using System;using System.Collections.Generic;using System.Text;using System.Net;using System.IO;using Newtonsoft.Json;using System.Web;using System.Text.RegularExpressions;namespace Framework{ /// <summary> /// 语言类型 /// </summary> public class LanguageType { /// <summary> /// 中文 /// </summary> public static string Chinese = "zh-cn"; /// <summary> /// 英文 /// </summary> public static string English = "en"; } /// <summary> /// 翻译方式类型 /// </summary> public class TranslationType { /// <summary> /// Google /// </summary> public static string Google = "GoogleTanslater"; /// <summary> /// Bing /// </summary> public static string Bing = "MircsoftTanslater"; } /// <summary> /// 语言翻译类 /// </summary> public class Translater { /// <summary> /// 翻译方法 中文："zh-cn", 英文："en" type：MircsoftTanslater，GoogleTanslater /// </summary> /// <param name="sourceText">翻译原文</param> /// <param name="fromLanguage">原始语言</param> /// <param name="toLanguage">目标语言</param> /// <param name="type">翻译API</param> /// <returns>译文</returns> public static string Translate(string sourceText, string fromLanguage, string toLanguage, string type = "MircsoftTanslater") { string translateStr = string.Empty; switch (type) { case "MircsoftTanslater": translateStr = MircsoftTanslater(sourceText, fromLanguage, toLanguage);//"zh-cn", "en"; break; case "GoogleTanslater": translateStr = GoogleTranslater_PostMethod(sourceText, fromLanguage, toLanguage);//"zh-cn", "en"; break; } return translateStr; } #region Google 翻译： Get方式获取翻译 /// <summary> /// Google 翻译： Get方式获取翻译 /// </summary> /// <param name="sourceText"></param> /// <param name="fromType"></param> /// <param name="toType"></param> /// <returns></returns> private static string GoogleTranslater_GetMethod(string sourceText, string fromType, string toType) { string result; string langPair = fromType.ToLower() == "zh-cn" ? "zh|en" : "en|zh"; string url = "http://ajax.googleapis.com/ajax/services/language/translate?v=1.0&langpair=" + HttpUtility.UrlEncode(langPair) + "&q=" + HttpUtility.UrlEncode(sourceText); HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url); request.Method = "GET"; request.Referer = "http://www.my-ajax-site.com"; try { HttpWebResponse response = (HttpWebResponse)request.GetResponse(); Stream responseStream = response.GetResponseStream(); StreamReader reader = new StreamReader(responseStream, Encoding.GetEncoding("UTF-8")); string responseStr = reader.ReadToEnd(); ResponseResult readConfig = (ResponseResult)JavaScriptConvert.DeserializeObject(responseStr, typeof(ResponseResult)); if (readConfig.responseStatus == "200") { result = readConfig.responseData.translatedText; } else { result = readConfig.responseStatus; } } catch (Exception Ex) { result = "err:" + Ex.Message; } return result; } #endregion #region Google 翻译： Post方式获取翻译 /// <summary> /// Google 翻译： Post方式获取翻译 /// </summary> /// <param name="sourceText"></param> /// <param name="fromType"></param> /// <param name="toType"></param> /// <returns></returns> private static string GoogleTranslater_PostMethod(string sourceText, string fromType, string toType) { string fromLan = fromType.ToLower() == "zh-cn" ? "zh" : "en"; string toLan = toType.ToLower() == "zh-cn" ? "zh" : "en"; HttpWebRequest requestScore = (HttpWebRequest)WebRequest.Create("http://translate.google.com/translate_t#"); StringBuilder postContent = new StringBuilder(); Encoding myEncoding = Encoding.UTF8; postContent.Append(HttpUtility.UrlEncode("hl", myEncoding)); postContent.Append("="); postContent.Append(HttpUtility.UrlEncode("en", myEncoding)); postContent.Append("&"); postContent.Append(HttpUtility.UrlEncode("ie", myEncoding)); postContent.Append("="); postContent.Append(HttpUtility.UrlEncode("UTF-8", myEncoding)); postContent.Append("&"); postContent.Append(HttpUtility.UrlEncode("sl", myEncoding)); postContent.Append("="); postContent.Append(HttpUtility.UrlEncode(fromLan, myEncoding)); postContent.Append("&"); postContent.Append(HttpUtility.UrlEncode("text", myEncoding)); postContent.Append("="); postContent.Append(HttpUtility.UrlEncode(sourceText, myEncoding)); postContent.Append("&"); postContent.Append(HttpUtility.UrlEncode("tl", myEncoding)); postContent.Append("="); postContent.Append(HttpUtility.UrlEncode(toLan, myEncoding)); byte[] data = Encoding.ASCII.GetBytes(postContent.ToString()); requestScore.UserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; SV1; .NET CLR 1.1.4322; .NET CLR 2.0.50727)"; requestScore.Method = "Post"; //requestScore.ContentType = "application/x-www-form-urlencoded;charset=gb2312"; requestScore.ContentLength = data.Length; requestScore.KeepAlive = true; requestScore.Timeout = (6 * 60 * 1000); requestScore.ProtocolVersion = HttpVersion.Version10; Stream stream = requestScore.GetRequestStream(); stream.Write(data, 0, data.Length); stream.Close(); string content = string.Empty; try { System.Net.ServicePointManager.Expect100Continue = false; HttpWebResponse responseSorce = (HttpWebResponse)requestScore.GetResponse(); StreamReader reader = new StreamReader(responseSorce.GetResponseStream()); content = reader.ReadToEnd(); responseSorce.Close(); reader.Dispose(); stream.Dispose(); } catch (WebException ex) { HttpWebResponse responseSorce = (HttpWebResponse)ex.Response;//得到请求网站的详细错误提示 StreamReader reader = new StreamReader(responseSorce.GetResponseStream()); content = reader.ReadToEnd(); responseSorce.Close(); reader.Dispose(); stream.Dispose(); } finally { requestScore.Abort(); } string reg = @"<(?<HtmlTag>[\w]+)[^>]*\s[iI][dD]=(?<Quote>[""']?)result_box(?(Quote)\k<Quote>)[""']?[^>]*>((?<Nested><\k<HtmlTag>[^>]*>)|</\k<HtmlTag>>(?<-Nested>)|.*?)*</\k<HtmlTag>>"; //string reg = @"<(span) id=result_box [^>]*>.*?</\1>";//匹配出翻译内容 Regex r = new Regex(reg); MatchCollection mcItem = r.Matches(content); string result = ConvertHtmlToText(mcItem[0].Value); return result; } /// <summary> /// 将HTML转换为纯文本 /// </summary> /// <param name="source"></param> /// <returns></returns> public static string ConvertHtmlToText(string source) { // 代码的实现的思路是： //a、先将html文本中的所有空格、换行符去掉（因为html中的空格和换行是被忽略的） //b、将<head>标记中的所有内容去掉 //c、将<script>标记中的所有内容去掉 //d、将<style>标记中的所有内容去掉 //e、将td换成空格，tr,li,br,p 等标记换成换行符 //f、去掉所有以“<>”符号为头尾的标记去掉。 //g、转换&，&nbps;等转义字符换成相应的符号 //h、去掉多余的空格和空行 string result; //remove line breaks,tabs result = source.Replace("\r", " "); result = result.Replace("\n", " "); result = result.Replace("\t", " "); //remove the header result = Regex.Replace(result, "(<head>).*(</head>)", string.Empty, RegexOptions.IgnoreCase); result = Regex.Replace(result, @"<( )*script([^>])*>", "<script>", RegexOptions.IgnoreCase); result = Regex.Replace(result, @"(<script>).*(</script>)", string.Empty, RegexOptions.IgnoreCase); //remove all styles result = Regex.Replace(result, @"<( )*style([^>])*>", "<style>", RegexOptions.IgnoreCase); //clearing attributes result = Regex.Replace(result, "(<style>).