C# 获取文件信息并导出Excel，Xml报表

using System;

using System.Data;

using System.Linq;

using System.Windows.Forms;

using Excel = Microsoft.Office.Interop.Excel;

// 添加引用 -> .NET -> Microsoft.Office.Interop.Excel(2003->11.0, 2007->12.0)
namespace WinFormTable

{

    static class ClassSchema

    {

        #region DataTable.PrintToExcel

        public static void PrintToExcel(this System.Data.DataTable table, string caption, params string[] columns)

        {

            Excel.Application xls = new Excel.Application();

            try

            {

                Excel.Workbook book = xls.Workbooks.Add(Excel.XlWBATemplate.xlWBATWorksheet);

                Excel.Worksheet sheet = book.ActiveSheet as Excel.Worksheet;

                xls.Visible = true; // 显示Excel工作薄。

                book.Password = "jinzhexian"; // 设置密码。

                sheet.Name = caption; // 设置Excel工作表名。

                sheet.get_Range("C4", Type.Missing).EntireColumn.NumberFormat = "#,##0.00";

                sheet.get_Range("D4", Type.Missing).EntireColumn.NumberFormat = "yyyy-MM-dd HH:mm:ss";

                Excel.Range range = sheet.get_Range("B1", Type.Missing).get_Resize(2, table.Columns.Count);

                range.MergeCells = true; // 合并单元格。

                range.Font.Size = 16; // 设置字体大小。

                range.HorizontalAlignment = Excel.XlHAlign.xlHAlignCenter; // 文本水平居中。

                range.Value2 = caption; // 设置标题。

                range = range.get_Offset(1, 0).get_Resize(1, table.Columns.Count);

                range.HorizontalAlignment = Excel.XlHAlign.xlHAlignCenter; // 文本水平居中。

                range.Value2 = columns; // 设置列标题。

                foreach (DataRow row in table.Rows)

                {

                    range = range.get_Offset(1, 0);

                    range.Value2 = row.ItemArray;

                }

                range = range.get_Offset(2, 0);

                range.MergeCells = true; // 合并单元格。

                range.HorizontalAlignment = Excel.XlHAlign.xlHAlignCenter; // 文本水平居中。

                range.Value2 = string.Format("打印日期: {0:yyyy'年'M'月'd'日'}", DateTime.Today);

                range.EntireColumn.AutoFit(); // 自动调整列宽。

                sheet.get_Range("A4", Type.Missing).Select();

                xls.SendKeys("%WFF", true); // 冻结拆分窗格 Microsoft Office 2003(%WF), 2007(%WFF)。

            }

            catch

            {

                xls.Quit();

            }

            finally

            {

                xls = null;

                GC.Collect();

            }

        }

        #endregion

        #region DataGridView.PrintToExcel

        public static void PrintToExcel(this DataGridView gridView, string caption)

        {

            Excel.Application xls = new Excel.Application();

            try

            {

                Excel.Workbook book = xls.Workbooks.Add(Excel.XlWBATemplate.xlWBATWorksheet);

                Excel.Worksheet sheet = book.ActiveSheet as Excel.Worksheet;

                xls.Visible = true;

                book.Password = "jinzhexian";

                sheet.Name = caption; // 工作表名。

                Excel.Range range = sheet.get_Range("B1", Type.Missing).get_Resize(2, gridView.ColumnCount);

                range.MergeCells = true; // 合并单元格。

                range.Font.Size = 16;

                range.HorizontalAlignment = Excel.XlHAlign.xlHAlignCenter; // 文本水平居中。

                range.Value2 = caption; // 表标题。

                range = range.get_Offset(1, 0).get_Resize(1, gridView.ColumnCount);

                range.HorizontalAlignment = Excel.XlHAlign.xlHAlignCenter; // 文本水平居中。

                range.Value2 = gridView.Columns.Cast<DataGridViewColumn>().Select(sm => sm.HeaderText).ToArray(); // 列标题。

                foreach (DataGridViewRow row in gridView.Rows)

                {

                    range = range.get_Offset(1, 0);

                    range.Value2 = row.Cells.Cast<DataGridViewCell>().Select(sm => sm.FormattedValue).ToArray();

