asp.net c# 调用百度pai实现在线翻译,英文转中文

首先去百度：注册个apikey
http://developer.baidu.com/wiki/index.php?title=%E5%B8%AE%E5%8A%A9%E6%96%87%E6%A1%A3%E9%A6%96%E9%A1%B5/%E7%99%BE%E5%BA%A6%E7%BF%BB%E8%AF%91API
然后代码如下只看红色部分就可以了:
代码如下:

using System; 
using System.Collections.Generic; 
using System.Linq; 
using System.Web; 
using System.Web.UI; 
using System.Web.UI.WebControls; 
using System.Web.Script.Serialization; 
using System.Text.RegularExpressions; 
namespace Fangyi 
{ 
public partial class _Default : System.Web.UI.Page 
{ 
protected void Page_Load(object sender, EventArgs e) 
{ 
GSEntities db = new GSEntities(); 
for (int i = 740; i < 900000; i++) 
{ 
try 
{ 
System.Threading.Thread.Sleep(100); 
GetUrl("http://www.52mvc.com/story/love/" + i + ".html",db); //采集 
} 
catch (Exception ex) 
{ 
System.Threading.Thread.Sleep(1500); 
} 
} 
db.Dispose(); 
} 
private void GetUrl(string url, GSEntities db) 
{ 
content cc = new content(); 
string apikey = "WqLOfG9o2VS1lriX4mz3mDj8"; 
var enstr = GetHtml.getHtml(url, null); 
var title = Regex.Match(enstr.Replace("\n",""), @"<font style\=""font\-size\: 18px\; font\-weight\: bold\;""\>(.+?)\<\/font\>").Groups[1].Value; 
enstr = Regex.Replace(enstr, @"\r|\n", ""); 
enstr = ReHtml(enstr); 
enstr = Regex.Match(enstr, @"双击或拖选\)(.+?) ").Groups[1].Value; 
var atitle = GetHtml.getHtml("http://openapi.baidu.com/public/2.0/bmt/translate?client_id=" 
+ apikey + "&q=" + title + "&from=auto&to=auto", null); 
JavaScriptSerializer jss2 = new JavaScriptSerializer(); 
var aa2 = jss2.Deserialize<jsonss>(atitle); 
title = aa2.trans_result.First().dst; 
enstr = enstr.Trim(); 
string val = "\t\t"; 
if (enstr.Length < 2000) 
{ 
int i = 0; 
var list = enstr.Replace(" ", "").Replace(""", "“").Split('.').ToList(); 
list.ForEach(c => 
{ 
var a = GetHtml.getHtml("http://openapi.baidu.com/public/2.0/bmt/translate?client_id=" 
+ apikey + "&q=" + c + "&from=auto&to=auto", null); 
JavaScriptSerializer jss = new JavaScriptSerializer(); 
var aa = jss.Deserialize<jsonss>(a); 
val += aa.trans_result.First().dst + "。"; 
++i; 
if (i % 5 == 0) 
{ 
System.Threading.Thread.Sleep(15000); 
val += "\n\t\t"; 
} 
System.Threading.Thread.Sleep(1000); 
}); 
cc.title = title; 
cc.val = val; 
db.content.AddObject(cc); 
db.SaveChanges(); 
} 
} 
public string ReHtml(string HTML) 
{ 
string pattern = @"<[\s\S]*?>"; 
Regex regex = new Regex(pattern); 
HTML = regex.Replace(HTML, ""); 
return HTML; 
} 
//中文转为UNICODE字符 forget never 
public string ctu(string str) 
{ 
string outStr = ""; 
if (!string.IsNullOrEmpty(str)) 
{ 
for (int i = 0; i < str.Length; i++) 
{ 
//将中文字符转为10进制整数，然后转为16进制unicode字符 
outStr += "\\u" + ((int)str[i]).ToString("x"); 
} 
} 
return outStr; 
} 
//UNICODE字符转为中文 
public string utc(string str) 
{ 
string outStr = ""; 
if (!string.IsNullOrEmpty(str)) 
{ 
string[] strlist = str.Replace("\\", "").Split('u'); 
try 
{ 
for (int i = 1; i < strlist.Length; i++) 
{ 
//将unicode字符转为10进制整数，然后转为char中文字符 asp.net 
outStr += (char)int.Parse(strlist[i], System.Globalization.NumberStyles.HexNumber); 
} 
} 
catch (FormatException ex) 
{ 
outStr = ex.Message; 
} 
} 
return outStr; 
} 
} 
}