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   源码介绍

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有数据操作类以及分页脚本等

<?php
	require( "./mysql.class.php" );
	class GoodsModel {

		private $goods_tb_name = 'goods';
		private $cat_tb_name = 'category';
		private $gallery_tb_name = 'goods_gallery';
		public $db;

		public function __construct ( &$db ) {
			$this->db = $db;
		}

		//添加商品		
		public function add_goods ( $data ) {
			if ( $this->has_goods( $data['goods_name'], $data['goods_sku'] ) ) {
				return false;
			} else {
				$rs = $this->db->add( $this->goods_tb_name, $data );
				if ( $rs ) {
					$insert_id = mysql_insert_id();
					$data = array(
						'goods_id' => $insert_id,
						'goods_thumb' => $insert_id . '_1_thumb.jpg',
						'goods_center' => $insert_id . '_2_center.jpg',
						'goods_original' => $insert_id . '_3_original.jpg',
					);
					return $this->db->add( $this->gallery_tb_name, $data );
				} else {
					return false;
				}
			}
		}

		//添加商品之前，判断是否存在同样的商品名或者货号
		public function has_goods ( $goods_name, $goods_sku ) {
			$sql = "SELECT * FROM {$this->goods_tb_name} WHERE goods_name = '$goods_name' OR goods_sku = '$goods_sku'";
			$row = $this->db->get_row( $sql );
			if ( $row ) {
				return true;
			} else {
				return false;
			}
		}

		//取出一条商品所有的信息
		public function get_goods_detail ( $goods_id ) {
			return $this->db->get_row( "SELECT * FROM {$this->goods_tb_name} WHERE goods_id = $goods_id" );
		}

		//更新商品
		public function update_goods ( $goods_id, $data ) {
			return $this->db->update( $this->goods_tb_name, $data, "WHERE goods_id = $goods_id" );
		}

		//删除商品
		public function del_goods ( $goods_id ) {
			return $this->db->query( "DELETE FROM {$this->goods_tb_name} WHERE goods_id = $goods_id" );
		}

		//查找商品
		public function get_goods_list ( $p = '', $page_size ='' ) {
			$sql = "SELECT g.*,c.cat_name FROM {$this->goods_tb_name} g LEFT JOIN {$this->cat_tb_name} c ON 
			g.cat_id = c.cat_id";
			return $this->db->get_all( $sql );
		}
	}

	// $g = new GoodsModel( $db );
	// // print_r( $g->get_goods_list() );

	// $data = array( 
	// 	'cat_id' => 7,
	// 	// 'goods_name' => '荣耀 6 (H60-L01) 3GB内存标准版 白色 移动4G手机',
	// 	// 'goods_name' => '华为 畅享5 朦胧灰 全网通版4G手机 双卡双待',
	// 	'goods_name' => '荣耀 6 Plus (PE-TL20) 3GB内存标准版 白色 移动4G手机 双卡双待双通',
	// 	'goods_desc' => '荣耀 6 (H60-L01) 3GB内存标准版 白色 移动4G手机',
	// 	'goods_sku' => 10016,
	// 	'goods_stock' => 100,
	// 	'goods_price' => 2000,
	// 	'is_show' => 1,
	// );


	// $res = $g->add_goods( $data );
	// // $res = $g->update_goods( 16, $data );
	// // $res = $g->del_goods( 16 );
	// if ( $res ) {
	// 	echo "ok";
	// } else {
	// 	echo "error";
	// }
	
	// print_r( $g->get_goods_detail( 16 ) );	
?>