*(</style>)", string.Empty, RegexOptions.IgnoreCase); //insert tabs in spaces of <td> tags result = Regex.Replace(result, @"<( )*td([^>])*>", " ", RegexOptions.IgnoreCase); //insert line breaks in places of <br> and <li> tags result = Regex.Replace(result, @"<( )*br( )*>", "\r", RegexOptions.IgnoreCase); result = Regex.Replace(result, @"<( )*li( )*>", "\r", RegexOptions.IgnoreCase); //insert line paragraphs in places of <tr> and <p> tags result = Regex.Replace(result, @"<( )*tr([^>])*>", "\r\r", RegexOptions.IgnoreCase); result = Regex.Replace(result, @"<( )*p([^>])*>", "\r\r", RegexOptions.IgnoreCase); //remove anything thats enclosed inside < > result = Regex.Replace(result, @"<[^>]*>", string.Empty, RegexOptions.IgnoreCase); //replace special characters: result = Regex.Replace(result, @"&", "&", RegexOptions.IgnoreCase); result = Regex.Replace(result, @" ", " ", RegexOptions.IgnoreCase); result = Regex.Replace(result, @"<", "<", RegexOptions.IgnoreCase); result = Regex.Replace(result, @">", ">", RegexOptions.IgnoreCase); result = Regex.Replace(result, @"&(.{2,6});", string.Empty, RegexOptions.IgnoreCase); //remove extra line breaks and tabs result = Regex.Replace(result, @" ( )+", " "); result = Regex.Replace(result, "(\r)( )+(\r)", "\r\r"); result = Regex.Replace(result, @"(\r\r)+", "\r\n"); return result; } #endregion #region 微软翻译 /// <summary> /// 微软翻译API : 语言类型："zh-cn", "en" /// </summary> /// <param name="orgStr">翻译原文</param> /// <param name="fromType">原文语言类型</param> /// <param name="toType">目标语言类型</param> /// <returns></returns> public static string MircsoftTanslater(string orgStr, string fromType, string toType) { string content = string.Empty; string appId = "56E164FED4017D272E06AD7E16778536251CA5CB"; string text = orgStr;// "Translate this for me"; string from = fromType;// "en"; string to = toType;// "zh-cn"; string uri = "http://api.microsofttranslator.com/v2/Http.svc/Translate?appId=" + appId + "&text=" + System.Web.HttpUtility.UrlEncode(text) + "&from=" + from + "&to=" + to; HttpWebRequest httpWebRequest = (HttpWebRequest)WebRequest.Create(uri); WebResponse response = null; try { response = httpWebRequest.GetResponse(); StreamReader reader = new StreamReader(response.GetResponseStream()); content = reader.ReadToEnd();//"<string xmlns=\"http://schemas.microsoft.com/2003/10/Serialization/\">Hello, China</string>" content = content.Replace("<string xmlns=\"http://schemas.microsoft.com/2003/10/Serialization/\">", ""); content = content.Replace("</string>", ""); response.Close(); reader.Dispose(); } catch (WebException e) { content = ProcessWebException(e, "Failed to translate"); } finally { if (response != null) { response.Close(); response = null; } } return content; } private static string ProcessWebException(WebException e, string message) { string result = string.Empty; result = string.Format("{0}: {1}", message, e.ToString()); // Obtain detailed error information string strResponse = string.Empty; using (HttpWebResponse response = (HttpWebResponse)e.Response) { using (Stream responseStream = response.GetResponseStream()) { using (StreamReader sr = new StreamReader(responseStream, System.Text.Encoding.ASCII)) { strResponse = sr.ReadToEnd(); } } } result = string.Format("Http status code={0}, error message={1}", e.Status, strResponse); return result; } #endregion } /// <summary> /// 翻译返回类 /// </summary> public class ResponseResult { public ResponseData responseData { get; set; } public string responseDetails { get; set; } public string responseStatus { get; set; } } /// <summary> /// /// </summary> public class ResponseData { public string translatedText { get; set; } }}
