C# 对word (03、07)的相关操作
/// <summary> /// 提供一组静态方法，用于操作 Office 文件的自定义属性 /// </summary> public static class OfficeHelper { /// <summary> /// 获取指定文件的自定义属性集 /// </summary> /// <param name="fileFullPath">指定的文件名</param> /// <returns>自定义属性集</returns> public static Dictionary<string, string> GetCustomProperties(string fileFullPath) { //创建存储结果的 Dictionary 字典表 Dictionary<string, string> fileProperties = new Dictionary<string, string>(); //如果指定的文件不存在，则返回 if (String.IsNullOrEmpty(fileFullPath) || !System.IO.File.Exists(fileFullPath)) return fileProperties; //解析文件获取属性 ICustomProperty helper = GetHelper(fileFullPath); fileProperties = helper.GetCustomProperties(fileFullPath); //返回结果 return fileProperties; }//end method /// <summary> /// 获取指定文件的自定义属性的值 /// </summary> /// <param name="fileFullPath">指定的文件完全限定名称</param> /// <param name="propertyName">自定义属性名称</param> /// <returns>如果成功，返加文件属性的值；否则返回null</returns> public static string GetCustomProperty(string fileFullPath, object propertyName) { //创建存储结果的字符串 string propertyValue = String.Empty; //如果指定的文件不存在，则返回 if (String.IsNullOrEmpty(fileFullPath) || !System.IO.File.Exists(fileFullPath)) return null; //解析文件获取属性 ICustomProperty helper = GetHelper(fileFullPath); propertyValue = helper.GetCustomProperty(fileFullPath, propertyName); //返回结果 return propertyValue; }//end method /// <summary> /// 添加指定文件的自定义属性 /// </summary> /// <param name="fileFullPath">指定的文件完全限定名称</param> /// <param name="propertyName">自定义属性名称</param> /// <param name="proertyValue">自定义属性值</param> /// <returns>成功返回 true; 否则返回 false</returns> public static bool AddCustomProperty(String fileFullPath, String propertyName, String propertyValue) { bool result = false; //如果指定的文件不存在，则返回 if (String.IsNullOrEmpty(fileFullPath) || !System.IO.File.Exists(fileFullPath)) return result; //移除文件中指定的属性 ICustomProperty helper = GetHelper(fileFullPath); result = helper.AddCustomProperty(fileFullPath, propertyName, propertyValue); //返回结果 return result; }//end method /// <summary> /// 删除指定文件的自定义属性 /// </summary> /// <param name="fileFullPath">指定的文件名</param> /// <param name="propertyName">自定义属性名称</param> /// <returns>成功返回 true; 否则返回 false</returns> public static bool RemoveCustomProperty(String fileFullPath, String propertyName) { bool result = false; //如果指定的文件不存在，则返回 if (String.IsNullOrEmpty(fileFullPath) || !System.IO.File.Exists(fileFullPath)) return result; //移除文件中指定的属性 ICustomProperty helper = GetHelper(fileFullPath); result = helper.RemoveCustomProperty(fileFullPath, propertyName); //返回结果 return result; }//end method /// <summary> /// 修改指定文件的自定义属性 /// </summary> /// <param name="fileFullPath">指定的文件名</param> /// <param name="propertyName">自定义属性名称</param> /// <param name="propertyValue">自定义属性值</param> /// <returns>成功返回 true; 否则返回 false</returns> public static bool SetCustomProperty(String fileFullPath, String propertyName, String propertyValue) { bool result = false; //如果指定的文件不存在，则返回 if (String.IsNullOrEmpty(fileFullPath) || !System.IO.File.Exists(fileFullPath)) return result; //移除文件中指定的属性 ICustomProperty helper = GetHelper(fileFullPath); result = helper.SetCustomProperty(fileFullPath, propertyName, propertyValue); //返回结果 return result; }//end method /// <summary> /// 根据文件类型创建相应属性解析器 /// </summary> /// <param name="fileFullPath">指定的文件名</param> /// <returns>属性解析器</returns> private static ICustomProperty GetHelper(String fileFullPath) { ICustomProperty helper = null; //根据文件的格式(后缀：dot\doc\dotx\docx)，采用不用解析器(DSOFile 