                }

                range = range.get_Offset(2, 0);

                range.MergeCells = true; // 合并单元格。

                range.HorizontalAlignment = Excel.XlHAlign.xlHAlignCenter; // 文本水平居中。

                range.Value2 = string.Format("打印日期: {0:yyyy'年'M'月'd'日'}", DateTime.Today);

                range.EntireColumn.AutoFit(); // 自动调整列宽。

                sheet.get_Range("A4", Type.Missing).Select();

                xls.SendKeys("%WFF", true); // 冻结拆分窗格 Microsoft Office 2003(%WF), 2007(%WFF)。

            }

            catch

            {

                xls.Quit();

            }

            finally

            {

                xls = null;

                GC.Collect();

            }

        }

        #endregion

    }

}

using System;

using System.Data;

using System.Drawing;

using System.Globalization;

using System.IO;

using System.Windows.Forms;

// 添加引用 -> .NET -> Microsoft.Office.Interop.Excel(2003->11.0, 2007->12.0)

namespace WinFormTable

{

    public partial class FormTable : Form

    {

        #region

        private DataTable table;

        private ChineseLunisolarCalendar lunarCalendar;

        #endregion

        public FormTable()

        {

            #region

            InitializeComponent();

            lunarCalendar = new ChineseLunisolarCalendar(); // 中国阴历。

            table = new DataTable("File");

            table.Locale = CultureInfo.InvariantCulture; // 固定区域。

            DataColumn column = table.Columns.Add("Name", typeof(String));

            table.Columns.Add("Length", typeof(Decimal));

            table.Columns.Add("CreationTime", typeof(DateTime));

            table.Constraints.Add("PK", column, true); // 创建主键。

            table.DefaultView.ApplyDefaultSort = true; // 使用默认排序。

            GridViewStyle();

            #endregion

        }

        #region OnLoad

        protected override void OnLoad(EventArgs e)

        {

            base.OnLoad(e);

            table.BeginLoadData();

            folderBrowser.SelectedPath = Environment.GetFolderPath(Environment.SpecialFolder.Recent);

            DirectoryInfo dir = new DirectoryInfo(folderBrowser.SelectedPath);

            foreach (FileInfo info in dir.GetFiles("*.lnk"))

            {

                table.Rows.Add(info.Name, info.Length / 1024M, info.CreationTime);

            }

            table.EndLoadData();

            int sw = 28;

            foreach (DataGridViewColumn column in gridView.Columns)

            {

                sw += column.Width;

            }

            this.Width = sw;

            this.Text = dir.Name;

        }

        #endregion

        #region DataGridViewStyle

        private void GridViewStyle()

        {

            DataGridViewTextBoxColumn nameColumn = new DataGridViewTextBoxColumn();

            nameColumn.DataPropertyName = "Name";

            nameColumn.HeaderText = "名称";

            gridView.Columns.Add(nameColumn);

            DataGridViewTextBoxColumn lengthColumn = new DataGridViewTextBoxColumn();

            lengthColumn.DataPropertyName = "Length";

            lengthColumn.HeaderText = "大小";

            lengthColumn.DefaultCellStyle.Format = "#,##0.00 KB";

            lengthColumn.DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleRight;

            gridView.Columns.Add(lengthColumn);

            DataGridViewTextBoxColumn timeColumn = new DataGridViewTextBoxColumn();

            timeColumn.DataPropertyName = "CreationTime";

            timeColumn.HeaderText = "创建时间";

            timeColumn.DefaultCellStyle.Format = "yyyy-MM-dd HH:mm:ss";

            gridView.Columns.Add(timeColumn);

            gridView.AutoGenerateColumns = false; // 禁用自动创建列。

            gridView.AllowUserToAddRows = false; // 隐藏添加行。

            gridView.AllowUserToDeleteRows = false; // 禁用删除行。

            gridView.AllowUserToOrderColumns = false; // 禁用列排序。

            gridView.AllowUserToResizeRows = false; // 禁用调整行高。

            gridView.MultiSelect = false; // 用户仅能选择一个单元格、行或列。

            gridView.ReadOnly = true; // 禁用编辑单元格。

            gridView.RowHeadersVisible = false; // 隐藏包含行标题的列。

            gridView.ShowCellToolTips = true; // 显示工具提示。

            gridView.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.AllCells;

            gridView.BackgroundColor = SystemColors.Window;

            gridView.BorderStyle = BorderStyle.Fixed3D;

            gridView.ColumnHeadersDefaultCellStyle.Alignment = DataGridViewContentAlignment.BottomCenter;

            gridView.SelectionMode = DataGridViewSelectionMode.FullRowSelect; // 通过单击行的标头或是该行所包含的单元格选定整个行。

            gridView.SelectionChanged += new EventHandler(gridView_SelectionChanged);

            gridView.CellToolTipTextNeeded += new DataGridViewCellToolTipTextNeededEventHandler(gridView_CellToolTipTextNeeded);

            gridView.DataSource = table.DefaultView;

