優(yōu)化ecshop加快ecshop首頁(yè)訪問(wèn)速度

2024-04-25 20:43:29

字體：大中小

供稿：網(wǎng)友

假如ECshop的產(chǎn)品數(shù)到達(dá)幾萬(wàn)，十幾萬(wàn)的時(shí)分，假如主頁(yè)沒(méi)有緩存，初次拜訪的時(shí)分，你會(huì)發(fā)現(xiàn)其慢無(wú)比，緣由即是清空了Cache后或許沒(méi)有Cache的情況下，ECshop會(huì)Bulid一些Cache數(shù)據(jù)，致使拜訪很慢，但咱們有時(shí)分后臺(tái)修改類(lèi)目或許別的的，經(jīng)常會(huì)觸發(fā)清空Cache，所以主頁(yè)初次拜訪也成了疑問(wèn)。

在大數(shù)據(jù)量的情況下，影響主頁(yè)速度最大的即是引薦的Best、Hot、New Item的數(shù)據(jù)Bulid，它會(huì)把一切的復(fù)合條件的產(chǎn)品都會(huì)讀一遍，然后存到/temp/static_caches/recommend_goods.php這個(gè)文件下，有時(shí)分會(huì)到達(dá)10M或許數(shù)十M，本來(lái)咱們并不需要一切的產(chǎn)品都Bulid進(jìn)入，由于這個(gè)緩存只用在主頁(yè)和Category頁(yè)的調(diào)用，有點(diǎn)糟蹋。（P.S 由于Category拜訪本來(lái)就比較慢，所以我把暢銷(xiāo)產(chǎn)品在Category的展現(xiàn)屏蔽了，所以只剩主頁(yè)調(diào)用）

主頁(yè)展現(xiàn)的時(shí)分，三種類(lèi)型Best、Hot、New只展現(xiàn)10個(gè)產(chǎn)品（我沒(méi)有挑選展現(xiàn)多個(gè)類(lèi)目），所以這個(gè)上面有很大的優(yōu)化空間。

翻開(kāi)include目錄下的lib_goods.php文件，找到function get_recommend_goods() 函數(shù)，初始的大概是

[php]

function get_recommend_goods($type = '', $cats = '')

{

if (!in_array($type, array('best', 'new', 'hot')))

{

return array();

}

//取不同推薦對(duì)應(yīng)的商品

static $type_goods = array();

if (empty($type_goods[$type]))

{

//初始化數(shù)據(jù)

$type_goods['best'] = array();

$type_goods['new'] = array();

$type_goods['hot'] = array();

$data = read_static_cache('recommend_goods');

if ($data === false)

{

$sql = 'SELECT g.goods_id, g.is_best, g.is_new, g.is_hot, g.is_promote, b.brand_name,g.sort_order ' .

' FROM ' . $GLOBALS['ecs']->table('goods') . ' AS g ' .

' LEFT JOIN ' . $GLOBALS['ecs']->table('brand') . ' AS b ON b.brand_id = g.brand_id ' .

' WHERE g.is_on_sale = 1 AND g.is_alone_sale = 1 AND g.is_delete = 0 AND (g.is_best = 1 OR g.is_new =1 OR g.is_hot = 1)'.

' ORDER BY g.sort_order, g.last_update DESC';

$goods_res = $GLOBALS['db']->getAll($sql);

//定義推薦,最新，熱門(mén)，促銷(xiāo)商品

$goods_data['best'] = array();

$goods_data['new'] = array();

$goods_data['hot'] = array();

$goods_data['brand'] = array();

if (!empty($goods_res))

{

foreach($goods_res as $data)

{

if ($data['is_best'] == 1)

{

$goods_data['best'][] = array('goods_id' => $data['goods_id'], 'sort_order' => $data['sort_order']);

}

if ($data['is_new'] == 1)

{

$goods_data['new'][] = array('goods_id' => $data['goods_id'], 'sort_order' => $data['sort_order']);

}

if ($data['is_hot'] == 1)

{

$goods_data['hot'][] = array('goods_id' => $data['goods_id'], 'sort_order' => $data['sort_order']);

}

if ($data['brand_name'] != '')

{

$goods_data['brand'][$data['goods_id']] = $data['brand_name'];

}

write_static_cache('recommend_goods', $goods_data);

}

else

{

$goods_data = $data;

}

$time = gmtime();

$order_type = $GLOBALS['_CFG']['recommend_order'];

//按推薦數(shù)量及排序取每一項(xiàng)推薦顯示的商品 order_type可以根據(jù)后臺(tái)設(shè)定進(jìn)行各種條件顯示

static $type_array = array();

