VC查找文件特定位置的记录方法

              FILE *pFile = fopen(fileDlg.GetFileName (),"r");

              char array[1024];

              memset(array,0,1024);

              while(!feof(pFile))

              {

                     fgets(array, 1024, pFile);   //获取一行的信息

                     CString str;

                     str.Format ("%s",array);

                     int arr[5];

                     memset(arr,0, 5);

                                         

                     tradingname = filename;

                    

                     int ipos = 0;

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

                     {

                            ipos = str.Find (",", ipos+1);

                            arr[i] = ipos;

                     }                  

                     tradingday = str.Mid (0,arr[0]);

                     tradingday = TransForm(tradingday);

                     openprice = str.Mid (arr[0]+1,arr[1]-arr[0]-1);

                     highestprice = str.Mid (arr[1]+1, arr[2]-arr[1]-1);

                     lowestprice = str.Mid (arr[2]+1, arr[3]-arr[2]-1);

                    

                     closeprice = str.Mid (arr[3]+1, arr[4]-arr[3]-1);

                    

                     volume = str.Mid (arr[4]+1);

                    

}

CString CDataMaintenanceDlg::TransForm(CString str)

{

       CString strTemp, str1,str2,str3;

      

       int arr[2];

       memset(arr,0, 2);         

       int ipos = 0;

                           

       for (int i=0; i<2; i++)

       {

              ipos = str.Find ("/", ipos+1);

              arr[i] = ipos;

       }

                           

       str1 = str.Mid (0, arr[0]);

      

       str2 = str.Mid (arr[0]+1, arr[1]-arr[0]-1);

      

       str3 = str.Mid (arr[1]+1, arr[2]-arr[1]-1);

      

       return strTemp=str3+str1+str2;

                           

}

原文地址:https://www.cnblogs.com/aimenfeifei/p/3281842.html