<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); 
class Model_Stock extends Lin_Model 
{
	function __construct(){
	parent::__construct();
	$this->load->database();
	$this->table = 'stock';
    $this->load_table('stock');
}
    /** 通过类目查找 */
	public function get_category($category)
	{
		return  $this->find("category = '$category'");	
	}
	/** 通过长度查找 */
	public function get_size($size)
	{
		return  $this->find("size = '$size'");	
	}
	/** 通过等级查找 */
	public function get_grade($grade)
	{
		return  $this->find("grade = '$grade'");	
	}
	/** 通过花型查找 */
	public function get_lowe($lowe)
	{
		return  $this->find("lowe = '$lowe'");	
	}
	/** 通过颜色查找 */
	public function get_color($color)
	{
		return  $this->find("color = '$color'");	
	}
	/** 通过重量查找 */
	public function get_weight($weight)
	{
		return  $this->find("weight = '$weight'");	
	}
	/** 通过等级查找 */
	public function get_sku($sku)
	{
		return  $this->find("sku = '$sku'");	
	}
	 /** 通过拼接的数据ID查找 */
	public function get_number($number)
	{
		return  $this->find("number = '$number'");	
	}
}  //end class