ecshop 收货地址处理，默认，删除

/**
 * 设置默认地址
 *
 * @access  public
 * @param   integer $id 收货地址id
 * @return  boolean
 */
function set_default_addr($id)
{

    $uid = $_SESSION[‘user_id‘];
    $sql = "UPDATE " .$GLOBALS[‘ecs‘]->table(‘users‘) . " SET address_id = ‘$id‘ WHERE user_id = ‘$uid‘";
    $res = $GLOBALS[‘db‘]->query($sql);

    return $res;
}

/**
 * 删除一个收货地址
 *
 * @access  public
 * @param   integer $id
 * @return  boolean
 */
function drop_consignee($id)
{
    $sql = "SELECT user_id FROM " .$GLOBALS[‘ecs‘]->table(‘user_address‘) . " WHERE address_id = ‘$id‘";
    $uid = $GLOBALS[‘db‘]->getOne($sql);

    if ($uid != $_SESSION[‘user_id‘])
    {
        return false;
    }
    else
    {
        $sql = "DELETE FROM " .$GLOBALS[‘ecs‘]->table(‘user_address‘) . " WHERE address_id = ‘$id‘";
        $res = $GLOBALS[‘db‘]->query($sql);

        return $res;
    }
}

/**
     * 取得收货人地址列表
     * @param   int     $user_id    用户编号
     * @param   int     $id         收货地址id
     * @return  array
     */
    function get_consignee_list($user_id, $id = 0, $num = 10, $start = 0) {
        if ($id) {
            $where[‘address_id‘] = $id;
            $this->table = ‘user_address‘;
            return $this->find($where);
        } else {
            $sql = ‘select * from ‘ . $this->pre . ‘user_address where user_id = ‘ . $user_id . ‘ order by address_id limit ‘ . $start . ‘, ‘ . $num;
            return $this->query($sql);
        }
    }

public function select_default_address(){
        $user_id =$_SESSION[‘user_id‘];
        
        $info  = M()->query("SELECT address_id FROM " .$this->model->pre. "users WHERE user_id=‘$user_id‘");
        print_r($info[0][‘address_id‘]);
    }

public function set_default_address(){
        $id = $_GET[‘address_id‘];
        $userid = $_SESSION[‘user_id‘];
          $sql = "UPDATE " .$this->model->pre. "users SET address_id = ‘$id‘ WHERE user_id = ‘$userid‘";
          $res = M()->query($sql);

        show_message(‘设置成功‘, $_LANG[‘address_list_lnk‘], U(‘user/address_list‘));
    }