$type2lib = array('best'=>'recommend_best', 'new'=>'recommend_new', 'hot'=>'recommend_hot');

if (empty($type_array))

{

foreach($type2lib as $key => $data)

{

if (!empty($goods_data[$key]))

{

$num = get_library_number($data);

$data_count = count($goods_data[$key]);

$num = $data_count > $num ? $num : $data_count;

if ($order_type == 0)

{

//usort($goods_data[$key], 'goods_sort');

$rand_key = array_slice($goods_data[$key], 0, $num);

foreach($rand_key as $key_data)

{

$type_array[$key][] = $key_data['goods_id'];

}

else

{

$rand_key = array_rand($goods_data[$key], $num);

if ($num == 1)

{

$type_array[$key][] = $goods_data[$key][$rand_key]['goods_id'];

}

else

{

foreach($rand_key as $key_data)

{

$type_array[$key][] = $goods_data[$key][$key_data]['goods_id'];

}

else

{

$type_array[$key] = array();

}

//取出所有符合條件的商品數(shù)據(jù)，并將結(jié)果存入對(duì)應(yīng)的推薦類(lèi)型數(shù)組中

$sql = 'SELECT g.goods_id, g.goods_name, g.goods_name_style, g.market_price, g.shop_price AS org_price, g.promote_price, ' .

"IFNULL(mp.user_price, g.shop_price * '$_SESSION[discount]') AS shop_price, ".

"promote_start_date, promote_end_date, g.goods_brief, g.goods_thumb, g.goods_img, RAND() AS rnd " .

'FROM ' . $GLOBALS['ecs']->table('goods') . ' AS g ' .

"LEFT JOIN " . $GLOBALS['ecs']->table('member_price') . " AS mp ".

"ON mp.goods_id = g.goods_id AND mp.user_rank = '$_SESSION[user_rank]' ";

$type_merge = array_merge($type_array['new'], $type_array['best'], $type_array['hot']);

$type_merge = array_unique($type_merge);

$sql .= ' WHERE g.goods_id ' . db_create_in($type_merge);

$sql .= ' ORDER BY g.sort_order, g.last_update DESC';

$result = $GLOBALS['db']->getAll($sql);

foreach ($result AS $idx => $row)

{

if ($row['promote_price'] > 0)

{

$promote_price = bargain_price($row['promote_price'], $row['promote_start_date'], $row['promote_end_date']);

$goods[$idx]['promote_price'] = $promote_price > 0 ? price_format($promote_price) : '';

}

else

{

$goods[$idx]['promote_price'] = '';

}

$goods[$idx]['id'] = $row['goods_id'];

$goods[$idx]['name'] = $row['goods_name'];

$goods[$idx]['brief'] = $row['goods_brief'];

$goods[$idx]['brand_name'] = isset($goods_data['brand'][$row['goods_id']]) ? $goods_data['brand'][$row['goods_id']] : '';

$goods[$idx]['goods_style_name'] = add_style($row['goods_name'],$row['goods_name_style']);

$goods[$idx]['short_name'] = $GLOBALS['_CFG']['goods_name_length'] > 0 ?

sub_str($row['goods_name'], $GLOBALS['_CFG']['goods_name_length']) : $row['goods_name'];

$goods[$idx]['short_style_name'] = add_style($goods[$idx]['short_name'],$row['goods_name_style']);

$goods[$idx]['market_price'] = price_format($row['market_price']);

$goods[$idx]['shop_price'] = price_format($row['shop_price']);

$goods[$idx]['thumb'] = get_image_path($row['goods_id'], $row['goods_thumb'], true);

$goods[$idx]['goods_img'] = get_image_path($row['goods_id'], $row['goods_img']);

$goods[$idx]['url'] = build_uri('goods', array('gid' => $row['goods_id']), $row['goods_name']);

if (in_array($row['goods_id'], $type_array['best']))

{

$type_goods['best'][] = $goods[$idx];

}

if (in_array($row['goods_id'], $type_array['new']))

{

$type_goods['new'][] = $goods[$idx];

}

if (in_array($row['goods_id'], $type_array['hot']))

{

$type_goods['hot'][] = $goods[$idx];

}

return $type_goods[$type];

}

[/php]

我們思路就是不讀取所有的商品信息，而是Best、Hot、New夠用展示就行了，所以把代碼調(diào)整了一下，限制了Bulid的商品數(shù)，去掉了一些我不需要的Join表，當(dāng)然大家不一定要照著我做，我講的都是思路，看自己的實(shí)際情況，要有點(diǎn)程序基本功。

更改后的代碼如下：

[php]

function get_recommend_goods($type = '', $cats = '')

{

if (!in_array($type, array('best', 'new', 'hot')))

{

return array();

}

//取不同推薦對(duì)應(yīng)的商品

static $type_goods = array();

if (empty($type_goods[$type]))

{

//初始化數(shù)據(jù)

$type_goods['best'] = array();

$type_goods['new'] = array();

$type_goods['hot'] = array();

$data = read_static_cache('recommend_goods');

if ($data === false)

{

$sql = 'SELECT g.goods_id, g.sort_order ' .

