1 void LendAddEq::OnSureAddLend() 2 { 3     // TODO:  在此添加控件通知处理程序代码 4     CString id, e_name,p_name,l_date,r_date; 5  6     lend_flag = "lending"; 7  8     BOOL In = FALSE; 9 10     CString sum_count;11     CString c_name;12     int count=0;13 14     CString q;15     16 17 18     GetDlgItemText(IDC_EDIT1, id);19     GetDlgItemText(IDC_EDIT2, e_name);20     GetDlgItemText(IDC_EDIT4, p_name);21     GetDlgItemText(IDC_EDIT5, l_date);22     GetDlgItemText(IDC_EDIT6, r_date);23 24     rs.Open(CRecordset::forwardOnly, _T("SELECT * FROM equipment_table order by id Desc"));25     while (!rs.IsEOF())26     {27         28         rs.GetFieldValue(L"equipment_name", c_name);29         //AfxMessageBox(c_name);30         if (c_name == e_name)31         {32             //if ()借走数量33             rs.GetFieldValue(L"sum_count", sum_count);34             AfxMessageBox(sum_count);35             count = _ttoi(sum_count);36             //AfxMessageBox(count);37             if (count - 1 > 0)38             {39                 In = TRUE;40                 count =count - 1;41                 q.Format(L"%d", count);42                 AfxMessageBox(q);43                 break;44             }45             46         }47         rs.MoveNext();48     }49     rs.Close();50     if (In)51     {52         CString sql1;53         sql1.Format(L"update equipment_table set count=‘%d‘ where equipment_name=‘%s‘", count, c_name);54         db.ExecuteSQL(sql1);55 56         CString sql;57         sql.Format(_T("insert into lend_table (id, eq_name,people_name,flag,lend_date,return_date) values (‘%s‘,‘%s‘,‘%s‘,‘%s‘,‘%s‘,‘%s‘)"), id, e_name, p_name, lend_flag, l_date, r_date);58         db.ExecuteSQL(sql);59 60         AfxMessageBox(L"添加成功");61         EndDialog(true);62     }63     else64     {65         MessageBox(L"实验室没有该设备！");66     }67 }