``` ~~~ <?php namespace app\common\service; //百度翻译 class Translate { const CURL_TIMEOUT=20; const URL="http://api.fanyi.baidu.com/api/trans/vip/translate"; const APP_ID='2044032'; const SEC_KEY='1qpwUzJSV'; //翻译 public static function translate($query, $from='zh', $to='pt') { $args = array( 'q' => $query, 'appid' => self::APP_ID, 'salt' => rand(10000,99999), 'from' => $from, 'to' => $to, ); $args['sign'] = self::buildSign($query, self::APP_ID, $args['salt'], self::SEC_KEY); $ret = self::call(self::URL, $args); $ret = json_decode($ret, true); if (isset($ret['trans_result'])){ $result=$ret['trans_result'][0]['dst']; }else{ $result=''; } return $result; } //语言列表 protected static function lange_list($yu){ $arr=[ '葡萄牙语'=>'pt', '中文'=>'zh', '英语' =>'en', '西班牙语'=>'spa' ]; return $arr[$yu] ?? 'en' ; } //加密 protected static function buildSign($query, $appID, $salt, $secKey) { $str = $appID . $query . $salt . $secKey; $ret = md5($str); return $ret; } //发起网络请求 protected static function call($url, $args=null, $method="post", $testflag = 0, $timeout = self::CURL_TIMEOUT, $headers=array()) { $ret = false; $i = 0; while($ret === false) { if($i > 1) break; if($i > 0) { sleep(1); } $ret = self::callOnce($url, $args, $method, false, $timeout, $headers); $i++; } return $ret; } protected static function callOnce($url, $args=null, $method="post", $withCookie = false, $timeout = self::CURL_TIMEOUT, $headers=array()) { $ch = curl_init(); if($method == "post") { $data = self::convert($args); curl_setopt($ch, CURLOPT_POSTFIELDS, $data); curl_setopt($ch, CURLOPT_POST, 1); } else { $data = self::convert($args); if($data) { if(stripos($url, "?") > 0) { $url .= "&$data"; } else { $url .= "?$data"; } } } curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_TIMEOUT, $timeout); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); if(!empty($headers)) { curl_setopt($ch, CURLOPT_HTTPHEADER, $headers); } if($withCookie) { curl_setopt($ch, CURLOPT_COOKIEJAR, $_COOKIE); } $r = curl_exec($ch); curl_close($ch); return $r; } protected static function convert(&$args) { $data = ''; if (is_array($args)) { foreach ($args as $key=>$val) { if (is_array($val)) { foreach ($val as $k=>$v) { $data .= $key.'['.$k.']='.rawurlencode($v).'&'; } } else { $data .="$key=".rawurlencode($val)."&"; } } return trim($data, "&"); } return $args; } } ~~~ ```