使用Redis实现用户积分排行榜的教程

ZINCRBY rank:20150401 5 1

ZINCRBY rank:20150401 1 2
ZINCRBY rank:20150401 10 3

ZRANGE rank:20150401 0 -1 withscores

1) "2"
2) "1"
3) "1"
4) "5"
5) "3"
6) "10"

ZREVRANGE rank:20150401 0 9 withscores

1) "3"
2) "10"
3) "1"
4) "5"
5) "2"
6) "1"

ZREVRANGE rank:20150331 0 9 withscores

ZUNIONSTORE rank:last_week 7 rank:20150323 rank:20150324 rank:20150325 rank:20150326 rank:20150327 rank:20150328 rank:20150329 WEIGHTS 1 1 1 1 1 1 1

ZREVRANGE rank:last_week 0 9 withscores

<?php

namespace Blog\Redis;

use \Redis;
use Carbon\Carbon;


class Ranks {

  const PREFIX = 'rank:';

  protected $redis = null;


  public function __construct(Redis $redis) {
    $this->redis = $redis;
  }


  public function addScores($member, $scores) {
    $key = self::PREFIX . date('Ymd');
    return $this->redis->zIncrBy($key, $scores, $member);
  }


  protected function getOneDayRankings($date, $start, $stop) {
    $key = self::PREFIX . $date;
    return $this->redis->zRevRange($key, $start, $stop, true);