Google翻译接口（PHP API）

/* Google翻译PHP接口
 * 官成文 2009-03-28
 * http://blog.csdn.net/aprin/
 * 注意：如果翻译文本为UTF-8编码，则要删去mb_convert_encoding函数
 */ 

class Google_API_translator {
 public $url = “http://translate.google.com/translate_t”;
public $text = “”;//翻译文本
public $out = “”; //翻译输出 

function setText($text){
 $this->text = $text;
 } 

function translate() {
 $this->out = “”; 

$gphtml = $this->postPage($this->url, $this->text); 

//提取翻译结果
$out = substr($gphtml, strpos($gphtml, “ 

“));
 $out = substr($out, 29);
 $out = substr($out, 0, strpos($out, “
 
“)); 

$this->out = $out;
 return $this->out;
 } 

function postPage($url, $text) {
 $html =”; 

if($url != “” && $text != “”) {
 $ch = curl_init($url);
 curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
 curl_setopt($ch, CURLOPT_HEADER, 1);
 curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
 curl_setopt($ch, CURLOPT_TIMEOUT, 15); 

/*
 *hl – 界面语言，此处无用。
*langpair – src lang to dest lang
 *ie – urlencode的编码方式?
 *text – 要翻译的文本
*/
 $fields = array(‘hl=zh-CN’, ‘langpair=zh-CN|en’, ‘ie=UTF-8′,’text=’.urlencode(mb_convert_encoding($text, ‘UTF-8′, ‘GB2312′)));
 curl_setopt($ch, CURLOPT_POST, 1);
 curl_setopt($ch, CURLOPT_POSTFIELDS, implode(‘&’, $fields)); 

$html = curl_exec($ch);
 if(curl_errno($ch)) $html = “”;
curl_close ($ch);
 }
 return $html;
 }
 } 

//just for test
 $g = new Google_API_translator();
 $g->setText(“我爱Java！”);
 $g->translate();
 echo $g->out;
 ?>