ruby TK版本的google翻译机

require  ' net/http '
require  ' tk '
require  ' logger '
# 设置代理
$proxy_addr = ' x.x.x.x '
$proxy_port = ' 80 '
class  GoogleTranslate
  def  initialize(url)
    @log  =  Logger.new( " translate.log " )
    @log.level  =  Logger::WARN
    @url = url
    ph = { ' padx ' => 50 , ' pady ' => 10 }
    root = TkRoot.new{ title  ' google 翻译程序 ' }
    top = TkFrame.new(root) {background  " white " }
    
     # checkbutton，用于选择翻译类别
    checked = TkVariable.new
    TkCheckButton.new(top) do
      text  ' cn-en '
      variable checked
      pack({ ' padx ' => 8 , ' pady ' => 10 })
    end  
    TkLabel.new(top){ text  ' Enter text: ' ;pack(ph)}
    
    @text = TkVariable.new
    @result = TkVariable.new
    TkEntry.new(top, ' textvariable ' => @text, ' width ' => 40 ).pack(ph)
    pig_b = TkButton.new(top){text  ' 翻译 ' ;pack ph}
     # 翻译按钮事件
    pig_b.command{ translate(checked.value) }
    
    TkLabel.new(top){ text  ' Translate Result: ' ;pack(ph)}
    TkEntry.new(top, ' textvariable ' => @result, ' width ' => 40 ).pack(ph)
    pig_a = TkButton.new(top) do
      text  ' Exit '
      pack ph
      command {exit}
    end
    top.pack( ' fill ' => ' both ' , ' side ' => ' top ' )
  end
   def  translate(checked)
    langpair = ' en|zh-CN '  
    langpair = ' zh-CN|en '   if  checked == ' 1 '
     # 开一个新线程处理
    Thread.new do
      begin
        response = Net::HTTP.Proxy($proxy_addr,$proxy_port).post_form(URI.parse(@url),
            { ' text ' => @text.value, ' langpair ' => langpair})
        response.body  =~   /< div id = result_box dir = ltr > (. * ?) < \ / div >/
        @result.value = $ 1
        rescue Exception => e
        @log.error(e)
      end
    end
    
  end
end
GoogleTranslate.new( " http://translate.google.com/translate_t " )
Tk.mainloop

文章转自庄周梦蝶  ，原文发布时间 2007-09-04