解析器：dot\doc；OpenXml 解析器：dotx\docx) String fileExt = System.IO.Path.GetExtension(fileFullPath); String officeType = "2007"; if (fileExt.Equals(".dot", StringComparison.CurrentCultureIgnoreCase) || fileExt.Equals(".doc", StringComparison.CurrentCultureIgnoreCase)) { officeType = "2003"; } switch (officeType) { case "2007": helper = new Office2007Helper(); break; case "2003": helper = new Office2003Helper(); break; default: break; }//end switch return helper; }//end method }//end class
internal class Office2007Helper { /// <summary> /// 获取指定文件的自定义属性集 /// </summary> /// <param name="fileFullPath">指定的文件名</param> /// <returns></returns> public Dictionary<string, string> GetCustomProperties(string fileFullPath) { //创建存储结果的 Dictionary 字典表 Dictionary<string, string> fileProperties = new Dictionary<string, string>(); //如果指定的文件不存在，则返回 if (String.IsNullOrEmpty(fileFullPath) || !System.IO.File.Exists(fileFullPath)) return fileProperties; String properties = String.Empty; UnZipFile unZip = new UnZipFile(); String systemTempPath = System.Environment.GetEnvironmentVariable("TEMP"); CREATEPAPH: String currentBufferPath = System.IO.Path.Combine(systemTempPath, System.Guid.NewGuid().ToString("N")); if (System.IO.Directory.Exists(currentBufferPath)) { goto CREATEPAPH; } //创建目录用于提取属性文件 System.IO.Directory.CreateDirectory(currentBufferPath); unZip.ExtractFile(fileFullPath, "docProps/custom.xml", currentBufferPath); //如果成功提取属性文件则读取其内容 String propertyFileFullPath = System.IO.Path.Combine(currentBufferPath, "custom.xml"); if (System.IO.File.Exists(propertyFileFullPath)) { //解析属性文件 System.Xml.XmlDocument propertyDocument = new System.Xml.XmlDocument(); propertyDocument.Load(propertyFileFullPath); System.Xml.XmlNamespaceManager nsmgr = new System.Xml.XmlNamespaceManager(propertyDocument.NameTable); nsmgr.AddNamespace("cp", "http://schemas.openxmlformats.org/officeDocument/2006/custom-properties"); nsmgr.AddNamespace("vt", "http://schemas.openxmlformats.org/officeDocument/2006/docPropsVTypes"); //解析属性集 System.Xml.XmlNodeList xmlNodes = propertyDocument.SelectNodes("//cp:Properties/cp:property", nsmgr); foreach (System.Xml.XmlNode x in xmlNodes) { String key = x.Attributes["name"]== null ? String.Empty : x.Attributes["name"].Value.ToString(); if (String.IsNullOrEmpty(key)) { continue; } String value = x.InnerText; fileProperties.Add(key, value); } } System.IO.Directory.Delete(currentBufferPath,true); return fileProperties; }//end method /// <summary> /// 获取指定文件的自定义属性的值 /// </summary> /// <param name="fileFullPath">指定的文件完全限定名称</param> /// <param name="propertyName">自定义属性名称</param> /// <returns>如果成功，返加文件属性的值；否则返回null</returns> public string GetCustomProperty(string fileFullPath, object propertyName) { //创建存储结果的字符串 string propertyValue = String.Empty; //如果指定的文件不存在，则返回 if (String.IsNullOrEmpty(fileFullPath) || !System.IO.File.Exists(fileFullPath)) return null; String properties = String.Empty; UnZipFile unZip = new UnZipFile(); String systemTempPath = System.Environment.GetEnvironmentVariable("TEMP"); CREATEPAPH: String currentBufferPath = System.IO.Path.Combine(systemTempPath, System.Guid.NewGuid().ToString("N")); if (System.IO.Directory.Exists(currentBufferPath)) { goto CREATEPAPH; } //创建目录用于提取属性文件 System.IO.Directory.CreateDirectory(currentBufferPath); unZip.ExtractFile(fileFullPath, "docProps/custom.xml", currentBufferPath); //如果成功提取属性文件则读取其内容 String