C# Excel 工具类

using System;
using System.Reflection;
using Microsoft.Office.Core;
using System.Drawing;

    /**/

/// <summary>
/// ExcelClass 的摘要说明。
/// </summary>
public class ExcelHelper
{
    /**/

    /// <summary>
    /// 构建ExcelClass类
    /// </summary>
    public ExcelHelper()
    {
        this.m_objExcel = new Microsoft.Office.Interop.Excel.Application();
    }

    /**/

    /// <summary>
    /// 构建ExcelClass类
    /// </summary>
    /// <param name="objExcel">Excel.Application</param>
    public ExcelHelper(Microsoft.Office.Interop.Excel.Application objExcel)
    {
        this.m_objExcel = objExcel;
    }

    /**/

    /// <summary>
    /// 列标号
    /// </summary>
    private string AList = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";

    /**/

    /// <summary>
    /// 获取描述区域的字符
    /// </summary>
    /// <param name="x"></param>
    /// <param name="y"></param>
    /// <returns></returns>
    public string GetAix(int x, int y)
    {
        char[] AChars = AList.ToCharArray();
        if (x >= 26)
        {
            return "";
        }
        string s = "";
        s = s + AChars[x - 1].ToString();
        s = s + y.ToString();
        return s;
    }

    /**/

    /// <summary>
    /// 获取当前活动Sheet的Range的值
    /// </summary>
    /// <param name="y"></param>
    /// <param name="x"></param>
    /// <returns></returns>
    public string GetRangeText(int y, int x)
    {
        Microsoft.Office.Interop.Excel.Range range = sheet.get_Range(this.GetAix(x, y), miss);
        return range.Text.ToString();
    }

    /**/

    /// <summary>
    /// 给单元格赋值1
    /// </summary>
    /// <param name="x">行号</param>
    /// <param name="y">列号</param>
    /// <param name="align">对齐（CENTER、LEFT、RIGHT）</param>
    /// <param name="text">值</param>
    public void setValue(int y, int x, string align, string text)
    {
        Microsoft.Office.Interop.Excel.Range range = sheet.get_Range(this.GetAix(x, y), miss);
        range.set_Value(miss, text);
        if (align.ToUpper() == "CENTER")
        {
            range.HorizontalAlignment = Microsoft.Office.Interop.Excel.XlHAlign.xlHAlignCenter;
        }
        if (align.ToUpper() == "LEFT")
        {
            range.HorizontalAlignment = Microsoft.Office.Interop.Excel.XlHAlign.xlHAlignLeft;
        }
        if (align.ToUpper() == "RIGHT")
        {
            range.HorizontalAlignment = Microsoft.Office.Interop.Excel.XlHAlign.xlHAlignRight;
        }
    }

    /**/

    /// <summary>
    /// 给单元格赋值2
    /// </summary>
    /// <param name="x">行号</param>
    /// <param name="y">列号</param>
    /// <param name="text">值</param>
    public void setValue(int y, int x, string text)
    {
        Microsoft.Office.Interop.Excel.Range range = sheet.get_Range(this.GetAix(x, y), miss);
        range.set_Value(miss, text);
    }

    /**/

    /// <summary>
    /// 给单元格赋值3
    /// </summary>
    /// <param name="x">行号</param>
    /// <param name="y">列号</param>
    /// <param name="text">值</param>
    /// <param name="font">字符格式</param>
    /// <param name="color">颜色</param>
    public void setValue(int y, int x, string text, System.Drawing.Font font, System.Drawing.Color color)
    {
        this.setValue(x, y, text);
        Microsoft.Office.Interop.Excel.Range range = sheet.get_Range(this.GetAix(x, y), miss);
        range.Font.Size = font.Size;
        range.Font.Bold = font.Bold;
        range.Font.Color = color;
        range.Font.Name = font.Name;
        range.Font.Italic = font.Italic;
        range.Font.Underline = font.Underline;
    }

    /**/

    /// <summary>
    /// 插入新行 将设定行拷贝，然后插入空行，再将设定行粘贴到新行上
    /// </summary>
    /// <param name="y">模板行号</param>
    public void insertRow(int y)
    {
        Microsoft.Office.Interop.Excel.Range range = sheet.get_Range(GetAix(1, y), GetAix(25, y));
        range.Copy(miss);
        range.Insert(Microsoft.Office.Interop.Excel.XlDirection.xlDown, miss);
        range.get_Range(GetAix(1, y), GetAix(25, y));
        range.Select();
        sheet.Paste(miss, miss);

