoToXY(0,4);
PrintLine();
}
PrintOneStu(temp);
i++;
temp=temp->next;
}
else
{
GoToXY(0,20);
ShowMessage("Print Success\n");
ShowMessage("Press any key to continue");
getch();
return;
}
}
}
}
//====================================================================
/*
function:数据的保存
param:
return:
*/
void SaveData()
{
FILE *fp;
char key;
int len;
char filename[200];
system("cls");
UpdataTitle("Save Data To File");
if(head==NULL)
{
GoToXY(0,20);
ShowMessage("Have not any record\n");
ShowMessage("press any key to continue");
getch();
return;
}
GoToXY(10,6);
ShowMessage("Please input filename not contain < > ? | \\ : \" * ");
GoToXY(10,8);
ShowMessage("Filename:");
do
{
do//验证名字的合法性
{
len=GetString(filename,30);
if(JudgeFilename(filename)==1)
{
break;
}
GoToXY(0,20);
ShowMessage("Error:filename not contain < > ? | \\ : \" * ");
ShowMessage("press any key to continu");
getch();
ClearMessage();
GoToXY(19,8);
ProductSpace(len);
GoToXY(19,8);
}while(1);
Trim(filename);
GoToXY(19,8);
ProductSpace(len);
GoToXY(19,8);
printf("%s",filename);
if(access(filename,0)==0) //重名，提示是否覆盖
{
GoToXY(0,18);
ShowMessage("Have been existed the filename ,do you want to cover it?(Y/N)");
do//验证输入字符的合法性
{
key=getche();
if(GetYN(key)==1)
{
break;
}
GoToXY(0,20);
ShowMessage("Error:key only allow (Y/N/y/n)");
ShowMessage("press any key to continu");
getch();
ClearMessage();
GoToXY(strlen("Have been existed the filename ,do you want to cover it?(Y/N)"),18);
ProductSpace(2);
GoToXY(strlen("Have been existed the filename ,do you want to cover it?(Y/N)"),18);
//FillSpace(0,18,70,1);
}while(1);
if(key=='Y'||key=='y') //要覆盖，进行文件创建
{
break;
}
else continue; //不覆盖，重新输入新的文件名
}
break;//不重名，进行文件创建
}while(1);
//-----------文件创建保存---------------
fp=fopen(filename,"w+b");
if(fp!=NULL)
{
if(WriteDataToFile(fp)==1) //写入数据成功
{
saved=SAVED;
GoToXY(0,20);
ShowMessage("Save the data Success!!!");
ShowMessage("Press any key to continue");
getch();
ClearMessage();
return;
}
GoToXY(0,20); //数据写入文件不成功
ShowMessage("Error:Save the data faile\n");
ShowMessage("Press any key to continue");
getch();
ClearMessage();
return;
}
else
{
GoToXY(0,20);
ShowMessage("Error: open the file fail\n");
ShowMessage("press any key to continue");
getch();
ClearMessage();
return;
}
}
//====================================================================
int WriteDataToFile(FILE *fp)
{
struct StudentNode *temp=head;
while(temp!=NULL)
{
fwrite(&(temp->info),sizeof(struct StudentData),1,fp);
if(ferror(fp))
{
ShowMessage("Error:Write the data fail\n");
return 0;
}
temp=temp->next;
}
if(fclose(fp))
{
return 0;
}
return 1;
}
//==========================================================================
/*
function:判断文件名是否合法
param: filename[] 文件名数组
return: 1合法，0非法
*/
int JudgeFilename(char fn[])
{
int i=0;
int len;
len=strlen(fn);
while(1)
{
if(fn[i]=='?'||fn[i]=='<'||fn[i]=='>'||fn[i]=='/'||fn[i]==':'||fn[i]=='*'||
fn[i]=='\\'||fn[i]=='|'||fn[i]=='"')
{
return 0;
}
i++;
if(i==len)
{
return 1;
}
}
}
//===================================================================================
/*
function:读取文件中的数据
param:
return:
*/
void LoadData()
{
}
/*
function:查找学生（1学号，2姓名，0返回主菜单）
param:
return:
*/
void SearchInfo()
{
struct StudentNode *q;
struct StudentNode *addr[100];
int len=0;
int *plen;
plen=&len;
system("cls");
UpdataTitle("Search Student Info");
if(count<=0)
{
GoToXY(0,20);
ShowMessage("Have not student record\n");
ShowMessage("Press any key to continue");
getch();
return;
}
else
{
char menu;
GoToXY(0,5);
PrintSearchMenu();
//------------------ 验证menu是否合法----------------------------------
do{
GoToXY(53,9);
menu=getche();
if(!(menu>='0'&& menu<='2'))
{
GoToXY(0,20);
ShowMessage("Search key allow [0-2]\n");
ShowMessage("press any key to continue");
getch();
ClearMessage();
GoToXY(0,5);
ProductSpace(2);
GoToXY(0,5);
}
else
{
break;
}
}while(1);
switch(menu)
{
case '1':q=SearchByNo();DoNO(q);break;
case '2':len=SearchByName(addr); DoName(addr,plen);break;
case '0':return;break;
}
}
}
//===========================统计前三甲===========================
/*
function:统计前三甲的学生（可能多于三个）
param:
return:
*/
void StatData()
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