using System;
using System.Diagnostics;
using System.Collections;
using System.Data;
using System.Web;
using System.Runtime.InteropServices;
using System.Reflection;
using Excel = Microsoft.Office.Interop.Excel;
using System.Collections.Generic;
using System.Drawing;
namespace VQP.Common
{
public class ExcelWrapper
{
private string _ReportTemplate_Excel_FileName = null;
private Excel.Application _Excel = null;
private Excel.Workbooks _WorkBooks = null;
private Excel.Workbook _WorkBook = null;
private Excel.Sheets _WorkSheets = null;
private Excel.Worksheet _WorkSheet = null;
private string _password = "";
private string _filenamepath = "";
private int _WorkSheetCount = 0;
public int WorkSheetCount
{
get { return _WorkSheetCount; }
set { _WorkSheetCount = value; }
}
private string _excelversion;
public string ExcelVersion
{
get { return _excelversion; }
set { _excelversion = value; }
}
private List<int> _vqpSheetCountList = null;
public List<int> VqpSheetCountList
{
get { return _vqpSheetCountList; }
set { _vqpSheetCountList = value; }
}
private Hashtable _hsSheetName = new Hashtable();
public Hashtable HsSheetName
{
get
{
return _hsSheetName;
}
set
{
_hsSheetName = value;
}
}
public ExcelWrapper()
{
}
/// <summary>
/// open excel
/// </summary>
/// <param name="strFileName"></param>
public ExcelWrapper(string strFileName, string strPassword)
{
_ReportTemplate_Excel_FileName = strFileName;
_Excel = new Excel.Application();
_Excel.Visible = false;
_Excel.DisplayAlerts = false;
_WorkBooks = _Excel.Workbooks;
this._password = strPassword.Trim();
//_WorkBook = _WorkBooks.Open(strFileName, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value);
if (this._password.Trim().Length == 0)
{
_WorkBook = _WorkBooks.Open(strFileName, 0, false, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value);
}
else
{
_WorkBook = _WorkBooks.Open(strFileName, 0, false, Missing.Value, this._password, this._password, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value);
//_WorkBook.WritePassword =
}
_WorkSheetCount = _Excel.Sheets.Count;
_vqpSheetCountList = ValidExcelSheetName();
this._filenamepath = strFileName;
_Excel.Visible = false;
this._excelversion = _Excel.Version;
}
#region Read excel function
/// <summary>
///
/// </summary>
/// <returns></returns>
private List<int> ValidExcelSheetName()
{
List<int> sheetList = new List<int>();
for (int i = 1; i <= _WorkSheetCount; i++)
{
string strSheetName = ((Excel.Worksheet)_WorkBook.Sheets[i]).Name;
if (strSheetName.ToUpper().StartsWith("Q-"))
{
sheetList.Add(i);
if (!_hsSheetName.Contains(i))
{
this._hsSheetName.Add(i, strSheetName);
}
}
}
return sheetList;
}
private string SetNullToEmpty(Object mValue)
{
if (null == mValue || string.Empty.Equals(mValue))
{
return string.Empty;
}
else
{
return mValue.ToString();
}
}
/// <summary>
///
/// </summary>
/// <param name="sheetIndex"></param>
/// <param name="rowIndex"></param>
/// <param name="columnIndex"></param>
/// <returns></returns>
public string GetExcelCellValue(int sheetIndex, int rowIndex, int columnIndex)
{
string strResult = string.Empty;
if (_WorkSheetCount >= sheetIndex)
{
Excel.Worksheet sheet = (Excel.Worksheet)_WorkBook.Sheets[sheetIndex];
//strResult = SetNullToEmpty(((Microsoft.Office.Interop.Excel.Range)sheet.Cells[rowIndex, columnIndex]).Text);