    }

    /**/
    ///// <summary>
    ///// 把剪切内容粘贴到当前区域
    ///// </summary>
    //public void past(int x1, int y1, int x2, int y2, int x3, int y3, int x4, int y4) 
    //{
    //    Microsoft.Office.Interop.Excel.Range range = sheet.get_Range(GetAix(x1, y1), GetAix(x2, y2));
    //    sheet.Paste(sheet.get_Range(this.GetAix(x3, y3), this.GetAix(x4, y4)), range); 
    //} 

    /**/

    /// <summary>
    /// 设置边框
    /// </summary>
    /// <param name="x1"></param>
    /// <param name="y1"></param>
    /// <param name="x2"></param>
    /// <param name="y2"></param>
    /// <param name="Width"></param>
    public void setBorder(int x1, int y1, int x2, int y2, int Width)
    {
        Microsoft.Office.Interop.Excel.Range range = sheet.get_Range(this.GetAix(x1, y1), this.GetAix(x2, y2));
        range.Borders.Weight = Width;
    }

    /**/

    /// <summary>
    /// 合并单元格
    /// </summary>
    /// <param name="x1"></param>
    /// <param name="y1"></param>
    /// <param name="x2"></param>
    /// <param name="y2"></param>
    public void mergeCell(int x1, int y1, int x2, int y2)
    {
        Microsoft.Office.Interop.Excel.Range range = sheet.get_Range(this.GetAix(x1, y1), this.GetAix(x2, y2));
        range.Merge(true);
    }

    /**/

    /// <summary>
    /// 合并单元格，并设置居中方式
    /// </summary>
    /// <param name="x1"></param>
    /// <param name="y1"></param>
    /// <param name="x2"></param>
    /// <param name="y2"></param>
    /// <param name="align">居中方式：center,left,right</param>
    public void mergeCell(int x1, int y1, int x2, int y2, string align)
    {
        Microsoft.Office.Interop.Excel.Range range = sheet.get_Range(this.GetAix(x1, y1), this.GetAix(x2, y2));
        range.Merge(true);
        if (align.ToUpper() == "CENTER")
        {
            range.HorizontalAlignment = Microsoft.Office.Interop.Excel.XlHAlign.xlHAlignCenter;
        }
        if (align.ToUpper() == "LEFT")
        {
            range.HorizontalAlignment = Microsoft.Office.Interop.Excel.XlHAlign.xlHAlignLeft;
        }
        if (align.ToUpper() == "RIGHT")
        {
            range.HorizontalAlignment = Microsoft.Office.Interop.Excel.XlHAlign.xlHAlignRight;
        }
    }

    /**/

    /// <summary>
    /// 获取Range区域
    /// </summary>
    /// <param name="x1"></param>
    /// <param name="y1"></param>
    /// <param name="x2"></param>
    /// <param name="y2"></param>
    /// <returns></returns>
    public Microsoft.Office.Interop.Excel.Range getRange(int x1, int y1, int x2, int y2)
    {
        Microsoft.Office.Interop.Excel.Range range = sheet.get_Range(this.GetAix(x1, y1), this.GetAix(x2, y2));
        return range;
    }

    private object miss = Missing.Value; //忽略的参数OLENULL 
    private Microsoft.Office.Interop.Excel.Application m_objExcel; //Excel应用程序实例 
    private Microsoft.Office.Interop.Excel.Workbooks m_objBooks; //工作表集合 
    private Microsoft.Office.Interop.Excel.Workbook m_objBook; //当前操作的工作表 
    private Microsoft.Office.Interop.Excel.Worksheet sheet; //当前操作的表格 

    /**/

    /// <summary>
    /// 活动工作Sheet
    /// </summary>
    public Microsoft.Office.Interop.Excel.Worksheet CurrentSheet
    {
        get { return sheet; }
        set { this.sheet = value; }
    }

    /**/

    /// <summary>
    /// 获取活动WorkBooks
    /// </summary>
    public Microsoft.Office.Interop.Excel.Workbooks CurrentWorkBooks
    {
        get { return this.m_objBooks; }
        set { this.m_objBooks = value; }
    }

    /**/

    /// <summary>
    /// 获取活动WorkBook
    /// </summary>
    public Microsoft.Office.Interop.Excel.Workbook CurrentWorkBook
    {
        get { return this.m_objBook; }
        set { this.m_objBook = value; }
    }

