EXCEL導(dǎo)出數(shù)據(jù)報(bào)表幫助類
創(chuàng)建一個(gè)Excel示例
將DataTable的數(shù)據(jù)導(dǎo)出顯示為報(bào)表
結(jié)束Excel進(jìn)程
將DataTable的數(shù)據(jù)導(dǎo)出顯示為報(bào)表(不使用Excel對(duì)象)
清理過(guò)時(shí)的Excel文件
using System;
using System.Diagnostics;
using System.Collections;
using System.Data;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using Excel;
namespace Jsons.cn
{
/// <summary>
/// 操作EXCEL導(dǎo)出數(shù)據(jù)報(bào)表的類
/// </summary>
public class DataToExcel
{
public DataToExcel()
{
}
#region 操作EXCEL的一個(gè)類(需要Excel.dll支持)
private int titleColorindex = 15;
/// <summary>
/// 標(biāo)題背景色
/// </summary>
public int TitleColorIndex
{
set { titleColorindex = value; }
get { return titleColorindex; }
}
private DateTime beforeTime; //Excel啟動(dòng)之前時(shí)間
private DateTime afterTime; //Excel啟動(dòng)之后時(shí)間
#region 創(chuàng)建一個(gè)Excel示例
/// <summary>
/// 創(chuàng)建一個(gè)Excel示例
/// </summary>
public void CreateExcel()
{
Excel.Application excel = new Excel.Application();
excel.Application.Workbooks.Add(true);
excel.Cells[1, 1] = "第1行第1列";
excel.Cells[1, 2] = "第1行第2列";
excel.Cells[2, 1] = "第2行第1列";
excel.Cells[2, 2] = "第2行第2列";
excel.Cells[3, 1] = "第3行第1列";
excel.Cells[3, 2] = "第3行第2列";
//保存
excel.ActiveWorkbook.SaveAs("./tt.xls", XlFileFormat.xlExcel9795, null, null, false, false,
Excel.XlSaveAsAccessMode.xlNoChange, null, null, null, null, null);
//打開(kāi)顯示
excel.Visible = true;
// excel.Quit();
// excel=null;
// GC.Collect();//垃圾回收
}
#endregion
#region 將DataTable的數(shù)據(jù)導(dǎo)出顯示為報(bào)表
/// <summary>
/// 將DataTable的數(shù)據(jù)導(dǎo)出顯示為報(bào)表
/// </summary>
/// <param name="dt">要導(dǎo)出的數(shù)據(jù)</param>
/// <param name="strTitle">導(dǎo)出報(bào)表的標(biāo)題</param>
/// <param name="FilePath">保存文件的路徑</param>
/// <returns></returns>
public string OutputExcel(System.Data.DataTable dt, string strTitle, string FilePath)
{
beforeTime = DateTime.Now;
Excel.Application excel;
Excel._Workbook xBk;
Excel._Worksheet xSt;
int rowIndex = 4;
int colIndex = 1;
excel = new Excel.ApplicationClass();
xBk = excel.Workbooks.Add(true);
xSt = (Excel._Worksheet)xBk.ActiveSheet;
//取得列標(biāo)題
foreach (DataColumn col in dt.Columns)
{
colIndex ;
excel.Cells[4, colIndex] = col.ColumnName;
//設(shè)置標(biāo)題格式為居中對(duì)齊
xSt.get_Range(excel.Cells[4, colIndex], excel.Cells[4, colIndex]).Font.Bold = true;
xSt.get_Range(excel.Cells[4, colIndex], excel.Cells[4, colIndex]).HorizontalAlignment =
Excel.XlVAlign.xlVAlignCenter;
xSt.get_Range(excel.Cells[4, colIndex], excel.Cells[4, colIndex]).Select();
xSt.get_Range(excel.Cells[4, colIndex], excel.Cells[4, colIndex]).Interior.ColorIndex =
titleColorindex;//19;//設(shè)置為淺黃色，共計(jì)有56種
}
//取得表格中的數(shù)據(jù)
foreach (DataRow row in dt.Rows)
{
rowIndex ;
colIndex = 1;
foreach (DataColumn col in dt.Columns)
{
colIndex ;
if (col.DataType == System.Type.GetType("System.DateTime"))
{
