protected function create_order($user_id, $trade_type, $attach, $fee, $open_id = null)
{
// 商户号 + 用户id + uniqid生成的随机字符串
$out_trade_no = WxPayConfig::MCHID . uniqid($user_id);
// 需重置下当前时区，PHP配置文件不知为何不起作用
//date_default_timezone_set('PRC');
// 统一下单
$input = new WxPayUnifiedOrder();
$input->SetBody("挂号费");
$input->SetAttach($attach);
$input->SetOut_trade_no($out_trade_no);
// 测试用1分钱
$input->SetTotal_fee(1);
$current_time = time();
$start = date('YmdHis', $current_time);
$expire = date('YmdHis', $current_time + 3600);
// 下单时间：当前时间
$input->SetTime_start($start);
// 失效时间：测试用一个小时
$input->SetTime_expire($expire);
$input->SetGoods_tag("挂号费");
$input->SetNotify_url("http://test.zerioi.com/pay/wxpay_notify");
$input->SetTrade_type($trade_type);
// JSAPI调用支付需设置open_id
if ($open_id) {
$input->SetOpenid($open_id);
}
$record = new WeixinPay();
$record->trade_no = $out_trade_no;
$record->trade_type = $trade_type;
$record->time_start = $start;
$record->time_expire = $expire;
$record->user_id = $user_id;
$record->open_id = $open_id;
$record->attach = $attach;
$record->total_fee = $fee;
$record->status = 'UNFINISHED';
if (!$record->save()) {
throw new Exception("Could not save pay parameters");
}
return WxPayApi::unifiedOrder($input);
}