propertyFileFullPath = System.IO.Path.Combine(currentBufferPath, "custom.xml"); if (System.IO.File.Exists(propertyFileFullPath)) { //解析属性文件 System.Xml.XmlDocument propertyDocument = new System.Xml.XmlDocument(); propertyDocument.Load(propertyFileFullPath); System.Xml.XmlNamespaceManager nsmgr = new System.Xml.XmlNamespaceManager(propertyDocument.NameTable); nsmgr.AddNamespace("cp", "http://schemas.openxmlformats.org/officeDocument/2006/custom-properties"); nsmgr.AddNamespace("vt", "http://schemas.openxmlformats.org/officeDocument/2006/docPropsVTypes"); //解析属性集 System.Xml.XmlNodeList xmlNodes = propertyDocument.SelectNodes("//cp:Properties/cp:property", nsmgr); foreach (System.Xml.XmlNode x in xmlNodes) { String key = x.Attributes["name"] == null ? String.Empty : x.Attributes["name"].Value.ToString(); if (String.IsNullOrEmpty(key)) { continue; } String value = x.InnerText; if (key.Equals(propertyName)) { propertyValue = value; break; } } } //清空资源 System.IO.Directory.Delete(currentBufferPath, true); //返回结果 return propertyValue; }//end method /// <summary> /// 添加指定文件的自定义属性 /// </summary> /// <param name="fileFullPath">指定的文件完全限定名称</param> /// <param name="propertyName">自定义属性名称</param> /// <param name="proertyValue">自定义属性值</param> /// <returns>修改成功返回 true; 否则返回 false</returns> public bool AddCustomProperty(String fileFullPath, String propertyName, String proertyValue) { bool result = false; //如果指定的文件不存在，则返回 if (String.IsNullOrEmpty(fileFullPath) || !System.IO.File.Exists(fileFullPath)) return false; try { String properties = String.Empty; UnZipFile unZip = new UnZipFile(); String systemTempPath = System.Environment.GetEnvironmentVariable("TEMP"); CREATEPAPH: String currentBufferPath = System.IO.Path.Combine(systemTempPath, System.Guid.NewGuid().ToString("N")); if (System.IO.Directory.Exists(currentBufferPath)) { goto CREATEPAPH; } //创建目录用于提取属性文件 System.IO.Directory.CreateDirectory(currentBufferPath); unZip.ExtractFile(fileFullPath, "docProps/custom.xml", currentBufferPath); //如果成功提取属性文件则读取其内容 String propertyFileFullPath = System.IO.Path.Combine(currentBufferPath, "custom.xml"); Boolean firstCreateCustomProperties = false; if (!System.IO.File.Exists(propertyFileFullPath)) { //如果包中不存在自定义属性，则创建 CreateCustomXml(propertyFileFullPath); firstCreateCustomProperties = true; } //解析属性文件 System.Xml.XmlDocument propertyDocument = new System.Xml.XmlDocument(); propertyDocument.Load(propertyFileFullPath); System.Xml.XmlNamespaceManager nsmgr = new System.Xml.XmlNamespaceManager(propertyDocument.NameTable); nsmgr.AddNamespace("cp", "http://schemas.openxmlformats.org/officeDocument/2006/custom-properties"); nsmgr.AddNamespace("vt", "http://schemas.openxmlformats.org/officeDocument/2006/docPropsVTypes"); //解析属性集 System.Xml.XmlNodeList xmlNodes = propertyDocument.SelectNodes("//cp:Properties/cp:property", nsmgr); Boolean isExists = false; foreach (System.Xml.XmlNode x in xmlNodes) { String key = x.Attributes["name"] == null ? String.Empty : x.Attributes["name"].Value.ToString(); if (String.IsNullOrEmpty(key)) { continue; } String value = x.InnerText; if (key.Equals(propertyName)) { System.Xml.XmlNode propertyValueNode = x.FirstChild;//.CreateElement("vt", "lpwstr", "http://schemas.openxmlformats.org/officeDocument/2006/docPropsVTypes"); propertyValueNode.InnerText = value; isExists = true; break; } } if (!isExists) { System.Xml.XmlNode propertiesNode = propertyDocument.SelectSingleNode("//cp:Properties", nsmgr); //创建自定义属性元素 