初识Redis
第一关
redis-cli
set hello redis
lpush educoder-list hello
rpush educoder-list educoder
rpush educoder-list bye
rpop educoder-list
sadd educoder-set C
sadd educoder-set python
sadd educoder-set redis
srem educoder-set C
hset educoder-hash python language
hset educoder-hash ruby language
hset educoder-hash redis database
hdel educoder-hash ruby
zadd educoder-zset 200 jack
zadd educoder-zset 400 rose
zadd educoder-zset 100 lee
第二关（输入要空2格）
import redis
pool = redis.ConnectionPool(host='127.0.0.1', port=6379, decode_responses=True)
r1 = redis.Redis(connection_pool=pool)
r1.set("test1", "hello")
r1.set("test2", "Redis")
第三关
#********* Begin *********#
if r.zscore('time', article_id) < cutoff:
return
if r.sadd('voted:' + article_id, user_id):
r.zincrby('score', article_id, 1)
#********* End *********#
#********* Begin *********#
voted = 'voted:' + article_id
r.sadd(voted, user)
r.expire(voted, ONE_WEEK_IN_SECONDS)
now = time.time()
article = 'article:' + article_id
r.hmset(article, {
'title': title,
'link': link,
'poster': user,
})
r.zadd('score', article_id, 1)
r.zadd('time', article_id, now)
#********* End *********#
def get_articles(r, start, end, order='score'):
ids = r.zrevrange(order, start, end)##增加这一行
articles = []
#********* Begin *********#
for id in ids:
article_data = r.hgetall(id)
article_data['id'] = id
articles.append(article_data)
#********* End *********#
