【实例简介】有数据操作类以及分页脚本等

【实例截图】

【核心代码】

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 ) );

?>