NewsCrawler/ExcelHandler.cs

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;
using Excel = Microsoft.Office.Interop.Excel;
using System.Reflection;
namespace NewsCrawler
{
	public class ExcelHandler
	{
		bool m_bAvailable = true;
		string m_strFileName = "";
		string m_strToday = DateTime.Now.ToString("yyyy-MM-dd");

		public ExcelHandler(string strFileName)
		{
			m_strFileName = strFileName;
		}

		public bool IsAvailable()
		{
			return m_bAvailable;
		}

		private void Create()
		{
			try
			{
				Excel.Application App = new Excel.Application();
				if(App == null)
				{
					Util.Log(Util.LOG_TYPE.ERROR, "엑셀이 설치되지 않음");
					m_bAvailable = false;
					return;
				}

				Excel._Workbook Workbook = App.Workbooks.Add(Missing.Value);
				Excel._Worksheet Worksheet = Workbook.ActiveSheet;

				Worksheet.Cells[1, 1] = "날짜";
				Worksheet.Cells[1, 2] = "기사 시간";
				Worksheet.Cells[1, 3] = "받은 시간";
				Worksheet.Cells[1, 4] = "출처";
				Worksheet.Cells[1, 5] = "제목";
				Worksheet.Cells[1, 6] = "요청 시간";
				Worksheet.Cells[1, 7] = "시가";
				Worksheet.Cells[1, 8] = "저가";
				Worksheet.Cells[1, 9] = "대비";
				Worksheet.Cells[1, 10] = "고가";
				Worksheet.Cells[1, 11] = "대비";
				Worksheet.Cells[1, 12] = "링크";

				Workbook.SaveAs(m_strFileName, Excel.XlFileFormat.xlOpenXMLWorkbook, Missing.Value,
					Missing.Value, false, false, Excel.XlSaveAsAccessMode.xlNoChange,
					Excel.XlSaveConflictResolution.xlUserResolution, true,
					Missing.Value, Missing.Value, Missing.Value);
				Workbook.Close();
			}
			catch(Exception ex)
			{
				Console.WriteLine(ex.Message + Environment.NewLine + ex.StackTrace);
			}
		}

		public bool AddRow(string strNewsTime, string strResTime, string strRef, string strTitle, float fReqTime, int iPriceS, int iPriceLow, float fPriceLowP, int iPriceHigh, float fPriceHighP, string strLink)
		{
			lock(this)
			{
				if(m_bAvailable == false)
					return false;

				if(File.Exists(m_strFileName) == false)
					Create();

				try
				{
					Excel.Application App = new Excel.Application();
					if(App == null)
					{
						Util.Log(Util.LOG_TYPE.ERROR, "엑셀이 설치되지 않음");
						m_bAvailable = false;
						return false;
					}
					App.DisplayAlerts = false;

					Excel._Workbook Workbook = App.Workbooks.Open(m_strFileName);
					Excel._Worksheet Worksheet = Workbook.ActiveSheet;

					int iRow = Worksheet.Cells.SpecialCells(Excel.XlCellType.xlCellTypeLastCell, Type.Missing).Row+1;
					Worksheet.Cells[iRow, 1] = m_strToday;
					Worksheet.Cells[iRow, 2] = strNewsTime;
					Worksheet.Cells[iRow, 3] = strResTime;
					Worksheet.Cells[iRow, 4] = strRef;
					Worksheet.Cells[iRow, 5] = strTitle;
					Worksheet.Cells[iRow, 6] = fReqTime;
					Worksheet.Cells[iRow, 7] = iPriceS;
					Worksheet.Cells[iRow, 8] = iPriceLow;
					Worksheet.Cells[iRow, 9] = fPriceLowP;
					Worksheet.Cells[iRow, 10] = iPriceHigh;
					Worksheet.Cells[iRow, 11] = fPriceHighP;
					Worksheet.Cells[iRow, 12] = strLink;

					Workbook.Save();
					Workbook.Close();
				}
				catch(Exception ex)
				{
					Console.WriteLine(ex.Message + Environment.NewLine + ex.StackTrace);
					return false;
				}
			}

			return true;
		}
	}
}