Google翻译接口(PHP API)

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1. /* Google翻译PHP接口
   
2.   * 官成文 2009-03-28
   
3.   * http://blog.csdn.net/aprin/
   
4.   * 注意：如果翻译文本为UTF-8编码，则要删去mb_convert_encoding函数
   
5.   */
   
6. class Google_API_translator {
   
7.   public $url = "http://translate.google.com/translate_t";
   
8. public $text = "";//翻译文本
   
9. public $out = ""; //翻译输出
   
10. function setText($text){
    
11.   $this->text = $text;
    
12.   }
    
13. function translate() {
    
14.   $this->out = "";
    
15. $gphtml = $this->postPage($this->url, $this->text);
    
16. //提取翻译结果
    
17. $out = substr($gphtml, strpos($gphtml, "
    
18. "));
    
19. $out = substr($out, 29);
    
20.   $out = substr($out, 0, strpos($out, "
    
21. ));
    
22. $this->out = $out;
    
23.   return $this->out;
    
24.   }
    
25. function postPage($url, $text) {
    
26.   $html =";
    
27. if($url != "" && $text != "") {
    
28.   $ch = curl_init($url);
    
29.   curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    
30.   curl_setopt($ch, CURLOPT_HEADER, 1);
    
31.   curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
    
32.   curl_setopt($ch, CURLOPT_TIMEOUT, 15);
    
33. /*
    
34.   *hl – 界面语言，此处无用。
    
35. *langpair – src lang to dest lang
    
36.   *ie – urlencode的编码方式?
    
37.   *text – 要翻译的文本
    
38. */
    
39.   $fields = array('hl=zh-CN', 'langpair=zh-CN|en', 'ie=UTF-8′,'text='.urlencode(mb_convert_encoding($text, 'UTF-8′, 'GB2312′)));
    
40.   curl_setopt($ch, CURLOPT_POST, 1);
    
41.   curl_setopt($ch, CURLOPT_POSTFIELDS, implode('&', $fields));
    
42. $html = curl_exec($ch);
    
43. if(curl_errno($ch)) $html = "";
    
44. curl_close ($ch);
    
45.   }
    
46.   return $html;
    
47.   }
    
48.   }
    
49. //just for test
    
50.   $g = new Google_API_translator();
    
51.   $g->setText("我爱php100!");
    
52.   $g->translate();
    
53.   echo $g->out;
    
54. ?>

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