gzgl.c

教务管理系统

#include <stdio.h>
#include <conio.h>
#include <string.h>
#include <stdlib.h>
#include "gzgl.h"
void main()
{
   FILE *fp;
   struct worker *head,*p;
   int count=0;
   int i,key1;
   char *menu[8]={"增加","删除","修改","查询","上记录","下记录","统计","退出"};
   head=malloc(sizeof( struct worker));
   head->next=NULL;
   LoadDate(fp,head,&count);
   CreateMenu(menu);
   CreateWorkspace();
   PaintWorkspace();
   p=head->next;
   if(p!=NULL)    /*如果文件中有记录，显示出来*/
     Display(p);
   i=0;
   while(1)     /*以下代码段都是响应键盘按键所进行的处理*/
   {
     gotoxy(i*10+1,1);
     window(i*10+1,1,i*10+10,1);
     textbackground(GREEN);
     textcolor(RED);
     clrscr();
     cprintf("%s",menu[i]);
     switch(getch())
     {
        case 77:if(i<7)
                  i++;
                key1=77;
                break;
        case 75:if(i>0)
                  i--;
                key1=75;
                break;
        case 13:
                switch(i)
                {
                   case 0:Add_Record(head,p,&count);       /*选择添加产生的事件*/
                          break;
                   case 1:Delete_Record(p,&count);
                          break;
                   case 2:Modify_Record(p);
                          break;
                   case 3:p=Find_Record(head,p);
                          Display(p);
                          break;
                   case 4:if(p->pre!=head)
                             p=p->pre;
                           Display(p);
                           break;
                   case 5:if(p->next!=NULL)
                             p=p->next;
                           Display(p);
                           break;
                   case 6:Tongji(head,count);
                           break;
                   case 7:while(1)      /*选择退出产生的事件*/
                          {
                              PaintMsgbox();
                              cprintf("Do you want to save your date?(Y/N)");
                              key1=getch();
                              if(key1=='Y'||key1=='y')  /*选择是否保存数据*/
                              {
                                  SaveDate(fp,head,&count);
                                  exit(0);
                               }
                              else if(key1=='N'||key1=='n')
                                  exit(0);
                          }
                          break;
                }
                break;
        }
     if(key1==77) /*以下条件语句和while和switch之间的语句配对，用来对选中的菜单显示*/
     {
        window((i-1)*10+1,1,(i-1)*10+10,1);
        textbackground(WHITE);
        textcolor(BLACK);
        clrscr();
        cprintf("%s",menu[i-1]);
      }
     else if(key1==75)
     {
        window((i+1)*10+1,1,(i+1)*10+10,1);
        textbackground(WHITE);
        textcolor(BLACK);
        clrscr();
        cprintf("%s",menu[i+1]);
     }
  }
}