strResult = SetNullToEmpty(((Microsoft.Office.Interop.Excel.Range)sheet.Cells[rowIndex, columnIndex]).Value2);
}
return strResult;
}
public string GetExcelCellText(int sheetIndex, int rowIndex, int columnIndex)
{
string strResult = string.Empty;
if (_WorkSheetCount >= sheetIndex)
{
Excel.Worksheet sheet = (Excel.Worksheet)_WorkBook.Sheets[sheetIndex];
strResult = SetNullToEmpty(((Microsoft.Office.Interop.Excel.Range)sheet.Cells[rowIndex, columnIndex]).Text);
}
return strResult;
}
#endregion
#region Write excel function
public void SetWorkSheetName(int sheetIndex, string strWorkSheetName)
{
_WorkSheets = _WorkBook.Sheets;
_WorkSheet = (Excel.Worksheet)_WorkSheets[sheetIndex];
_WorkSheet.Name = strWorkSheetName;
Release(_WorkSheet);
Release(_WorkSheets);
}
public void CopyWorkSheet(int sheetIndex, string sheetName)
{
_WorkSheets = _WorkBook.Sheets;
_WorkSheet = (Excel.Worksheet)_WorkSheets[sheetIndex];
_WorkSheet.Copy(Missing.Value, _WorkSheets[_WorkSheets.Count]);
Release(_WorkSheet);
_WorkSheet = (Excel.Worksheet)_WorkSheets[_WorkSheets.Count];
_WorkSheet.Name = sheetName;
Release(_WorkSheet);
Release(_WorkSheets);
}
public void HideSheet(int sheetIndex)
{
_WorkSheets = _WorkBook.Sheets;
_WorkSheet = (Excel.Worksheet)_WorkSheets[sheetIndex];
_WorkSheet.Visible = Excel.XlSheetVisibility.xlSheetHidden;
Release(_WorkSheet);
Release(_WorkSheets);
}
public void WriteCell(int sheetIndex, int row, int col, string strCellValue)
{
try
{
if (strCellValue == null)
{
strCellValue = "";
}
strCellValue = strCellValue.Trim();
strCellValue = strCellValue.Replace("\n\t", String.Empty);
strCellValue = strCellValue.Replace("\n", String.Empty);
strCellValue = strCellValue.Replace("'", "\'");
_WorkSheets = _WorkBook.Sheets;
_WorkSheet = (Excel.Worksheet)_WorkSheets[sheetIndex];
_WorkSheet.Unprotect(this._password);
_WorkSheet.Cells[row, col] = strCellValue.ToString();
//(_WorkSheet.Cells[row, col] as Excel.Range).Interior.Color = System.Drawing.ColorTranslator.ToOle(System.Drawing.Color.Yellow);
//(_WorkSheet.Cells[row, col] as Excel.Range).Interior.Color = System.Drawing.Color.FromArgb(255, 204, 153).ToArgb();
Excel.Range excelRange = _WorkSheet.Cells[row, col] as Excel.Range;
if (excelRange != null)
{
excelRange.Borders.LineStyle = 1;
excelRange.Borders.Color = System.Drawing.ColorTranslator.ToOle(System.Drawing.Color.Red);
string commentTxt = "Value has been corrected by VQP system.";
if (excelRange.Comment != null)
{
excelRange.Comment.Delete();
}
excelRange.AddComment(commentTxt);
excelRange.Comment.Visible = true;
}
}
catch(Exception ex)
{
Console.Write(ex.ToString());
}
//Release(_WorkSheet);
//Release(_WorkSheets);
}
public void WriteComment(string strCellValue, int RowStart, int ColStart, int sheetIndex)
{
WriteCell(sheetIndex, RowStart, ColStart, strCellValue);
}
public void DeleteColumn(int col, int sheetIndex)
{
_WorkSheets = _WorkBook.Sheets;
_WorkSheet = (Excel.Worksheet)_WorkSheets[sheetIndex];
Excel.Range oColumn = (Excel.Range)_WorkSheet.Cells[1, col];
oColumn.EntireColumn.Delete(Missing.Value);
Release(oColumn);
Release(_WorkSheet);
Release(_WorkSheets);
}
public void DeleteRow(int row, int sheetIndex)
{
_WorkSheets = _WorkBook.Sheets;
