2016-12-29
本文使用的方法是把 .ods 當成 .zip,解壓後取得 content.xml 使用。
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ODF release dates:
- ODF 1.0 May 2005
- ODF 1.1 February 2007
- ODF 1.2 September 2012
- ODF 1.3 January 2020
https://wiki.documentfoundation.org/Comparison_of_ODF_software
How to Read and Write ODF/ODS Files (OpenDocument Spreadsheets)
28 Jul 2011
https://www.codeproject.com/Articles/38425/How-to-Read-and-Write-ODF-ODS-Files-OpenDocument-2
所以 odsreadwrite.zip 可能只支援到 ODF, ODS 1.1 版
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LibreOffice
https://zh-tw.libreoffice.org/
(下圖) 先用 Calc 做一個檔案,內容如下
(下圖) 用 Visual Studio 2015 with Update 3 建立一個 WinForm 方案
Form1.cs 內容
(下圖) 執行畫面
(完)
相關
[研究] C# .NET 存取 OpenOffice Calc 試算表 .ods 套件評估
http://shaurong.blogspot.com/2016/12/c-net-openoffice-calc-ods.html
[研究] [C#] 讀取 LibreOffice 5.1.6 的試算表(Calc) 檔案 (.ods)(使用 .NET 4.5 的 ZipFile)
http://shaurong.blogspot.com/2016/12/c-libreoffice-516-calc-ods-net-45.html
[研究] [C#] 讀取 LibreOffice 5.1.6 的試算表(Calc) 檔案 (.ods)(使用 DotNetZip)
http://shaurong.blogspot.com/2016/12/c-libreoffice-516-calc-ods.html
LibreOffice
https://zh-tw.libreoffice.org/
(下圖) 先用 Calc 做一個檔案,內容如下
(下圖) 用 Visual Studio 2015 with Update 3 建立一個 WinForm 方案
Form1.cs 內容
using System; using System.Data; using System.IO; using System.Windows.Forms; using System.Xml; using System.Globalization; // 需要 .NET 4.5 才支援 // "參考" => "加入參考" => "組件" => "架構",加入 System.IO.Compression.FileSystem using System.IO.Compression; namespace ODSDemo { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void button1_Click(object sender, EventArgs e) { Stream myStream = null; OpenFileDialog openFileDialog1 = new OpenFileDialog(); openFileDialog1.InitialDirectory = "c:\\"; openFileDialog1.Filter = "ods files (*.ods)|*.ods|All files (*.*)|*.*"; openFileDialog1.FilterIndex = 2; openFileDialog1.RestoreDirectory = true; openFileDialog1.InitialDirectory = System.IO.Directory.GetCurrentDirectory(); if (openFileDialog1.ShowDialog() == DialogResult.OK) { try { if ((myStream = openFileDialog1.OpenFile()) != null) { label1.Text = openFileDialog1.FileName; // 包含路徑 string inputFilePath = openFileDialog1.FileName; // 包含路徑 //DataSet ds = ReadOdsFile(inputFilePath); DataSet ds = ReadOdsFile2(inputFilePath); dataGridView1.AutoGenerateColumns = true; dataGridView1.DataSource = ds; // dataset dataGridView1.DataSource = ds.Tables[0]; //using (myStream) //{ // // Insert code to read the stream here. //} } } catch (Exception ex) { MessageBox.Show("Error: Could not read file from disk. Original error: " + ex.Message); } } } // ******************************************************************************** // 下面程式碼取自 // How to Read and Write ODFODS Files (OpenDocument Spreadsheets) // https://www.codeproject.com/articles/38425/how-to-read-and-write-odf-ods-files-opendocument-s%20here%20for%20reference // 解壓後取自 OdsReaderWriter.cs 檔案內容 // 一些用不上的註解掉 // ******************************************************************************** private static string[,] namespaces = new string[,] { {"table", "urn:oasis:names:tc:opendocument:xmlns:table:1.0"}, {"office", "urn:oasis:names:tc:opendocument:xmlns:office:1.0"}, {"style", "urn:oasis:names:tc:opendocument:xmlns:style:1.0"}, {"text", "urn:oasis:names:tc:opendocument:xmlns:text:1.0"}, {"draw", "urn:oasis:names:tc:opendocument:xmlns:drawing:1.0"}, {"fo", "urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0"}, {"dc", "http://purl.org/dc/elements/1.1/"}, {"meta", "urn:oasis:names:tc:opendocument:xmlns:meta:1.0"}, {"number", "urn:oasis:names:tc:opendocument:xmlns:datastyle:1.0"}, {"presentation", "urn:oasis:names:tc:opendocument:xmlns:presentation:1.0"}, {"svg", "urn:oasis:names:tc:opendocument:xmlns:svg-compatible:1.0"}, {"chart", "urn:oasis:names:tc:opendocument:xmlns:chart:1.0"}, {"dr3d", "urn:oasis:names:tc:opendocument:xmlns:dr3d:1.0"}, {"math", "http://www.w3.org/1998/Math/MathML"}, {"form", "urn:oasis:names:tc:opendocument:xmlns:form:1.0"}, {"script", "urn:oasis:names:tc:opendocument:xmlns:script:1.0"}, {"ooo", "http://openoffice.org/2004/office"}, {"ooow", "http://openoffice.org/2004/writer"}, {"oooc", "http://openoffice.org/2004/calc"}, {"dom", "http://www.w3.org/2001/xml-events"}, {"xforms", "http://www.w3.org/2002/xforms"}, {"xsd", "http://www.w3.org/2001/XMLSchema"}, {"xsi", "http://www.w3.org/2001/XMLSchema-instance"}, {"rpt", "http://openoffice.org/2005/report"}, {"of", "urn:oasis:names:tc:opendocument:xmlns:of:1.2"}, {"rdfa", "http://docs.oasis-open.org/opendocument/meta/rdfa#"}, {"config", "urn:oasis:names:tc:opendocument:xmlns:config:1.0"} }; //// Read zip stream (.ods file is zip file). //private ZipFile GetZipFile(Stream stream) //{ // return ZipFile.Read(stream); //} // Read zip file (.ods file is zip file). //private ZipFile GetZipFile(string inputFilePath) //{ // return ZipFile.Read(inputFilePath); //} //private XmlDocument GetContentXmlFile(ZipFile zipFile) //{ // // Get file(in zip archive) that contains data ("content.xml"). // ZipEntry contentZipEntry = zipFile["content.xml"]; // // Extract that file to MemoryStream. // Stream contentStream = new MemoryStream(); // contentZipEntry.Extract(contentStream); // contentStream.Seek(0, SeekOrigin.Begin); // // Create XmlDocument from MemoryStream (MemoryStream contains content.xml). // XmlDocument contentXml = new XmlDocument(); // contentXml.Load(contentStream); // return contentXml; //} private XmlDocument GetContentXmlFile2(string inputFilePath) { // Get file(in zip archive) that contains data ("content.xml"). //ZipEntry contentZipEntry = zipFile["content.xml"]; //string startPath = @"c:\example\start"; //string zipPath = @"c:\example\result.zip"; //string extractPath = @"c:\example\extract"; //string startPath = @"c:\example\start"; string zipPath = inputFilePath; // LibreOffice Calc string extractPath = System.IO.Directory.GetCurrentDirectory() + "\\Extract"; Directory.Delete(extractPath, true); // 壓縮目錄中檔案 //ZipFile.CreateFromDirectory(startPath, zipPath); // 解壓縮 ZipFile.ExtractToDirectory(zipPath, extractPath); // Extract that file to MemoryStream. Stream contentStream = new MemoryStream(); //contentZipEntry.Extract(contentStream); contentStream.Seek(0, SeekOrigin.Begin); // Create XmlDocument from MemoryStream (MemoryStream contains content.xml). XmlDocument contentXml = new XmlDocument(); //contentXml.Load(contentStream); contentXml.Load(extractPath + "\\content.xml"); return contentXml; } private XmlNamespaceManager InitializeXmlNamespaceManager(XmlDocument xmlDocument) { XmlNamespaceManager nmsManager = new XmlNamespaceManager(xmlDocument.NameTable); for (int i = 0; i < namespaces.GetLength(0); i++) nmsManager.AddNamespace(namespaces[i, 0], namespaces[i, 1]); return nmsManager; } /// <summary> /// Read .ods file and store it in DataSet. /// </summary> /// <param name="inputFilePath">Path to the .ods file.</param> /// <returns>DataSet that represents .ods file.