使用C语言实现学生成绩管理系统

// 学生管理系统.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include "string.h"
#include "coNIO.h"
#include "windows.h"
#include "stdlib.h"

#define LIST_TITLE "学号 姓名 性别 语文 数学 英语\n"
#define LIST_TITLE_1 "学号 姓名 性别 语文 数学 英语 均分\n"
#define FILE_DATABASE "C:\\student_database.dat"
#define FILE_EXPORT "C:\\student_export.txt"
//颜色
enum
{
 BLACK,
 BLUE,
 GREEN,
 CYAN,
 RED,
 MAGENTA,
 BROWN,
 LIGHTGRAY,
 DARKGRAY,
 LIGHTBLUE,
 LIGHTGREEN,
 LIGHTCYAN,
 LIGHTRED,
 LIGHTMAGENTA,
 YELLOW,
 WHITE
};
//功能索引
enum
{
 Func_Add = 1,//添加学生信息
 Func_Delete,//删除
 Func_Modify,//修改
 Func_Search,//搜索
 Func_Sort,//排序
 Func_Save,//保存
 Func_AutoSave,//自动保存
 Func_Vote,//投票系统
 Func_Export,//导出学生信息
 Func_ExitSystem//退出系统
};
struct Student
{
 int num;//学号
 char name[20];//姓名
 char sex[8];//性别
 float score[3];//三门课程成绩
 float averge;//平均分
 int count;//投票计数
 Student* pNext;

};
Student* G_pStuHead;//链表头
bool G_autoStore = false;//自动保存




void setFontColor(int ForGC)
{
 Word wColor;
 HANDLE hOutput = GetStdHandle(STD_OUTPUT_HANDLE);
 CONSOLE_SCREEN_BUFFER_INFO csbi;
 
 if(GetConsoleScreenBufferInfo(hOutput, &csbi))
 {
  //设置字体颜色
  wColor = (csbi.wAttributes & 0xF0) + (ForgC & 0x0F);
  SetConsoleTextAttribute(hOutput, wColor);
 }
}



void Gotoxy(int x, int y)
{
    // 更新光标位置 
    COORD pos;
 
    HANDLE hOutput = GetStdHandle(STD_OUTPUT_HANDLE);
    pos.X = x;
    pos.Y = y;
    SetConsoleCursorPosition(hOutput, pos);
 // 隐藏光标 
//     CONSOLE_CURSOR_INFO cursor;
//     cursor.bVisible = FALSE;
//     cursor.dwSize = 1; //值介于1 ~ 100 之间 单元格底部为下划线 ~ 完全填充单元格
//     SetConsoleCursorInfo(hOutput, &cursor);
 
}



void printAutoStoreInfo()
{
 setFontColor(LIGHTGREEN);
 gotoxy(13, 10);
 printf("%s\n", G_autoStore ? "是" : "否");
 setFontColor(WHITE);
}



void showSystemTitle()
{
 setFontColor(LIGHTGREEN);
 printf("--------------------------------------------------------\n");
 printf("\t\t欢迎进入学生管理系统\n");
 printf("--------------------------------------------------------\n");
 setFontColor(WHITE);
}



void initScreen()
{
 system("CLS");
 showSystemTitle();
 printf("请输入数字序列号，选择您要执行的操作：\n");
 printf("1、添加学生信息\n");
 printf("2、删除学生信息\n");
 printf("3、修改学生信息\n");
 printf("4、查询学生信息\n");
 printf("5、排序\n");
 printf("6、保存(如打开自动保存，则无需手动执行)\n");
 printf("7、自动保存：");
 printAutoStoreInfo();
 printf("8、投票系统\n");
 printf("9、导出学生信息\n");
 setFontColor(LIGHTRED);
 printf("10、退出学生管理系统\n");
 setFontColor(WHITE);

}



void gotodelete(int x, int y, int length)
{
 int i;
    
 for (i = 0; i < length; i++)
 {
  gotoxy(x + i, y);
  printf(" ");
 }
}



void gotodelete(int x, int y)
{
 gotodelete(x, y, 1);
}



void voteSystem()
{
 bool hasFound;
 char name[20];
 int count, i, j;
 Student* pStu, *pTmp;
 Student** pStuArr;

