ecshop2.7.3的入口文件“index.php”的详细分析
//定义常量，防止被引用文件的非法载入
define('IN_ECS', true);
//加载全站初始化配置文件
require(dirname(__FILE__) . '/includes/init.php');
//自定义常量“DEBUG_MODE”与2进行按位与运算，如果"DEBUG_MODE"的二进制不是“10”，就打开缓存
if ((DEBUG_MODE & 2) != 2)
{
$smarty->caching = true;
}
//初定义变量$ua为“小写处理后的访问用户的所有信息”
$ua = strtolower($_SERVER['HTTP_USER_AGENT']);
//初定义变量$uachar为各种匹配机型
$uachar = "/(nokia|sony|ericsson|mot|samsung|sgh|lg|philips|panasonic|alcatel|lenovo|cldc|midp|mobile)/i";
//如果‘wap’没有出现在经过小写化处理的url中，如果$ua为空或者$ua匹配到某种机型,同时满足上述两种情况，即手机登录时，定位到手机目录'mobile/'下
if(($ua == '' || preg_match($uachar, $ua))&& !strpos(strtolower($_SERVER['REQUEST_URI']),'wap'))
{
$Loaction = 'mobile/';
if (!empty($Loaction))
{
ecs_header("Location: $Loaction\n");
exit;
}
}
//Shopex系统地址转换,一些功能定位
if (!empty($_GET['gOo']))
{
if (!empty($_GET['gcat']))
{
/* 商品分类。*/
$Loaction = 'category.php?id=' . $_GET['gcat'];
}
elseif (!empty($_GET['acat']))
{
/* 文章分类。*/
$Loaction = 'article_cat.php?id=' . $_GET['acat'];
}
elseif (!empty($_GET['goodsid']))
{
/* 商品详情。*/
$Loaction = 'goods.php?id=' . $_GET['goodsid'];
}
elseif (!empty($_GET['articleid']))
{
/* 文章详情。*/
$Loaction = 'article.php?id=' . $_GET['articleid'];
}
if (!empty($Loaction))
{
ecs_header("Location: $Loaction\n");
exit;
}
}
//判断是否有ajax请求,若有$smarty模版实例化对象，输出内容，并退出当前脚本
$act = !empty($_GET['act']) ? $_GET['act'] : '';
if ($act == 'cat_rec')
{
$rec_array = array(1 => 'best', 2 => 'new', 3 => 'hot');
$rec_type = !empty($_REQUEST['rec_type']) ? intval($_REQUEST['rec_type']) : '1';
$cat_id = !empty($_REQUEST['cid']) ? intval($_REQUEST['cid']) : '0';
include_once('includes/cls_json.php');
$json = new JSON;
$result = array('error' => 0, 'content' => '', 'type' => $rec_type, 'cat_id' => $cat_id);
$children = get_children($cat_id);
$smarty->assign($rec_array[$rec_type] . '_goods', get_category_recommend_goods($rec_array[$rec_type], $children)); // 推荐商品
$smarty->assign('cat_rec_sign', 1);
$result['content'] = $smarty->fetch('library/recommend_' . $rec_array[$rec_type] . '.lbi');
die($json->encode($result));
}
//格式化并缓存编号
$cache_id = sprintf('%X', crc32($_SESSION['user_rank'] . '-' . $_CFG['lang']));
//smarty模板引擎检查'index.dwt'模板是否已经被缓存
if (!$smarty->is_cached('index.dwt', $cache_id))
{
//调用模板参数
assign_template();
//“assign_ur_here()”来自“lib_main.php”的129行，主要用来获取当前页面的title和路径的函数
$position = assign_ur_here();
//下面是通过缓存获取内容实例化
$smarty->assign('page_title', $position['title']); // 页面标题
$smarty->assign('ur_here', $position['ur_here']); // 当前位置
/* meta information */
$smarty->assign('keywords', htmlspecialchars($_CFG['shop_keywords']));
$smarty->assign('description', htmlspecialchars($_CFG['shop_desc']));
$smarty->assign('flash_theme', $_CFG['flash_theme']); // Flash轮播图片模板
$smarty->assign('feed_url', ($_CFG['rewrite'] == 1) ? 'feed.xml' : 'feed.php'); // RSS URL
$smarty->assign('categories', get_categories_tree()); // 分类树
$smarty->assign('helps', get_shop_help()); // 网店帮助
$smarty->assign('top_goods', get_top10()); // 销售排行
$smarty->assign('best_goods', get_recommend_goods('best')); // 推荐商品
$smarty->assign('new_goods', get_recommend_goods('new')); // 最新商品
$smarty->assign('hot_goods', get_recommend_goods('hot')); // 热点文章
$smarty->assign('promotion_goods', get_promote_goods()); // 特价商品
$smarty->assign('brand_list', get_brands());
$smarty->assign('promotion_info', get_promotion_info()); // 增加一个动态显示所有促销信息的标签栏
$smarty->assign('invoice_list', index_get_invoice_query()); // 发货查询
$smarty->assign('new_articles', index_get_new_articles()); // 最新文章
$smarty->assign('group_buy_goods', index_get_group_buy()); // 团购商品
