erp/core/CoreApp/models/Model_purchaseorder.php

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); 
class Model_purchaseorder extends Lin_Model 
{
	function __construct(){
	parent::__construct();
	$this->load->database();
	$this->table = 'purchaseorder';
    $this->load_table('purchaseorder');
}
	/** 通过API查找 */
	public function get_api($api)
	{
		return  $this->find("api = '$api'");	
	}
}  //end class