C#調用百度翻譯API實現(xiàn)一個翻譯功能
前言
雖然百度翻譯相對于谷歌翻譯在準確性方面還有很大的提升空間,但網(wǎng)絡的現(xiàn)實情況及百度翻譯接口的免費易用性方面讓我們選擇百度翻譯接口。下面來一起看看詳細的步驟吧
方法如下
appId 和 passWord 需要到百度翻譯開放平臺申請
using System;
using System.Net;
using System.Web.Security;
using System.Web.Script.Serialization;
namespace TranslatorOfWang
{
class TranslateFunction
{
public static string Translate(string content)
{
string languageFrom = "en", languageTo = "zh";
if (Translate(content, languageFrom, languageTo).Error_code == null)
{
return Translate(content, languageFrom, languageTo).Trans_result[0].Dst;
}
else
return Translate(content, languageFrom, languageTo).Error_msg;
}
public static PostResult Translate(string content, string languageFrom, string languageTo)
{
string appId = "2018111519456789", passWord = "gMk8wEKxENvbpUcvFxxx", randomNum = new Random().Next().ToString();
string md5Sign = FormsAuthentication.HashPasswordForStoringInConfigFile(appId + content + randomNum + passWord, "MD5").ToLower();
string FullRequest = "http://api.fanyi.baidu.com/api/trans/vip/translate?q=" + content + "&from=" + languageFrom + "&to=" + languageTo + "&appid=" + appId + "&salt=" + randomNum + "&sign=" + md5Sign;
string m_Content = new WebClient().DownloadString(FullRequest);
PostResult m_postResult = new JavaScriptSerializer().Deserialize<PostResult>(m_Content);
return m_postResult;
}
public class PostResult{
public string Error_code { set; get; }
public string Error_msg { set; get; }
public string From { set; get; }
public string To { set; get; }
public TranslateContent[] Trans_result { set; get; }
}
public class TranslateContent
{
public string Src { set; get; }
public string Dst { set; get; }
}
}
}
PostResult為百度API返回的值類型組成的一個自定義類,類里的每個名字和百度翻譯API返回值里名字要一致。
升級功能:
先將要翻譯的文本寫入TXT文檔,存入主目錄下的File目錄下,可以用以下代碼讀取后翻譯,用以解決每次翻譯,百度翻譯有句子長短限制的問題。TBTxtName.txt為要翻譯的文件名,要替換的符號以及語言可自己選擇。
public void ReadAndTranslate()
{
string TextName = “TBTxtName.txt”;
string path = "File/";
StreamReader sr = new StreamReader(path + TextName + ".txt", Encoding.Default);
StreamWriter m_SW = new StreamWriter(path + DateTime.Now.ToString("yyyymmddhhmm") + "TransLated" + ".txt", true);
//去除符號重新定義句子
string xx = sr.ReadToEnd();
string[] split = xx.Split(new char[] { '.','!','?', ';', ',', ':' });
string content;
for (int i = 0; i < split.Length; i++)
{
content = split[i];
if (content != null & content != "" & content != " " & content != "\n" & content != "\t" & content != "\r")
{
string line = TranslationFunction.Translate(content);
m_SW.WriteLine(line);
//m_SW.WriteLine(content);
}
}
m_SW.Dispose();
m_SW.Close();
}
總結
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