1 <?php 2 3 /** 4 * ECSHOP 首页文件 5 * ============================================================================ 6 * * 版权所有 2005-2012 上海商派网络科技有限公司,并保留所有权利。 7 * 网站地址: http://www.ecshop.com; 8 * ---------------------------------------------------------------------------- 9 * 这不是一个自由软件!您只能在不用于商业目的的前提下对程序代码进行修改和 10 * 使用;不允许对程序代码以任何形式任何目的的再发布。 11 * ============================================================================ 12 * $Author: liubo $ 13 * $Id: index.php 17217 2011-01-19 06:29:08Z liubo $ 14 */ 15 16 define('IN_ECS', true); 17 18 require(dirname(__FILE__) . '/includes/init.php'); 19 20 if ((DEBUG_MODE & 2) != 2) 21 { 22 $smarty->caching = true; 23 } 24 $ua = strtolower($_SERVER['HTTP_USER_AGENT']); 25 26 $uachar = "/(nokia|sony|ericsson|mot|samsung|sgh|lg|philips|panasonic|alcatel|lenovo|cldc|midp|mobile)/i"; 27 28 if(($ua == '' || preg_match($uachar, $ua))&& !strpos(strtolower($_SERVER['REQUEST_URI']),'wap')) 29 { 30 $Loaction = 'mobile/'; 31 32 if (!empty($Loaction)) 33 { 34 ecs_header("Location: $Loaction\n"); 35 36 exit; 37 } 38 39 } 40 /*------------------------------------------------------ */ 41 //-- Shopex系统地址转换 42 /*------------------------------------------------------ */ 43 if (!empty($_GET['gOo'])) 44 { 45 if (!empty($_GET['gcat'])) 46 { 47 /* 商品分类。*/ 48 $Loaction = 'category.php?id=' . $_GET['gcat']; 49 } 50 elseif (!empty($_GET['acat'])) 51 { 52 /* 文章分类。*/ 53 $Loaction = 'article_cat.php?id=' . $_GET['acat']; 54 } 55 elseif (!empty($_GET['goodsid'])) 56 { 57 /* 商品详情。*/ 58 $Loaction = 'goods.php?id=' . $_GET['goodsid']; 59 } 60 elseif (!empty($_GET['articleid'])) 61 { 62 /* 文章详情。*/ 63 $Loaction = 'article.php?id=' . $_GET['articleid']; 64 } 65 66 if (!empty($Loaction)) 67 { 68 ecs_header("Location: $Loaction\n"); 69 70 exit; 71 } 72 } 73 74 //判断是否有ajax请求 75 $act = !empty($_GET['act']) ? $_GET['act'] : ''; 76 if ($act == 'cat_rec') 77 { 78 $rec_array = array(1 => 'best', 2 => 'new', 3 => 'hot'); 79 $rec_type = !empty($_REQUEST['rec_type']) ? intval($_REQUEST['rec_type']) : '1'; 80 $cat_id = !empty($_REQUEST['cid']) ? intval($_REQUEST['cid']) : '0'; 81 include_once('includes/cls_json.php'); 82 $json = new JSON; 83 $result = array('error' => 0, 'content' => '', 'type' => $rec_type, 'cat_id' => $cat_id); 84 85 $children = get_children($cat_id); 86 $smarty->assign($rec_array[$rec_type] . '_goods', get_category_recommend_goods($rec_array[$rec_type], $children)); // 推荐商品 87 $smarty->assign('cat_rec_sign', 1); 88 $result['content'] = $smarty->fetch('library/recommend_' . $rec_array[$rec_type] . '.lbi'); 89 die($json->encode($result)); 90 } 91 92 /*------------------------------------------------------ */ 93 //-- 判断是否存在缓存,如果存在则调用缓存,反之读取相应内容 94 /*------------------------------------------------------ */ 95 /* 缓存编号 */ 96 $cache_id = sprintf('%X', crc32($_SESSION['user_rank'] . '-' . $_CFG['lang'])); 97 98 if (!$smarty->is_cached('index.dwt', $cache_id)) 99 {100 assign_template();101 102 $position = assign_ur_here();103 $smarty->assign('page_title', $position['title']); // 页面标题104 $smarty->assign('ur_here', $position['ur_here']); // 当前位置105 106 /* meta information */107 $smarty->assign('keywords', htmlspecialchars($_CFG['shop_keywords']));108 $smarty->assign('description', htmlspecialchars($_CFG['shop_desc']));109 $smarty->assign('flash_theme', $_CFG['flash_theme']); // Flash轮播图片模板110 111 $smarty->assign('feed_url', ($_CFG['rewrite'] == 1) ? 