{"id":202281,"date":"2025-05-10T10:05:16","date_gmt":"2025-05-10T02:05:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202281\/"},"modified":"2025-05-10T10:05:16","modified_gmt":"2025-05-10T02:05:16","slug":"redis%ef%bc%9a%e6%9e%84%e5%bb%ba%e9%ab%98%e6%80%a7%e8%83%bd%e6%90%9c%e7%b4%a2%e5%bc%95%e6%93%8e%e7%9a%84%e5%88%a9%e5%99%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202281\/","title":{"rendered":"Redis\uff1a\u6784\u5efa\u9ad8\u6027\u80fd\u641c\u7d22\u5f15\u64ce\u7684\u5229\u5668"},"content":{"rendered":"

<\/b> <\/p>\n

Redis\uff1a\u6784\u5efa\u9ad8\u6027\u80fd\u641c\u7d22\u5f15\u64ce\u7684\u5229\u5668<\/h1>\n

\u73cd\u60dc\u65f6\u95f4\uff0c\u52e4\u594b\u5b66\u4e60\uff01\u4eca\u5929\u7ed9\u5927\u5bb6\u5e26\u6765\u300aRedis\uff1a\u6784\u5efa\u9ad8\u6027\u80fd\u641c\u7d22\u5f15\u64ce\u7684\u5229\u5668\u300b<\/span>\uff0c\u6b63\u6587\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230<\/span>\u7b49\u7b49\uff0c\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60\u6570\u636e\u5e93<\/span>\uff0c\u6216\u8005\u662f\u5bf9\u6570\u636e\u5e93<\/span>\u6709\u7591\u95ee\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u6211\uff01\u540e\u9762\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u5185\u5bb9\u7684\uff0c\u5e0c\u671b\u90fd\u80fd\u5e2e\u5230\u6b63\u5728\u5b66\u4e60\u7684\u5927\u5bb6\uff01<\/p>\n

\u5728\u5f53\u4eca\u4e92\u8054\u7f51\u65f6\u4ee3\uff0c\u641c\u7d22\u5f15\u64ce\u5df2\u7ecf\u6210\u4e3a\u4e86\u4eba\u4eec\u83b7\u53d6\u4fe1\u606f\u7684\u91cd\u8981\u9014\u5f84\uff0c\u800c\u9ad8\u6027\u80fd\u7684\u641c\u7d22\u5f15\u64ce\u4e5f\u6210\u4e3a\u4e86\u8bb8\u591a\u4f01\u4e1a\u548c\u7f51\u7ad9\u7684\u8ffd\u6c42\u76ee\u6807\u3002Redis\u4f5c\u4e3a\u4e00\u6b3e\u9ad8\u6027\u80fd\u3001\u5f00\u6e90\u7684\u7f13\u5b58\u7cfb\u7edf\uff0c\u5df2\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u641c\u7d22\u5f15\u64ce\u7684\u6784\u5efa\u4e2d\uff0c\u6210\u4e3a\u4e86\u6784\u5efa\u9ad8\u6027\u80fd\u641c\u7d22\u5f15\u64ce\u7684\u5229\u5668\u4e4b\u4e00\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5c06\u4ecb\u7ecdRedis\u5728\u641c\u7d22\u5f15\u64ce\u4e2d\u7684\u5e94\u7528\uff0c\u4ee5\u53ca\u7ed9\u51fa\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

