如何编写asp.net导出Excel类库代码
复制代码 代码如下:
using System;
using System.Collections.Generic;
using System.Reflection;
using System.Web;
using Excel = Microsoft.Office.Interop.Excel;
///
///ExcelClass 的摘要说明
///
public class ExcelClass
{
///
/// 构建ExcelClass类
///
public ExcelClass()
{
this.m_objExcel = new Excel.Application();
}
///
/// 构建ExcelClass类
///
/// Excel.Application
public ExcelClass(Excel.Application objExcel)
{
this.m_objExcel = objExcel;
}
///
/// 列标号
///
private string AList = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
///
/// 获取描述区域的字符
///
///
///
///
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;
}
///
/// 给单元格赋值1
///
/// 行号
/// 列号
/// 对齐（CENTER、LEFT、RIGHT）
/// 值
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;
}
}
///
/// 给单元格赋值2
///
/// 行号
/// 列号
/// 值
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);
}
///
/// 给单元格赋值3
///
/// 行号
/// 列号
/// 值
/// 字符格式
/// 颜色
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;
}
///
/// 插入新行
///
/// 模板行号
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);
}
///
/// 把剪切内容粘贴到当前区域
///
public void past()
{
string s = "a,b,c,d,e,f,g";
sheet.Paste(sheet.get_Range(this.GetAix(10, 10), miss), s);
}
///
/// 设置边框
///
///
///
///
///
///
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;
}
}
///
/// 打开Excel文件
///
/// 路径
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;
}
}
///
/// 点击打印按钮事件
///
///
///
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(),"");
}
}