PHP代碼轉成java代碼

<?php function bter_query($path, array $req = array()) { // API settings, add your Key and Secret at here $key = ''; $secret = ''; // generate a nonce to avoid problems with 32bits systems $mt = explode(' ', microtime()); $req['nonce'] = $mt[1].substr($mt[0], 2, 6); // generate the POST data string $post_data = http_build_query($req, '', '&'); $sign = hash_hmac('sha512', $post_data, $secret); // generate the extra headers $headers = array( 'KEY: '.$key, 'SIGN: '.$sign, ); //!!! please set Content-Type to application/x-www-form-urlencoded if it's not the default value // curl handle (initialize if required) static $ch = null; if (is_null($ch)) { $ch = curl_init(); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/4.0 (compatible; Bter PHP bot; '.php_uname('a').'; PHP/'.phpversion().')' ); } curl_setopt($ch, CURLOPT_URL, 'https://bter.com/api/'.$path); curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data); curl_setopt($ch, CURLOPT_HTTPHEADER, $headers); curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE); // run the query $res = curl_exec($ch); if ($res === false) throw new Exception('Curl error: '.curl_error($ch)); //echo $res; $dec = json_decode($res, true); if (!$dec) throw new Exception('Invalid data: '.$res); return $dec; } function get_top_rate($pair, $type='BUY') { $rate = 0; // our curl handle (initialize if required) static $ch = null; if (is_null($ch)) { $ch = curl_init(); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/4.0 (compatible; Bter PHP bot; '.php_uname('a').'; PHP/'.phpversion().')' ); } curl_setopt($ch, CURLOPT_URL, 'https://bter.com/api/1/depth/'.$pair); curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE); // run the query $res = curl_exec($ch); if ($res === false) throw new Exception('Could not get reply: '.curl_error($ch)); //echo $res; $dec = json_decode($res, true); if (!$dec) throw new Exception('Invalid data: '.$res); if (strtoupper($type) == 'BUY') { $r =  $dec['bids'][0]; $rate = $r[0]; } else  { $r = end($dec['asks']); $rate = $r[0]; } return $rate; } try { // example 1: get funds var_dump(bter_query('1/private/getfunds')); // example 2: place a buy order $pair = 'ltc_btc'; $type = 'buy'; $rate = get_top_rate($pair, $type) * 1.01; var_dump(bter_query('1/private/placeorder', array( 'pair' => "$pair", 'type' => "$type", 'rate' => "$rate", 'amount' => '0.01', )   ) ); // example 3: cancel an order var_dump(bter_query('1/private/cancelorder', array('order_id' => 125811))); // example 4: get order status var_dump(bter_query('1/private/getorder', array('order_id' => 15088))); //example 5: list all open orders var_dump(bter_query('1/private/orderlist')); } catch (Exception $e) { echo "Error:".$e->getMessage(); } ?>

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