    /**/

    /// <summary>
    /// 打开Excel文件
    /// </summary>
    /// <param name="filename">路径</param>
    public void OpenExcelFile(string filename)
    {
        UserControl(false);

        m_objExcel.Workbooks.Open(filename, miss, miss, miss, miss, miss, miss, miss,
                                  miss, miss, miss, miss, miss, miss, miss);

        m_objBooks = (Microsoft.Office.Interop.Excel.Workbooks) m_objExcel.Workbooks;

        m_objBook = m_objExcel.ActiveWorkbook;
        sheet = (Microsoft.Office.Interop.Excel.Worksheet) m_objBook.ActiveSheet;
    }

    public void UserControl(bool usercontrol)
    {
        if (m_objExcel == null)
        {
            return;
        }
        m_objExcel.UserControl = usercontrol;
        m_objExcel.DisplayAlerts = usercontrol;
        m_objExcel.Visible = usercontrol;
    }

    /**/

    /// <summary>
    /// 创建Excel文件
    /// </summary>
    public void CreateExceFile()
    {
        UserControl(false);
        m_objBooks = (Microsoft.Office.Interop.Excel.Workbooks) m_objExcel.Workbooks;
        m_objBook = (Microsoft.Office.Interop.Excel.Workbook) (m_objBooks.Add(miss));
        sheet = (Microsoft.Office.Interop.Excel.Worksheet) m_objBook.ActiveSheet;
    }

    /**/

    /// <summary>
    /// Excel文件另存为
    /// </summary>
    /// <param name="FileName"></param>
    public void SaveAs(string FileName)
    {

        m_objBook.SaveAs(FileName, miss, miss, miss, miss,
                         miss, Microsoft.Office.Interop.Excel.XlSaveAsAccessMode.xlNoChange,
                         Microsoft.Office.Interop.Excel.XlSaveConflictResolution.xlLocalSessionChanges,
                         miss, miss, miss, miss);
        //m_objBook.Close(false, miss, miss); 
    }

    /**/

    /// <summary>
    /// 释放Excel文件
    /// </summary>
    public void ReleaseExcel()
    {
        m_objExcel.Quit();
        System.Runtime.InteropServices.Marshal.ReleaseComObject((object) m_objExcel);
        System.Runtime.InteropServices.Marshal.ReleaseComObject((object) m_objBooks);
        System.Runtime.InteropServices.Marshal.ReleaseComObject((object) m_objBook);
        System.Runtime.InteropServices.Marshal.ReleaseComObject((object) sheet);
        m_objExcel = null;
        m_objBooks = null;
        m_objBook = null;
        sheet = null;
        GC.Collect();
    }

    /**/
    /////////////////////////////////
    public bool KillAllExcelApp()
    {
        try
        {
            if (m_objExcel != null) // isRunning是判断xlApp是怎么启动的flag.
            {
                m_objExcel.Quit();
                System.Runtime.InteropServices.Marshal.ReleaseComObject(m_objExcel);
                //释放COM组件，其实就是将其引用计数减1
                //System.Diagnostics.Process theProc;
                foreach (System.Diagnostics.Process theProc in System.Diagnostics.Process.GetProcessesByName("EXCEL"))
                {
                    //先关闭图形窗口。如果关闭失败有的时候在状态里看不到图形窗口的excel了，
                    //但是在进程里仍然有EXCEL.EXE的进程存在，那么就需要杀掉它:p
                    if (theProc.CloseMainWindow() == false)
                    {
                        theProc.Kill();
                    }
                }
                m_objExcel = null;
                return true;
            }
        }
        catch
        {
            return false;
        }
        return true;
    }

    /**/
    /////////////////////////////////////////////

    /// <summary>
    /// 获取一个工作表
    /// </summary>
    /// <param name="SheetName">Sheet名</param>
    /// <returns>Sheet对象</returns>
    public Microsoft.Office.Interop.Excel.Worksheet GetSheet(string SheetName)
    {
        Microsoft.Office.Interop.Excel.Worksheet s =
            (Microsoft.Office.Interop.Excel.Worksheet) m_objBook.Worksheets[SheetName];
        return s;
    }

    /**/

    /// <summary>
    /// 添加一个工作表
    /// </summary>
    /// <param name="SheetName"></param>
    /// <returns></returns>
    public Microsoft.Office.Interop.Excel.Worksheet AddSheetWithReturn(string SheetName)
    {
        Microsoft.Office.Interop.Excel.Worksheet s =
            (Microsoft.Office.Interop.Excel.Worksheet)
            m_objBook.Worksheets.Add(Type.Missing, Type.Missing, Type.Missing, Type.Missing);
        s.Name = SheetName;
        return s;
    }

