Excel COM 읽기 및 쓰기

17862 단어 Excel
아내를 도와 엑셀의 데이터를 필터하는 작은 프로그램
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data;
using System.Data.OleDb;
using System.IO;
using Microsoft.Office.Interop.Excel;
using System.Diagnostics;
using System.Collections;
using System.Reflection;
namespace Console
{
    class Program
    {

    #region Vars
        static string[] Files;
        static List<_Worksheet> objSheetList;
        static Microsoft.Office.Interop.Excel.Application objApp;
        static object miss = System.Reflection.Missing.Value;
    #endregion

        static void Main(string[] args)
        {
            ReadFiles();

            Filter();

            //foreach (_Workbook sheet in objSheetList)
            //{ ObjectDumper.Write(sheet); }

            SaveFiles();
        }

        private static void SaveFiles()
        {
            string path = Environment.CurrentDirectory + "/Results/";
            if (!Directory.Exists(path)) Directory.CreateDirectory(path);
            foreach (_Worksheet sheet in objSheetList )
                sheet.SaveAs(path + sheet.Name + ".xls", miss, miss, miss, miss, miss, miss, miss, miss,miss);
            ReleaseObject(objApp);
            
        }

        private static void Filter()
        {
            foreach (_Worksheet objSheet in objSheetList)
            {
                List<Range> deleteRows = new List<Range>();
                foreach (Range row in objSheet.Rows)
                {
                    if (row.Row > 200) break;

                    if (row.Row == 1) continue;

                    DateTime birthDay = DateTime.MinValue;
                    string dateStr=(objSheet.Cells[row.Row, 7] as Range).Text as string;
                    if (DateTime.TryParse(dateStr, out birthDay) & birthDay.Year > 1960 & birthDay.Year < 1990)
                        continue;
                    deleteRows.Add(row);
                    
                }
                foreach (Range row in deleteRows)
                row.Delete(XlDeleteShiftDirection .xlShiftUp);
            }
        }

        /// <summary>
        ///  
        /// </summary>
        /// <param name="obj"></param>
        static private void ReleaseObject(object obj)
        {
            try
            {
                System.Runtime.InteropServices.Marshal.ReleaseComObject(obj);
            }
            catch { }
            finally { obj = null; }
        }

        /// <summary>
        /// Read excel and init objSheet
        /// </summary>
        private static void ReadFiles()
        {
            string path = Environment.CurrentDirectory + "/ /";
            Files = Directory.GetFiles(path);
            objSheetList = new List<_Worksheet>();
            objApp = new Microsoft.Office.Interop.Excel.Application();
            Microsoft.Office.Interop.Excel.Workbooks workbooks = objApp.Workbooks;
            foreach (string file in Files)
            {
                workbooks.Open(file, miss, miss, miss, miss, miss, miss, miss, miss, miss, miss, miss, miss, miss, miss);

                Microsoft.Office.Interop.Excel.Sheets objSheets = objApp.Worksheets;

                Microsoft.Office.Interop.Excel._Worksheet objSheet;

                objSheet = (Microsoft.Office.Interop.Excel._Worksheet)objSheets.get_Item(1);

                
                objSheetList.Add(objSheet);
            }
        }
    }
    /// <summary>
    /// Adapted from the VS2008 Samples ObjectDumper.
    /// </summary>
    internal sealed class ObjectDumper
    {
        private TextWriter _writer;
        private int _position;
        private int _level;
        private int _depth;

        public static void Write(object element, int depth, TextWriter log)
        {
            ObjectDumper dumper = new ObjectDumper(depth);
            dumper._writer = log;
            dumper.WriteObject(null, element);
        }

        public static string Write(object element)
        {
            using (StringWriter sw = new StringWriter())
            {
                ObjectDumper.Write(element, 3, sw);
                return sw.ToString();
            }
        }

        private ObjectDumper(int depth)
        {
            this._depth = depth;
        }

        private void Write(string s)
        {
            if (s != null)
            {
                _writer.Write(s);
                _position += s.Length;
            }
        }

        private void WriteIndent()
        {
            for (int i = 0; i < _level; i++) _writer.Write("  ");
        }

        private void WriteLine()
        {
            _writer.WriteLine();
            _position = 0;
        }

        private void WriteTab()
        {
            Write("  ");
            while (_position % 8 != 0) Write(" ");
        }

        private void WriteObject(string prefix, object element)
        {
            if (element == null || element is ValueType || element is string)
            {
                WriteIndent();
                Write(prefix);
                WriteValue(element);
                WriteLine();
            }
            else
            {
                IEnumerable enumerableElement = element as IEnumerable;
                if (enumerableElement != null)
                {
                    foreach (object item in enumerableElement)
                    {
                        if (item is IEnumerable && !(item is string))
                        {
                            WriteIndent();
                            Write(prefix);
                            Write("...");
                            WriteLine();
                            if (_level < _depth)
                            {
                                _level++;
                                WriteObject(prefix, item);
                                _level--;
                            }
                        }
                        else
                        {
                            WriteObject(prefix, item);
                        }
                    }
                }
                else
                {
                    MemberInfo[] members = element.GetType().GetMembers(BindingFlags.Public | BindingFlags.Instance);
                    WriteIndent();
                    Write(prefix);
                    bool propWritten = false;
                    foreach (MemberInfo m in members)
                    {
                        FieldInfo f = m as FieldInfo;
                        PropertyInfo p = m as PropertyInfo;
                        if (f != null || p != null)
                        {
                            if (propWritten)
                            {
                                WriteTab();
                            }
                            else
                            {
                                propWritten = true;
                            }
                            Write(m.Name);
                            Write("=");
                            Type t = f != null ? f.FieldType : p.PropertyType;
                            if (t.IsValueType || t == typeof(string))
                            {
                                WriteValue(f != null ? f.GetValue(element) : p.GetValue(element, null));
                            }
                            else
                            {
                                if (typeof(IEnumerable).IsAssignableFrom(t))
                                {
                                    Write("...");
                                }
                                else
                                {
                                    Write("{ }");
                                }
                            }
                        }
                    }
                    if (propWritten) WriteLine();
                    if (_level < _depth)
                    {
                        foreach (MemberInfo m in members)
                        {
                            FieldInfo f = m as FieldInfo;
                            PropertyInfo p = m as PropertyInfo;
                            if (f != null || p != null)
                            {
                                Type t = f != null ? f.FieldType : p.PropertyType;
                                if (!(t.IsValueType || t == typeof(string)))
                                {
                                    object value = f != null ? f.GetValue(element) : p.GetValue(element, null);
                                    if (value != null)
                                    {
                                        _level++;
                                        WriteObject(m.Name + ": ", value);
                                        _level--;
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }

        private void WriteValue(object o)
        {
            if (o == null)
            {
                Write("null");
            }
            else if (o is DateTime)
            {
                Write(((DateTime)o).ToShortDateString());
            }
            else if (o is ValueType || o is string)
            {
                Write(o.ToString());
            }
            else if (o is IEnumerable)
            {
                Write("...");
            }
            else
            {
                Write("{ }");
            }
        }
    }

}



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