我使用Open XML SDK (1.0)、Word 2007 内容控制工具包和 LINQ to SQL（使用 CodeSmith PLINQO 模板）构建了一个基于模板的文档生成器。为此，我通过使用源代码中指定的 DataLoadOptions 检索实体，将 LINQ to SQL 实体序列化为 XML。
这很好用，除了最初在我的模板中填充 XML，我目前必须从 VS2008 的即时窗口中复制并粘贴 XML 到内容控制工具包中，它仍然具有来自当前实体的所有数据。
我正在寻找两种解决方案： 1) 这是用 Word 2007 构建文档生成器的好方法吗？1) 如何在没有数据的情况下只生成我需要的 XML？我曾想过创建一个 XSD，然后创建一个空的 XML 文档，但不确定如何以编程方式执行此操作，以便业务用户可以获取模板的 XML。（这不是必需的，只是一个不错的选择。）
感谢您的反馈意见，
瑞安
多亏了Eric White先生的天才，我终于搞定了。我什至设法取消了对上述工具之一的使用（Word 2007 Content Control Toolkit）。以下是我现在正在采取的步骤：
我附上了我在以下上述步骤中使用的扩展方法：
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Xml;
using System.Xml.Linq;
using DocumentFormat.OpenXml.Packaging;
namespace OpenXmlDocGenerator
{
/// <summary>
/// Adds extensions for making the Open XML SDK and LINQ to XML easier to use.
/// </summary>
public static class OpenXmlExtensions
{
#region fields
private static readonly XNamespace w = "http://schemas.openxmlformats.org/wordprocessingml/2006/main";
private static readonly XName r = w + "r";
private static readonly XName ins = w + "ins";
private static readonly XNamespace ds = "http://schemas.openxmlformats.org/officeDocument/2006/customXml";
#endregion
#region methods
/// <summary>
/// Adds the custom XML part to the main document part.
/// </summary>
/// <param name="document">The main document part.</param>
/// <param name="customXml">The custom XML.</param>
/// <returns>The <see cref="CustomXmlPart" />.</returns>
public static void AddCustomXmlPart(this MainDocumentPart document, XDocument customXml)
{
CustomXmlPart customXmlPart = document.AddNewPart<CustomXmlPart>();
customXmlPart.PutXDocument(customXml);
}
/// <summary>
/// Adds the custom XML part with a custom XML properties to the main document part.
/// </summary>
/// <param name="mainPart">The main document part.</param>
/// <param name="customXml">The custom XML.</param>
/// <param name="customXmlProperties">The custom XML properties.</param>
public static void AddCustomXmlPart(
this MainDocumentPart mainPart, XDocument customXml, XDocument customXmlProperties)
{
CustomXmlPart customXmlPart = mainPart.AddNewPart<CustomXmlPart>();
CustomXmlPropertiesPart customXmlPropertiesPart = customXmlPart.AddNewPart<CustomXmlPropertiesPart>();
customXmlPropertiesPart.PutXDocument(customXmlProperties);
customXmlPart.PutXDocument(customXml);
}
/// <summary>
/// Clones the specified element.
/// </summary>
/// <param name="element">The element.</param>
/// <returns>The cloned <see cref="XElement" />.</returns>
public static XElement Clone(this XElement element)
{
return new XElement(element.Name,
element.Attributes(),
element.Nodes().Select(n =>
{
XElement e = n as XElement;
if (e != null)
{
return e.Clone();
}
return n;
}
),
(!element.IsEmpty && !element.Nodes().OfType<XText>().Any()) ? string.Empty : null
);
}
/// <summary>
/// Fills the specified element with the provided <paramref name="entityMap"/>.
/// </summary>
/// <param name="element">The element.</param>
/// <param name="entityMap">The entity map between the custom XML elements and the entity values.</param>
/// <returns>The filled <see cref="XElement"/>.</returns>
public static XElement Fill(this XElement element, IDictionary<string, object> entityMap)
{
return new XElement(element.Name,
element.Attributes(),
element.Nodes().Select(node =>
{
XElement childElement = node as XElement;
if (childElement != null)
{
// If the child element does not have elements,
// attempt to insert the value from the entity map;
// otherwise, recursively call the Fill() to find
// child elements to fill.
return !childElement.HasElements
? InsertValue(childElement, entityMap)
: childElement.Fill(entityMap);
}
return node;
}
),
(!element.IsEmpty && !element.Nodes().OfType<XText>().Any()) ? string.Empty : null
);
}
/// <summary>
/// Gets a descendant element of the specified element the by the descendant's name.