System.Xml.XmlElement propertyNode = propertyDocument.CreateElement("", "property", "http://schemas.openxmlformats.org/officeDocument/2006/custom-properties"); //创建属性： FMTID_UserDefinedPropertie=D5CDD505-2E9C-101B-9397-08002B2CF9AE System.Xml.XmlAttribute fmtidAttribute = propertyDocument.CreateAttribute("fmtid"); fmtidAttribute.Value = "{D5CDD505-2E9C-101B-9397-08002B2CF9AE}"; //创建属性： pid=2 System.Xml.XmlNodeList propertyNodeList = propertyDocument.SelectNodes("//cp:Properties/cp:property", nsmgr); //rId4 Int32 maxId = 2; foreach (System.Xml.XmlNode r in propertyNodeList) { String pid = r.Attributes["pid"].Value; if (!String.IsNullOrEmpty(pid)) { Int32 v = Convert.ToInt32(pid); if (v >= maxId) { maxId = v + 1; } } } System.Xml.XmlAttribute pidAttribute = propertyDocument.CreateAttribute("pid"); pidAttribute.Value = maxId.ToString(); //创建属性：name System.Xml.XmlAttribute nameAttribute = propertyDocument.CreateAttribute("name"); nameAttribute.Value = propertyName; //创建字符值元素: System.Xml.XmlNode propertyValueNode = propertyDocument.CreateElement("vt", "lpwstr", "http://schemas.openxmlformats.org/officeDocument/2006/docPropsVTypes"); propertyValueNode.InnerText = proertyValue; //添加字符值元素: propertyNode.AppendChild(propertyValueNode); //添加属性： fmtid propertyNode.Attributes.Append(fmtidAttribute); //添加属性： pid propertyNode.Attributes.Append(pidAttribute); //添加属性：name propertyNode.Attributes.Append(nameAttribute); propertiesNode.AppendChild(propertyNode); } propertyDocument.Save(propertyFileFullPath); //保存临时目录中的文件到源文件包中 ZipFile zip = new ZipFile(); zip.UpdateZipFile(fileFullPath, propertyFileFullPath, @"docProps/custom.xml"); if (firstCreateCustomProperties) { #region 更新文件[Content_Types].xml //如果是第一次创建自定义属性，则必须更新文件：[Content_Types].xml unZip.ExtractFile(fileFullPath, "[Content_Types].xml", currentBufferPath); String contentTypesFileFullPath = System.IO.Path.Combine(currentBufferPath, "[Content_Types].xml"); System.Xml.XmlDocument contentTypesDocument = new System.Xml.XmlDocument(); contentTypesDocument.Load(contentTypesFileFullPath); System.Xml.XmlNamespaceManager ctNsmgr = new System.Xml.XmlNamespaceManager(propertyDocument.NameTable); ctNsmgr.AddNamespace("ct", "http://schemas.openxmlformats.org/package/2006/content-types"); //解析属性集 System.Xml.XmlNode xmlNode = contentTypesDocument.SelectSingleNode("//ct:Types/ct:Override[@PartName=" + "'/docProps/custom.xml']", ctNsmgr); if (xmlNode == null) { //创建自定义属性相关元素 xmlNode = contentTypesDocument.CreateElement("", "Override", "http://schemas.openxmlformats.org/package/2006/content-types"); //创建属性： PartName System.Xml.XmlAttribute partNameAttribute = contentTypesDocument.CreateAttribute("PartName"); partNameAttribute.Value = @"/docProps/custom.xml"; //创建属性：ContentType System.Xml.XmlAttribute contentTypeAttribute = contentTypesDocument.CreateAttribute("ContentType"); contentTypeAttribute.Value = "application/vnd.openxmlformats-officedocument.custom-properties+xml"; //添加属性：PartName & ContentType xmlNode.Attributes.Append(partNameAttribute); xmlNode.Attributes.Append(contentTypeAttribute); } System.Xml.XmlNode typeNode = contentTypesDocument.SelectSingleNode("//ct:Types", ctNsmgr); typeNode.AppendChild(xmlNode); contentTypesDocument.Save(contentTypesFileFullPath); ZipFile zipPackage = new ZipFile(); zipPackage.UpdateZipFile(fileFullPath, contentTypesFileFullPath, @"[Content_Types].xml"); #endregion 