'feed.xml' : 'feed.php'); // RSS URL112 113 $smarty->assign('categories', get_categories_tree()); // 分类树114 $smarty->assign('helps', get_shop_help()); // 网店帮助115 $smarty->assign('top_goods', get_top10()); // 销售排行116 117 $smarty->assign('best_goods', get_recommend_goods('best')); // 推荐商品118 $smarty->assign('new_goods', get_recommend_goods('new')); // 最新商品119 $smarty->assign('hot_goods', get_recommend_goods('hot')); // 热点文章120 $smarty->assign('promotion_goods', get_promote_goods()); // 特价商品121 $smarty->assign('brand_list', get_brands());122 $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123 124 $smarty->assign('invoice_list', index_get_invoice_query()); // 发货查询125 $smarty->assign('new_articles', index_get_new_articles()); // 最新文章126 $smarty->assign('group_buy_goods', index_get_group_buy()); // 团购商品127 $smarty->assign('auction_list', index_get_auction()); // 拍卖活动128 $smarty->assign('shop_notice', $_CFG['shop_notice']); // 商店公告129 130 /* 首页主广告设置 */131 $smarty->assign('index_ad', $_CFG['index_ad']);132 if ($_CFG['index_ad'] == 'cus')133 {134 $sql = 'SELECT ad_type, content, url FROM ' . $ecs->table("ad_custom") . ' WHERE ad_status = 1';135 $ad = $db->getRow($sql, true);136 $smarty->assign('ad', $ad);137 }138 139 /* links */140 $links = index_get_links();141 $smarty->assign('img_links', $links['img']);142 $smarty->assign('txt_links', $links['txt']);143 $smarty->assign('data_dir', DATA_DIR); // 数据目录144 145 /* 首页推荐分类 */146 $cat_recommend_res = $db->getAll("SELECT c.cat_id, c.cat_name, cr.recommend_type FROM " . $ecs->table("cat_recommend") . " AS cr INNER JOIN " . $ecs->table("category") . " AS c ON cr.cat_id=c.cat_id");147 if (!empty($cat_recommend_res))148 {149 $cat_rec_array = array();150 foreach($cat_recommend_res as $cat_recommend_data)151 {152 $cat_rec[$cat_recommend_data['recommend_type']][] = array('cat_id' => $cat_recommend_data['cat_id'], 'cat_name' => $cat_recommend_data['cat_name']);153 }154 $smarty->assign('cat_rec', $cat_rec);155 }156 157 /* 页面中的动态内容 */158 assign_dynamic('index');159 }160 161 $smarty->display('index.dwt', $cache_id);162 163 /*------------------------------------------------------ */164 //-- PRIVATE FUNCTIONS165 /*------------------------------------------------------ */166 167 /**168 * 调用发货单查询169 *170 * @access private171 * @return array172 */173 function index_get_invoice_query()174 {175 $sql = 'SELECT o.order_sn, o.invoice_no, s.shipping_code FROM ' . $GLOBALS['ecs']->table('order_info') . ' AS o' .176 ' LEFT JOIN ' . $GLOBALS['ecs']->table('shipping') . ' AS s ON s.shipping_id = o.shipping_id' .177 " WHERE invoice_no > '' AND shipping_status = " . SS_SHIPPED .178 ' ORDER BY shipping_time DESC LIMIT 10';179 $all = $GLOBALS['db']->getAll($sql);180 181 foreach ($all AS $key => $row)182 {183 $plugin = ROOT_PATH . 'includes/modules/shipping/' . $row['shipping_code'] . '.php';184 185 if (file_exists($plugin))186 {187 include_once($plugin);188 189 $shipping = new $row['shipping_code'];190 $all[$key]['invoice_no'] = $shipping->query((string)$row['invoice_no']);191 }192 }193 194 clearstatcache();195 196 return $all;197 }198 199 /**200 * 获得最新的文章列表。