/// </summary>
/// <param name="element">The element from which to find the descendant element.</param>
/// <param name="descendantElementName">Name of the descendant element.</param>
/// <returns>The descendant <see cref="XElement" />.</returns>
/// <exception cref="ArgumentNullException">Thrown when the <paramref name="element"/> is null.</exception>
public static XElement GetDescendantByName(this XElement element, string descendantElementName)
{
if (element == null)
{
throw new ArgumentNullException("element");
}
return element.Elements().DescendantsAndSelf().FirstOrDefault(e => e.Name.LocalName == descendantElementName);
}
/// <summary>
/// Gets the custom XML from the main document part.
/// </summary>
/// <param name="mainPart">The main document part.</param>
/// <returns>The custom XML as a <see cref="XElement" />.</returns>
public static XElement GetCustomXml(this MainDocumentPart mainPart)
{
CustomXmlPart customXmlPart = mainPart.GetPartsOfType<CustomXmlPart>().FirstOrDefault();
return customXmlPart == null ? null : customXmlPart.GetXDocument().Root;
}
/// <summary>
/// Gets the XDocument from the document part.
/// </summary>
/// <param name="part">The document part.</param>
/// <returns>The XDocument.</returns>
public static XDocument GetXDocument(this OpenXmlPart part)
{
XDocument xdoc = part.Annotation<XDocument>();
if (xdoc != null)
{
return xdoc;
}
using (StreamReader streamReader = new StreamReader(part.GetStream()))
using (XmlReader xmlReader = XmlReader.Create(streamReader))
{
xdoc = XDocument.Load(xmlReader);
}
part.AddAnnotation(xdoc);
return xdoc;
}
/// <summary>
/// Determines whether the specified document is bindable.
/// </summary>
/// <param name="document">The document.</param>
/// <returns>
/// <c>true</c> if the specified document has a <see cref="CustomXmlPart" />; otherwise, <c>false</c>.
/// </returns>
public static bool IsBindable(this WordprocessingDocument document)
{
return document.MainDocumentPart.GetPartsCountOfType<CustomXmlPart>() > 0;
}
/// <summary>
/// Serializes the XDocument back into the package.
/// </summary>
/// <param name="part">The document part.</param>
/// <param name="xdoc">The <see cref="XDocument" />.</param>
public static void PutXDocument(this OpenXmlPart part, XDocument xdoc)
{
if (xdoc != null)
{
using (Stream stream = part.GetStream(FileMode.Create, FileAccess.ReadWrite))
using (XmlWriter partWriter = XmlWriter.Create(stream))
{
xdoc.Save(partWriter);
}
}
}
/// <summary>
/// Removes the custom XML parts.
/// </summary>
/// <param name="mainPart">The main document part.</param>
public static void RemoveCustomXmlParts(this MainDocumentPart mainPart)
{
if (mainPart.CustomXmlParts.Count() > 0)
{
mainPart.DeleteParts(mainPart.CustomXmlParts);
}
}
/// <summary>
/// Replaces the custom XML in the main document mainPart.
/// </summary>
/// <param name="mainPart">The main document part.</param>
/// <param name="customXml">The custom XML.</param>
public static void ReplaceCustomXml(this MainDocumentPart mainPart, XElement customXml)
{
if (customXml != null)
{
mainPart.RemoveCustomXmlParts();
CustomXmlPart customXmlPart = mainPart.AddNewPart<CustomXmlPart>();
using (Stream stream = customXmlPart.GetStream(FileMode.Create, FileAccess.ReadWrite))
using (XmlWriter writer = XmlWriter.Create(stream))
{
customXml.Save(writer);
}
}
}
/// <summary>
/// Translates the <paramref name="source"/> collection using the <paramref name="translate"/>,
/// then concatenates and returns the result.
/// </summary>
/// <typeparam name="T">The type of the items in the source.</typeparam>
/// <param name="source">The source.</param>
/// <param name="translate">The translation function to perform on each item in the source.</param>
/// <returns>The concatenated contents of the source collection.</returns>
public static string StringConcatenate<T>(this IEnumerable<T> source, Func<T, string> translate)
{
return source.Aggregate(new StringBuilder(), (s, i) => s.Append(translate(i)), s => s.ToString());
}
/// <summary>
/// Concatenates the items in the <paramref name="source"/> and returns the result.
