/**
* 获得一条数据
*/
public static function findOne($paramArr)
{
$options = array('server' => 'localhost', 'db' => false, 'collection' => false, 'key' => false);
if (is_array($paramArr)) {
$options = array_merge($options, $paramArr);
}
extract($options);
return API_MongoDB::findOne($server, $db, $collection, $key);
}
/**
* 获得缓存数据
*/
public static function get($paramArr)
{
$options = array('module' => false, 'tbl' => 'tbl', 'key' => false, 'getMeta' => false, 'write' => false, 'minTm' => 0, 'retry' => true);
if (is_array($paramArr)) {
$options = array_merge($options, $paramArr);
}
extract($options);
if (!$module || !isset(self::$_cacheCfg[$module])) {
return false;
}
$cfg = $write ? self::$_cacheCfg[$module]["write"] : self::$_cacheCfg[$module]["read"];
$extParam = array();
if (isset($cfg["slaveOk"])) {
$extParam['slaveOkay'] = 1;
}
if ($write) {
$extParam['slaveOkay'] = 0;
}
#服务器数据
$server = $cfg["server"];
$db = $module;
$md5key = md5($key);
$tbl = $tbl ? $tbl : "tbl";
$collection = $tbl . '_' . substr($md5key, 0, 2);
#获得数据
try {
$data = API_MongoDB::findOne($server, $db, $collection, $md5key, $extParam);
} catch (Exception $e) {
if (!empty($options['retry'])) {
$options['retry'] = false;
return self::get($options);
}
}
$out = false;
if (isset($data) && $data && isset($data['data'])) {
#判断有效期,如果已经过期了，就返回false
if (!isset($data['life']) || !$data['life'] || $data['life'] > SYSTEM_TIME) {
$out = $data['data'];
if ($minTm && $data['life'] < $minTm) {
$out = false;
}
if ($getMeta) {
$out = array('data' => $data['data'], 'meta' => isset($data['meta']) ? $data['meta'] : false);
}
}
}
return $out;
}