excel.Cells[rowIndex, colIndex] = (Convert.ToDateTime(row[col.ColumnName].ToString())).ToString
("yyyy-MM-dd");
xSt.get_Range(excel.Cells[rowIndex, colIndex], excel.Cells[rowIndex, colIndex]).HorizontalAlignment
= Excel.XlVAlign.xlVAlignCenter;//設(shè)置日期型的字段格式為居中對(duì)齊
}
else
if (col.DataType == System.Type.GetType("System.String"))
{
excel.Cells[rowIndex, colIndex] = "'" row[col.ColumnName].ToString();
xSt.get_Range(excel.Cells[rowIndex, colIndex], excel.Cells[rowIndex,
colIndex]).HorizontalAlignment = Excel.XlVAlign.xlVAlignCenter;//設(shè)置字符型的字段格式為居中對(duì)齊
}
else
{
excel.Cells[rowIndex, colIndex] = row[col.ColumnName].ToString();
}
}
}
//加載一個(gè)合計(jì)行
int rowSum = rowIndex 1;
int colSum = 2;
excel.Cells[rowSum, 2] = "合計(jì)";
xSt.get_Range(excel.Cells[rowSum, 2], excel.Cells[rowSum, 2]).HorizontalAlignment =
Excel.XlHAlign.xlHAlignCenter;
//設(shè)置選中的部分的顏色
xSt.get_Range(excel.Cells[rowSum, colSum], excel.Cells[rowSum, colIndex]).Select();
//xSt.get_Range(excel.Cells[rowSum,colSum],excel.Cells[rowSum,colIndex]).Interior.ColorIndex
=Assistant.GetConfigInt("ColorIndex");// 1;//設(shè)置為淺黃色，共計(jì)有56種
//取得整個(gè)報(bào)表的標(biāo)題
excel.Cells[2, 2] = strTitle;
//設(shè)置整個(gè)報(bào)表的標(biāo)題格式
xSt.get_Range(excel.Cells[2, 2], excel.Cells[2, 2]).Font.Bold = true;
xSt.get_Range(excel.Cells[2, 2], excel.Cells[2, 2]).Font.Size = 22;
//設(shè)置報(bào)表表格為最適應(yīng)寬度
xSt.get_Range(excel.Cells[4, 2], excel.Cells[rowSum, colIndex]).Select();
xSt.get_Range(excel.Cells[4, 2], excel.Cells[rowSum, colIndex]).Columns.AutoFit();
//設(shè)置整個(gè)報(bào)表的標(biāo)題為跨列居中
xSt.get_Range(excel.Cells[2, 2], excel.Cells[2, colIndex]).Select();
xSt.get_Range(excel.Cells[2, 2], excel.Cells[2, colIndex]).HorizontalAlignment =
Excel.XlHAlign.xlHAlignCenterAcrossSelection;
//繪制邊框
xSt.get_Range(excel.Cells[4, 2], excel.Cells[rowSum, colIndex]).Borders.LineStyle = 1;
xSt.get_Range(excel.Cells[4, 2], excel.Cells[rowSum, 2]).Borders[Excel.XlBordersIndex.xlEdgeLeft].Weight =
Excel.XlBorderWeight.xlThick;//設(shè)置左邊線加粗
xSt.get_Range(excel.Cells[4, 2], excel.Cells[4, colIndex]).Borders[Excel.XlBordersIndex.xlEdgeTop].Weight =
Excel.XlBorderWeight.xlThick;//設(shè)置上邊線加粗
xSt.get_Range(excel.Cells[4, colIndex], excel.Cells[rowSum, colIndex]).Borders
[Excel.XlBordersIndex.xlEdgeRight].Weight = Excel.XlBorderWeight.xlThick;//設(shè)置右邊線加粗
xSt.get_Range(excel.Cells[rowSum, 2], excel.Cells[rowSum, colIndex]).Borders
[Excel.XlBordersIndex.xlEdgeBottom].Weight = Excel.XlBorderWeight.xlThick;//設(shè)置下邊線加粗
afterTime = DateTime.Now;
//顯示效果
//excel.Visible=true;
//excel.Sheets[0] = "sss";
ClearFile(FilePath);
string filename = DateTime.Now.ToString("yyyyMMddHHmmssff") ".xls";
excel.ActiveWorkbook.SaveAs(FilePath filename, Excel.XlFileFormat.xlExcel9795, null, null, false, false,
Excel.XlSaveAsAccessMode.xlNoChange, null, null, null, null, null);
//wkbNew.SaveAs strBookName;
//excel.Save(strExcelFileName);