1\u3001Redis\u5728\u641c\u7d22\u5f15\u64ce\u4e2d\u7684\u5e94\u7528<\/p>\n

Redis\u4f5c\u4e3a\u4e00\u6b3e\u9ad8\u6027\u80fd\u7684\u7f13\u5b58\u7cfb\u7edf\uff0c\u5176\u4e3b\u8981\u4f7f\u7528\u573a\u666f\u5305\u62ec\u7f13\u5b58\u6570\u636e\u3001\u6d88\u606f\u961f\u5217\u7b49\u3002\u800c\u5728\u641c\u7d22\u5f15\u64ce\u4e2d\uff0cRedis\u4e3b\u8981\u7528\u4e8e\u5b58\u50a8\u641c\u7d22\u7ed3\u679c\u53ca\u76f8\u5173\u6570\u636e\u3002\u5728\u4f20\u7edf\u7684\u641c\u7d22\u5f15\u64ce\u4e2d\uff0c\u641c\u7d22\u7ed3\u679c\u7684\u8ba1\u7b97\u662f\u5728\u540e\u53f0\u670d\u52a1\u5668\u8fdb\u884c\u7684\uff0c\u8fd9\u4e0d\u4ec5\u4f1a\u589e\u52a0\u670d\u52a1\u5668\u7684\u8ba1\u7b97\u8d1f\u62c5\uff0c\u8fd8\u4f1a\u964d\u4f4e\u641c\u7d22\u901f\u5ea6\u3002\u800c\u4f7f\u7528Redis\u5b58\u50a8\u641c\u7d22\u7ed3\u679c\uff0c\u5219\u53ef\u4ee5\u5c06\u8ba1\u7b97\u7ed3\u679c\u5b58\u50a8\u5728Redis\u4e2d\uff0c\u51cf\u8f7b\u670d\u52a1\u5668\u7684\u8ba1\u7b97\u8d1f\u62c5\uff0c\u52a0\u5feb\u641c\u7d22\u901f\u5ea6\u3002<\/p>\n

\u9664\u4e86\u5b58\u50a8\u641c\u7d22\u7ed3\u679c\u5916\uff0cRedis\u8fd8\u53ef\u7528\u4e8e\u5b58\u50a8\u641c\u7d22\u5f15\u64ce\u4e2d\u7684\u5173\u952e\u8bcd\u3001\u6743\u91cd\u3001\u6587\u6863\u6570\u91cf\u548c\u76f8\u5173\u6570\u636e\u7b49\u4fe1\u606f\u3002\u901a\u8fc7\u4f7f\u7528Redis\u5bf9\u8fd9\u4e9b\u4fe1\u606f\u8fdb\u884c\u5b58\u50a8\u548c\u67e5\u8be2\uff0c\u53ef\u4ee5\u5e2e\u52a9\u641c\u7d22\u5f15\u64ce\u66f4\u5feb\u5730\u83b7\u53d6\u53ca\u5904\u7406\u76f8\u5173\u6570\u636e\uff0c\u63d0\u9ad8\u641c\u7d22\u6548\u7387\u548c\u641c\u7d22\u8d28\u91cf\u3002\u4e0b\u9762\u5c06\u7ed9\u51fa\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\uff0c\u5c55\u793aRedis\u5728\u641c\u7d22\u5f15\u64ce\u4e2d\u7684\u5e94\u7528\u3002<\/p>\n

2\u3001\u5177\u4f53\u4ee3\u7801\u793a\u4f8b<\/p>\n

\u4e3a\u4e86\u66f4\u597d\u5730\u5c55\u793aRedis\u5728\u641c\u7d22\u5f15\u64ce\u4e2d\u7684\u5e94\u7528\uff0c\u6211\u5c06\u4ee5Python\u8bed\u8a00\u4e3a\u4f8b\uff0c\u4ecb\u7ecdRedis\u5982\u4f55\u5b58\u50a8\u548c\u67e5\u8be2\u641c\u7d22\u7ed3\u679c\u3001\u5173\u952e\u8bcd\u3001\u6743\u91cd\u7b49\u4fe1\u606f\uff0c\u5e76\u7ed9\u51fa\u76f8\u5e94\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

\uff081\uff09\u5b58\u50a8\u641c\u7d22\u7ed3\u679c<\/p>\n

\u5728\u641c\u7d22\u5f15\u64ce\u4e2d\uff0c\u6211\u4eec\u9700\u8981\u5c06\u641c\u7d22\u7ed3\u679c\u548c\u76f8\u5173\u6570\u636e\u5b58\u50a8\u5728Redis\u4e2d\u3002\u4e3a\u4e86\u5b9e\u73b0\u8fd9\u4e2a\u529f\u80fd\uff0c\u6211\u4eec\u9700\u8981\u4f7f\u7528Redis\u7684\u6709\u5e8f\u96c6\u5408\uff08sorted set\uff09\u529f\u80fd\u3002\u5728\u6709\u5e8f\u96c6\u5408\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u5b58\u50a8\u641c\u7d22\u7ed3\u679c\u7684\u5206\u6570\uff08score\uff09\u548c\u6210\u5458\uff08member\uff09\u4fe1\u606f\u3002\u5176\u4e2d\uff0c\u5206\u6570\u53ef\u4ee5\u8868\u793a\u641c\u7d22\u7ed3\u679c\u7684\u6743\u91cd\uff0c\u6210\u5458\u53ef\u4ee5\u8868\u793a\u641c\u7d22\u7ed3\u679c\u7684ID\u6216\u5176\u4ed6\u76f8\u5173\u4fe1\u606f\u3002<\/p>\n