/// </summary>
/// <param name="source">The source.</param>
/// <returns>The concatenated contents of the source collection.</returns>
public static string StringConcatenate(this IEnumerable<string> source)
{
return source.Aggregate(new StringBuilder(), (s, i) => s.Append(i), s => s.ToString());
}
/// <summary>
/// Creates a bindable version of the <see cref="WordprocessingDocument" />.
/// </summary>
/// <param name="document">The document.</param>
/// <returns>The <see cref="WordprocessingDocument" />.</returns>
/// <seealso cref="http://blogs.msdn.com/ericwhite/archive/2008/10/19/creating-data-bound-content-controls-using-the-open-xml-sdk-and-linq-to-xml.aspx"/>
public static WordprocessingDocument ToBindable(this WordprocessingDocument document)
{
foreach (MainDocumentPart mainPart in document.GetPartsOfType<MainDocumentPart>())
{
mainPart.RemoveCustomXmlParts();
Guid id = Guid.NewGuid();
XDocument customXml = mainPart.CreateCustomXml();
XDocument customXmlProperties = CreateCustomXmlProperties(id);
mainPart.AddCustomXmlPart(customXml, customXmlProperties);
XDocument partXDoc = mainPart.GetXDocument();
AddDataBinding(partXDoc, id);
mainPart.PutXDocument(partXDoc);
}
return document;
}
#region --private
/// <summary>
/// Adds data binding to the content controls.
/// </summary>
/// <param name="mainDocumentXDoc">The main document <see cref="XDocument" />.</param>
/// <param name="id">The id.</param>
private static void AddDataBinding(XDocument mainDocumentXDoc, Guid id)
{
foreach (XElement sdt in mainDocumentXDoc.Descendants(w + "sdt"))
{
sdt.Element(w + "sdtPr")
.Element(w + "placeholder")
.AddAfterSelf(
new XElement(w + "dataBinding",
new XAttribute(w + "xpath",
"/root/" + sdt.Element(w + "sdtPr")
.Element(w + "tag")
.Attribute(w + "val").Value),
new XAttribute(w + "storeItemID",
"{" + id.ToString().ToUpper() + "}")
)
);
}
}
/// <summary>
/// Creates the custom XML from the existing content controls.
/// </summary>
/// <param name="mainPart">The main document part.</param>
/// <returns>The custom XML as a <see cref="XDocument" />.</returns>
private static XDocument CreateCustomXml(this MainDocumentPart mainPart)
{
XElement customXml =
new XElement("root",
mainPart
.GetXDocument()
.Descendants(w + "sdt")
.Select(sdt =>
new XElement(
sdt.Element(w + "sdtPr")
.Element(w + "tag")
.Attribute(w + "val").Value,
GetTextFromContentControl(sdt).Trim())
)
);
return new XDocument(customXml);
}
/// <summary>
/// Creates the custom XML property part contents.
/// </summary>
/// <param name="id">The id.</param>
/// <returns>The contents of the custom XML properties part.</returns>
private static XDocument CreateCustomXmlProperties(Guid id)
{
return new XDocument(
new XElement(ds + "datastoreItem",
new XAttribute(ds + "itemID",
"{" + id.ToString().ToUpper() + "}"),
new XAttribute(XNamespace.Xmlns + "ds",
ds.NamespaceName),
new XElement(ds + "schemaRefs")
)
);
}
/// <summary>
/// Gets the text from content control.
/// </summary>
/// <param name="contentControlNode">The content control node.</param>
/// <returns>The string representation of the value in the content control.</returns>
static string GetTextFromContentControl(XElement contentControlNode)
{
return contentControlNode.Descendants(w + "p")
.Select(p => p.Elements()
.Where(z => z.Name == r || z.Name == ins)
.Descendants(w + "t")
.StringConcatenate(element => (string)element) + Environment.NewLine)
.StringConcatenate();
}
/// <summary>
/// Inserts the value from the <paramref name="entityMap"/> into the <paramref name="childElement"/>.
/// </summary>
/// <param name="childElement">The child element.</param>
/// <param name="entityMap">The entity map.</param>
private static XElement InsertValue(XElement childElement, IDictionary<string, object> entityMap)
{
string name = childElement.Name.LocalName;
if (entityMap.Keys.Contains(name))
{
childElement.SetValue(entityMap[name] ?? string.Empty);
}
else
{
childElement.SetValue(string.Empty);
}
return childElement;
}
#endregion
#endregion
}
}