201 *202 * @access private203 * @return array204 */205 function index_get_new_articles()206 {207 $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 ' .208 ' FROM ' . $GLOBALS['ecs']->table('article') . ' AS a, ' .209 $GLOBALS['ecs']->table('article_cat') . ' AS ac' .210 ' WHERE a.is_open = 1 AND a.cat_id = ac.cat_id AND ac.cat_type = 1' .211 ' ORDER BY a.article_type DESC, a.add_time DESC LIMIT ' . $GLOBALS['_CFG']['article_number'];212 $res = $GLOBALS['db']->getAll($sql);213 214 $arr = array();215 foreach ($res AS $idx => $row)216 {217 $arr[$idx]['id'] = $row['article_id'];218 $arr[$idx]['title'] = $row['title'];219 $arr[$idx]['short_title'] = $GLOBALS['_CFG']['article_title_length'] > 0 ?220 sub_str($row['title'], $GLOBALS['_CFG']['article_title_length']) : $row['title'];221 $arr[$idx]['cat_name'] = $row['cat_name'];222 $arr[$idx]['add_time'] = local_date($GLOBALS['_CFG']['date_format'], $row['add_time']);223 $arr[$idx]['url'] = $row['open_type'] != 1 ?224 build_uri('article', array('aid' => $row['article_id']), $row['title']) : trim($row['file_url']);225 $arr[$idx]['cat_url'] = build_uri('article_cat', array('acid' => $row['cat_id']), $row['cat_name']);226 }227 228 return $arr;229 }230 231 /**232 * 获得最新的团购活动233 *234 * @access private235 * @return array236 */237 function index_get_group_buy()238 {239 $time = gmtime();240 $limit = get_library_number('group_buy', 'index');241 242 $group_buy_list = array();243 if ($limit > 0)244 {245 $sql = 'SELECT gb.act_id AS group_buy_id, gb.goods_id, gb.ext_info, gb.goods_name, g.goods_thumb, g.goods_img ' .246 'FROM ' . $GLOBALS['ecs']->table('goods_activity') . ' AS gb, ' .247 $GLOBALS['ecs']->table('goods') . ' AS g ' .248 "WHERE gb.act_type = '" . GAT_GROUP_BUY . "' " .249 "AND g.goods_id = gb.goods_id " .250 "AND gb.start_time <= '" . $time . "' " .251 "AND gb.end_time >= '" . $time . "' " .252 "AND g.is_delete = 0 " .253 "ORDER BY gb.act_id DESC " .254 "LIMIT $limit" ;255 $res = $GLOBALS['db']->query($sql);256 257 while ($row = $GLOBALS['db']->fetchRow($res))258 {259 /* 如果缩略图为空,使用默认图片 */260 $row['goods_img'] = get_image_path($row['goods_id'], $row['goods_img']);261 $row['thumb'] = get_image_path($row['goods_id'], $row['goods_thumb'], true);262 263 /* 根据价格阶梯,计算最低价 */264 $ext_info = unserialize($row['ext_info']);265 $price_ladder = $ext_info['price_ladder'];266 if (!is_array($price_ladder) || empty($price_ladder))267 {268 $row['last_price'] = price_format(0);269 }270 else271 {272 foreach ($price_ladder AS $amount_price)273 {274 $price_ladder[$amount_price['amount']] = $amount_price['price'];275 }276 }277 ksort($price_ladder);278 $row['last_price'] = price_format(end($price_ladder));279 $row['url'] = build_uri('group_buy', array('gbid' => $row['group_buy_id']));280 $row['short_name'] = $GLOBALS['_CFG']['goods_name_length'] > 0 ?281 sub_str($row['goods_name'], $GLOBALS['_CFG']['goods_name_length']) : $row['goods_name'];282 $row['short_style_name'] = add_style($row['short_name'],'');283 $group_buy_list[] = $row;284 }285 }286 287 return $group_buy_list;288 }289 290 /**291 * 取得拍卖活动列表292 * @return array293 */294 function index_get_auction()295 {296 $now = gmtime();297 $limit = get_library_number('auction', 'index');298 $sql = "SELECT a.act_id, a.goods_id, a.goods_name, a.ext_info, g.goods_thumb ".299 "FROM " . $GLOBALS['ecs']->table('goods_activity') . " AS a," .300 $GLOBALS['ecs']->table('goods') . " AS g" .301 " WHERE a.goods_id = g.goods_id" .302 " AND a.act_type = '" . GAT_AUCTION . "'" .303 " AND a.is_finished = 0" .304 " AND a.start_time <= '$now'" .305 " AND a.end_time >= '$now'" .306 " AND g.is_delete = 