        }

        private void gridView_SelectionChanged(object sender, EventArgs e)

        {

            CurrencyManager manager = BindingContext[table.DefaultView] as CurrencyManager;

            toolLabelCount.Text = string.Format("{0} / {1}", manager.Position + 1, manager.Count);

            toolFirstButton.Enabled = toolPreviousButton.Enabled = (manager.Position > 0);

            toolLastButton.Enabled = toolNextButton.Enabled = (manager.Position + 1 < manager.Count);

        }

        private void gridView_CellToolTipTextNeeded(object sender, DataGridViewCellToolTipTextNeededEventArgs e)

        {

            if (e.RowIndex > -1)

                e.ToolTipText = Path.Combine(folderBrowser.SelectedPath, table.DefaultView[e.RowIndex][0] as string); // 设置工具提示文本。

        }

        #endregion

        #region

        private void toolStripInfo_ItemClicked(object sender, ToolStripItemClickedEventArgs e)

        {

            CurrencyManager manager = BindingContext[table.DefaultView] as CurrencyManager;

            switch (e.ClickedItem.Name)

            {

                case "toolLoadButton":

                    if (folderBrowser.ShowDialog(this) == DialogResult.OK)

                    {

                        table.Clear();

                        table.BeginLoadData();

                        folderBrowser.Description = folderBrowser.SelectedPath;

                        DirectoryInfo dir = new DirectoryInfo(folderBrowser.SelectedPath);

                        foreach (FileInfo info in dir.GetFiles())

                        {

                            table.Rows.Add(info.Name, info.Length / 1024M, info.CreationTime);

                        }

                        table.EndLoadData();

                        int sw = 28;

                        foreach (DataGridViewColumn column in gridView.Columns)

                        {

                            sw += column.Width;

                        }

                        this.Width = sw;

                        this.Text = dir.Name;

                    }

                    break;

                case "toolExcelButton":

                    table.AcceptChanges();

                    table.PrintToExcel(this.Text, "名称", "大小(KB)", "创建时间");

                    //gridView.PrintToExcel(this.Text);

                    break;

                case "toolXmlButton":

                    FileInfo fi = new FileInfo(Path.Combine(Application.StartupPath, "File.xml"));

                    if (fi.Exists)

                        fi.Attributes = FileAttributes.Normal;

                    using (StreamWriter writer = fi.CreateText())

                    {

                        table.AcceptChanges();

                        table.WriteXml(writer, XmlWriteMode.IgnoreSchema);

                    }

                    System.Diagnostics.Process.Start(fi.FullName);

                    break;

                case "toolFirstButton":

                    manager.Position = 0;

                    break;

                case "toolPreviousButton":

                    --manager.Position;

                    break;

                case "toolNextButton":

                    ++manager.Position;

                    break;

                case "toolLastButton":

                    manager.Position = manager.Count - 1;

                    break;

            }

            toolLabelCount.Text = string.Format("{0} / {1}", manager.Position + 1, manager.Count);

            toolFirstButton.Enabled = toolPreviousButton.Enabled = (manager.Position > 0);

            toolLastButton.Enabled = toolNextButton.Enabled = (manager.Position + 1 < manager.Count);

        }

        #endregion

        #region DateTime

        private void timerInfo_Tick(object sender, EventArgs e)

        {

            Application.CurrentCulture.ClearCachedData();

            DateTime solar = DateTime.Now;

            int month = lunarCalendar.GetMonth(solar);

            int leapMonth = lunarCalendar.GetLeapMonth(lunarCalendar.GetYear(solar));

            if (0 < leapMonth && leapMonth <= month)

                --month;

            statusLabelTime.Text = string.Format("{0:F} [{1} {2:00}]", solar, DateTimeFormatInfo.CurrentInfo.MonthNames[month - 1], lunarCalendar.GetDayOfMonth(solar));

        }

        #endregion

    }

}