操作excel类

using System;
using System.Data;
using System.Configuration;
using System.Web;
using Excel = Microsoft.Office.Interop.Excel;
using System.Collections;
using System.Data.OleDb;

namespace ExcelEdit1
{
/// <SUMMARY>
/// ExcelEdit 的摘要说明
/// </SUMMARY>
public class ExcelEdit1
{
public string mFilename;
public Excel.Application app;
public Excel.Workbooks wbs;
public Excel.Workbook wb;
public Excel.Worksheets wss;
public Excel.Worksheet ws;
public DataTable dt = new DataTable();
public ExcelEdit1()
{
//
// TODO: 在此处添加构造函数逻辑
//
}

public void Create()//创建一个Excel对象
{
app = new Excel.Application();
wbs = app.Workbooks;
wb = wbs.Add(true);
}
public void Open(string FileName)//打开一个Excel文件
{
app = new Excel.Application();
wbs = app.Workbooks;
wb = wbs.Add(FileName);
mFilename = FileName;
}
public void Opens(string FileName)
{
app = new Excel.Application();
wbs = app.Workbooks;
wb = wbs.Add(FileName);
mFilename = FileName;
app.Visible = true; //使Excel可视
}

//获取excel工作表名（sheet名）
public string[] GetSheetName()
{
ArrayList sSheetName = new ArrayList();

foreach (Excel.Worksheet displayWorksheet in app.Worksheets)
{
sSheetName.Add(displayWorksheet.Name);
}
return (string[])sSheetName.ToArray(typeof(string));
}

//获取一个工作表
public Excel.Worksheet GetSheet(string SheetName)
{
Excel.Worksheet s = (Excel.Worksheet)wb.Worksheets[SheetName];
return s;
}

//添加一个工作表
public Excel.Worksheet AddSheet(string SheetName)
{
Excel.Worksheet s = (Excel.Worksheet)wb.Worksheets.Add(Type.Missing, Type.Missing, Type.Missing, Type.Missing);
s.Name = SheetName;
return s;
}

public void DelSheet(string SheetName)//删除一个工作表
{
((Excel.Worksheet)wb.Worksheets[SheetName]).Delete();
}
public Excel.Worksheet ReNameSheet(string OldSheetName, string NewSheetName)//重命名一个工作表一
{
Excel.Worksheet s = (Excel.Worksheet)wb.Worksheets[OldSheetName];
s.Name = NewSheetName;
return s;
}

public Excel.Worksheet ReNameSheet(Excel.Worksheet Sheet, string NewSheetName)//重命名一个工作表二
{
Sheet.Name = NewSheetName;
return Sheet;
}

/// <summary>
/// 设置excel单元格值
/// </summary>
/// <param name="ws">要设值的工作表</param>
/// <param name="x">X行</param>
/// <param name="y">Y列</param>
/// <param name="value">值</param>
public void SetCellValue(Excel.Worksheet ws, int x, int y, object value)
{
ws.Cells[x, y] = value;
}
public void SetCellValue(string ws, int x, int y, object value)
//ws：要设值的工作表的名称 X行Y列 value 值
{
try
{
GetSheet(ws).Cells[x, y] = value;
}
catch (Exception ex) {
string str = "1";
}
}
/// <summary>
/// 取得一个值
/// </summary>
/// <param name="ws"></param>
/// <param name="x"></param>
/// <param name="y"></param>
/// <returns></returns>
public string GetCellValue(string ws, int x, int y)
{
if (((Excel.Range)GetSheet(ws).Cells[x, y]).Text.ToString() != "")
{ return ((Excel.Range)GetSheet(ws).Cells[x, y]).Value2.ToString(); }
else
{
return "";
}
}

public void SetCellProperty(Excel.Worksheet ws, int Startx, int Starty, int Endx, int Endy, int size, string name, Excel.Constants color, Excel.Constants HorizontalAlignment)
//设置一个单元格的属性   字体，   大小，颜色   ，对齐方式
{
name = "宋体";
size = 12;
color = Excel.Constants.xlAutomatic;
HorizontalAlignment = Excel.Constants.xlRight;
ws.get_Range(ws.Cells[Startx, Starty], ws.Cells[Endx, Endy]).Font.Name = name;
ws.get_Range(ws.Cells[Startx, Starty], ws.Cells[Endx, Endy]).Font.Size = size;
ws.get_Range(ws.Cells[Startx, Starty], ws.Cells[Endx, Endy]).Font.Color = color;
ws.get_Range(ws.Cells[Startx, Starty], ws.Cells[Endx, Endy]).HorizontalAlignment = HorizontalAlignment;
}

