<?php $orderno = $_POST['orderno']; $rechargestatus = $_POST['rechargestatus']; $arr = array('orderno'=>$orderno,'outorderno'=>$_POST['outorderno'],'fuelcard'=>$_POST['fuelcard'],'rechargestatus'=>$_POST['rechargestatus'],'amount'=>$_POST['amount'],'totalfee'=>$_POST['totalfee']); $appsecret = '123456789';//用户appsecret if(checkSign($arr, $appsecret, $_POST['sign'])) { //1成功 2充值失败 0充值中 switch($rechargestatus) { case '1': { //充值成功 // break; } case '2': { //充值失败 break; } } if($rechargestatus != 0) echo 'success'; exit(); } /** * 验证签名 * */ function checkSign($queryarr, $appsecret, $signature) { $str = makeSign($queryarr, $appsecret); if($str == strtolower($signature)) return true; else return false; } /** * 生成签名 * */ function makeSign($queryarr, $appsecret) { ksort($queryarr, SORT_STRING); $str = implode($queryarr); $str .= $appsecret; //exit($str); $str = md5($str); return $str; }