</returns> //public DataSet ReadOdsFile(string inputFilePath) //{ // ZipFile odsZipFile = this.GetZipFile(inputFilePath); // // Get content.xml file // XmlDocument contentXml = this.GetContentXmlFile(odsZipFile); // // Initialize XmlNamespaceManager // XmlNamespaceManager nmsManager = this.InitializeXmlNamespaceManager(contentXml); // DataSet odsFile = new DataSet(Path.GetFileName(inputFilePath)); // foreach (XmlNode tableNode in this.GetTableNodes(contentXml, nmsManager)) // odsFile.Tables.Add(this.GetSheet(tableNode, nmsManager)); // return odsFile; //} public DataSet ReadOdsFile2(string inputFilePath) { //ZipFile odsZipFile = this.GetZipFile(inputFilePath); // Get content.xml file //XmlDocument contentXml = this.GetContentXmlFile2(odsZipFile); XmlDocument contentXml = this.GetContentXmlFile2(inputFilePath); // Initialize XmlNamespaceManager XmlNamespaceManager nmsManager = this.InitializeXmlNamespaceManager(contentXml); DataSet odsFile = new DataSet(Path.GetFileName(inputFilePath)); foreach (XmlNode tableNode in this.GetTableNodes(contentXml, nmsManager)) odsFile.Tables.Add(this.GetSheet(tableNode, nmsManager)); return odsFile; } // In ODF sheet is stored in table:table node private XmlNodeList GetTableNodes(XmlDocument contentXmlDocument, XmlNamespaceManager nmsManager) { return contentXmlDocument.SelectNodes("/office:document-content/office:body/office:spreadsheet/table:table", nmsManager); } private DataTable GetSheet(XmlNode tableNode, XmlNamespaceManager nmsManager) { DataTable sheet = new DataTable(tableNode.Attributes["table:name"].Value); XmlNodeList rowNodes = tableNode.SelectNodes("table:table-row", nmsManager); int rowIndex = 0; foreach (XmlNode rowNode in rowNodes) this.GetRow(rowNode, sheet, nmsManager, ref rowIndex); return sheet; } private void GetRow(XmlNode rowNode, DataTable sheet, XmlNamespaceManager nmsManager, ref int rowIndex) { XmlAttribute rowsRepeated = rowNode.Attributes["table:number-rows-repeated"]; if (rowsRepeated == null || Convert.ToInt32(rowsRepeated.Value, CultureInfo.InvariantCulture) == 1) { while (sheet.Rows.Count < rowIndex) sheet.Rows.Add(sheet.NewRow()); DataRow row = sheet.NewRow(); XmlNodeList cellNodes = rowNode.SelectNodes("table:table-cell", nmsManager); int cellIndex = 0; foreach (XmlNode cellNode in cellNodes) this.GetCell(cellNode, row, nmsManager, ref cellIndex); sheet.Rows.Add(row); rowIndex++; } else { rowIndex += Convert.ToInt32(rowsRepeated.Value, CultureInfo.InvariantCulture); } // sheet must have at least one cell if (sheet.Rows.Count == 0) { sheet.Rows.Add(sheet.NewRow()); sheet.Columns.Add(); } } private void GetCell(XmlNode cellNode, DataRow row, XmlNamespaceManager nmsManager, ref int cellIndex) { XmlAttribute cellRepeated = cellNode.Attributes["table:number-columns-repeated"]; if (cellRepeated == null) { DataTable sheet = row.Table; while (sheet.Columns.Count <= cellIndex) sheet.Columns.Add(); row[cellIndex] = this.ReadCellValue(cellNode); cellIndex++; } else { cellIndex += Convert.ToInt32(cellRepeated.Value, CultureInfo.InvariantCulture); } } private string ReadCellValue(XmlNode cell) { XmlAttribute cellVal = cell.Attributes["office:value"]; if (cellVal == null) return String.IsNullOrEmpty(cell.InnerText) ? null : cell.InnerText; else return cellVal.Value; } ///// <summary> ///// Writes DataSet as .ods file. ///// </summary> ///// <param name="odsFile">DataSet that represent .ods file.</param> ///// <param name="outputFilePath">The name of the file to save to.</param> //public void WriteOdsFile(DataSet odsFile, string outputFilePath) //{ // ZipFile templateFile = this.GetZipFile(Assembly.GetExecutingAssembly().GetManifestResourceStream("OdsReadWrite.template.ods")); // XmlDocument contentXml = this.GetContentXmlFile(templateFile); // XmlNamespaceManager nmsManager = this.InitializeXmlNamespaceManager(contentXml); // XmlNode sheetsRootNode = this.GetSheetsRootNodeAndRemoveChildrens(contentXml, nmsManager); // foreach (DataTable sheet in odsFile.Tables) // this.SaveSheet(sheet, sheetsRootNode); // this.SaveContentXml(templateFile, contentXml); // templateFile.Save(outputFilePath); //} //private