更新文件[Content_Types].xml #region 更新文件:_rels\.rels //如果是第一次创建自定义属性，则必须更新文件：_rels\.rels unZip.ExtractFile(fileFullPath, "_rels/.rels", currentBufferPath); String rootRelsFileFullPath = System.IO.Path.Combine(currentBufferPath, ".rels"); System.Xml.XmlDocument rootRelsDocument = new System.Xml.XmlDocument(); rootRelsDocument.Load(rootRelsFileFullPath); System.Xml.XmlNamespaceManager relsNsmgr = new System.Xml.XmlNamespaceManager(rootRelsDocument.NameTable); relsNsmgr.AddNamespace("rs", "http://schemas.openxmlformats.org/package/2006/relationships"); //解析属性集 System.Xml.XmlNode relsNode = rootRelsDocument.SelectSingleNode("//rs:Relationships/rs:Relationship[@Target=" + "'docProps/custom.xml']", relsNsmgr); if (relsNode == null) { System.Xml.XmlNodeList relsNodeList = rootRelsDocument.SelectNodes("//rs:Relationships/rs:Relationship", relsNsmgr); //rId4 Int32 maxId = 1; foreach (System.Xml.XmlNode r in relsNodeList) { String rId = r.Attributes["Id"].Value; if (!String.IsNullOrEmpty(rId) && rId.StartsWith("rId")) { Int32 v = Convert.ToInt32(rId.Substring(3)); if (v >= maxId) { maxId = v + 1; } } } //创建自定义属性相关元素 relsNode = rootRelsDocument.CreateElement("", "Relationship", "http://schemas.openxmlformats.org/package/2006/relationships"); //创建属性： Id System.Xml.XmlAttribute idAttribute = rootRelsDocument.CreateAttribute("Id"); idAttribute.Value = String.Format("rId{0}", maxId); //创建属性：Type System.Xml.XmlAttribute typeAttribute = rootRelsDocument.CreateAttribute("Type"); typeAttribute.Value = "http://schemas.openxmlformats.org/officeDocument/2006/relationships/custom-properties"; //创建属性：Target System.Xml.XmlAttribute targetAttribute = rootRelsDocument.CreateAttribute("Target"); targetAttribute.Value = "docProps/custom.xml"; //添加属性：Id & Type & Target relsNode.Attributes.Append(idAttribute); relsNode.Attributes.Append(typeAttribute); relsNode.Attributes.Append(targetAttribute); } System.Xml.XmlNode relationshipsNode = rootRelsDocument.SelectSingleNode("//rs:Relationships", relsNsmgr); relationshipsNode.AppendChild(relsNode); rootRelsDocument.Save(rootRelsFileFullPath); ZipFile zipPackages = new ZipFile(); zipPackages.UpdateZipFile(fileFullPath, rootRelsFileFullPath, @"_rels/.rels"); #endregion 更新文件:_rels\.rels } result = true; //清空资源 System.IO.Directory.Delete(currentBufferPath, true); } catch { result = false; } //返回结果 return result; }//end method private Boolean CreateCustomXml(String filePath) { Boolean result = false; //创建自定义属性XML文档 System.Xml.XmlDocument customXmlDoc = new System.Xml.XmlDocument(); //创建文档声明 System.Xml.XmlDeclaration xd = customXmlDoc.CreateXmlDeclaration("1.0", "UTF-8", "yes"); //创建属性根结构 System.Xml.XmlElement propertiesRoot = customXmlDoc.CreateElement("Properties"); //创建属性：xmlns System.Xml.XmlAttribute customAttribute = customXmlDoc.CreateAttribute("xmlns"); customAttribute.Value = "http://schemas.openxmlformats.org/officeDocument/2006/custom-properties"; //创建属性：xmlns:vt System.Xml.XmlAttribute vtAttribute = customXmlDoc.CreateAttribute("xmlns:vt"); vtAttribute.Value = "http://schemas.openxmlformats.org/officeDocument/2006/docPropsVTypes"; propertiesRoot.Attributes.Append(customAttribute); propertiesRoot.Attributes.Append(vtAttribute); //添加文档声明到XML文档 customXmlDoc.AppendChild(xd); //添加根结点 customXmlDoc.AppendChild(propertiesRoot); //保存到文件 customXmlDoc.Save(filePath); result = true; return result; } /// <summary> /// 删除指定文件的自定义属性 /// </summary> /// <param