public void SetCellProperty(string wsn, int Startx, int Starty, int Endx, int Endy, int size, string name, System.Drawing.Color color, Excel.Constants HorizontalAlignment)
{
//name = "宋体";
//size = 12;
//color = Excel.Constants.xlAutomatic;
//HorizontalAlignment = Excel.Constants.xlRight;

Excel.Worksheet ws = GetSheet(wsn);
ws.get_Range(ws.Cells[Startx, Starty], ws.Cells[Endx, Endy]).Font.Name = name;
ws.get_Range(ws.Cells[Startx, Starty], ws.Cells[Endx, Endy]).Font.Size = size;
ws.get_Range(ws.Cells[Startx, Starty], ws.Cells[Endx, Endy]).Font.Color = color;
ws.get_Range(ws.Cells[Startx, Starty], ws.Cells[Endx, Endy]).HorizontalAlignment = HorizontalAlignment;
}

//合并单元格
public void UniteCells(Excel.Worksheet ws, int x1, int y1, int x2, int y2)
{
ws.get_Range(ws.Cells[x1, y1], ws.Cells[x2, y2]).Merge(Type.Missing);
}

//合并单元格
public void UniteCells(string ws, int x1, int y1, int x2, int y2)
{
GetSheet(ws).get_Range(GetSheet(ws).Cells[x1, y1], GetSheet(ws).Cells[x2, y2]).Merge(Type.Missing);

}

public void InsertTable(System.Data.DataTable dt, string ws, int startX, int startY)
//将内存中数据表格插入到Excel指定工作表的指定位置 为在使用模板时控制格式时使用一
{
for (int i = 0; i <= dt.Rows.Count - 1; i++)
{
for (int j = 0; j <= dt.Columns.Count - 1; j++)
{
GetSheet(ws).Cells[startX + i, j + startY] = dt.Rows[i][j].ToString();
}
}
}
public void InsertTable(System.Data.DataTable dt, Excel.Worksheet ws, int startX, int startY)
//将内存中数据表格插入到Excel指定工作表的指定位置二
{

for (int i = 0; i <= dt.Rows.Count - 1; i++)
{
for (int j = 0; j <= dt.Columns.Count - 1; j++)
{

ws.Cells[startX + i, j + startY] = dt.Rows[i][j];

}

}

}

public void AddTable(System.Data.DataTable dt, string ws, int startX, int startY)
//将内存中数据表格添加到Excel指定工作表的指定位置一
{
for (int i = 0; i <= dt.Rows.Count - 1; i++)
{
for (int j = 0; j <= dt.Columns.Count - 1; j++)
{
GetSheet(ws).Cells[i + startX, j + startY] = dt.Rows[i][j];
}
}
}

public void AddTable(System.Data.DataTable dt, Excel.Worksheet ws, int startX, int startY)
//将内存中数据表格添加到Excel指定工作表的指定位置二
{
for (int i = 0; i <= dt.Rows.Count - 1; i++)
{
for (int j = 0; j <= dt.Columns.Count - 1; j++)
{
ws.Cells[i + startX, j + startY] = dt.Rows[i][j];
}
}

}
public void InsertPictures(string Filename, string ws)
//插入图片操作一
{
//          GetSheet(ws).Shapes.AddPicture(Filename, MsoTriState.msoFalse, MsoTriState.msoTrue, 10, 10, 150, 150);
//后面的数字表示位置
}

//public void InsertPictures(string Filename, string ws, int Height, int Width)
//插入图片操作二
//{
//    GetSheet(ws).Shapes.AddPicture(Filename, MsoTriState.msoFalse, MsoTriState.msoTrue, 10, 10, 150, 150);
//    GetSheet(ws).Shapes.get_Range(Type.Missing).Height = Height;
//    GetSheet(ws).Shapes.get_Range(Type.Missing).Width = Width;
//}
//public void InsertPictures(string Filename, string ws, int left, int top, int Height, int Width)
//插入图片操作三
//{