XmlNode GetSheetsRootNodeAndRemoveChildrens(XmlDocument contentXml, XmlNamespaceManager nmsManager) //{ // XmlNodeList tableNodes = this.GetTableNodes(contentXml, nmsManager); // XmlNode sheetsRootNode = tableNodes.Item(0).ParentNode; // // remove sheets from template file // foreach (XmlNode tableNode in tableNodes) // sheetsRootNode.RemoveChild(tableNode); // return sheetsRootNode; //} //private void SaveSheet(DataTable sheet, XmlNode sheetsRootNode) //{ // XmlDocument ownerDocument = sheetsRootNode.OwnerDocument; // XmlNode sheetNode = ownerDocument.CreateElement("table:table", this.GetNamespaceUri("table")); // XmlAttribute sheetName = ownerDocument.CreateAttribute("table:name", this.GetNamespaceUri("table")); // sheetName.Value = sheet.TableName; // sheetNode.Attributes.Append(sheetName); // this.SaveColumnDefinition(sheet, sheetNode, ownerDocument); // this.SaveRows(sheet, sheetNode, ownerDocument); // sheetsRootNode.AppendChild(sheetNode); //} //private void SaveColumnDefinition(DataTable sheet, XmlNode sheetNode, XmlDocument ownerDocument) //{ // XmlNode columnDefinition = ownerDocument.CreateElement("table:table-column", this.GetNamespaceUri("table")); // XmlAttribute columnsCount = ownerDocument.CreateAttribute("table:number-columns-repeated", this.GetNamespaceUri("table")); // columnsCount.Value = sheet.Columns.Count.ToString(CultureInfo.InvariantCulture); // columnDefinition.Attributes.Append(columnsCount); // sheetNode.AppendChild(columnDefinition); //} //private void SaveRows(DataTable sheet, XmlNode sheetNode, XmlDocument ownerDocument) //{ // DataRowCollection rows = sheet.Rows; // for (int i = 0; i < rows.Count; i++) // { // XmlNode rowNode = ownerDocument.CreateElement("table:table-row", this.GetNamespaceUri("table")); // this.SaveCell(rows[i], rowNode, ownerDocument); // sheetNode.AppendChild(rowNode); // } //} //private void SaveCell(DataRow row, XmlNode rowNode, XmlDocument ownerDocument) //{ // object[] cells = row.ItemArray; // for (int i = 0; i < cells.Length; i++) // { // XmlElement cellNode = ownerDocument.CreateElement("table:table-cell", this.GetNamespaceUri("table")); // if (row[i] != DBNull.Value) // { // // We save values as text (string) // XmlAttribute valueType = ownerDocument.CreateAttribute("office:value-type", this.GetNamespaceUri("office")); // valueType.Value = "string"; // cellNode.Attributes.Append(valueType); // XmlElement cellValue = ownerDocument.CreateElement("text:p", this.GetNamespaceUri("text")); // cellValue.InnerText = row[i].ToString(); // cellNode.AppendChild(cellValue); // } // rowNode.AppendChild(cellNode); // } //} //private void SaveContentXml(ZipFile templateFile, XmlDocument contentXml) //{ // templateFile.RemoveEntry("content.xml"); // MemoryStream memStream = new MemoryStream(); // contentXml.Save(memStream); // memStream.Seek(0, SeekOrigin.Begin); // templateFile.AddEntry("content.xml", memStream); //} //private string GetNamespaceUri(string prefix) //{ // for (int i = 0; i < namespaces.GetLength(0); i++) // { // if (namespaces[i, 0] == prefix) // return namespaces[i, 1]; // } // throw new InvalidOperationException("Can't find that namespace URI"); //} } } |
(下圖) 執行畫面
(完)
相關
[研究] C# .NET 存取 OpenOffice Calc 試算表 .ods 套件評估
http://shaurong.blogspot.com/2016/12/c-net-openoffice-calc-ods.html
[研究] [C#] 讀取 LibreOffice 5.1.6 的試算表(Calc) 檔案 (.ods)(使用 .NET 4.5 的 ZipFile)
http://shaurong.blogspot.com/2016/12/c-libreoffice-516-calc-ods-net-45.html
[研究] [C#] 讀取 LibreOffice 5.1.6 的試算表(Calc) 檔案 (.ods)(使用 DotNetZip)
http://shaurong.blogspot.com/2016/12/c-libreoffice-516-calc-ods.html
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