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zencart对标题,关键字,描述更新和值的判断

zencart对标题,关键字,描述更新和值的判断 标题,关键字,描述对于GOOGLE 和BAIDU等搜索引擎来说是非常重要的.当然对SEO工作人员来说也很看重. 在zencart电子商务网站中的一些修改和对某一个列表页面的某些控制,在zencart程序文件中体现出来.这里就说对zencart对标题,关键字,描述的更新和值的判断. 前面已经说过了对Zencart的一些静态化的设置,这里就不讲了,直接进入文件”include/ includesmodulesmeta_tags.php在这里写着的是所有URL的生成. 以下是对产品页的一些的标题,关键字,描述的一些生成. // unless otherwise required product_reviews uses the same settings as product_reviews_info and other _info pages case 'product_reviews': // unless otherwise required product_reviews_info uses the same settings as reviews and other _info pages case 'product_reviews_info': $review_on = META_TAGS_REVIEW; //  case 'product_info': case (strstr($_GET['main_page'], 'product_') or strstr($_GET['main_page'], 'document_')): /* $sql = "select p.products_id, pd.products_name, pd.products_description, p.products_model, p.products_price, p.products_tax_class_id, p.product_is_free, p.products_price_sorter, p.metatags_title_status, p.metatags_products_name_status, p.metatags_model_status, p.metatags_price_status, p.metatags_title_tagline_status, mtpd.metatags_title, mtpd.metatags_keywords, mtpd.metatags_description from " . TABLE_PRODUCTS . " p, " . TABLE_PRODUCTS_DESCRIPTION . " pd, " . TABLE_META_TAGS_PRODUCTS_DESCRIPTION . " mtpd where p.products_status = 1 and p.products_id = '" . (int)$_GET['products_id'] . "' and pd.products_id = p.products_id and pd.language_id = '" . (int)$_SESSION['languages_id'] . "' and mtpd.products_id = p.products_id and mtpd.language_id = '" . (int)$_SESSION['languages_id'] . "'"; */ $sql= "select pd.products_name, p.products_model, p.products_price_sorter, p.products_tax_class_id, p.metatags_title_status, p.metatags_products_name_status, p.metatags_model_status, p.products_id, p.metatags_price_status, p.metatags_title_tagline_status, pd.products_description, p.product_is_free, p.product_is_call, mtpd.metatags_title, mtpd.metatags_keywords, mtpd.metatags_description from (" . TABLE_PRODUCTS . " p, " . TABLE_PRODUCTS_DESCRIPTION . " pd) left join " . TABLE_META_TAGS_PRODUCTS_DESCRIPTION . " mtpd on mtpd.products_id = p.products_id and mtpd.language_id = '" . (int)$_SESSION['languages_id'] . "' where p.products_id = '" . (int)$_GET['products_id'] . "' and p.products_id = pd.products_id and pd.language_id = '" . (int)$_SESSION['languages_id'] . "'"; $product_info_metatags = $db->Execute($sql); if ($product_info_metatags->EOF) { $meta_tags_over_ride = true; } else { // custom meta tags per product if (!empty($product_info_metatags->fields['metatags_keywords']) or !empty($product_info_metatags->fields['metatags_description'])) { $meta_products_name = ''; $meta_products_price = ''; $metatags_keywords = ''; $meta_products_price = ($product_info_metatags->fields['metatags_price_status'] == '1' ? SECONDARY_SECTION . ($product_info_metatags->fields['products_price_sorter'] > 0 ? $currencies->display_price($product_info_metatags->fields['products_price_sorter'], zen_get_tax_rate($product_info_metatags->fields['products_tax_class_id'])) : SECONDARY_SECTION . META_TAG_PRODUCTS_PRICE_IS_FREE_TEXT) : ''); $meta_products_name .= ($product_info_metatags->fields['metatags_products_name_status'] == '1' ? $product_info_metatags->fields['products_name'] : ''); $meta_products_name .= ($product_info_metatags->fields['metatags_title_status'] == '1' ? ' ' . $product_info_metatags->fields['metatags_title'] : ''); $meta_products_name .= ($product_info_metatags->fields['metatags_model_status'] == '1' ? ' [' . $product_info_metatags->fields['products_model'] . ']' : ''); if (zen_check_show_prices() == true) { $meta_products_name .= $meta_products_price; } $meta_products_name .