 //初始化票数清零
 pStu = G_pStuHead->pNext;
 while(pStu != NULL)
 {
  pStu->count = 0;
  pStu = pStu->pNext;
 }

 count = 0;
 pStuArr = (Student**)malloc(4 * 100);//用于存放已经获得票数的同学指针
 gotoxy(0, 6);
 printf("投票结果如下：\n");
 gotoxy(0, 3);
 printf("请在下方输入你想投给的人的姓名(输入-1返回主菜单)：\n");
 
 while (1)
 {
  gotodelete(0, 4, 20);//清空输入行
  gotoxy(0, 4);
  scanf("%s", name);
  
  if(strcmp(name, "-1") == 0)
  {
   break;
  }
  hasFound = false;
  pStu = G_pStuHead->pNext;
  //在系统中查找对应的人名
  while(pStu != NULL)
  {
   if(strcmp(pStu->name, name) == 0)
   {
    hasFound = true;
    break;
   }
   pStu = pStu->pNext;
  }
  if(! hasFound)
  {
   printf("查无此人！！！");
   Sleep(1000);
   gotodelete(0, 5, 20);
   continue;
  }
  //找到之后，这个人所对应的票数+1
  pStu->count++;
  for (i = 0; i < count; i++)
  {
   if(pStuArr[i] == pStu)
   {
    break;
   }
  }
  if(i == count)//说明未找到，则添加进候选人数组
  {
   pStuArr[count++] = pStu;
   if(count % 100 == 0)
   {
    pStuArr = (Student**)realloc(pStuArr, count + 100);
   }
  }
  //冒泡排序，票数
  for (i = 0; i < count - 1; i++)
  {
   for (j = i + 1; j < count; j++)
   {
    if(pStuArr[i]->count < pStuArr[j]->count)
    {
     pTmp = pStuArr[i];
     pStuArr[i] = pStuArr[j];
     pStuArr[j] = pTmp;
    }
   }
  }
  gotoxy(0, 7);//跳转到打印票数的那行
  //打印票数
  for (i = 0; i < count; i++)
  {
   if(i == 0)
   {
    setFontColor(LIGHTGREEN);
   }
   else
   {
    setFontColor(WHITE);
   }
   printf("%d %s\t%d\n", pStuArr[i]->num, pStuArr[i]->name, pStuArr[i]->count);
  }

 }
 free(pStuArr);
 
}



bool exportStudentInfo()
{
 Student* pStu;
 FILE* fp;

 pStu = G_pStuHead->pNext;

 if((fp = fopen(FILE_EXPORT, "w")) == NULL)
 {
  return false;
 }
 while (pStu != NULL)
 {
  fprintf(fp, "%d %s  %s %.2f %.2f %.2f %.2f\n", pStu->num, pStu->name, pStu->sex, 
       pStu->score[0], pStu->score[1], pStu->score[2], pStu->averge);
  pStu = pStu->pNext;
 }
 fclose(fp);
 return true;
}



bool saveStudentInfo()
{
 FILE *fp;
 Student *pStu;

 pStu = G_pStuHead;

 if((fp = fopen(FILE_DATABASE, "wb")) == NULL)
 {
  return false;
 }
 fwrite(&G_autoStore, sizeof(G_autoStore), 1, fp);
 while (pStu != NULL)
 {
  fwrite(pStu, sizeof(Student), 1, fp);
  pStu = pStu->pNext;
 }
 fclose(fp);
 return true;
}



bool loadStudentInfo()
{
 FILE *fp;
 int count;
 Student stu, *pStu, *pStuNew;

 count = 0;
 pStu = G_pStuHead;

 if((fp = fopen(FILE_DATABASE, "rb")) == NULL)
 {
  return false;
 }
 fread(&G_autoStore, sizeof(G_autoStore), 1, fp);//读取是否自动保存
 while(1)
 {
  fread(&stu, sizeof(Student), 1, fp);//读取文档中每个同学的数据
  if(feof(fp))//到文档尾则跳出
  {
   break;
  }
  if(count++ > 0)//这里 > 0 是因为保存的时候会把链表头保存进去，而链表头是没有有效数据的，所以要排除掉
  {
   pStuNew = (Student*)malloc(sizeof(Student));
   MoveMemory(pStuNew, &stu, sizeof(Student) - 4);//将结构体除指针外的所有数据拷贝进内存
   pStuNew->pNext = NULL;
   pStu->pNext = pStuNew;
   pStu = pStuNew;
  }
  if(stu.pNext == NULL)
  {
   break;
  }
 }
 fclose(fp);
 return true;
}



bool sortStudentInfo()
{
 int order1, order2;
 bool swapData;
 char yesOrNo;
 Student* pStu1, *pStu2, tmpStu;

