\u4f7f\u7528Redis\u6784\u5efa\u66f4\u52a0\u53ef\u9760\u7684\u7a0b\u5e8f<\/p>\n<\/p>\n
\u5728\u73b0\u4ee3\u4e92\u8054\u7f51\u5e94\u7528\u5f00\u53d1\u4e2d\uff0c\u6570\u636e\u7684\u9ad8\u53ef\u7528\u6027\u548c\u53ef\u9760\u6027\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002Redis\u4f5c\u4e3a\u4e00\u6b3e\u5f00\u6e90\u7684\u9ad8\u6027\u80fd\u3001\u9ad8\u53ef\u7528\u6027\u7684\u6570\u636e\u5b58\u50a8\u7cfb\u7edf\uff0c\u5728\u8fd9\u65b9\u9762\u7684\u8868\u73b0\u65e0\u7591\u662f\u51fa\u8272\u7684\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528Redis\u6784\u5efa\u66f4\u52a0\u53ef\u9760\u7684\u7a0b\u5e8f\u3002<\/p>\n<\/p>\n
\u4e00\u3001\u4f7f\u7528Redis\u63d0\u9ad8\u5e94\u7528\u7a0b\u5e8f\u6027\u80fd<\/p>\n<\/p>\n
Redis\u662f\u4e00\u4e2a\u9ad8\u6027\u80fd\u7684\u952e\u503c\u6570\u636e\u5b58\u50a8\u7cfb\u7edf\uff0c\u5b83\u652f\u6301\u591a\u79cd\u6570\u636e\u7c7b\u578b\uff0c\u5305\u62ec\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u3001\u6709\u5e8f\u96c6\u5408\u7b49\u3002\u540c\u65f6\uff0cRedis\u4e5f\u652f\u6301\u6570\u636e\u7684\u5907\u4efd\u3001\u6301\u4e45\u5316\u3001\u96c6\u7fa4\u7b49\u7279\u6027\uff0c\u8fd9\u4e9b\u7279\u6027\u53ef\u4ee5\u5e2e\u52a9\u5e94\u7528\u7a0b\u5e8f\u66f4\u597d\u5730\u5904\u7406\u6570\u636e\uff0c\u63d0\u9ad8\u6027\u80fd\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528Redis\u8fdb\u884c\u7f13\u5b58\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n
\u201c`python<\/p>\n
import redis<\/p>\n<\/p>\n
# \u8fde\u63a5 Redis \u6570\u636e\u5e93<\/p>\n
r = redis.StrictRedis(host=\u2019localhost\u2019, port=6379, db=0)<\/p>\n<\/p>\n
# \u68c0\u67e5\u7f13\u5b58\u4e2d\u662f\u5426\u6709\u6570\u636e<\/p>\n
cache = r.get(\u2018example_key\u2019)<\/p>\n<\/p>\n
if cache is not None:<\/p>\n
print(\u2018Data is in cache\u2019)<\/p>\n
else:<\/p>\n
# \u5982\u679c\u7f13\u5b58\u4e2d\u6ca1\u6709\u6570\u636e\uff0c\u5219\u4ece\u6570\u636e\u5e93\u4e2d\u8bfb\u53d6\u6570\u636e\u5e76\u5b58\u5165\u7f13\u5b58<\/p>\n
data = {\u2018name\u2019: \u2018John\u2019, \u2018age\u2019: 35}<\/p>\n
r.set(\u2018example_key\u2019, data)<\/p>\n
print(\u2018Data is not in cache, saved to cache\u2019)<\/p>\n
\u4e8c\u3001\u4f7f\u7528Redis\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501
\u5728\u591a\u7ebf\u7a0b\u6216\u591a\u8fdb\u7a0b\u73af\u5883\u4e2d\uff0c\u6211\u4eec\u9700\u8981\u4f7f\u7528\u9501\u6765\u4fdd\u8bc1\u6570\u636e\u7684\u4e00\u81f4\u6027\u548c\u53ef\u9760\u6027\u3002\u4f7f\u7528Redis\u53ef\u4ee5\u5b9e\u73b0\u57fa\u4e8e\u5206\u5e03\u5f0f\u9501\u7684\u6570\u636e\u8bbf\u95ee\uff0c\u907f\u514d\u591a\u4e2a\u7ebf\u7a0b\u6216\u8fdb\u7a0b\u540c\u65f6\u8bbf\u95ee\u540c\u4e00\u4e2a\u6570\u636e\u9020\u6210\u7684\u95ee\u9898\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528Redis\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u7684\u793a\u4f8b\u4ee3\u7801\uff1a
```python
import redis
# \u8fde\u63a5 Redis \u6570\u636e\u5e93
r = redis.StrictRedis(host='localhost', port=6379, db=0)