0" .307 " ORDER BY a.start_time DESC" .308 " LIMIT $limit";309 $res = $GLOBALS['db']->query($sql);310 311 $list = array();312 while ($row = $GLOBALS['db']->fetchRow($res))313 {314 $ext_info = unserialize($row['ext_info']);315 $arr = array_merge($row, $ext_info);316 $arr['formated_start_price'] = price_format($arr['start_price']);317 $arr['formated_end_price'] = price_format($arr['end_price']);318 $arr['thumb'] = get_image_path($row['goods_id'], $row['goods_thumb'], true);319 $arr['url'] = build_uri('auction', array('auid' => $arr['act_id']));320 $arr['short_name'] = $GLOBALS['_CFG']['goods_name_length'] > 0 ?321 sub_str($arr['goods_name'], $GLOBALS['_CFG']['goods_name_length']) : $arr['goods_name'];322 $arr['short_style_name'] = add_style($arr['short_name'],'');323 $list[] = $arr;324 }325 326 return $list;327 }328 329 /**330 * 获得所有的友情链接331 *332 * @access private333 * @return array334 */335 function index_get_links()336 {337 $sql = 'SELECT link_logo, link_name, link_url FROM ' . $GLOBALS['ecs']->table('friend_link') . ' ORDER BY show_order';338 $res = $GLOBALS['db']->getAll($sql);339 340 $links['img'] = $links['txt'] = array();341 342 foreach ($res AS $row)343 {344 if (!empty($row['link_logo']))345 {346 $links['img'][] = array('name' => $row['link_name'],347 'url' => $row['link_url'],348 'logo' => $row['link_logo']);349 }350 else351 {352 $links['txt'][] = array('name' => $row['link_name'],353 'url' => $row['link_url']);354 }355 }356 357 return $links;358 }359 360 ?>
调用结构层级
@ini_set('display_errors', 1); //设置显示错误
error_reporting(E_ALL ^ E_NOTICE); //报告所有的错误、通知,其中通知是脚本发现的可能是错误的地方
clearstatcache(); //清除缓存
define('ROOT_PATH', str_replace('install/includes/auto_init.php', '', str_replace('\\', '/', __FILE__))); //定义常量'ROOT_PATH'为网站根目录upload/
if (isset($_SERVER['PHP_SELF'])) //定义常量'PHP_SELF'为,$_SERVER['PHP_SELF'](当前执行脚本的文件名)或$_SERVER['SCRIPT_NAME'](当前执行脚本所在文件夹的路径)
{
define('PHP_SELF', $_SERVER['PHP_SELF']);
}
else
{
define('PHP_SELF', $_SERVER['SCRIPT_NAME']);
}
define('EC_CHARSET','utf-8'); //定义常量'EC_CHARSET'和'EC_DB_CHARSET'为UTF8
define('EC_DB_CHARSET','utf8');
require(ROOT_PATH . 'includes/lib_base.php'); //引用基础函数库,公用函数库,时间函数库,方便之后调用其中的函数
require(ROOT_PATH . 'includes/lib_common.php');
require(ROOT_PATH . 'includes/lib_time.php');
require(ROOT_PATH . 'includes/cls_error.php'); //生成一个错误类对象,模板为message.dwt,此处并未导入dwt文件,只是给类成员对象$_template赋值
$err = new ecs_error('message.dwt');
require(ROOT_PATH . 'install/includes/cls_template.php'); //生成一个模板类对象,并给类成员对象路径$path赋值
$smarty = new template(ROOT_PATH . 'install/templates/');
require(ROOT_PATH . 'install/includes/lib_auto_installer.php'); //调用lib_auto_installer.php实际上什么也没做,lib_auto_installer.php提供了一系列库函数以供调用
header('Content-type: text/html; charset='.EC_CHARSET); //告诉浏览器文本类型,编码格式,其中EC_CHARSET在前面定义过,值为'utf-8'。
@set_time_limit(360); //设定脚本的最长执行时间为360秒,如果超过了时间限制,程序结束
总结一下:
这个php为自动安装程序做了初始化工作,包括生成一个错误类ecs_error对象(执行构造函数将公有成员变量$_template值设为‘message.dwt’),生成一个模板类template对象(执行构造函数将公有成员变量$path值设为'/upload/install/templates/';告诉浏览器文本类型为text/html,编码格式utf8;设定脚本最长执行时间为360秒。
对于最后一条语句@set_time_limit(360)我有一些疑问想和大家分享一下。
set_time_limit函数实际上和修改php.ini中的max_execution_time可以起到一样的效果。这里说设定脚本最长执行时间为360秒,最初看到这条语句我陷入了一个误区:由于从顶层的index.php到这个php是一路require过来,并且在执行时require语句会被它所包含的文件直接替换,那么这个360秒到底是限制哪一个php的的执行时间。就在我百思不得其解时,看到了脚本这个词,然后忽然想到这个函数不是用来限制php文件的执行时间,php文件也不是脚本文件,这个函数是用来限制ecshop中用到的js之类脚本的执行时间,原谅我没文化,在此罗嗦了一大堆。

