\upload\install\includes\auto_init.php源码分析
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时间：2015年06月09日
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 URL 112 113 $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 FUNCTIONS 165 /*------------------------------------------------------ */ 166 167 /** 168 * 调用发货单查询 169 * 170 * @access private 171 * @return array 172 */ 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 private 203 * @return array 204 */ 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 private 235 * @return array 236 */ 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 $row[‘last_price‘] = price_format(0); 269 } 270 else 271 { 272 foreach ($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 array 293 */ 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 private 333 * @return array 334 */ 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 else 351 { 352 $links[‘txt‘][] = array(‘name‘ => $row[‘link_name‘], 353 ‘url‘ => $row[‘link_url‘]); 354 } 355 } 356 357 return $links; 358 } 359 360 ?>
调用结构层级
- \upload\index.php
- \upload\includes\init.php
- \upload\install\index.php
- \upload\install\auto_index.php
- \upload\install\includes\auto_init.php
- \upload\install\auto_index.php
- \upload\install\index.php
- \upload\includes\init.php
@ini_set(‘display_errors‘, 1); //设置显示错误
error_reporting(E_ALL ^ E_NOTICE); //报告所有的错误、通知，其中通知是脚本发现的可能是错误的地方
clearstatcache(); //清除缓存
define(‘ROOT_PATH‘, str_replace(‘install/includes/auto_init.php‘, ‘‘, str_replace(‘\\‘, ‘/‘, __FILE__))); //定义常量‘ROOT_PATH‘为网站根目录upload/
if (isset($_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。
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