<? require_once "../include.php"; if(isset($_GET['code']) == FALSE){ $longnum=$_POST['longnum']; // $_SESSION['test'] = "ある"; $api = new api(); $api -> message($longnum); //测试 $info = array('code' => $_SESSION['code']); $codeinfo = json_encode($info); echo $codeinfo; }else{ //判断是否存在session['code'],有则证明已经获取了验证码 $code = isset($_SESSION['code']) ? $_SESSION['code'] : null; //如果有获取验证码 if($code != null){ //验证码转换为json字符串 $info = array('code' => $code); $codeinfo = json_encode($info); echo $codeinfo; //没有获取验证码,返回json字符串none }else{ $info = array('code' => 'none'); $codeinfo = json_encode($info); echo $codeinfo; } } ?>