 pStu1 = G_pStuHead->pNext;
 if(pStu1 == NULL)
 {
  printf("系统中无学生信息！\n");
  system("pause");
  return false;
 }
 printf("输入以下序号执行相应功能(输入其他序号返回主菜单)：\n");
 printf("1、根据学号进行排序\n");
 printf("2、根据姓名排序\n");
 printf("3、根据语文成绩排序\n");
 printf("4、根据数学成绩排序\n");
 printf("5、根据英语成绩排序\n");
 printf("6、根据平均分成绩排序\n");

 scanf("%d", &order1);
 if(order1 >= 1 && order1 <= 6)
 {
  printf("请选择正序OR倒序排列？(输入其他序号返回主菜单)\n");
  printf("1、正序排列\n");
  printf("2、倒序排列\n");
  scanf("%d", &order2);
  if(order2 >= 1 && order2 <= 2)
  {
   //冒泡排序
   for ( ; pStu1->pNext != NULL; pStu1 = pStu1->pNext)
   {
    for (pStu2 = pStu1->pNext; pStu2 != NULL; pStu2 = pStu2->pNext)
    {
     swapData = false;//是否交换数据
     switch(order1)
     {
     case 1://根据学号排序
      {
       if(order2 == 1 ? (pStu1->num > pStu2->num) : (pStu1->num < pStu2->num))//三目运算符， 判断正序还是倒序
       {
        swapData = true;
       }
       break;
      }
     case 2://根据姓名排序
      {
       if(order2 == 1 ? (strcmp(pStu1->name, pStu2->name) > 0) : (strcmp(pStu1->name, pStu2->name) < 0))
       {
        swapData = true;
       }
       break;
      }
     case 3://根据语文排序
     case 4://根据数学排序
     case 5://根据英语排序
      {
       if(order2 == 1 ? (pStu1->score[order1 - 3] > pStu2->score[order1 - 3]) : (pStu1->score[order1 - 3] < pStu2->score[order1 - 3]))
       {
        swapData = true;
       }
       break;
      }
     case 6://根据均分排序
      {
       if(order2 == 1 ? (pStu1->averge > pStu2->averge) : (pStu1->averge < pStu2->averge))
       {
        swapData = true;
       }
       break;
      }
     }

     if(swapData)
     {
      //交换内存数据，只需要将除pNext指针外的结构体数据拷贝交换即可
      MoveMemory(&tmpStu, pStu1, sizeof(Student) - 4);
      MoveMemory(pStu1, pStu2, sizeof(Student) - 4);
      MoveMemory(pStu2, &tmpStu, sizeof(Student) - 4);
     }
    }
   }
   printf("排序完成，是否显示？Y/N\n");
   getchar();//过滤掉输入时的换行符
   scanf("%c", &yesOrNo);
   if(yesOrNo == 'Y' || yesOrNo == 'y')
   {
    pStu1 = G_pStuHead->pNext;
    setFontColor(LIGHTGREEN);
    printf(LIST_TITLE_1);//显示列表标题头
    setFontColor(WHITE);
    //打印排序后的各个学生信息
    while(pStu1 != NULL)
    {
     printf("%d %s  %s %.2f %.2f %.2f %.2f\n", pStu1->num, pStu1->name, pStu1->sex, 
       pStu1->score[0], pStu1->score[1], pStu1->score[2], pStu1->averge);
     pStu1 = pStu1->pNext;
    }
    system("pause");
   }
   return true;

  }
 }
 return false;
}



void searchStudentInfo()
{
 bool hasFound;
 int order, stuID, count, i, min, max;
 float score;
 char name[20];
 Student* pStu;
 Student** pStuArr;

 pStuArr = NULL;
 
 while (1)
 {
  system("CLS");
  showSystemTitle();

  if(pStuArr != NULL)//如果再次查询，这里需要判断，将上一轮查询的学生信息指针数组清空
  {
   free(pStuArr);
  }
  count = 0;
  stuID = 0;
  hasFound = false;
  pStu = G_pStuHead->pNext;
  pStuArr = (Student**)malloc(4 * 100);//初始化查询到后存放的学生信息指针数组

  printf("输入以下序号执行相应功能(输入其他序号返回主菜单)：\n");
  printf("1、输入学号查询信息\n");
  printf("2、输入姓名查询信息\n");
  printf("3、输入语文成绩范围查询信息\n");
  printf("4、输入数学成绩范围查询信息\n");
  printf("5、输入英语成绩范围查询信息\n");
  printf("6、输入平均分范围查询信息\n");
  printf("7、列出所有学生信息\n");