_WorkSheet = (Excel.Worksheet)_WorkSheets[sheetIndex];
Excel.Range oRow = (Excel.Range)_WorkSheet.Cells[row, 1];
oRow.EntireRow.Delete(Missing.Value);
Release(oRow);
Release(_WorkSheet);
Release(_WorkSheets);
}
public void InsertRow(int row, int sheetIndex)
{
_WorkSheets = _WorkBook.Sheets;
_WorkSheet = (Excel.Worksheet)_WorkSheets[sheetIndex];
Excel.Range oRow = (Excel.Range)_WorkSheet.Cells[row, 1];
oRow.EntireRow.Copy(oRow.EntireRow);
oRow.EntireRow.Insert(Excel.XlInsertShiftDirection.xlShiftDown, Excel.XlInsertFormatOrigin.xlFormatFromLeftOrAbove);
Release(oRow);
Release(_WorkSheet);
Release(_WorkSheets);
}
public void InsertRows(int sheetIndex, int row, int insertingRowCount)
{
_WorkSheets = _WorkBook.Sheets;
_WorkSheet = (Excel.Worksheet)_WorkSheets[sheetIndex];
for (int i = 1; i <= insertingRowCount; i++)
{
Excel.Range oRow = (Excel.Range)_WorkSheet.Rows[row, 1];
oRow.EntireRow.Copy(oRow.EntireRow);
oRow.EntireRow.Insert(Excel.XlInsertShiftDirection.xlShiftDown, Excel.XlInsertFormatOrigin.xlFormatFromLeftOrAbove);
Release(oRow);
}
Release(_WorkSheet);
Release(_WorkSheets);
}
public void SaveAs(string strExcelName)
{
//_WorkBook.SaveAs(strExcelName, Excel.XlFileFormat.xlWorkbookNormal, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Excel.XlSaveAsAccessMode.xlExclusive, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value);
//if (System.IO.Path.GetExtension(strExcelName).ToLower() == ".xlsx")
// exclVersion = Excel.XlFileFormat.xlOpenXMLWorkbook;//Excel 2007版本
Excel.XlFileFormat exclVersion = Excel.XlFileFormat.xlWorkbookNormal;//Excel 2003版本
_WorkBook.SaveAs(strExcelName, exclVersion, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Excel.XlSaveAsAccessMode.xlExclusive, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value);
}
#endregion
#region Excel common function
public bool IsExistSheetName(string sheetName)
{
object sheet = null;
try
{
sheet = _WorkBook.Sheets.get_Item(sheetName);
}
catch
{
sheet = null;
}
return (sheet != null);
}
public int GetSheetIndex(string sheetName)
{
if(IsExistSheetName(sheetName))
{
foreach (Excel.Worksheet sheet in _WorkBook.Sheets)
{
if (sheet.Name == sheetName)
{
return sheet.Index;
}
}
}
return -1;
}
#endregion
/// <summary>
/// close excel
/// </summary>
public void Close()
{
_WorkBook.Close(false, Missing.Value, Missing.Value);
_WorkBooks.Close();
_Excel.Quit();
Release(_WorkSheet);
Release(_WorkSheets);
Release(_WorkBook);
Release(_WorkBooks);
Release(_Excel);
KillUselessExcelProcess();
}
/// <summary>
/// release excel
/// </summary>
/// <param name="obj"></param>
private void Release(Object obj)
{
if (obj == null)
{
return;
}
try
{
int nResult = System.Runtime.InteropServices.Marshal.ReleaseComObject(obj);
if (nResult > 0)
{
System.Runtime.InteropServices.Marshal.ReleaseComObject(obj);
}
}
catch
{
}
finally
{
obj = null;
}
}
/// <summary>
/// kill excel process
/// </summary>
private void KillUselessExcelProcess()
{
GC.Collect();
foreach (System.Diagnostics.Process p in System.Diagnostics.Process.GetProcesses())
{
try
{
if (p.ProcessName.ToUpper().StartsWith("EXCEL"))
{
//if (p.StartTime.AddSeconds(15) < TimeParser.Now)
//{
// p.Kill();
//}
p.Kill();
}
}
catch (Exception ex)
{
}
}
}
}
}
转载于:https://www.cnblogs.com/zhangchenliang/archive/2011/07/22/2113993.html