asp.net导出Excel类库

using System;
using System.Collections.Generic;

using System.Reflection;

using System.Web;

using Excel = Microsoft.Office.Interop.Excel;

/// <summary>

///ExcelClass 的摘要说明

/// </summary>

public class ExcelClass

{

  

    /// <summary>

    /// 构建ExcelClass类

    /// </summary>

    public ExcelClass()

    {

        this.m_objExcel = new Excel.Application();

    }

    /// <summary>

    /// 构建ExcelClass类

    /// </summary>

    /// <param name="objExcel">Excel.Application</param>

    public ExcelClass(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>

    /// 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)

    {

        Excel.Range range = sheet.get_Range(this.GetAix(x, y), miss);

        range.set_Value(miss, text);

        if (align.ToUpper() == "CENTER")

        {

            range.HorizontalAlignment = Excel.XlHAlign.xlHAlignCenter;

        }

        if (align.ToUpper() == "LEFT")

        {

            range.HorizontalAlignment = Excel.XlHAlign.xlHAlignLeft;

        }

        if (align.ToUpper() == "RIGHT")

        {

            range.HorizontalAlignment = 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)

    {

        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);

        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

    /// </summary>

    /// <param name="y">模板行号</param>

    public void insertRow(int y)

    {

        Excel.Range range = sheet.get_Range(GetAix(1, y), GetAix(25, y));

        range.Copy(miss);

        range.Insert(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()

    {

        string s = "a,b,c,d,e,f,g";

        sheet.Paste(sheet.get_Range(this.GetAix(10, 10), miss), s);

    }

    /// <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)

    {

        Excel.Range range = sheet.get_Range(this.GetAix(x1, y1), miss);

((Excel.Range)range.Cells[x1, y1]).ColumnWidth = Width;

    }

    public void mergeCell(int x1, int y1, int x2, int y2)

    {

        Excel.Range range = sheet.get_Range(this.GetAix(x1, y1), this.GetAix(x2, y2));

        range.Merge(true);

    }

public Excel.Range getRange(int x1, int y1, int x2, int y2)

    {

        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 Excel.Application m_objExcel;//Excel应用程序实例 

    private Excel.Workbooks m_objBooks;//工作表集合 

    private Excel.Workbook m_objBook;//当前操作的工作表 

    private Excel.Worksheet sheet;//当前操作的表格

public Excel.Worksheet CurrentSheet

    {

        get

        {

            return sheet;

        }

        set

        {

            this.sheet = value;

        }

    }

public Excel.Workbooks CurrentWorkBooks

    {

        get

        {

            return this.m_objBooks;

        }

        set

        {

            this.m_objBooks = value;

        }

    }

public 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 = (Excel.Workbooks)m_objExcel.Workbooks;

m_objBook = m_objExcel.ActiveWorkbook;

        sheet = (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;

    }

    public void CreateExceFile()

    {

        UserControl(false);

        m_objBooks = (Excel.Workbooks)m_objExcel.Workbooks;

        m_objBook = (Excel.Workbook)(m_objBooks.Add(miss));

        sheet = (Excel.Worksheet)m_objBook.ActiveSheet;

    }

    public void SaveAs(string FileName)

    {

         m_objBook.SaveAs(FileName, miss, miss, miss, miss,

         miss, Excel.XlSaveAsAccessMode.xlNoChange,

         Excel.XlSaveConflictResolution.xlLocalSessionChanges,

         miss, miss, miss, miss);

        //m_objBook.Close(false, miss, miss); 

    }

    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>

    /// 点击打印按钮事件

    /// </summary>

    /// <param name="sender"></param>

    /// <param name="e"></param>

    protected void Sendbu_Click(object sender, EventArgs e)

    {

        try

        {          

            //查找部门分类用户

            DataTable Duser = EduOA.DBUtility.DbHelperSQL.Query("select count(*) as count,d.Id as DId FROM OA_User u,OA_Department d where u.DepartmentID=d.Id  group by d.Id").Tables[0];

ExcelClass Ec = new ExcelClass();//创建Excel操作类对象

int Ycount = 1;

Ec.CreateExceFile();//创建Excel文件

Ec.setValue(Ycount, 1, "CENTER", "组织部门");

            Ec.setValue(Ycount, 2, "CENTER", "姓名");

            Ec.setValue(Ycount, 3, "CENTER", "性别");

            Ec.setValue(Ycount, 4, "CENTER", "职位");

            Ec.setValue(Ycount, 5, "CENTER", "移动电话");

            Ec.setValue(Ycount, 6, "CENTER", "电话");

            Ec.setValue(Ycount, 7, "CENTER", "电子邮箱");

Ec.setBorder(1, 1, 1, 1, 50);

            Ec.setBorder(1, 2, 2, 2, 20);

            Ec.setBorder(1, 5, 5, 5, 20);

            Ec.setBorder(1, 6, 6, 6, 20);

            Ec.setBorder(1, 7, 7, 7, 20);

for (int i = 0; i < Duser.Rows.Count; i++)

            {

                Ycount += 1;

                Ec.setValue(Ycount, 1, "CENTER", Common.DeleteHtml(Getdept(Duser.Rows[i]["count"], Duser.Rows[i]["DId"])));

                DataTable dtuser = GetData(Duser.Rows[i]["DId"]);

                for (int k = 0; k < dtuser.Rows.Count; k++)

                {

                    Ec.setValue(Ycount, 2, "CENTER", dtuser.Rows[k]["TrueName"].ToString());

                    Ec.setValue(Ycount, 3, "CENTER", dtuser.Rows[k]["sex"].ToString());

                    Ec.setValue(Ycount, 4, "CENTER", dtuser.Rows[k]["PositionId"].ToString());

                    Ec.setValue(Ycount, 5, "CENTER", dtuser.Rows[k]["Telephone"].ToString());

                    Ec.setValue(Ycount, 6, "CENTER", dtuser.Rows[k]["Mobile"].ToString());

                    Ec.setValue(Ycount, 7, "CENTER", dtuser.Rows[k]["Email"].ToString());

                    Ycount += 1;

                }

            }

            string path = Server.MapPath("Contactfiles\\");

            Ec.SaveAs(path+"通讯录.xlsx");

//*******释放Excel资源***********

            Ec.ReleaseExcel();

Response.Redirect("Contactfiles/通讯录.xlsx");            

        }

        catch (Exception ex)

        {

            PageError("导出出错！"+ex.ToString(),"");

        }

    }