public static function createCacheRandWords(array $condition = array(), $expired = 24)
{
ini_set('memory_limit', '512M');
$key = md5(json_encode($condition));
$return_pagenum_list = array();
$expired = $expired * 3600;
//一天
$pagenum_expired = 2 * $expired;
//两天
$file_cache = \Yii::$app->cache_data_file;
$file_cache->cachePath = \Yii::getAlias('@frontend') . '/runtime/cache/rand_words';
$cache_key_letter_pagenum = sprintf('%s|%s|%s|%s', 'rand_words', 'caches', 'randwords' . '_' . $key, 'pagenum');
$cache_letter_pagenum_data = $file_cache->get($cache_key_letter_pagenum);
if ($cache_letter_pagenum_data) {
$return_pagenum_list = $cache_letter_pagenum_data;
}
//获取字母所对应的数据
$letter_list = 'abcdefghijklmnopqrstuvwxyz';
$len = strlen($letter_list);
$return_list = array();
$max_kw_length = 3000;
// $size;
for ($i = 0; $i < $len; $i++) {
$wd = strtoupper($letter_list[$i]);
$pagenum = isset($return_pagenum_list[$wd]) ? $return_pagenum_list[$wd] : 0;
$pagenum = intval($pagenum) + 1;
$tmp_offset = $pagenum * $max_kw_length;
$return_info = Search::search_words_byinitial($wd, $tmp_offset, $max_kw_length, $condition);
if (count($return_info['list']) == 0 && $pagenum > 0) {
$return_info = Search::search_words_byinitial($wd, 0, $max_kw_length, $condition);
$pagenum = 0;
}
$ret = $return_info['list'];
$return_list[$wd] = $ret;
$return_pagenum_list[$wd] = $pagenum;
}
//根据查询条件生成redis缓存的key前缀
$redis_cache_key_prefix = self::buildKey($condition);
self::createRandWordsForRedis($redis_cache_key_prefix, $return_list);
$cache_key_letter_words = sprintf('%s|%s|%s|%s', 'rand_words', 'caches', 'randwords' . '_' . $key, 'words');
$file_cache->set($cache_key_letter_words, $return_list, $expired);
$file_cache->set($cache_key_letter_pagenum, $return_pagenum_list, $pagenum_expired);
return $return_list;
}
private function getwordslist($wd, $offset, $size)
{
$filter_array = $this->getFilterArray();
return Search::search_words_byinitial($wd, $offset, $size, $filter_array);
}
/**
* 获取26字母下的热词
*/
public function letterRandWords()
{
$letters = range('A', 'Z');
$offset = 0;
$length = 28;
$type = array(array('filter' => 'filter', 'args' => array('typeid', array(0, 2, 3, 4))));
foreach ($letters as $k => $v) {
$ret[$v] = Search::search_words_byinitial($v, $offset, $length, $type);
}
$result['letter'] = $letters;
$result['words'] = $ret;
return $result;
}
