/**
* 输出还款html代码
*
* @param string $order_id 订单编号
* @param number $issue 期号，0表示支付首付，其它表示指定账单，仅配合month=1使用
* @param number $month 还款月份，0表示一次性还清，其它表示还款的期数
*/
public function alipay($order_id, $issue = 0, $month = 1)
{
// 获取并验证订单
$user = get_user() or $this->error('请先登录！', '/login');
$orderModel = new \Loan\Model\OrderModel();
$billModel = new \Loan\Model\BillModel();
$order = $orderModel->field('status,first_money,is_allow_prepayment')->where(['uid' => $user['uid'], 'id' => $order_id])->find() or $this->error('找不到此订单信息！');
$issue = intval($issue);
$month = intval($month);
if ($month == 1) {
if ($issue == 0) {
// 正常支付首付
$order['status'] == $orderModel::STATUS_UNPAY or $this->error('此订单状态当前不允许支付首付！');
$subject = '指尖分期-支付首付';
$money = $order['first_money'];
} else {
// 正常支付指定账单
if ($order['status'] == $orderModel::STATUS_UNPAY) {
$this->error('请先支付首付！');
}
in_array($order['status'], $orderModel->allowRepayStatus()) or $this->error('当前订单状态不允许执行还款！');
// 获取并验证账单信息
$bill = M('loan_bill')->field('issue,money_total,return_money,status')->where(['order_id' => $order_id, 'issue' => $issue])->find() or $this->error('找不到此账单信息！');
$bill['status'] == 0 or $this->error('此账单当前不为待付款状态！');
$bill['money_total'] > 0 or $this->error('此账单无需支付！');
$subject = '指尖分期-' . "支付第{$issue}期";
$money = $bill['money_total'] - $bill['return_money'];
}
} elseif ($month == 0) {
// 一次性还清
$subject = '指尖分期-' . "一次性还款";
$repay = $billModel->getRepay($order_id) or $this->error($billModel->getError());
$money = $repay['money_total'];
} elseif ($month > 1) {
// 提前还$month期
$subject = '指尖分期-' . "提前还{$month}期";
$repay = $billModel->getRepay($order_id, $month) or $this->error($billModel->getError());
$money = $repay['money_total'];
} else {
$this->error('还款期数异常！');
}
$alipayModel = M('loan_pay_alipay');
$pay_id = $alipayModel->add(['created' => time(), 'order_id' => $order_id, 'issue' => $issue, 'month' => $month, 'money' => $money, 'is_notify' => 0, 'is_action' => 0]);
// 确认生成支付表单
$body = '订单号：' . $order_id;
$notify_url = U('/pay/alipay_notify/' . $pay_id, null, true, $_SERVER['HTTP_HOST']);
$return_url = U('/pay/alipay_return/' . $pay_id, null, true, $_SERVER['HTTP_HOST']);
$show_url = U('/user/order/' . $order_id . '@fenqi');
$alipay = new \Common\Util\Alipay\Alipay();
header('Location: ' . $alipay->pay($notify_url, $return_url, $order_id . '-' . $pay_id, $subject, $body, $show_url, $money));
}
/**
* 自动还款（从个人钱包扣款）
*
* @param int $uid 用户编号
* @param number $money 最大还款金额，默认为null，表示返回总共所需还款金额
*
* @return 实际还款金额
*/
public function autoRepay($uid, $money = null, $trade_no = '')
{
$orderModel = new \Loan\Model\OrderModel();
$where_order_status = implode(',', $orderModel->allowRepayStatus(true));
$where_order = 'is_support_job=1 and uid =' . intval($uid) . ' and status in (' . $where_order_status . ')';
$bills = $this->where(['order_id' => ['exp', ' in ( select id from zj_loan_order where ' . $where_order . ')'], 'issue' => ['gt', 0], 'status' => 0])->order('return_limit_time ASC')->select();
// 返回总共所需的金额
if ($money === null) {
$money = 0;
foreach ($bills as $bill) {
$money += $bill['money_total'] - $bill['return_money'];
}
return $money;
}
$total_pay_money = 0;
$money_remain = $money;
// 处理订单
foreach ($bills as $bill) {
if ($money_remain <= 0) {
break;
}
// 验证统计字段是否正常
if (bccomp($bill['money_total'], $bill['money_principal'] + $bill['money_fee'] + $bill['money_delay'], 2) != 0) {
system_warn('检测到账单money_total字段异常！');
continue;
}
$pay_money = min($money_remain, $bill['money_total'] - $bill['return_money']);
$ret = $this->repay($bill['order_id'], $bill['issue'], $pay_money, 3, $trade_no);
if (!$ret) {
system_warn('自动还款失败：' . $this->error);
continue;
}
$money_remain -= $pay_money;
$total_pay_money += $pay_money;
}
return $total_pay_money;
}
