csharp: Export or Import excel using MyXls
excel 2003 (效果不太理想)
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using org.in2bits.MyXls;
using org.in2bits.MyXls.ByteUtil;
using System.IO;
using Directory = org.in2bits.MyOle2.Directory;
using NUnit.Framework;
using org.in2bits.MyOle2;
using System.Diagnostics;
namespace MyxlsDemo
{
/// <summary>
/// 涂聚文
/// 20150730
/// 效果不太理想.
/// </summary>
public partial class Form2 : Form
{
string strFileUrl = "";
/// <summary>
///
/// </summary>
/// <returns></returns>
DataSet setData()
{
//Create an Emplyee DataTable
DataTable employeeTable = new DataTable("Employee");
employeeTable.Columns.Add("Employee ID");
employeeTable.Columns.Add("Employee Name");
employeeTable.Rows.Add("1", "涂聚文");
employeeTable.Rows.Add("2", "geovindu");
employeeTable.Rows.Add("3", "李蘢怡");
employeeTable.Rows.Add("4", "ноппчц");
employeeTable.Rows.Add("5", "ニヌネハヒフキカォноппчц");
//Create a Department Table
DataTable departmentTable = new DataTable("Department");
departmentTable.Columns.Add("Department ID");
departmentTable.Columns.Add("Department Name");
departmentTable.Rows.Add("1", "IT");
departmentTable.Rows.Add("2", "HR");
departmentTable.Rows.Add("3", "Finance");
//Create a DataSet with the existing DataTables
DataSet ds = new DataSet("Organization");
ds.Tables.Add(employeeTable);
ds.Tables.Add(departmentTable);
return ds;
}
/// <summary>
///
/// </summary>
public Form2()
{
InitializeComponent();
}
/// <summary>
///
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Form2_Load(object sender, EventArgs e)
{
this.dataGridView1.DataSource = setData().Tables[0];
}
/// <summary>
/// Excel 2003
/// 涂聚文
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnFile_Click(object sender, EventArgs e)
{
try
{
//bool imail = false;
this.Cursor = Cursors.WaitCursor;
openFileDialog1.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.Desktop);
//JPEG Files (*.jpeg)|*.jpeg|PNG Files (*.png)|*.png|JPG Files (*.jpg)|*.jpg|GIF Files (*.gif)|*.gif
openFileDialog1.Filter = "Excel 2000-2003 files(*.xls)|*.xls|Excel 2007 files (*.xlsx)|*.xlsx";//|(*.xlsx)|*.xlsx Image Files(*.BMP;*.JPG;*.GIF)|*.BMP;*.JPG;*.GIF|All files (*.*)|*.* txt files (*.txt)|*.txt|All files (*.*)|*.*"
openFileDialog1.FilterIndex = 2;
openFileDialog1.RestoreDirectory = true;
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
if (!openFileDialog1.FileName.Equals(String.Empty))
{
//重新加载清除数据
//this.combSheet.DataSource = null;
//if (this.combSheet.Items.Count != 0)
//{
// this.combSheet.Items.Clear();
//}
FileInfo f = new FileInfo(openFileDialog1.FileName);
if (f.Extension.Equals(".xls") || f.Extension.Equals(".XLS") || f.Extension.Equals(".xlsx"))
{
this.Cursor = Cursors.WaitCursor;
strFileUrl = openFileDialog1.SafeFileName;
this.txtFileUrl.Text = openFileDialog1.FileName;
string currentfilename = openFileDialog1.FileName;
this.txtFileUrl.Text = currentfilename;
XlsDocument xls = new XlsDocument(currentfilename);
DataTable com = new DataTable();
com.Columns.Add("id", typeof(int));
com.Columns.Add("name", typeof(string));
// xls.FileName = currentfilename;
for(int id = 0; id < xls.Workbook.Worksheets.Count; id++)
{
com.Rows.Add(id,xls.Workbook.Worksheets[id].Name);
}
this.combSheet.DataSource = com;
this.combSheet.DisplayMember = "name";
this.combSheet.ValueMember = "id";
Worksheet sheet = xls.Workbook.Worksheets[0];
DataTable dt = new DataTable();
//xls.Workbook.Worksheets[0].Name.ToString();
int i = 0;
int FirstRow = (int)sheet.Rows.MinRow;
if (i == 0)
{
//write data in every cell in the first row in the first worksheet as the column header(note: in order to write data from xls document in DataTable)
for (int j = 1; j < sheet.Rows[1].CellCount + 1; j++)
{
string ColumnName = Convert.ToString(sheet.Rows[1].GetCell(ushort.Parse(j.ToString())).Value);
DataColumn column = new DataColumn(ColumnName);
dt.Columns.Add(column);
}
FirstRow++;
}
// write data(not including column header) in datatable rows in sequence
for (int k = FirstRow; k < sheet.Rows.MaxRow + 1; k++)
{
Row row = sheet.Rows[ushort.Parse(k.ToString())];
DataRow dataRow = dt.NewRow();
for (int z = 1; z < sheet.Rows[ushort.Parse(k.ToString())].CellCount + 1; z++)
{
// write data in the current cell if it exists
if (row.GetCell(ushort.Parse(z.ToString())) != null)
{
dataRow[z - 1] = row.GetCell(ushort.Parse(z.ToString())).Value.ToString();
}
}
dt.Rows.Add(dataRow);
}
this.dataGridView1.DataSource = dt;
this.Cursor = Cursors.Default;
}
else
{
MessageBox.Show("错添文件类型");
}
}
else
{
MessageBox.Show("你要选择一下精确位置的文件");
}
}
}
catch (Exception ex)
{
ex.Message.ToString();
}
this.Cursor = Cursors.Default;
}
/// <summary>
///
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnImport_Click(object sender, EventArgs e)
{
}
/// <summary>
///
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void buttonExport_Click(object sender, EventArgs e)
{
ExportEasy(setData().Tables[0], "ex.xls");
}
/// <summary>
/// 导出
/// </summary>
/// <param name="dtSource"></param>
/// <param name="strFileName"></param>
public static void ExportEasy(DataTable dtSource, string strFileName)
{
try
{
XlsDocument xls = new XlsDocument();
Worksheet sheet = xls.Workbook.Worksheets.Add("Sheet1");
//填充表头
foreach (DataColumn col in dtSource.Columns)
{
sheet.Cells.Add(1, col.Ordinal + 1, col.ColumnName);
}
//填充内容
for (int i = 0; i < dtSource.Rows.Count; i++)
{
for (int j = 0; j < dtSource.Columns.Count; j++)
{
sheet.Cells.Add(i + 2, j + 1, dtSource.Rows[i][j].ToString());
}
}
//保存
xls.FileName = strFileName;
xls.Save();
}
catch (Exception ex)
{
ex.Message.ToString();
}
}
}
}