    /**/

    /// <summary>
    /// 添加一个工作表
    /// </summary>
    public void AddSheet(string SheetName)
    {
        Microsoft.Office.Interop.Excel.Worksheet s =
            (Microsoft.Office.Interop.Excel.Worksheet)
            m_objBook.Worksheets.Add(Type.Missing, Type.Missing, Type.Missing, Type.Missing);
        s.Name = SheetName;

    }

    /**/

    /// <summary>
    /// 删除一个工作表
    /// </summary>
    /// <param name="SheetName"></param>
    public void DelSheet(string SheetName)
    {
        ((Microsoft.Office.Interop.Excel.Worksheet) m_objBook.Worksheets[SheetName]).Delete();
    }

    /**/

    /// <summary>
    /// 重命名工作表
    /// </summary>
    /// <param name="OldSheetName">原名</param>
    /// <param name="NewSheetName">新名</param>
    /// <returns></returns>
    public Microsoft.Office.Interop.Excel.Worksheet ReNameSheet(string OldSheetName, string NewSheetName) //重命名一个工作表一
    {
        Microsoft.Office.Interop.Excel.Worksheet s =
            (Microsoft.Office.Interop.Excel.Worksheet) m_objBook.Worksheets[OldSheetName];
        s.Name = NewSheetName;
        return s;
    }

    public Microsoft.Office.Interop.Excel.Worksheet ReNameSheet(Microsoft.Office.Interop.Excel.Worksheet Sheet,
                                                                string NewSheetName) //重命名一个工作表二
    {

        Sheet.Name = NewSheetName;

        return Sheet;
    }


    /**/

    /// <summary>
    /// 设置单元格值
    /// </summary>
    /// <param name="ws"></param>
    /// <param name="x"></param>
    /// <param name="y"></param>
    /// <param name="value"></param>
    public void SetCellValue(Microsoft.Office.Interop.Excel.Worksheet ws, int x, int y, object value)
    {
        ws.Cells[y, x] = value;
    }

    /**/

    /// <summary>
    /// 设置单元格值
    /// </summary>
    /// <param name="ws">sheet名</param>
    /// <param name="x"></param>
    /// <param name="y"></param>
    /// <param name="value"></param>
    public void SetCellValue(string ws, int x, int y, object value)
    {

        GetSheet(ws).Cells[y, x] = value;
    }


    public void SetCellProperty(Microsoft.Office.Interop.Excel.Worksheet ws, int Startx, int Starty, int Endx, int Endy,
                                int size, string name, Microsoft.Office.Interop.Excel.Constants color,
                                Microsoft.Office.Interop.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 = Microsoft.Office.Interop.Excel.Constants.xlAutomatic;
        HorizontalAlignment = Microsoft.Office.Interop.Excel.Constants.xlRight;
        ws.get_Range(ws.Cells[Starty, Startx], ws.Cells[Endy, Endx]).Font.Name = name;
        ws.get_Range(ws.Cells[Starty, Startx], ws.Cells[Endy, Endx]).Font.Size = size;
        ws.get_Range(ws.Cells[Starty, Startx], ws.Cells[Endy, Endx]).Font.Color = color;
        ws.get_Range(ws.Cells[Starty, Startx], ws.Cells[Endy, Endx]).HorizontalAlignment = HorizontalAlignment;
    }

    /**/

    /// <summary>
    /// 设置单元格属性
    /// </summary>
    /// <param name="wsn">Sheet页名称</param>
    /// <param name="Startx">x1</param>
    /// <param name="Starty">y1</param>
    /// <param name="Endx">x2</param>
    /// <param name="Endy">y2</param>
    /// <param name="size">字体大小</param>
    /// <param name="name">字体名称</param>
    /// <param name="color">字体颜色</param>
    /// <param name="HorizontalAlignment">对齐方式</param>
    public void SetCellProperty(string wsn, int Startx, int Starty, int Endx, int Endy, int size, string name,
                                Microsoft.Office.Interop.Excel.Constants color,
                                Microsoft.Office.Interop.Excel.Constants HorizontalAlignment)
    {
        //name = "宋体";
        //size = 12;
        //color = Excel.Constants.xlAutomatic;
        //HorizontalAlignment = Excel.Constants.xlRight;


