PHP调用Google翻译的程序类

xiaoxiao2021-02-28  2

/* *Google翻译PHP接口 */ $Google = new Google(); echo $Google->translate('中国', 'en'); class Google{ public $out = ""; public $google_translator_url = 'http://translate.google.com/translate_a/t'; public $text = ''; public $from = ''; public $to = ''; function setText($text){ $this->text = $text;} function translate($text, $to = 'ru'){ $this->out = ""; $this->text = $text; $this->from = 'zh_CN'; $this->to = $to; $gphtml = $this->postPage(); $arr = $this->decode($gphtml, 1); if(is_array($arr['sentences'])){ foreach ($arr['sentences'] as $val){ $this->out .= $val['trans']; } } return $this->out; } function postPage(){ $sockfd=socket_create(AF_INET,SOCK_STREAM,getprotobyname("tcp")); $enctext=urlencode($this->text); $post_fields="sl={$this->from}&tl={$this->to}&client=json&ie=UTF-8&oe=UTF-8&text={$enctext}"; $post_content_length=strlen($post_fields); $post_org="POST /translate_a/t HTTP/1.1rnHost: translate.google.comrnConnection: ClosernAccept-Encoding: gzip,deflate,sdchrnContent-Length: ".$post_content_length."rnrn".$post_fields; $ip=gethostbyname("translate.google.com"); socket_connect($sockfd,$ip,80); socket_send($sockfd,$post_org,strlen($post_org),0); $buffer=""; $html=""; while(!strstr($buffer,"rnrn")){ $buf=""; $n=socket_recv($sockfd,$buf,2048,0); if($n!=0 && $n!=-1) { $buffer.=$buf; } } $header=substr($buffer,0,strpos($buffer,"rnrn")); //echo $post_org."rn".$buffer;exit; if(!strstr($header,"chunked")){ $html=substr($buffer,strpos($buffer,"rnrn")+4); while(1){ $nrecv=socket_recv($sockfd,$buf,1024,0); if($nrecv!=0 && $nrecv!=-1){ $html.=$buf; }else{ socket_close($sockfd); return $this->decodeUnicode($html); } } } $html=""; $body=substr($buffer,strpos($buffer,"rnrn")+4); $buf=""; $lastlen=0; $recvloop=TRUE; $bufferloop=TRUE; $nRemainLen=0; while($recvloop){ while($bufferloop){ if($lastlen!=0){ $body=substr($body,$lastlen); } $pos=strpos($body,"rn"); $len=hexdec(substr($body,0,$pos)); if($len!=0){ $body=substr($body,$pos+2); if(strlen($body)>$len+2){ $html.=substr($body,0,$len); $body=substr($body,$len+$pos+4); $lastlen=0; }else{ $lastlen=$len+2-strlen($body); if($len<strlen($body)) $html.=substr($body,0,(strlen($body)-$len)-2); else $html.=$body; $bufferloop=FALSE; } }else{ return $this->decodeUnicode($html); } } $buf=""; $nrecv=socket_recv($sockfd,$buf,1024,0); if($nrecv!=0 && $nrecv!=-1){ $nRemainLen+=$nrecv; } if($nRemainLen>$lastlen) { $bufferloop=TRUE; $lastlen=$nrecv-($nRemainLen-$lastlen); $html.=substr($buf,0,$lastlen-2); $nRemainLen=0; } else $html.=$buf; } } function decode($json,$assoc = false){ $match = '/".*?(?<!\\)"/'; $string = preg_replace($match, '', $json); $string = preg_replace('/[,:{}[]0-9.-+Eaeflnr-u nrt]/', '', $string); if ($string != '') { return null;} $s2m = array(); $m2s = array(); preg_match_all($match, $json, $m); foreach ($m[0] as $s) { $hash = '"' . md5($s) . '"'; $s2m[$s] = $hash; $m2s[$hash] = str_replace('$', '$', $s); } $json = strtr($json, $s2m); $a = ($assoc) ? '' : '(object) '; $data = array( ':' => '=>', '[' => 'array(', '{' => "{$a}array(", ']' => ')', '}' => ')' ); $json = strtr($json, $data); $json = preg_replace('~([s(,>])(-?)0~', '$1$2', $json); $json = strtr($json, $m2s); $function = @create_function('', "return {$json};"); $return = ($function) ? $function() : null; unset($s2m); unset($m2s); unset($function); return $return; } function decodeUnicode($str) { return preg_replace_callback('/\\u([0-9a-f]{4})/i', create_function( '$matches', 'return mb_convert_encoding(pack("H*", $matches[1]), "UTF-8", "UCS-2BE");' ), $str); } }
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