<?php
/*** 文字转语音接口* 使用了阿里云的 语音合成REST接口* * 输入 get  ren  0|1 女男声* 输入 get  dir  文本 语音种类* 输入 post body 文本 语音原始文本* 返回 json* * 请以UTF-8格式编码后将需要合成的语音文本在POST body中上传* 单次请求限制为300个UTF-8字符，即每个汉字、数字、字母都算一个字符*/header('Access-Control-Allow-Origin:*');
header('Content-Type:application/json');/* 验证来源域名 */
//$origin = isset($_SERVER['HTTP_ORIGIN']) ? $_SERVER['HTTP_ORIGIN'] : '';/* 获得请求参数 */
//*
$txt = file_get_contents("php://input");
/*/
$txt = '金乡市场上货量在200辆左右，蒜车较昨日同时段略有减少，商贩要价随行或者坚持，开单验货的有十几家，以入库采购为主，收储商拿货积极性一般，挑拣一般质量的货源，交易氛围不浓，下货速度平缓，价格变动不明显。';
//*/if($txt == ''){echo '{"code":0,"txt":"txt is null"}';die();
}$type = 'mp3';$ren = isset($_GET['ren']) ? $_GET['ren'] : 0;switch ($ren) {case  0: $voice_name = 'xiaoyun'; break;case  1: $voice_name = 'xiaogang'; break;default: $voice_name = 'xiaoyun';
}$dirtxt = isset($_GET['dir']) ? $_GET['dir'] : 'dir';
$dirname = substr(md5($dirtxt),0,8);
$dirpath = dirname(__FILE__) .'/' . $dirname .'/';
mkdirs($dirpath);/*名称   类型  需求  缺省值     描述encode_type   String  选填  pcm     合成语音的编码格式，支持pcm/wav/mp3/alawvoice_name   String  选填  xiaoyun     xiaogang - 男，xiaoyun - 女volume   int     选填  50  0～100sample_rate     int     选填  16000   抽样频率率 8000／16000speech_rate  int     选填  0   语速 -500～500pitch_rate    int     选填  0   语调 -500～500tts_nus   int     选填  1   0 - 通过参数合成语音，1 - 拼接原始录音background_music_id   int     选填  无   播放语音时可选背景音乐，0，1background_music_offset    int     选填  0   背景音乐播放偏移时长，毫秒。当启用背景音乐时生效background_music_volume  int     选填  50  背景音乐音量，当启用背景音乐时生效，0～100*/$postUrl = 'https://nlsapi.aliyun.com/speak?encode_type='. $type .'&voice_name='.$voice_name.'&volume=100&tts_nus=1&speech_rate=50';$filename = sha1(sha1($postUrl).sha1($txt)) . '.' . $type;
$filepath = $dirpath . $filename;if(file_exists($filepath)){//文件存在，直接返回echo '{"code":1,"txt":"'.$dirname . '/' . $filename.'"}';
}else{/* 阿里云接口数据 *//* 语音合成请求实例POST https://nlsapi.aliyun.com/speak?encode_type=pcm&voice_name=xiaoyun&volume=50Date: Tue, 21 Mar 2017 11:42:00 GMTContent-type: text/plainAuthorization: Dataplus *****Accept: audio/pcm, application/jsonContent-Length: 36需要被转换的文本*//* (直播服务器) */$access_id = '';$access_secret = '';$method = 'POST';$accept = 'audio/'. $type .', application/json';$content_type = 'text/plain';$date = gmdate('D, d M Y H:i:s T');$bodyMd5 = base64_encode(md5($txt, true));$feature = $method . "\n" . $accept . "\n" . $bodyMd5 . "\n" . $content_type . "\n" . $date;$signature = base64_encode(hash_hmac("sha1", $feature, $access_secret, true));$header = array();$header[] = 'Authorization: Dataplus ' . $access_id . ':' . $signature;$header[] = 'Content-type: '.$content_type;$header[] = 'Accept: '.$accept;$header[] = 'Date: '.$date;$curl = curl_init();curl_setopt($curl, CURLOPT_URL, $postUrl);curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, 0);curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 2);curl_setopt($curl, CURLOPT_CAINFO, dirname(__FILE__).'/aliyuncom.pem');curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);curl_setopt($curl, CURLOPT_POST, true);curl_setopt($curl, CURLOPT_HTTPHEADER, $header);curl_setopt($curl, CURLOPT_POSTFIELDS, $txt);curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);curl_setopt($curl, CURLOPT_HEADER, 0);$r = curl_exec($curl);//var_dump($r);//$headerSize = curl_getinfo($r, CURLINFO_HEADER_SIZE);//$header = substr($r, 0, $headerSize);//echo $header;$content_type = curl_getinfo($curl,CURLINFO_CONTENT_TYPE);//echo "_{$content_type}_\n";if($content_type == 'audio/mp3'){file_put_contents($dirname . '/' . $filename, $r);echo '{"code":1,"txt":"'.$dirname . '/' . $filename.'"}';}else{echo '{"code":0,"txt":"curl error"}';}curl_close($curl);
}//建立多级目录
function mkdirs($dir){if(!is_dir($dir)){if (!mkdirs(dirname($dir)))return false;if (!mkdir($dir,0755))return false;}return true;
}