# \u83b7\u53d6\u5206\u5e03\u5f0f\u9501
lock = r.lock('example_lock', timeout=10)
if lock.acquire():
try:
# \u8fdb\u884c\u6570\u636e\u64cd\u4f5c
data = {'name': 'John', 'age': 35}
r.set('example_key', data)
finally:
# \u91ca\u653e\u5206\u5e03\u5f0f\u9501
lock.release()
else:
print('Fled to acquire lock')
<\/pre>\n<\/p>\n\u4e09\u3001\u4f7f\u7528Redis\u5b9e\u73b0\u6d88\u606f\u961f\u5217<\/p>\n<\/p>\n
\u5728\u5927\u89c4\u6a21\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\uff0c\u6d88\u606f\u961f\u5217\u662f\u4e00\u79cd\u975e\u5e38\u91cd\u8981\u7684\u901a\u8baf\u65b9\u5f0f\u3002Redis\u4e5f\u652f\u6301\u6d88\u606f\u961f\u5217\uff0c\u53ef\u4ee5\u7528\u6765\u5b9e\u73b0\u5f02\u6b65\u4efb\u52a1\u3001\u4e8b\u4ef6\u9a71\u52a8\u7b49\u5e94\u7528\u573a\u666f\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528Redis\u5b9e\u73b0\u6d88\u606f\u961f\u5217\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n
\u201c`python<\/p>\n
import redis<\/p>\n<\/p>\n
# \u8fde\u63a5 Redis \u6570\u636e\u5e93<\/p>\n
r = redis.StrictRedis(host=\u2019localhost\u2019, port=6379, db=0)<\/p>\n<\/p>\n
# \u5c06\u6d88\u606f\u52a0\u5165\u961f\u5217<\/p>\n
r.lpush(\u2018example_queue\u2019, \u2018message1\u2019)<\/p>\n
r.lpush(\u2018example_queue\u2019, \u2018message2\u2019)<\/p>\n<\/p>\n
# \u4ece\u961f\u5217\u4e2d\u53d6\u51fa\u6d88\u606f<\/p>\n
message = r.brpop(\u2018example_queue\u2019)<\/p>\n<\/p>\n
print(message)<\/p>\n
\u56db\u3001\u4f7f\u7528Redis\u5b9e\u73b0\u5206\u5e03\u5f0f\u8ba1\u6570\u5668
\u5728\u4e00\u4e9b\u5e94\u7528\u573a\u666f\u4e2d\uff0c\u6211\u4eec\u9700\u8981\u5bf9\u67d0\u4e9b\u6570\u636e\u8fdb\u884c\u8ba1\u6570\uff0c\u800c\u4e14\u9700\u8981\u652f\u6301\u5206\u5e03\u5f0f\u7684\u6570\u636e\u8bbf\u95ee\u3002Redis\u63d0\u4f9b\u4e86\u81ea\u589e\u3001\u81ea\u51cf\u7b49\u539f\u5b50\u6027\u64cd\u4f5c\uff0c\u53ef\u4ee5\u7528\u6765\u5b9e\u73b0\u5206\u5e03\u5f0f\u8ba1\u6570\u5668\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528Redis\u5b9e\u73b0\u5206\u5e03\u5f0f\u8ba1\u6570\u5668\u7684\u793a\u4f8b\u4ee3\u7801\uff1a
```python
import redis
# \u8fde\u63a5 Redis \u6570\u636e\u5e93
r = redis.StrictRedis(host='localhost', port=6379, db=0)
# \u521d\u59cb\u5316\u8ba1\u6570\u5668
r.set('example_counter', 0)
# \u81ea\u589e\u8ba1\u6570\u5668
r.incr('example_counter')
# \u83b7\u53d6\u8ba1\u6570\u5668\u7684\u5f53\u524d\u503c
counter_value = r.get('example_counter')
print(counter_value)
<\/pre>\n<\/p>\n\u7efc\u4e0a\u6240\u8ff0\uff0cRedis\u62e5\u6709\u4f18\u79c0\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\uff0c\u53ef\u4ee5\u7528\u6765\u6784\u5efa\u66f4\u52a0\u53ef\u9760\u7684\u7a0b\u5e8f\u3002\u672c\u6587\u4ecb\u7ecd\u4e86Redis\u5728\u5e94\u7528\u7a0b\u5e8f\u6027\u80fd\u3001\u5206\u5e03\u5f0f\u9501\u3001\u6d88\u606f\u961f\u5217\u3001\u5206\u5e03\u5f0f\u8ba1\u6570\u5668\u7b49\u65b9\u9762\u7684\u5e94\u7528\u793a\u4f8b\u4ee3\u7801\uff0c\u5e0c\u671b\u5bf9\u8bfb\u8005\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n