此 C# 示例从本地文件转换 HTML:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.IO;
using HtmlAgilityPack;
namespace TranslationAssistant.Business
{
class HTMLTranslationManager
{
public static int DoTranslation(string htmlfilename, string fromlanguage, string tolanguage)
{
string htmldocument = File.ReadAllText(htmlfilename);
string htmlout = string.Empty;
HtmlDocument htmlDoc = new HtmlDocument();
htmlDoc.LoadHtml(htmldocument);
htmlDoc.DocumentNode.SetAttributeValue("lang", TranslationServices.Core.TranslationServiceFacade.LanguageNameToLanguageCode(tolanguage));
var title = htmlDoc.DocumentNode.SelectSingleNode("//head//title");
if (title != null) title.InnerHtml = TranslationServices.Core.TranslationServiceFacade.TranslateString(title.InnerHtml, fromlanguage, tolanguage, "text/html");
var body = htmlDoc.DocumentNode.SelectSingleNode("//body");
if (body != null)
{
if (body.InnerHtml.Length < 10000)
{
body.InnerHtml = TranslationServices.Core.TranslationServiceFacade.TranslateString(body.InnerHtml, fromlanguage, tolanguage, "text/html");
}
else
{
List<HtmlNode> nodes = new List<HtmlNode>();
AddNodes(body.FirstChild, ref nodes);
Parallel.ForEach(nodes, (node) =>
{
if (node.InnerHtml.Length > 10000)
{
throw new Exception("Child node with a length of more than 10000 characters encountered.");
}
node.InnerHtml = TranslationServices.Core.TranslationServiceFacade.TranslateString(node.InnerHtml, fromlanguage, tolanguage, "text/html");
});
}
}
htmlDoc.Save(htmlfilename, Encoding.UTF8);
return 1;
}
/// <summary>
/// Add nodes of size smaller than 10000 characters to the list, and recurse into the bigger ones.
/// </summary>
/// <param name="rootnode">The node to start from</param>
/// <param name="nodes">Reference to the node list</param>
private static void AddNodes(HtmlNode rootnode, ref List<HtmlNode> nodes)
{
string[] DNTList = { "script", "#text", "code", "col", "colgroup", "embed", "em", "#comment", "image", "map", "media", "meta", "source", "xml"}; //DNT - Do Not Translate - these nodes are skipped.
HtmlNode child = rootnode;
while (child != rootnode.LastChild)
{
if (!DNTList.Contains(child.Name.ToLowerInvariant())) {
if (child.InnerHtml.Length > 10000)
{
AddNodes(child.FirstChild, ref nodes);
}
else
{
if (child.InnerHtml.Trim().Length != 0) nodes.Add(child);
}
}
child = child.NextSibling;
}
}
}
}
这是 http://github.com/microsofttranslator/documenttranslator中的 HTMLTranslationManager.cs ,它使用了 TranslationServiceFacade.cs 中的帮助函数 TranslateString()。您可以简化并在此处插入翻译服务调用来代替 TranslateString()。