name="fileFullPath">指定的文件名</param> /// <param name="propertyName">自定义属性名称</param> /// <returns>删除成功返回 true; 否则返回 false</returns> public bool RemoveCustomProperty(String fileFullPath, String propertyName) { bool result = false; //如果指定的文件不存在，则返回 if (String.IsNullOrEmpty(fileFullPath) || !System.IO.File.Exists(fileFullPath)) return result; //创建目录用于提取属性文件 String systemTempPath = System.Environment.GetEnvironmentVariable("TEMP"); CREATEPAPH: String currentBufferPath = System.IO.Path.Combine(systemTempPath, System.Guid.NewGuid().ToString("N")); if (System.IO.Directory.Exists(currentBufferPath)) { goto CREATEPAPH; } System.IO.Directory.CreateDirectory(currentBufferPath); //提取文件到临时目录 UnZipFile unZip = new UnZipFile(); unZip.ExtractFile(fileFullPath, "docProps/custom.xml", currentBufferPath); //如果成功提取属性文件则读取其内容 String propertyFileFullPath = System.IO.Path.Combine(currentBufferPath, "custom.xml"); if (System.IO.File.Exists(propertyFileFullPath)) { //解析属性文件 System.Xml.XmlDocument propertyDocument = new System.Xml.XmlDocument(); propertyDocument.Load(propertyFileFullPath); System.Xml.XmlNamespaceManager nsmgr = new System.Xml.XmlNamespaceManager(propertyDocument.NameTable); nsmgr.AddNamespace("cp", "http://schemas.openxmlformats.org/officeDocument/2006/custom-properties"); nsmgr.AddNamespace("vt", "http://schemas.openxmlformats.org/officeDocument/2006/docPropsVTypes"); //解析属性集 System.Xml.XmlNodeList xmlNodes = propertyDocument.SelectNodes("//cp:Properties/cp:property", nsmgr); Boolean deleted = false; foreach (System.Xml.XmlNode x in xmlNodes) { String key = x.Attributes["name"] == null ? String.Empty : x.Attributes["name"].Value.ToString(); if (String.IsNullOrEmpty(key)) { continue; } String value = x.InnerText; if (key.Equals(propertyName)) { x.ParentNode.RemoveChild(x); propertyDocument.Save(propertyFileFullPath); deleted = true; break; } } if (deleted) { //保存临时目录中的文件到源文件包中 ZipFile zip = new ZipFile(); zip.UpdateZipFile(fileFullPath, propertyFileFullPath, @"docProps/custom.xml"); } } //清空资源 System.IO.Directory.Delete(currentBufferPath, true); //返回结果 return result; }//end method /// <summary> /// 修改指定文件的自定义属性 /// </summary> /// <param name="fileFullPath">指定的文件名</param> /// <param name="propertyName">自定义属性名称</param> /// <param name="propertyValue">自定义属性值</param> /// <returns>删除成功返回 true; 否则返回 false</returns> public bool SetCustomProperty(String fileFullPath, String propertyName, String propertyValue) { bool result = false; //如果指定的文件不存在，则返回 if (String.IsNullOrEmpty(fileFullPath) || !System.IO.File.Exists(fileFullPath)) return result; //创建目录用于提取属性文件 String systemTempPath = System.Environment.GetEnvironmentVariable("TEMP"); CREATEPAPH: String currentBufferPath = System.IO.Path.Combine(systemTempPath, System.Guid.NewGuid().ToString("N")); if (System.IO.Directory.Exists(currentBufferPath)) { goto CREATEPAPH; } System.IO.Directory.CreateDirectory(currentBufferPath); //提取文件到临时目录 UnZipFile unZip = new UnZipFile(); unZip.ExtractFile(fileFullPath, "docProps/custom.xml", currentBufferPath); //如果成功提取属性文件则读取其内容 String propertyFileFullPath = System.IO.Path.Combine(currentBufferPath, "custom.xml"); if (System.IO.File.Exists(propertyFileFullPath)) { //解析属性文件 System.Xml.XmlDocument propertyDocument = new System.Xml.XmlDocument(); propertyDocument.Load(propertyFileFullPath); System.Xml.XmlNamespaceManager nsmgr = new