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

        ws.get_Range(ws.Cells[Starty, Startx], ws.Cells[Endy, Endx]).HorizontalAlignment = HorizontalAlignment;
    }

    /**/

    /// <summary>
    /// 设置单元格属性
    /// </summary>
    /// <param name="wsn">Sheet页名称</param>
    /// <param name="Startx">x1</param>
    /// <param name="Starty">y1</param>
    /// <param name="Endx">x2</param>
    /// <param name="Endy">y2</param>
    /// <param name="size">字体大小</param>
    /// <param name="name">字体名称</param>
    /// <param name="color">字体颜色名称（系统预定义颜色）</param>
    /// <param name="HorizontalAlignment">对齐方式</param>
    public void SetCellProperty(string wsn, int Startx, int Starty, int Endx, int Endy, int size, string name,
                                string colorName, string HorizontalAlignment)
    {
        //name = "宋体";
        //size = 12;
        //color = Excel.Constants.xlAutomatic;
        //HorizontalAlignment = Excel.Constants.xlRight;


        Microsoft.Office.Interop.Excel.Worksheet ws = GetSheet(wsn);
        ws.get_Range(ws.Cells[Starty, Startx], ws.Cells[Endy, Endx]).Font.Name = name;
        ws.get_Range(ws.Cells[Starty, Startx], ws.Cells[Endy, Endx]).Font.Size = size;

        Color color = Color.FromName(colorName);
        color = Color.FromArgb(color.B, color.G, color.R);

        ws.get_Range(ws.Cells[Starty, Startx], ws.Cells[Endy, Endx]).Font.Color = color.ToArgb();

        if (HorizontalAlignment.ToUpper() == "CENTER")
        {

            ws.get_Range(ws.Cells[Starty, Startx], ws.Cells[Endy, Endx]).HorizontalAlignment =
                Microsoft.Office.Interop.Excel.XlHAlign.xlHAlignCenter;
            ;
        }
        if (HorizontalAlignment.ToUpper() == "LEFT")
        {
            ws.get_Range(ws.Cells[Starty, Startx], ws.Cells[Endy, Endx]).HorizontalAlignment =
                Microsoft.Office.Interop.Excel.XlHAlign.xlHAlignLeft;
        }
        if (HorizontalAlignment.ToUpper() == "RIGHT")
        {
            ws.get_Range(ws.Cells[Starty, Startx], ws.Cells[Endy, Endx]).HorizontalAlignment =
                Microsoft.Office.Interop.Excel.XlHAlign.xlHAlignRight;
        }

    }

    /**/

    /// <summary>
    /// 设置单元格底色
    /// </summary>
    /// <param name="wsn">sheet页名称</param>
    /// <param name="Startx">x1</param>
    /// <param name="Starty">y1</param>
    /// <param name="Endx">x2</param>
    /// <param name="Endy">y2</param>
    /// <param name="colorName">系统颜色名称</param>
    public void SetBorderColor(string wsn, int Startx, int Starty, int Endx, int Endy, string colorName)
    {
        Color color = Color.FromName(colorName);
        color = Color.FromArgb(color.B, color.G, color.R);
        Microsoft.Office.Interop.Excel.Worksheet ws = GetSheet(wsn);
        ws.get_Range(ws.Cells[Starty, Startx], ws.Cells[Endy, Endx]).Cells.Interior.Color = color.ToArgb();
        ws.get_Range(ws.Cells[Starty, Startx], ws.Cells[Endy, Endx]).Cells.Interior.Pattern =
            Microsoft.Office.Interop.Excel.XlBackground.xlBackgroundAutomatic;

    }

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

    }

    //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
    public void InsertTable(System.Data.DataTable dt, string ws, int startX, int startY)
    {

        for (int i = 0; i < dt.Rows.Count; i++)
        {
            for (int j = 0; j < dt.Columns.Count; j++)
            {
                try
                {
                    GetSheet(ws).Cells[startY + i, j + startX] = Convert.ToString(dt.Rows[i][j].ToString());
                }
                catch (Exception ex)
                {
                }
            }

        }

    }

    //将内存中数据表格插入到Excel指定工作表的指定位置二
    public void InsertTable(System.Data.DataTable dt, Microsoft.Office.Interop.Excel.Worksheet ws, int startX,
                            int startY)
    {
        for (int i = 0; i < dt.Rows.Count; i++)
        {
            for (int j = 0; j < dt.Columns.Count; j++)
            {

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

            }

        }

    }

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

    }

    //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;
    //}

}