<?php defined('BASEPATH') OR exit('No direct script access allowed');
class ApiClass extends Lin_Controller 
{
	public function __construct()
	{
		parent::__construct();
		$this->load->library('session');
		$this->load->_model('Model_openid','openid');
        function set_api() 
		{

       if(isset($_GET['code']))
		{
			$this->session->set_userdata('code',$_GET['code']);
		}
		    if(!isset($_SESSION['api']))
		    {
			    if(isset($_GET['code'])) //获取到code
                {
				    $openid = $this->openid->get_code($setting['appid'],$setting['appsecret'],$_GET['code']); //换取出openid
		            $this->session->set_userdata('api',$openid);
                }
	            else //如果没有code
	            {
				    $this->openid->get_index($setting['appid']); //获取code
	            }
			}
		}
    }
}