Redis 排行榜 自己简单练习

<?php
class Ranks{
const PREFIX = 'zhengban';
protected $redis = '';
/*
初始化
*/
public function __construct(redis $redis){
$this->redis = $redis;
}
/*
添加到排行榜
*/
public function addScores($gameid,$score){
$key = self::PREFIX . date('Ymd');
return $this->redis->zIncrBy($key, $score, $gameid);
}
/*
获取特定一天的排行榜数据
返回一维数组,key是gameid,value是score
*/
public function getOneDayRankings($date,$start,$end){
$key = self::PREFIX . $date;
return $this->redis->zRevRange($key, $start, $end, true);
}
/*
获取几天数据的排行榜
*/
public function getMultiDaysRankings($dates,$start,$end){
$outKey = null;
foreach ($dates as $v){
$keys[] = self::PREFIX . $v;
}
//$weights = array_fill(0, count($keys), 1);
//$this->redis->zUnion($outKey, $keys,$weights);
$this->redis->zUnion($outKey, $keys);
return $this->redis->zRevRange($outKey, $start, $end, true);
}
} $host = "192.168.1.114";
$port = 6379;
$pwd = "123456";
$redis = new Redis();
if ($redis->connect($host, $port) == false) {
exit('{"result":"-1"}'); //连接失败
}
/* AUTH的密码 */
if ($redis->auth($pwd) == false) {
exit('{"result":"-2"}'); //认证失败
} $Ranks = new Ranks($redis);
//$Ranks->addScores(12,1);
$order = $Ranks->getMultiDaysRankings(array(20151021,20151022,20151020),0,9);
var_dump($order);
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