PHP翻译类库【有道、百度】

类库代码：

<?php
/*翻译器*/
namespace support\lib;
class Translator
{
private static function tranConfig()
{
$defaultConfig = [
'interval'  => '100',   //调用间隔（毫秒，1000毫秒=1秒）
'wait'      => '2',  //失败等待（秒）
'retry'     => '1', //失败重试次数
'pass_html' => true, //是否开启html过滤
'defaultApi' => 'baidu',   //默认接口
'spareApi'   => 'youdao',   //备用接口
'baidu'      => [
'appid' => '',
'key'   => ''
],
'youdao'     => [
'app_id' => '',
'key'    => ''
]
];
$tranConfig    = config('translate_config');
if (empty($tranConfig)) {
$tranConfig = $defaultConfig;
}
return $tranConfig;
}
public static $all_langs = array(
'zh'  => '中文',
'en'  => '英语',
'fra' => '法语',
'jp'  => '日语',
'kor' => '韩语',
'de'  => '德语',
'ru'  => '俄语',
'spa' => '西班牙语',
'pt'  => '葡萄牙语',
'it'  => '意大利语',
'ara' => '阿拉伯语',
'th'  => '泰语',
'el'  => '希腊语',
'nl'  => '荷兰语',
'pl'  => '波兰语',
'bul' => '保加利亚语',
'est' => '爱沙尼亚语',
'dan' => '丹麦语',
'fin' => '芬兰语',
'cs'  => '捷克语',
'rom' => '罗马尼亚语',
'slo' => '斯洛文尼亚语',
'swe' => '瑞典语',
'hu'  => '匈牙利语',
'tr'  => '土耳其语',
'id'  => '印尼语',
'ms'  => '马来西亚语',
'vie' => '越南语',
'yue' => '粤语',
'wyw' => '文言文',
'cht' => '繁体中文'
);
public static $allow_langs = array(
'baidu'  => array(
'zh'  => 'zh',
'en'  => 'en',
'fra' => 'fra',
'jp'  => 'jp',
'kor' => 'kor',
'de'  => 'de',
'ru'  => 'ru',
'spa' => 'spa',
'pt'  => 'pt',
'it'  => 'it',
'ara' => 'ara',
'th'  => 'th',
'el'  => 'el',
'nl'  => 'nl',
'pl'  => 'pl',
'bul' => 'bul',
'est' => 'est',
'dan' => 'dan',
'fin' => 'fin',
'cs'  => 'cs',
'rom' => 'rom',
'slo' => 'slo',
'swe' => 'swe',
'hu'  => 'hu',
'vie' => 'vie',
'yue' => 'yue',
'wyw' => 'wyw',
'cht' => 'cht'
),
'youdao' => array(
'zh'  => 'zh-CHS',
'en'  => 'en',
'jp'  => 'ja',
'kor' => 'ko',
'fra' => 'fr',
'spa' => 'es',
'pt'  => 'pt',
'it'  => 'it',
'ru'  => 'ru',
'vie' => 'vi',
'de'  => 'de',
'ara' => 'ar',
'id'  => 'id',
'it'  => 'it'
),
'qq'     => array(
'zh'  => 'zh',
'en'  => 'en',
'jp'  => 'jp',
'kor' => 'kr',
'de'  => 'de',
'fra' => 'fr',
'spa' => 'es',
'it'  => 'it',
'tr'  => 'tr',
'ru'  => 'ru',
'pt'  => 'pt',
'vie' => 'vi',
'id'  => 'id',
'ms'  => 'ms',
'th'  => 'th',
'cht' => 'zh-TW'
)
);
/*翻译入口*/
public static function translate($fieldVal, $params)
{
$transConf = self::tranConfig();
$pass_html = $transConf['pass_html'];
static $regEmpty = '/^([\s\r\n]|\&nbsp\;)*$/';
//开启html过滤
if ($pass_html == true) {
$htmlMd5List = [];
$txtMd5List  = [];
static $tagRegs = array(
'/<\![\s\S]*?>/',
'/<(script|style)[^\r\n]*?>[\s\S]*?<\/\1>/i',
'/<[\/]*\w+\b[^\r\n]*?>/'
);
foreach ($tagRegs as $tagReg) {
$fieldVal = preg_replace_callback($tagReg, function ($mhtml) use (&$htmlMd5List) {
$key               = '{'.md5($mhtml[0]).'}';
$htmlMd5List[$key] = $mhtml[0];
return $key;
}, $fieldVal);
}
if (empty($htmlMd5List)) {
//不包含html代码
if ( ! empty($fieldVal) && ! preg_match($regEmpty, $fieldVal)) {
$fieldVal = self::execute_translate($fieldVal, $params['from'], $params['to']);
}
} else {
//包含html代码
$fieldVal = preg_replace_callback('/([\s\S]*?)(\{[a-zA-Z0-9]{32}\})/i',
function ($mtxt) use (&$txtMd5List) {
$key              = '['.md5($mtxt[1]).']';
$txtMd5List[$key] = $mtxt[1];
return $key.$mtxt[2];