What’s still popular is the ease of use, flexibility and a strong ecosystem. 1) Ease of use and simple syntax make it the first choice for beginners. 2) Closely integrated with web development, excellent interaction with HTTP requests and database. 3) The huge ecosystem provides a wealth of tools and libraries. 4) Active community and open source nature adapts them to new needs and technology trends.

PHP and Python are both high-level programming languages that are widely used in web development, data processing and automation tasks. 1.PHP is often used to build dynamic websites and content management systems, while Python is often used to build web frameworks and data science. 2.PHP uses echo to output content, Python uses print. 3. Both support object-oriented programming, but the syntax and keywords are different. 4. PHP supports weak type conversion, while Python is more stringent. 5. PHP performance optimization includes using OPcache and asynchronous programming, while Python uses cProfile and asynchronous programming.

PHP is mainly procedural programming, but also supports object-oriented programming (OOP); Python supports a variety of paradigms, including OOP, functional and procedural programming. PHP is suitable for web development, and Python is suitable for a variety of applications such as data analysis and machine learning.

PHP originated in 1994 and was developed by RasmusLerdorf. It was originally used to track website visitors and gradually evolved into a server-side scripting language and was widely used in web development. Python was developed by Guidovan Rossum in the late 1980s and was first released in 1991. It emphasizes code readability and simplicity, and is suitable for scientific computing, data analysis and other fields.

PHP is suitable for web development and rapid prototyping, and Python is suitable for data science and machine learning. 1.PHP is used for dynamic web development, with simple syntax and suitable for rapid development. 2. Python has concise syntax, is suitable for multiple fields, and has a strong library ecosystem.

PHP remains important in the modernization process because it supports a large number of websites and applications and adapts to development needs through frameworks. 1.PHP7 improves performance and introduces new features. 2. Modern frameworks such as Laravel, Symfony and CodeIgniter simplify development and improve code quality. 3. Performance optimization and best practices further improve application efficiency.

PHPhassignificantlyimpactedwebdevelopmentandextendsbeyondit.1)ItpowersmajorplatformslikeWordPressandexcelsindatabaseinteractions.2)PHP'sadaptabilityallowsittoscaleforlargeapplicationsusingframeworkslikeLaravel.3)Beyondweb,PHPisusedincommand-linescrip

PHP type prompts to improve code quality and readability. 1) Scalar type tips: Since PHP7.0, basic data types are allowed to be specified in function parameters, such as int, float, etc. 2) Return type prompt: Ensure the consistency of the function return value type. 3) Union type prompt: Since PHP8.0, multiple types are allowed to be specified in function parameters or return values. 4) Nullable type prompt: Allows to include null values and handle functions that may return null values.


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