System.Xml.XmlNamespaceManager(propertyDocument.NameTable); nsmgr.AddNamespace("cp", "http://schemas.openxmlformats.org/officeDocument/2006/custom-properties"); nsmgr.AddNamespace("vt", "http://schemas.openxmlformats.org/officeDocument/2006/docPropsVTypes"); //解析属性集 System.Xml.XmlNodeList xmlNodes = propertyDocument.SelectNodes("//cp:Properties/cp:property", nsmgr); Boolean deleted = false; foreach (System.Xml.XmlNode x in xmlNodes) { String key = x.Attributes["name"] == null ? String.Empty : x.Attributes["name"].Value.ToString(); if (String.IsNullOrEmpty(key)) { continue; } String value = x.InnerText; if (key.Equals(propertyName)) { //创建字符值元素: System.Xml.XmlNode propertyValueNode = x.FirstChild;//.CreateElement("vt", "lpwstr", "http://schemas.openxmlformats.org/officeDocument/2006/docPropsVTypes"); propertyValueNode.InnerText = propertyValue; propertyDocument.Save(propertyFileFullPath); deleted = true; break; } } if (deleted) { //保存临时目录中的文件到源文件包中 ZipFile zip = new ZipFile(); zip.UpdateZipFile(fileFullPath, propertyFileFullPath, @"docProps/custom.xml"); } } //清空资源 System.IO.Directory.Delete(currentBufferPath, true); //返回结果 return result; }//end method }//end class
internal class Office2003Helper { /// <summary> /// 获取指定文件的自定义属性集 /// </summary> /// <param name="fileFullPath">指定的文件名</param> /// <returns>自定义属性集</returns> public Dictionary<string, string> GetCustomProperties(string fileFullPath) { //创建存储结果的 Dictionary 字典表 Dictionary<string, string> fileProperties = new Dictionary<string, string>(); //如果指定的文件不存在，则返回 if (String.IsNullOrEmpty(fileFullPath) || !System.IO.File.Exists(fileFullPath)) return fileProperties; //创建文件属性对象 OleDocumentPropertiesClass document = new DSOFile.OleDocumentPropertiesClass(); //以只读方式关联文件 Boolean openReadOnly = true; document.Open(fileFullPath, openReadOnly, DSOFile.dsoFileOpenOptions.dsoOptionOpenReadOnlyIfNoWriteAccess); //读取文件自定义属性 foreach (CustomProperty p in document.CustomProperties) { if (p.Type != dsoFilePropertyType.dsoPropertyTypeUnknown && p.Name != null) { fileProperties.Add(p.Name, p.get_Value().ToString()); } } //释放相关资源 document.Close(false); //返回结果 return fileProperties; }//end method /// <summary> /// 获取指定文件的自定义属性的值 /// </summary> /// <param name="fileFullPath">指定的文件完全限定名称</param> /// <param name="propertyName">自定义属性名称</param> /// <returns>如果成功，返加文件属性的值；否则返回null</returns> public string GetCustomProperty(string fileFullPath, object propertyName) { //创建存储结果的字符串 string propertyValue = String.Empty; //如果指定的文件不存在，则返回 if (String.IsNullOrEmpty(fileFullPath) || !System.IO.File.Exists(fileFullPath)) return null; //创建文件属性对象 OleDocumentPropertiesClass document = new DSOFile.OleDocumentPropertiesClass(); //以只读方式关联文件 Boolean openReadOnly = true; document.Open(fileFullPath, openReadOnly, DSOFile.dsoFileOpenOptions.dsoOptionOpenReadOnlyIfNoWriteAccess); //读取文件自定义属性 foreach (CustomProperty p in document.CustomProperties) { //判断指定名称的属性值是否存在 if (p.Type != dsoFilePropertyType.dsoPropertyTypeUnknown && p.Name.Equals(propertyName)) { propertyValue = p.get_Value().ToString(); break; } } //释放相关资源 document.Close(false); //返回结果 return propertyValue; }//end method /// <summary> /// 添加指定文件的自定义属性 /// </summary> /// <param name="fileFullPath">指定的文件完全限定名称</param> /// <param name="propertyName">自定义属性名称</param> /// <param name="proertyValue">自定义属性值</param> /// <returns>成功返回 true; 否则返回 false</returns> public bool AddCustomProperty(String fileFullPath, String propertyName, String proertyValue) { bool result = false; //如果指定的文件不存在，则返回 if (String.IsNullOrEmpty(fileFullPath) || !System.IO.File.Exists(fileFullPath)) return result; //创建文件属性对象 OleDocumentPropertiesClass document = new DSOFile.OleDocumentPropertiesClass(); //以只读方式关联文件 Boolean openReadOnly = false; document.Open(fileFullPath, openReadOnly, DSOFile.dsoFileOpenOptions.dsoOptionOpenReadOnlyIfNoWriteAccess); //读取文件自定义属性 Int32 oldCount = document.CustomProperties.Count; object prop = proertyValue; //如果存在此属性，则修改其值；否则创建属性 Boolean isExist = false; foreach (CustomProperty p in document.CustomProperties) { //判断指定名称的属性值是否存在 if (p.Type != dsoFilePropertyType.dsoPropertyTypeUnknown && p.Name.Equals(propertyName)) { p.set_Value(ref prop); isExist = true; break; } } Int32 newCount = 0; if (!isExist) { document.CustomProperties.Add(propertyName, ref prop); newCount= document.CustomProperties.Count; } try { if (newCount == oldCount + 1 || isExist) { if (document.IsDirty && !document.IsReadOnly) { document.Save(); } result = true; } } catch (Exception ex) { result = false; } //释放相关资源 document.Close(true); //返回结果 return result; }//end method /// <summary> /// 删除指定文件的自定义属性 /// </summary> /// <param name="fileFullPath">指定的文件名</param> /// <param name="propertyName">自定义属性名称</param> /// <returns>成功返回 true; 否则返回 false</returns> public bool RemoveCustomProperty(String fileFullPath, String propertyName) { bool result = false; //如果指定的文件不存在，则返回 if (String.IsNullOrEmpty(fileFullPath) || !System.IO.File.Exists(fileFullPath)) return result; //创建文件属性对象 OleDocumentPropertiesClass document = new DSOFile.OleDocumentPropertiesClass(); //以只读方式关联文件 Boolean openReadOnly = false; document.Open(fileFullPath, openReadOnly, DSOFile.dsoFileOpenOptions.dsoOptionUseMBCStringsForNewSets); //读取文件自定义属性 Int32 oldCount = document.CustomProperties.Count; Int32 newCount = 0; for (int i = 0; i < oldCount; i++) { CustomProperty p = document.CustomProperties[i]; if (p.Name != null && p.Name.Equals(propertyName)) { p.Remove(); newCount = document.CustomProperties.Count; //p = null; break; } } try { if (newCount == oldCount - 1) { if (document.IsDirty && !document.IsReadOnly) { document.Save(); } result = true; } } catch (Exception ex) { result = false; } //释放相关资源 document.Close(true); //返回结果 return result; }//end method /// <summary> /// 修改指定文件的自定义属性 /// </summary> /// <param name="fileFullPath">指定的文件名</param> /// <param name="propertyName">自定义属性名称</param> /// <param name="propertyValue">自定义属性值</param> /// <returns>成功返回 true; 否则返回 false</returns> public bool SetCustomProperty(String fileFullPath, String propertyName, String propertyValue) { bool result = false; //如果指定的文件不存在，则返回 if (String.IsNullOrEmpty(fileFullPath) || !System.IO.File.Exists(fileFullPath)) return result; //创建文件属性对象 OleDocumentPropertiesClass document = new DSOFile.OleDocumentPropertiesClass(); //以只读方式关联文件 Boolean openReadOnly = false; document.Open(fileFullPath, openReadOnly, DSOFile.dsoFileOpenOptions.dsoOptionOpenReadOnlyIfNoWriteAccess); //定位并修改文件自定义属性 foreach (CustomProperty p in document.CustomProperties) { if (p.Name != null && p.Name.Equals(propertyName)) { object prop=(object)propertyValue; p.set_Value(ref prop); break; } } try { if (document.IsDirty && !document.IsReadOnly) { document.Save(); } result = true; } catch (Exception ex) { result = false; } //释放相关资源 document.Close(true); //返回结果 return result; }//end method }//end class优质内容筛选与推荐>>
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