}, $fieldVal);
foreach ($txtMd5List as $k => $v) {
if ( ! empty($v) && ! preg_match($regEmpty, $v)) {
$txtMd5List[$k] = self::execute_translate($v, $params['from'], $params['to']);
}
}
if ( ! empty($txtMd5List)) {
$fieldVal = str_replace(array_keys($txtMd5List), $txtMd5List, $fieldVal);
}
if ( ! empty($htmlMd5List)) {
$fieldVal = str_replace(array_keys($htmlMd5List), $htmlMd5List, $fieldVal);
}
}
} else {
if ( ! empty($fieldVal) && ! preg_match($regEmpty, $fieldVal)) {
$fieldVal = self:: execute_translate($fieldVal, $params['from'], $params['to']);
}
}
return $fieldVal;
}
public static function translate_f($q, $from, $to, $returnState = false)
{
$transConf = self::tranConfig();
if (empty($from) || empty($to)) {
return $q;
}
$apiType   = strtolower($transConf['defaultApi']);
$spareType = strtolower($transConf['spareApi']);
if (empty($apiType)) {
return $q;
}
$allowLangs = self::$allow_langs[$apiType];
if (empty($allowLangs)) {
return $q;
}
$from = $allowLangs[$from];
$to   = $allowLangs[$to];
if (empty($from) || empty($to)) {
return $q;
}
if ($from == $to) {
return $q;
}
//默认线路执行失败后，执行备用线路
$return = self::sendTranslate($q, $apiType, $from, $to);
if ( ! empty($return) && $return['success'] === false) {
$return = self::sendTranslate($q, $spareType, $from, $to);
}
if ($returnState) {
return $return;
} else {
return empty($return['success']) ? $q : $return['data'];
}
}
public static function sendTranslate($q, $apiType, $from, $to)
{
switch ($apiType) {
case "baidu";
$return = self::api_baidu($q, $from, $to);
break;
case "youdao";
$return = self::api_youdao($q, $from, $to);
break;
case "qq";
$return = self::api_qq($q, $from, $to);
break;
}
return $return;
}
/*百度翻译接口*/
public static function api_baidu($q, $from, $to)
{
$apiConf = self::tranConfig()['baidu'];
$salt     = time();
$sign     = $apiConf['appid'].$q.$salt.$apiConf['key'];
$sign     = md5($sign);
$url      = "https://api.fanyi.baidu.com/api/trans/vip/translate";
$postData = [
'from'  => $from,
'to'    => $to,
'appid' => $apiConf['appid'],
'salt'  => $salt,
'sign'  => $sign,
'q'     => $q
];
$data     = curl_post($url, $postData);
$data     = json_decode($data, true);
$return = array('success' => false);
if ( ! empty($data['error_code'])) {
$return['error'] = 'error:'.$data['error_code'].'-'.$data['error_msg'];
} else {
$transData = '';
foreach ($data['trans_result'] as $trans) {
$transData .= $trans['dst']."\r\n";
}
if ($transData) {
$return['success'] = true;
$return['data']    = $transData;
}
}
return $return;
}
/*有道翻译接口*/
public static function api_youdao($q, $from, $to)
{
$apiConf = self::tranConfig()['youdao'];
$salt = time();
$sign = $apiConf['app_id'].$q.$salt.$apiConf['key'];
$sign = md5($sign);
$url      = "https://openapi.youdao.com/api";
$postData = [
'from'   => $from,
'to'     => $to,
'appKey' => $apiConf['app_id'],
'salt'   => $salt,
'sign'   => $sign,
'q'      => $q
];
$data     = curl_post($url, $postData);
$data     = json_decode($data, true);
$return = array('success' => false);
if ( ! empty($data['errorCode'])) {
$return['error'] = 'error:'.$data['errorCode'];
} else {
$transData = '';