  scanf("%d", &order);
  switch(order)
  {
  case 1://根据学号查询
   {
    printf("请输入要查询的学生学号：");
    scanf("%d", &stuID);
    while (pStu != NULL)
    {
     if(pStu->num == stuID)
     {
      hasFound = true;
      break;
     }
     pStu = pStu->pNext;
    }
    if(hasFound)//
    {
     setFontColor(LIGHTGREEN);
     printf(LIST_TITLE_1);
     setFontColor(WHITE);
     printf("%d %s  %s %.2f %.2f %.2f %.2f\n", pStu->num, pStu->name, pStu->sex, 
       pStu->score[0], pStu->score[1], pStu->score[2], pStu->averge);
    }
    
    break;
   }
  case 2://根据姓名查询
   {
    printf("请输入要查询的学生姓名：");
    scanf("%s", name);
    while (pStu != NULL)
    {
     if(strcmp(pStu->name, name) == 0)
     {
      hasFound = true;
      pStuArr[count++] = pStu;
      if(count % 100 == 0)
      {
       pStuArr = (Student**)realloc(pStuArr, count + 100);
      }
     }
     pStu = pStu->pNext;
    }
    if(hasFound)
    {
     setFontColor(LIGHTGREEN);
     printf(LIST_TITLE_1);
     setFontColor(WHITE);
     for (i = 0; i < count; i++)
     {
      printf("%d %s  %s %.2f %.2f %.2f %.2f\n", pStuArr[i]->num, pStuArr[i]->name, pStuArr[i]->sex, 
        pStuArr[i]->score[0], pStuArr[i]->score[1], pStuArr[i]->score[2], pStuArr[i]->averge);
     }

    }
    break;
   }
  case 3://根据语文成绩范围查询
  case 4://根据数学成绩范围查询
  case 5://根据英语成绩范围查询
  case 6://根据平均分范围查询
   {
    char *subjectStrArr[4] = {"语文", "数学", "英语", "平均"};
    printf("请输入要查询的%s成绩范围：", subjectStrArr[order - 3]);
    scanf("%d %d", &min, &max);
    while (pStu != NULL)
    {
     if(order < 6)// 3 ~ 5
     {
      score = pStu->score[order - 3];
     }
     else  //order = 6
     {
      score = pStu->averge;
     }
     if(score >= min && score <= max)
     {
      //找到符合条件的学生信息，则加入到指针数组中去
      hasFound = true;
      pStuArr[count++] = pStu;
      if(count % 100 == 0)
      {
       pStuArr = (Student**)realloc(pStuArr, count + 100);
      }
     }
     pStu = pStu->pNext;
    }
    if(hasFound)
    {
     setFontColor(LIGHTGREEN);
     printf(LIST_TITLE_1);
     setFontColor(WHITE);
     //打印指针数组中的学生信息
     for (i = 0; i < count; i++)
     {
      printf("%d %s  %s %.2f %.2f %.2f %.2f\n", pStuArr[i]->num, pStuArr[i]->name, pStuArr[i]->sex, 
       pStuArr[i]->score[0], pStuArr[i]->score[1], pStuArr[i]->score[2], pStuArr[i]->averge);
     }
     
    }
    break;
   }
  case 7://列出所有学生信息
   {
    hasFound = true;
    setFontColor(LIGHTGREEN);
    printf(LIST_TITLE_1);
    setFontColor(WHITE);
    while(pStu != NULL)
    {
     printf("%d %s  %s %.2f %.2f %.2f %.2f\n", pStu->num, pStu->name, pStu->sex, 
       pStu->score[0], pStu->score[1], pStu->score[2], pStu->averge);
     pStu = pStu->pNext;
    }
    break;
   }
  default:
   {
    goto lab_search;
   }
  }
  if(! hasFound)
  {
   printf("未能找到相应的学生信息！\n");
  }
  system("pause");
 }
lab_search:
 free(pStuArr);
}



bool deleteStudentInfo()
{
 char yesOrNo;
 int stuID;
 bool hasFound;
 Student* pStu, *pStu1;

 hasFound = false;
 pStu = G_pStuHead->pNext;
 pStu1 = G_pStuHead;

