PHP后台微信支付和支付宝支付开发

public function ajax_sure() {<br>
 $data['order_code'] = $order_code;
 $addr[0] = $_POST['prov'];
 $addr[1] = $_POST['city'];
 $addr[2] = $_POST['dist'];
 $addr[3] = $_POST['area'];
 $data['area'] = serialize($addr);
 $data['create_time'] = time();
 $data['update_time'] = time();
 $data['ip'] = $_SERVER['REMOTE_ADDR'];
 if ($data['pay_id'] == 1) {
   $data['order_status'] = 11; //已付款
   $data['status'] = '1';
 } else {
   $data['order_status'] = 10; //待付款
   $data['status'] = '1';
 }
 //函数调用 返回信息
 $this->Callback_url($data);
}
/**
  * 回调信息函数
  * @param type $data
  */
 public function Callback_url($data) {
  $o_model = D("Wine/Orders");
  $add_id = $o_model->add($data);
  if (!$add_id) {
   $this->error("订单提交失败，请稍后重试！");
  }<br>
  if ('3' == $data['pay_id']) {
   //支付宝支付
   $msg = '正在为您跳转到支付宝支付页面，请等待……';
   $url = U("Pay/doalipay", array('o_id' => $add_id));
  }
  $this->success("订单提交成功！" . $msg, $url);
 }

 /**
  * 支付页面
  */
 public function doalipay() {
  $o_id = I("get.o_id", 0, "intval");
  $info = $this->model->findone(array("a.id" => $o_id, 'a.status' => array('neq', '-1')));
  //10代表订单待支付的状态
  if ($info['order_status'] != 10) {
   $this->error("订单已支付！");
  }
  vendor("Payment.Alipay.Alipay");
  $alipay = new \Alipay();
  $param['order_sn'] = $info['order_code'];
//  $param['order_amount'] = $info['pay_price'];
  $param['order_amount'] = 0.01;//测试支付时，将支付价格设为0.01元，土豪朋友忽略此提示O(∩_∩)O~
  $param['order_subject'] = '支付宝支付测试';
  $param['return_url'] = 'http://' . $_SERVER['SERVER_NAME'] . '/index.php/Wine/Orders/pay_ok/o_id/'.$o_id;
  $return = $alipay->submit($param);
  echo $return;
  exit;
 }