' FROM ' . $GLOBALS['ecs']->table('goods') . ' AS g ' .

' WHERE (g.is_best = 1)'.

' ORDER BY g.goods_number DESC limit 50';

$goods_res = $GLOBALS['db']->getAll($sql);

$goods_data['best'] = array();

if (!empty($goods_res))

{

foreach($goods_res as $data)

{

$goods_data['best'][] = array('goods_id' => $data['goods_id'], 'sort_order' => $data['sort_order']);

}

$sql = 'SELECT g.goods_id, g.sort_order ' .

' FROM ' . $GLOBALS['ecs']->table('goods') . ' AS g ' .

' WHERE (g.is_new = 1 and g.is_best = 0 and g.is_hot = 0)'.

' ORDER BY g.goods_id DESC limit 50';

$goods_res = $GLOBALS['db']->getAll($sql);

$goods_data['new'] = array();

if (!empty($goods_res))

{

foreach($goods_res as $data)

{

$goods_data['new'][] = array('goods_id' => $data['goods_id'], 'sort_order' => $data['sort_order']);

}

$sql = 'SELECT g.goods_id, g.sort_order ' .

' FROM ' . $GLOBALS['ecs']->table('goods') . ' AS g ' .

' WHERE (g.is_hot = 1 and g.is_best = 0)'.

' ORDER BY g.goods_number DESC limit 50';

$goods_res = $GLOBALS['db']->getAll($sql);

$goods_data['hot'] = array();

if (!empty($goods_res))

{

foreach($goods_res as $data)

{

$goods_data['hot'][] = array('goods_id' => $data['goods_id'], 'sort_order' => $data['sort_order']);

}

write_static_cache('recommend_goods', $goods_data);

}

else

{

$goods_data = $data;

}

$time = gmtime();

$order_type = $GLOBALS['_CFG']['recommend_order'];

//按推薦數(shù)量及排序取每一項(xiàng)推薦顯示的商品 order_type可以根據(jù)后臺(tái)設(shè)定進(jìn)行各種條件顯示

static $type_array = array();

$type2lib = array('best'=>'recommend_best', 'new'=>'recommend_new', 'hot'=>'recommend_hot');

if (empty($type_array))

{

foreach($type2lib as $key => $data)

{

if (!empty($goods_data[$key]))

{

$num = get_library_number($data);

$data_count = count($goods_data[$key]);

$num = $data_count > $num ? $num : $data_count;

if ($order_type == 0)

{

//usort($goods_data[$key], 'goods_sort');

$rand_key = array_slice($goods_data[$key], 0, $num);

foreach($rand_key as $key_data)

{

$type_array[$key][] = $key_data['goods_id'];

}

else

{

$rand_key = array_rand($goods_data[$key], $num);

if ($num == 1)

{

$type_array[$key][] = $goods_data[$key][$rand_key]['goods_id'];

}

else

{

foreach($rand_key as $key_data)

{

$type_array[$key][] = $goods_data[$key][$key_data]['goods_id'];

}

else

{

$type_array[$key] = array();

}

//取出所有符合條件的商品數(shù)據(jù)，并將結(jié)果存入對(duì)應(yīng)的推薦類(lèi)型數(shù)組中

$sql = 'SELECT g.goods_id, g.goods_name, g.goods_name_style, g.market_price, g.shop_price AS org_price, g.promote_price, g.shop_price, ' .

"promote_start_date, promote_end_date, g.goods_brief, g.goods_thumb, g.goods_img, RAND() AS rnd " .

'FROM ' . $GLOBALS['ecs']->table('goods') . ' AS g ' .

" ";

$type_merge = array_merge($type_array['new'], $type_array['best'], $type_array['hot']);

$type_merge = array_unique($type_merge);

$sql .= ' WHERE g.goods_id ' . db_create_in($type_merge);

$sql .= ' ORDER BY g.goods_number DESC';