$smarty->assign('auction_list', index_get_auction()); // 拍卖活动
$smarty->assign('shop_notice', $_CFG['shop_notice']); // 商店公告
/*jdy add 0816 添加首页幻灯插件*/
$smarty->assign("flash",get_flash_xml());
$smarty->assign('flash_count',count(get_flash_xml()));
/* 首页主广告设置 */
$smarty->assign('index_ad', $_CFG['index_ad']);
if ($_CFG['index_ad'] == 'cus')
{
$sql = 'SELECT ad_type, content, url FROM ' . $ecs->table("ad_custom") . ' WHERE ad_status = 1';
$ad = $db->getRow($sql, true);
$smarty->assign('ad', $ad);
}
/* links */
$links = index_get_links();
$smarty->assign('img_links', $links['img']);
$smarty->assign('txt_links', $links['txt']);
$smarty->assign('data_dir', DATA_DIR); // 数据目录
/* 首页推荐分类 */
$cat_recommend_res = $db->getAll("SELECT c.cat_id, c.cat_name, cr.recommend_type FROM " . $ecs->table("cat_recommend") . " AS cr INNER JOIN " . $ecs->table("category") . " AS c ON cr.cat_id=c.cat_id");
if (!empty($cat_recommend_res))
{
$cat_rec_array = array();
foreach($cat_recommend_res as $cat_recommend_data)
{
$cat_rec[$cat_recommend_data['recommend_type']][] = array('cat_id' => $cat_recommend_data['cat_id'], 'cat_name' => $cat_recommend_data['cat_name']);
}
$smarty->assign('cat_rec', $cat_rec);
}
/* 页面中的动态内容 */
assign_dynamic('index');
}
//显示模版"index.dwt"
$smarty->display('index.dwt', $cache_id);
//调用发货单查询,mysql数据库操作
function index_get_invoice_query()
{
$sql = 'SELECT o.order_sn, o.invoice_no, s.shipping_code FROM ' . $GLOBALS['ecs']->table('order_info') . ' AS o' .
' LEFT JOIN ' . $GLOBALS['ecs']->table('shipping') . ' AS s ON s.shipping_id = o.shipping_id' .
" WHERE invoice_no > '' AND shipping_status = " . SS_SHIPPED .
' ORDER BY shipping_time DESC LIMIT 10';
$all = $GLOBALS['db']->getAll($sql);
foreach ($all AS $key => $row)
{
$plugin = ROOT_PATH . 'includes/modules/shipping/' . $row['shipping_code'] . '.php';
if (file_exists($plugin))
{
include_once($plugin);
$shipping = new $row['shipping_code'];
$all[$key]['invoice_no'] = $shipping->query((string)$row['invoice_no']);
}
}
//函数清除文件状态缓存
clearstatcache();
return $all;
}
//获得最新的文章列表，mysql数据库操作
function index_get_new_articles()
{
$sql = 'SELECT a.article_id, a.title, ac.cat_name, a.add_time, a.file_url, a.open_type, ac.cat_id, ac.cat_name ' .
' FROM ' . $GLOBALS['ecs']->table('article') . ' AS a, ' .
$GLOBALS['ecs']->table('article_cat') . ' AS ac' .
' WHERE a.is_open = 1 AND a.cat_id = ac.cat_id AND ac.cat_type = 1' .
' ORDER BY a.article_type DESC, a.add_time DESC LIMIT ' . $GLOBALS['_CFG']['article_number'];
$res = $GLOBALS['db']->getAll($sql);
$arr = array();
foreach ($res AS $idx => $row)
{
$arr[$idx]['id'] = $row['article_id'];
$arr[$idx]['title'] = $row['title'];
$arr[$idx]['short_title'] = $GLOBALS['_CFG']['article_title_length'] > 0 ?
sub_str($row['title'], $GLOBALS['_CFG']['article_title_length']) : $row['title'];
$arr[$idx]['cat_name'] = $row['cat_name'];
$arr[$idx]['add_time'] = local_date($GLOBALS['_CFG']['date_format'], $row['add_time']);
$arr[$idx]['url'] = $row['open_type'] != 1 ?
build_uri('article', array('aid' => $row['article_id']), $row['title']) : trim($row['file_url']);
$arr[$idx]['cat_url'] = build_uri('article_cat', array('acid' => $row['cat_id']), $row['cat_name']);
}
return $arr;
}
//获得最新的团购活动
function index_get_group_buy()
{
$time = gmtime();
$limit = get_library_number('group_buy', 'index');
$group_buy_list = array();
if ($limit > 0)
{
$sql = 'SELECT gb.act_id AS group_buy_id, gb.goods_id, gb.ext_info, gb.goods_name, g.goods_thumb, g.goods_img ' .
'FROM ' . $GLOBALS['ecs']->table('goods_activity') . ' AS gb, ' .
$GLOBALS['ecs']->table('goods') . ' AS g ' .