= ($product_info_metatags->fields['metatags_title_tagline_status'] == '1' ? PRIMARY_SECTION . TITLE . TAGLINE : ''); if (!empty($product_info_metatags->fields['metatags_description'])) { // use custom description $metatags_description = $product_info_metatags->fields['metatags_description']; } else { // no custom description defined use product_description $metatags_description = zen_truncate_paragraph(strip_tags(stripslashes($product_info_metatags->fields['products_description'])), MAX_META_TAG_DESCRIPTION_LENGTH); } $metatags_description = zen_clean_html($metatags_description); if (!empty($product_info_metatags->fields['metatags_keywords'])) { // use custom keywords $metatags_keywords = $product_info_metatags->fields['metatags_keywords'] . METATAGS_DIVIDER . CUSTOM_KEYWORDS;  // CUSTOM skips categories } else { // no custom keywords defined use product_description $metatags_keywords = KEYWORDS . METATAGS_DIVIDER . $meta_products_name . METATAGS_DIVIDER; } define('META_TAG_TITLE', str_replace('"','',zen_clean_html($review_on . $meta_products_name))); define('META_TAG_DESCRIPTION', str_replace('"','',zen_clean_html($metatags_description . ' '))); define('META_TAG_KEYWORDS', str_replace('"','',zen_clean_html($metatags_keywords)));  // KEYWORDS and CUSTOM_KEYWORDS are added above } else { // build un-customized meta tag if (META_TAG_INCLUDE_PRICE == '1' and !strstr($_GET['main_page'], 'document_general')) { if ($product_info_metatags->fields['product_is_free'] != '1') { if (zen_check_show_prices() == true) { $meta_products_price = zen_get_products_actual_price($product_info_metatags->fields['products_id']); $prod_is_call_and_no_price = ($product_info_metatags->fields['product_is_call'] == '1' && $meta_products_price == 0); $meta_products_price = (!$prod_is_call_and_no_price ? SECONDARY_SECTION . $currencies->display_price($meta_products_price, zen_get_tax_rate($product_info_metatags->fields['products_tax_class_id'])) : ''); } } else { $meta_products_price = SECONDARY_SECTION . META_TAG_PRODUCTS_PRICE_IS_FREE_TEXT; } } else { $meta_products_price = ''; } if (META_TAG_INCLUDE_MODEL == '1' && zen_not_null($product_info_metatags->fields['products_model'])) { $meta_products_name = $product_info_metatags->fields['products_name'] . ' [' . $product_info_metatags->fields['products_model'] . ']'; } else { $meta_products_name = $product_info_metatags->fields['products_name']; } $meta_products_name = zen_clean_html($meta_products_name); $meta_products_description = zen_truncate_paragraph(strip_tags(stripslashes($product_info_metatags->fields['products_description'])), MAX_META_TAG_DESCRIPTION_LENGTH); $meta_products_description = zen_clean_html($meta_products_description); //产品页 define('META_TAG_TITLE', str_replace('"','',$review_on . $meta_products_name . $meta_products_price.  PRIMARY_SECTION.$_SESSION["cate_2"] . TITLE . TAGLINE)); define('META_TAG_DESCRIPTION', str_replace('"','',TITLE . ' ' . $meta_products_name . SECONDARY_SECTION . $meta_products_description . ' ')); define('META_TAG_KEYWORDS', str_replace('"','',$meta_products_name . METATAGS_DIVIDER . KEYWORDS)); } // CUSTOM META TAGS } // EOF break; 以下是zencart电子商务网站的产品一级目录和二级目录 case 'index': // bof: categories meta tags // run custom categories meta tags $sql = "select * from " . TABLE_METATAGS_CATEGORIES_DESCRIPTION . " mcd where mcd.categories_id = '" . (int)$current_category_id . "' and mcd.language_id = '" . (int)$_SESSION['languages_id'] . "'"; $category_metatags = $db->Execute($sql); if (!$category_metatags->EOF) { define('META_TAG_TITLE', str_replace('"','',$category_metatags->fields['metatags_title'])); define('META_TAG_DESCRIPTION', str_replace('"','',$category_metatags->fields['metatags_description'])); define('META_TAG_KEYWORDS', str_replace('"','',$category_metatags->fields['metatags_keywords'])); } else { // build categories meta tags // eof: categories meta tags if ($category_depth == 'nested') { $sql = "select cd.categories_name,cd.categories_id from " . TABLE_CATEGORIES . " c, " . TABLE_CATEGORIES_DESCRIPTION . " cd where c.categories_id = cd.categories_id and