foreach ($data['translation'] as $trans) {
$transData .= $trans."\r\n";
}
if ($transData) {
$return['success'] = true;
$return['data']    = $transData;
}
}
return $return;
}
/*腾讯翻译接口*/
public static function api_qq($q, $from, $to)
{
$apiConf = self::tranConfig()['qq'];
$SecretId  = $apiConf['secretid'];
$SecretKey = $apiConf['secretkey'];
$param               = array();
$param["Nonce"]      = rand();
$param["Timestamp"]  = time();
$param["Region"]     = "ap-shanghai";
$param["SecretId"]   = $SecretId;
$param["Action"]     = "TextTranslate";
$param["Version"]    = "2018-03-21";
$param["SourceText"] = $q;
$param["Source"]     = $from;
$param["Target"]     = $to;
$param['ProjectId']  = '0';
ksort($param);
$signStr = "GETtmt.ap-shanghai.tencentcloudapi.com/?";
foreach ($param as $key => $value) {
$signStr = $signStr.$key."=".$value."&";
}
$signStr = substr($signStr, 0, -1);
$param['Signature'] = base64_encode(hash_hmac("sha1", $signStr, $SecretKey, true));
$return = array('success' => false);
ksort($param);
$url = '';
foreach ($param as $key => $value) {
$url = $url.$key."=".urlencode($value)."&";
}
$url = trim($url, '&');
$data = get_html('https://tmt.'.$param["Region"].'.tencentcloudapi.com/?'.$url, null, null, 'utf-8');
$data = json_decode($data, true);
if ( ! empty($data['Response']['TargetText'])) {
$return['success'] = true;
$return['data']    = $data['Response']['TargetText'];
}
return $return;
}
public static function get_api_langs($api)
{
$allowLangs = self::$allow_langs[$api];
if ( ! empty($allowLangs) && is_array($allowLangs)) {
foreach ($allowLangs as $k => $v) {
if (empty(self::$all_langs[$k])) {
unset($allowLangs[$k]);
} else {
$allowLangs[$k] = self::$all_langs[$k];
}
}
}
return is_array($allowLangs) ? $allowLangs : null;
}
/*数据处理:翻译*/
private static function execute_translate($q, $from, $to)
{
static $retryCur = 0;
$transConf = self::tranConfig();
$transConf['interval'] = intval($transConf['interval']);
$transConf['wait']     = intval($transConf['wait']);
$transConf['retry']    = intval($transConf['retry']);
$retryMax = $transConf['retry'];
$return = Translator::translate_f($q, $from, $to, true);
if (is_array($return)) {
if ($transConf['interval'] > 0) {
usleep($transConf['interval'] * 1000);
}
if ( ! empty($return['success'])) {
$retryCur = 0;
$return   = $return['data'];
} else {
if ($retryMax <= 0 || ($retryCur <= 0)) {
return error_json('数据处理»翻译失败');
}
if ($transConf['wait'] > 0) {
sleep($transConf['wait']);
}
if ($retryMax > 0) {
if ($retryCur < $retryMax) {
$retryCur++;
return self::execute_translate($q, $from, $to);
} else {
$retryCur = 0;
return error_json('数据处理»翻译：已重试'.$retryMax.'次，翻译无效');
}
}
}
}
return $return;
}
}
/**
* 返回success_json数组
* @param $arr
* @return string
*/
function success_json($msg = 'ok', $data = [], $count = 0, $url = '', $wait = 3)
{
$result = ['code' => 200, 'msg' => $msg, 'data' => $data];
return json($result);
}
/**
* 返回success_json数组
* @param $arr
* @return string
*/
function error_json($msg = 'error', $data = [], $url = '', $wait = 3)
{
$result = [
'code' => 0,
'msg'  => $msg,
'data' => $data,
];
return json($result);
}
?>