"WHERE gb.act_type = '" . GAT_GROUP_BUY . "' " .
"AND g.goods_id = gb.goods_id " .
"AND gb.start_time <= '" . $time . "' " .
"AND gb.end_time >= '" . $time . "' " .
"AND g.is_delete = 0 " .
"ORDER BY gb.act_id DESC " .
"LIMIT $limit" ;
$res = $GLOBALS['db']->query($sql);
while ($row = $GLOBALS['db']->fetchRow($res))
{
/* 如果缩略图为空，使用默认图片 */
$row['goods_img'] = get_image_path($row['goods_id'], $row['goods_img']);
$row['thumb'] = get_image_path($row['goods_id'], $row['goods_thumb'], true);
/* 根据价格阶梯，计算最低价 */
$ext_info = unserialize($row['ext_info']);
$price_ladder = $ext_info['price_ladder'];
if (!is_array($price_ladder) || empty($price_ladder))
{
$row['last_price'] = price_format(0);
}
else
{
foreach ($price_ladder AS $amount_price)
{
$price_ladder[$amount_price['amount']] = $amount_price['price'];
}
}
ksort($price_ladder);
$row['last_price'] = price_format(end($price_ladder));
$row['url'] = build_uri('group_buy', array('gbid' => $row['group_buy_id']));
$row['short_name'] = $GLOBALS['_CFG']['goods_name_length'] > 0 ?
sub_str($row['goods_name'], $GLOBALS['_CFG']['goods_name_length']) : $row['goods_name'];
$row['short_style_name'] = add_style($row['short_name'],'');
$group_buy_list[] = $row;
}
}
return $group_buy_list;
}
//取得拍卖活动列表
function index_get_auction()
{
$now = gmtime();
$limit = get_library_number('auction', 'index');
$sql = "SELECT a.act_id, a.goods_id, a.goods_name, a.ext_info, g.goods_thumb ".
"FROM " . $GLOBALS['ecs']->table('goods_activity') . " AS a," .
$GLOBALS['ecs']->table('goods') . " AS g" .
" WHERE a.goods_id = g.goods_id" .
" AND a.act_type = '" . GAT_AUCTION . "'" .
" AND a.is_finished = 0" .
" AND a.start_time <= '$now'" .
" AND a.end_time >= '$now'" .
" AND g.is_delete = 0" .
" ORDER BY a.start_time DESC" .
" LIMIT $limit";
$res = $GLOBALS['db']->query($sql);
$list = array();
while ($row = $GLOBALS['db']->fetchRow($res))
{
$ext_info = unserialize($row['ext_info']);
$arr = array_merge($row, $ext_info);
$arr['formated_start_price'] = price_format($arr['start_price']);
$arr['formated_end_price'] = price_format($arr['end_price']);
$arr['thumb'] = get_image_path($row['goods_id'], $row['goods_thumb'], true);
$arr['url'] = build_uri('auction', array('auid' => $arr['act_id']));
$arr['short_name'] = $GLOBALS['_CFG']['goods_name_length'] > 0 ?
sub_str($arr['goods_name'], $GLOBALS['_CFG']['goods_name_length']) : $arr['goods_name'];
$arr['short_style_name'] = add_style($arr['short_name'],'');
$list[] = $arr;
}
return $list;
}
//获得所有的友情链接
function index_get_links()
{
$sql = 'SELECT link_logo, link_name, link_url FROM ' . $GLOBALS['ecs']->table('friend_link') . ' ORDER BY show_order';
$res = $GLOBALS['db']->getAll($sql);
$links['img'] = $links['txt'] = array();
foreach ($res AS $row)
{
if (!empty($row['link_logo']))
{
$links['img'][] = array('name' => $row['link_name'],
'url' => $row['link_url'],
'logo' => $row['link_logo']);
}
else
{
$links['txt'][] = array('name' => $row['link_name'],
'url' => $row['link_url']);
}
}
return $links;
}
//解析'/flash_data.xml',控制[首页]头滚动图片效果
*通过首页广告设置
function get_flash_xml()
{
$flashdb = array();
if (file_exists(ROOT_PATH . DATA_DIR . '/flash_data.xml'))
{
// 兼容v2.7.0及以前版本
if (!preg_match_all('/item_url="([^"]+)"\slink="([^"]+)"\stext="([^"]*)"\ssort="([^"]*)"/', file_get_contents(ROOT_PATH . DATA_DIR . '/flash_data.xml'), $t, PREG_SET_ORDER))
{
preg_match_all('/item_url="([^"]+)"\slink="([^"]+)"\stext="([^"]*)"/', file_get_contents(ROOT_PATH . DATA_DIR . '/flash_data.xml'), $t, PREG_SET_ORDER);
}
if (!empty($t))
{
foreach ($t as $key => $val)
{
$val[4] = isset($val[4]) ? $val[4] : 0;
$flashdb[] = array('src'=>$val[1],'url'=>$val[2],'text'=>$val[3],'sort'=>$val[4]);
//print_r($flashdb);
}
}
}
return $flashdb;
}