#region 結(jié)束Excel進(jìn)程
//需要對(duì)Excel的DCOM對(duì)象進(jìn)行配置:dcomcnfg
//excel.Quit();
//excel=null;
xBk.Close(null, null, null);
excel.Workbooks.Close();
excel.Quit();
//注意：這里用到的所有Excel對(duì)象都要執(zhí)行這個(gè)操作，否則結(jié)束不了Excel進(jìn)程
// if(rng != null)
// {
// System.Runtime.InteropServices.Marshal.ReleaseComObject(rng);
// rng = null;
// }
// if(tb != null)
// {
// System.Runtime.InteropServices.Marshal.ReleaseComObject(tb);
// tb = null;
// }
if (xSt != null)
{
System.Runtime.InteropServices.Marshal.ReleaseComObject(xSt);
xSt = null;
}
if (xBk != null)
{
System.Runtime.InteropServices.Marshal.ReleaseComObject(xBk);
xBk = null;
}
if (excel != null)
{
System.Runtime.InteropServices.Marshal.ReleaseComObject(excel);
excel = null;
}
GC.Collect();//垃圾回收
#endregion
return filename;
}
#endregion
#region Kill Excel進(jìn)程
/// <summary>
/// 結(jié)束Excel進(jìn)程
/// </summary>
public void KillExcelProcess()
{
Process[] myProcesses;
DateTime startTime;
myProcesses = Process.GetProcessesByName("Excel");
//得不到Excel進(jìn)程ID，暫時(shí)只能判斷進(jìn)程啟動(dòng)時(shí)間
foreach (Process myProcess in myProcesses)
{
startTime = myProcess.StartTime;
if (startTime > beforeTime && startTime < afterTime)
{
myProcess.Kill();
}
}
}
#endregion
#endregion
#region 將DataTable的數(shù)據(jù)導(dǎo)出顯示為報(bào)表(不使用Excel對(duì)象，使用COM.Excel)
#region 使用示例
/*使用示例：
* DataSet ds=(DataSet)Session["AdBrowseHitDayList"];
string ExcelFolder=Assistant.GetConfigString("ExcelFolder");
string FilePath=Server.MapPath(".") "\\" ExcelFolder "\\";
//生成列的中文對(duì)應(yīng)表
Hashtable nameList = new Hashtable();
nameList.Add("ADID", "廣告編碼");
nameList.Add("ADName", "廣告名稱");
nameList.Add("year", "年");
nameList.Add("month", "月");
nameList.Add("browsum", "顯示數(shù)");
nameList.Add("hitsum", "點(diǎn)擊數(shù)");
nameList.Add("BrowsinglIP", "獨(dú)立IP顯示");
nameList.Add("HitsinglIP", "獨(dú)立IP點(diǎn)擊");
//利用excel對(duì)象
DataToExcel dte=new DataToExcel();
string filename="";
try
{
if(ds.Tables[0].Rows.Count>0)
{
filename=dte.DataExcel(ds.Tables[0],"標(biāo)題",FilePath,nameList);
}
}
catch
{
//dte.KillExcelProcess();
}
if(filename!="")
{
Response.Redirect(ExcelFolder "\\" filename,true);
}
*
* */
#endregion
/// <summary>
/// 將DataTable的數(shù)據(jù)導(dǎo)出顯示為報(bào)表(不使用Excel對(duì)象)
/// </summary>
/// <param name="dt">數(shù)據(jù)DataTable</param>
/// <param name="strTitle">標(biāo)題</param>
/// <param name="FilePath">生成文件的路徑</param>
/// <param name="nameList"></param>
/// <returns></returns>
public string DataExcel(System.Data.DataTable dt, string strTitle, string FilePath, Hashtable nameList)
{
COM.Excel.cExcelFile excel = new COM.Excel.cExcelFile();
ClearFile(FilePath);
string filename = DateTime.Now.ToString("yyyyMMddHHmmssff") ".xls";
excel.CreateFile(FilePath filename);
excel.PrintGridLines = false;
COM.Excel.cExcelFile.MarginTypes mt1 = COM.Excel.cExcelFile.MarginTypes.xlsTopMargin;