 printf("请输入欲删除的学生学号：");
 scanf("%d", &stuID);
 while (pStu != NULL)
 {
  if(pStu->num == stuID)
  {
   hasFound = true;
   break;
  }
  pStu1 = pStu;
  pStu = pStu->pNext;
 }
 if(hasFound)
 {
  printf("找到此学生的信息如下：\n");
  setFontColor(LIGHTGREEN);
  printf(LIST_TITLE_1);
  setFontColor(WHITE);
  printf("%d %s  %s %.2f %.2f %.2f %.2f\n", pStu->num, pStu->name, pStu->sex, 
    pStu->score[0], pStu->score[1], pStu->score[2], pStu->averge);
  printf("是否删除？Y/N");
  getchar();//过滤掉输入时的换行符
  scanf("%c", &yesOrNo);
  if(yesOrNo == 'y' || yesOrNo == 'Y')
  {
   pStu1->pNext = pStu->pNext;
   free(pStu);
   printf("已删除\n");
  }
  else
  {
   hasFound = false;
  }
 }
 else
 {
  printf("未找到对应学生的信息\n");
 }
 system("pause");
 return hasFound;
}



bool modifyStudentInfo()
{
 int order, count, i;
 int stuID;
 char name[20];
 char yesOrNo;
 bool hasModify;
 Student* pStu;
 Student** pStuArr;

 hasModify = false;
 count = 0;
 pStu = G_pStuHead->pNext;
 pStuArr = (Student**)malloc(4 * 100);//用于存放查找到的学生信息指针，这里定义指针数组是防止查询姓名出现重名

 printf("请输入以下序号，选择对应功能(1或2，否则返回上级菜单)\n");
 printf("1、输入学号查找学生\n");
 printf("2、输入姓名查找学生\n");
 scanf("%d", &order);

 if(order == 1)
 {
  printf("请输入要修改的学生学号：\n");
  scanf("%d", &stuID);
  while(pStu != NULL)
  {
   if(pStu->num == stuID)
   {
    pStuArr[count++] = pStu;
    break;
   }
   pStu = pStu->pNext;
  }
 }
 else if(order == 2)
 {
  printf("请输入要修改的学生姓名：\n");
  scanf("%s", name);
  while(pStu != NULL)
  {
   if(strcmp(pStu->name, name) == 0)
   {
    pStuArr[count++] = pStu;
    if(count % 100 == 0)//如果数组存放满了，则再次申请内存
    {
     pStuArr = (Student**)realloc(pStuArr, count + 100);
    }
   }
   pStu = pStu->pNext;
  }
 }
 else
 {
  return false;
 }
 if(count == 0)
 {
  printf("未能找到任何信息，是否继续修改？Y/N");
  getchar();//过滤掉输入时的换行符
  scanf("%c", &yesOrNo);
  if(yesOrNo == 'y' || yesOrNo == 'Y')
  {
   system("CLS");
   showSystemTitle();
   return modifyStudentInfo();
  }
 }
 else
 {
  printf("为您查找到%d个学生信息：\n   ", count);
  setFontColor(LIGHTGREEN);
  printf(LIST_TITLE);
  setFontColor(WHITE);
  for (i = 0; i < count; i++)
  {
   printf("%d、%d %s  %s %.2f %.2f %.2f\n", i + 1, pStuArr[i]->num, pStuArr[i]->name, pStuArr[i]->sex, 
    pStuArr[i]->score[0], pStuArr[i]->score[1], pStuArr[i]->score[2]);
  }

  printf("请输入您要修改的信息序号(1~%d)，其他数字返回主菜单\n", count);
  scanf("%d", &order);
  if(order >= 1 && order <= count)
  {
   printf("请依次输入\n");
   setFontColor(LIGHTGREEN);
   printf(LIST_TITLE);
   setFontColor(WHITE);
   pStu = pStuArr[order - 1];
   scanf("%d %s %s %f %f %f", &pStu->num, pStu->name, pStu->sex, &pStu->score[0], &pStu->score[1], &pStu->score[2]);
   pStu->averge = (pStu->score[0] + pStu->score[1] + pStu->score[2]) / 3;
   hasModify = true;
  }
 }
 free(pStuArr);
 return hasModify;
}



bool checkStuIDExist(int stuID)
{
 Student* pStu;

 pStu = G_pStuHead->pNext;

 while(pStu != NULL)
 {
  if(pStu->num == stuID)
  {
   return true;
  }
  pStu = pStu->pNext;
 }
 return false;
}



bool addStudentInfo()
{
 printf("输入-1回车，返回上级菜单\n");
 setFontColor(LIGHTGREEN);
 printf(LIST_TITLE);
 setFontColor(WHITE);