cd.categories_id = '" . (int)$current_category_id . "' and cd.language_id = '" . (int)$_SESSION['languages_id'] . "' and c.categories_status=1"; $category_metatags = $db->Execute($sql); if ($category_metatags->EOF) { $meta_tags_over_ride = true; } else { /* 分类左ID*/ define('META_TAG_TITLE', str_replace('"','', zen_clean_html($category_metatags->fields['categories_name']) . PRIMARY_SECTION . TITLE . TAGLINE)); define('META_TAG_DESCRIPTION', str_replace('"','',TITLE . PRIMARY_SECTION . zen_clean_html($category_metatags->fields['categories_name']) . SECONDARY_SECTION . KEYWORDS)); define('META_TAG_KEYWORDS', str_replace('"','',KEYWORDS . METATAGS_DIVIDER . zen_clean_html($category_metatags->fields['categories_name']))); } // EOF } elseif ($category_depth == 'products') { if (isset($_GET['manufacturers_id']) || ((isset($_GET['filter_id']) && $_GET['filter_id'] > 0) && isset($_GET['cPath'])) ) { if ((isset($_GET['filter_id']) && isset($_GET['cPath'])) ) { $include_manufacturers_id = $_GET['filter_id']; } else { $include_manufacturers_id = $_GET['manufacturers_id']; } $sql = "select manufacturers_name from " . TABLE_MANUFACTURERS . " where manufacturers_id = '" . (int)$include_manufacturers_id . "'"; $manufacturer_metatags = $db->Execute($sql); if ($manufacturer_metatags->EOF) { $meta_tags_over_ride = true; } else { define('META_TAG_TITLE', str_replace('"','',$manufacturer_metatags->fields['manufacturers_name'] . PRIMARY_SECTION . TITLE . TAGLINE)); define('META_TAG_DESCRIPTION', str_replace('"','',TITLE . PRIMARY_SECTION . $manufacturer_metatags->fields['manufacturers_name'] . SECONDARY_SECTION . KEYWORDS)); define('META_TAG_KEYWORDS', str_replace('"','', $manufacturer_metatags->fields['manufacturers_name'] . METATAGS_DIVIDER . KEYWORDS)); } // EOF } else { $sql = "select cd.categories_name from " . TABLE_CATEGORIES . ' c, ' . TABLE_CATEGORIES_DESCRIPTION . " cd where c.categories_id = cd.categories_id and cd.categories_id = '" . (int)$current_category_id . "' and cd.language_id = '" . (int)$_SESSION['languages_id'] . "' and c.categories_status=1"; $category_metatags = $db->Execute($sql); if ($category_metatags->EOF) { $meta_tags_over_ride = true; } else { //二级分类 define('META_TAG_TITLE', str_replace('"','', zen_clean_html($category_metatags->fields['categories_name']) .PRIMARY_SECTION . TITLE . TAGLINE)); define('META_TAG_DESCRIPTION', str_replace('"','',TITLE . PRIMARY_SECTION . zen_clean_html($category_metatags->fields['categories_name']) . SECONDARY_SECTION . KEYWORDS)); define('META_TAG_KEYWORDS', str_replace('"','',KEYWORDS . METATAGS_DIVIDER . zen_clean_html($category_metatags->fields['categories_name']))); } // EOF } } else { if (isset($_GET['manufacturers_id'])) { $sql = "select manufacturers_name from " . TABLE_MANUFACTURERS . " where manufacturers_id = '" . (int)$_GET['manufacturers_id'] . "'"; $manufacturer_metatags = $db->Execute($sql); if ($manufacturer_metatags->EOF) { define('META_TAG_TITLE', TITLE . TAGLINE); define('META_TAG_DESCRIPTION', TITLE . PRIMARY_SECTION . str_replace(array("'",'"'),'',strip_tags(HEADING_TITLE)) . SECONDARY_SECTION . KEYWORDS); define('META_TAG_KEYWORDS', KEYWORDS . METATAGS_DIVIDER . str_replace(array("'",'"'),'',strip_tags(HEADING_TITLE))); } else { define('META_TAG_TITLE', str_replace('"','', $manufacturer_metatags->fields['manufacturers_name'] . PRIMARY_SECTION . TITLE . TAGLINE)); define('META_TAG_DESCRIPTION', str_replace('"','',TITLE . PRIMARY_SECTION . $manufacturer_metatags->fields['manufacturers_name'] . SECONDARY_SECTION . KEYWORDS)); define('META_TAG_KEYWORDS', str_replace('"','', $manufacturer_metatags->fields['manufacturers_name'] . METATAGS_DIVIDER . KEYWORDS)); } } else { // nothing custom main page $meta_tags_over_ride = true; } } } // custom meta tags break; 你可以对里面的TITLE, KEYWORDS, DESCRIPTION进行修改,以达到自己的目的,不过建议一点程序也不懂的就不要乱改.

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