COM.Excel.cExcelFile.MarginTypes mt2 = COM.Excel.cExcelFile.MarginTypes.xlsLeftMargin;
COM.Excel.cExcelFile.MarginTypes mt3 = COM.Excel.cExcelFile.MarginTypes.xlsRightMargin;
COM.Excel.cExcelFile.MarginTypes mt4 = COM.Excel.cExcelFile.MarginTypes.xlsBottomMargin;
double height = 1.5;
excel.SetMargin(ref mt1, ref height);
excel.SetMargin(ref mt2, ref height);
excel.SetMargin(ref mt3, ref height);
excel.SetMargin(ref mt4, ref height);
COM.Excel.cExcelFile.FontFormatting ff = COM.Excel.cExcelFile.FontFormatting.xlsNoFormat;
string font = "宋體";
short fontsize = 9;
excel.SetFont(ref font, ref fontsize, ref ff);
byte b1 = 1,
b2 = 12;
short s3 = 12;
excel.SetColumnWidth(ref b1, ref b2, ref s3);
string header = "頁(yè)眉";
string footer = "頁(yè)腳";
excel.SetHeader(ref header);
excel.SetFooter(ref footer);
COM.Excel.cExcelFile.ValueTypes vt = COM.Excel.cExcelFile.ValueTypes.xlsText;
COM.Excel.cExcelFile.CellFont cf = COM.Excel.cExcelFile.CellFont.xlsFont0;
COM.Excel.cExcelFile.CellAlignment ca = COM.Excel.cExcelFile.CellAlignment.xlsCentreAlign;
COM.Excel.cExcelFile.CellHiddenLocked chl = COM.Excel.cExcelFile.CellHiddenLocked.xlsNormal;
// 報(bào)表標(biāo)題
int cellformat = 1;
// int rowindex = 1,colindex = 3;
// object title = (object)strTitle;
// excel.WriteValue(ref vt, ref cf, ref ca, ref chl,ref rowindex,ref colindex,ref title,ref
cellformat);
int rowIndex = 1;//起始行
int colIndex = 0;
//取得列標(biāo)題
foreach (DataColumn colhead in dt.Columns)
{
colIndex ;
string name = colhead.ColumnName.Trim();
object namestr = (object)name;
IDictionaryEnumerator Enum = nameList.GetEnumerator();
while (Enum.MoveNext())
{
if (Enum.Key.ToString().Trim() == name)
{
namestr = Enum.Value;
}
}
excel.WriteValue(ref vt, ref cf, ref ca, ref chl, ref rowIndex, ref colIndex, ref namestr, ref cellformat);
}
//取得表格中的數(shù)據(jù)
foreach (DataRow row in dt.Rows)
{
rowIndex ;
colIndex = 0;
foreach (DataColumn col in dt.Columns)
{
colIndex ;
if (col.DataType == System.Type.GetType("System.DateTime"))
{
object str = (object)(Convert.ToDateTime(row[col.ColumnName].ToString())).ToString("yyyy-MM-dd"); ;
excel.WriteValue(ref vt, ref cf, ref ca, ref chl, ref rowIndex, ref colIndex, ref str, ref
cellformat);
}
else
{
object str = (object)row[col.ColumnName].ToString();
excel.WriteValue(ref vt, ref cf, ref ca, ref chl, ref rowIndex, ref colIndex, ref str, ref
cellformat);
}
}
}
int ret = excel.CloseFile();
// if(ret!=0)
// {
// //MessageBox.Show(this,"Error!");
// }
// else
// {
// //MessageBox.Show(this,"請(qǐng)打開(kāi)文件c:\\test.xls!");
// }
return filename;
}
#endregion
#region 清理過(guò)時(shí)的Excel文件
private void ClearFile(string FilePath)
{
String[] Files = System.IO.Directory.GetFiles(FilePath);
if (Files.Length > 10)
{
for (int i = 0; i < 10; i )
{
try
{
System.IO.File.Delete(Files[i]);
}
catch
{
}
}
}
}
#endregion
}
}
原文鏈接：EXCEL導(dǎo)出數(shù)據(jù)報(bào)表幫助類