 char c;
 bool hasAdd = false;
 Student* pStu = G_pStuHead;
 Student* pStuNew;

 while (pStu->pNext != NULL)
 {
  pStu = pStu->pNext;
 }

 while(1)
 {
  pStuNew = (Student*)malloc(sizeof(Student));
  scanf("%d", &pStuNew->num);
  if(pStuNew->num == -1)//输入-1返回主菜单
  {
   while ((c = getchar()) != EOF && c != '\n');//不停地使用getchar()获取缓冲中字符，直到获取的c是“\n”或文件结尾符EOF为止
   free(pStuNew);
   return hasAdd;
  }
  else if(checkStuIDExist(pStuNew->num))
  {
   while ((c = getchar()) != EOF && c != '\n');//不停地使用getchar()获取缓冲中字符，直到获取的c是“\n”或文件结尾符EOF为止
   printf("该学号已存在，请重新输入！\n");
   free(pStuNew);
   continue;
  }
  hasAdd = true;
  scanf("%s %s %f %f %f", pStuNew->name, pStuNew->sex, &pStuNew->score[0], 
   &pStuNew->score[1], &pStuNew->score[2]);
  pStuNew->averge = (pStuNew->score[0] + pStuNew->score[1] + pStuNew->score[2]) / 3;
  pStuNew->pNext = NULL;
  pStu->pNext = pStuNew;
  pStu = pStuNew;
 }

 return hasAdd;
}



bool orderToExecute(int order)
{
 bool succ;

 succ = false;
 if(order != Func_Save && order != Func_AutoSave && order!= Func_Export)
 {
  system("CLS");
  showSystemTitle();
 }

 switch (order)
 {
 case Func_Add://添加
  {
   succ = addStudentInfo();
   break;
  }
 case Func_Delete://删除
  {
   succ = deleteStudentInfo();
   break;
  }
 case Func_Modify://修改
  {
   succ = modifyStudentInfo();
   break;
  }
 case Func_Search://搜索
  {
   searchStudentInfo();
   break;
  }
 case Func_Sort://排序
  {
   succ = sortStudentInfo();
   break;
  }
 case Func_Save://保存
  {
   succ = saveStudentInfo();
   if(succ)
   {
    gotoxy(42, Func_Save + 3);
    setFontColor(LIGHTGREEN);
    printf("保存成功！");
    setFontColor(WHITE);
    gotodelete(0, Func_ExitSystem + 4, 2);
    gotoxy(0, Func_ExitSystem + 4);
   }
   return false;
  }
 case Func_AutoSave://设置自动保存
  {
   G_autoStore = ! G_autoStore;
   printAutoStoreInfo();
   orderToExecute(Func_Save);//保存配置
   break;
  }
 case Func_Vote://投票系统
  {
   voteSystem();
   break;
  }
 case Func_Export://导出所有学生信息(明文)
  {
   succ = exportStudentInfo();
   gotoxy(17, Func_Export + 3);
   setFontColor(LIGHTGREEN);
   if(succ)
   {
    printf("导出成功！");
   }
   else
   {
    printf("导出失败！");
   }
   setFontColor(WHITE);
   gotodelete(0, Func_ExitSystem + 4, 2);
   gotoxy(0, Func_ExitSystem + 4);
   return false;
  }
 default:
  {
   
   break;
  }
 }
 return succ;
}

int main(int argc, char* argv[])
{
 int order;
 bool succ;

 system("title 学生管理系统 by 机智蛋");
 order = 0;
 succ = false;
 G_pStuHead = (Student*)malloc(sizeof(Student));
 G_pStuHead->pNext = NULL;

 loadStudentInfo();

 while(1)
 {
  if(order != Func_Save && order != Func_AutoSave && order != Func_Export)//当输入这几个指令时不需要初始化屏幕
  {
   initScreen();
  }
  if(succ && order != Func_Save && G_autoStore)//执行自动保存
  {
   orderToExecute(Func_Save);
  }
  succ = false;

  do 
  {
   scanf("%d", &order);
   if(order >= Func_Add && order <= Func_ExitSystem)
   {
    break;
   }
   else
   {
    printf("指令错误，请重新输入\n");
   }
  } while (1);
  
  if(order == Func_ExitSystem)//退出
  {
   printf("欢迎下次继续使用，拜拜~~\n");
   return 0;
  }

  succ = orderToExecute(order);//执行功能

  
 }
 
 return 0;
}