//    GetSheet(ws).Shapes.AddPicture(Filename, MsoTriState.msoFalse, MsoTriState.msoTrue, 10, 10, 150, 150);
//    GetSheet(ws).Shapes.get_Range(Type.Missing).IncrementLeft(left);
//    GetSheet(ws).Shapes.get_Range(Type.Missing).IncrementTop(top);
//    GetSheet(ws).Shapes.get_Range(Type.Missing).Height = Height;
//    GetSheet(ws).Shapes.get_Range(Type.Missing).Width = Width;
//}

public void InsertActiveChart(Excel.XlChartType ChartType, string ws, int DataSourcesX1, int DataSourcesY1, int DataSourcesX2, int DataSourcesY2, Excel.XlRowCol ChartDataType)
//插入图表操作
{
ChartDataType = Excel.XlRowCol.xlColumns;
wb.Charts.Add(Type.Missing, Type.Missing, Type.Missing, Type.Missing);
{
wb.ActiveChart.ChartType = ChartType;
wb.ActiveChart.SetSourceData(GetSheet(ws).get_Range(GetSheet(ws).Cells[DataSourcesX1, DataSourcesY1], GetSheet(ws).Cells[DataSourcesX2, DataSourcesY2]), ChartDataType);
wb.ActiveChart.Location(Excel.XlChartLocation.xlLocationAsObject, ws);
}
}
public bool Save()
//保存文档
{
if (mFilename == "")
{
return false;
}
else
{
try
{
wb.Save();
return true;
}

catch (Exception ex)
{
return false;
}
}
}

public bool SaveAs(object FileName)
//文档另存为
{
try
{
wb.SaveAs(FileName, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Excel.XlSaveAsAccessMode.xlExclusive, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing);
return true;
}

catch (Exception ex)
{
return false;
}
}
public void Close()
//关闭一个Excel对象，销毁对象
{
//wb.Save();
wb.Close(Type.Missing, Type.Missing, Type.Missing);
wbs.Close();
app.Quit();
wb = null;
wbs = null;
app = null;
GC.Collect();
}

public string CloseAndSave(string filePath)
//关闭一个Excel并保存
{
string newName = Guid.NewGuid().ToString() + ".xlsx";
wb.SaveAs(filePath + newName, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Excel.XlSaveAsAccessMode.xlNoChange, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing);
wb.Close(Type.Missing, Type.Missing, Type.Missing);
wbs.Close();
app.Quit();
wb = null;
wbs = null;
app = null;
GC.Collect();

return newName;
}

/// <summary>
/// 设置单个单元格的颜色
/// </summary>
/// <param name="wsn"></param>
/// <param name="Startx"></param>
/// <param name="Starty"></param>
/// <param name="colorIndex"></param>
public void SetCellProperty(string wsn, int Startx, int Starty, int colorIndex)
{
try
{
Excel.Worksheet ws = GetSheet(wsn);
ws.get_Range(ws.Cells[Startx, Starty], ws.Cells[Startx, Starty]).Interior.ColorIndex = colorIndex;
}
catch (Exception ex) {
string str = "";
}
}

/// <summary>
/// 获取工作表数据到DataTable中   --2012-10-17 by LeShan
/// </summary>
/// <param name="path">excel文件路径</param>
/// <param name="sheetName">工作表名</param>
/// <returns>返回一个DataTable</returns>
public DataTable getExcelToTable(string path,string sheetName)
{
//string ConnStr = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + path + ";Extended Properties=Excel 8.0;";
string ConnStr = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + path + ";Extended Properties=\"Excel 12.0;HDR=YES\"";
string query = "SELECT   *   FROM   ["+sheetName+"$] ";

OleDbCommand oleCommand = new OleDbCommand(query, new OleDbConnection(ConnStr));
OleDbDataAdapter oleAdapter = new OleDbDataAdapter(oleCommand);

DataTable dt = new DataTable();
oleAdapter.Fill(dt);
return dt;
}
}
}