\u4e0b\u9762\u662f\u4e00\u4e2a\u5b58\u50a8\u641c\u7d22\u7ed3\u679c\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n

import redis\n\n# \u8fde\u63a5Redis\u670d\u52a1\u5668\nr = redis.Redis(host='localhost', port=6379)\n\n# \u5b58\u50a8\u641c\u7d22\u7ed3\u679c\nr.zadd('searchResults', {'searchResultID1': 10, 'searchResultID2': 8, 'searchResultID3': 5})<\/pre>\n
\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u8fde\u63a5Redis\u670d\u52a1\u5668\uff0c\u7136\u540e\u4f7f\u7528zadd\u547d\u4ee4\u5411\u6709\u5e8f\u96c6\u5408\u201csearchResults\u201d\u4e2d\u5b58\u50a8\u4e09\u4e2a\u641c\u7d22\u7ed3\u679c\u3002\u5176\u4e2d\uff0c\u5206\u6570\u5206\u522b\u4e3a10\u30018\u548c5\uff0c\u8868\u793a\u641c\u7d22\u7ed3\u679c\u7684\u6743\u91cd\u3002\u6210\u5458\u5206\u522b\u4e3a\u201csearchResultID1\u201d\u3001\u201csearchResultID2\u201d\u548c\u201csearchResultID3\u201d\uff0c\u53ef\u4ee5\u6839\u636e\u8fd9\u4e9bID\u83b7\u53d6\u641c\u7d22\u7ed3\u679c\u7684\u5176\u4ed6\u4fe1\u606f\uff0c\u6bd4\u5982\u6807\u9898\u3001URL\u7b49\u3002<\/p>\n
\uff082\uff09\u67e5\u8be2\u641c\u7d22\u7ed3\u679c<\/p>\n
\u5728\u83b7\u53d6\u641c\u7d22\u7ed3\u679c\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Redis\u7684\u6709\u5e8f\u96c6\u5408\u529f\u80fd\u6839\u636e\u5206\u6570\uff08\u6743\u91cd\uff09\u8fdb\u884c\u5012\u5e8f\u6392\u5217\uff0c\u83b7\u53d6\u5206\u6570\u6700\u9ad8\u7684\u641c\u7d22\u7ed3\u679c\u3002\u5177\u4f53\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n
# \u6839\u636e\u5206\u6570\u5012\u5e8f\u83b7\u53d6\u641c\u7d22\u7ed3\u679c\nsearchResults = r.zrevrange('searchResults', 0, 9)\n\n# \u8f93\u51fa\u641c\u7d22\u7ed3\u679c\nfor i, resultID in enumerate(searchResults):\n    resultInfo = r.hgetall(resultID)\n    print('\u641c\u7d22\u7ed3\u679c', i+1, ':', resultInfo['title'], resultInfo['url'])<\/pre>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528zrevrange\u547d\u4ee4\u83b7\u53d6\u5206\u6570\u6700\u9ad8\u7684\u524d10\u4e2a\u641c\u7d22\u7ed3\u679c\uff0c\u7136\u540e\u6839\u636e\u641c\u7d22\u7ed3\u679c\u7684ID\u83b7\u53d6\u5176\u4ed6\u76f8\u5173\u4fe1\u606f\uff0c\u5e76\u8f93\u51fa\u641c\u7d22\u7ed3\u679c\u7684\u6807\u9898\u548cURL\u7b49\u4fe1\u606f\u3002<\/p>\n
\uff083\uff09\u5b58\u50a8\u5173\u952e\u8bcd\u548c\u6743\u91cd<\/p>\n
\u5728\u641c\u7d22\u5f15\u64ce\u4e2d\uff0c\u5173\u952e\u8bcd\u548c\u6743\u91cd\u4e5f\u662f\u91cd\u8981\u7684\u4fe1\u606f\u3002\u901a\u8fc7\u4f7f\u7528Redis\u7684\u54c8\u5e0c\u8868\uff08hash\uff09\u529f\u80fd\uff0c\u6211\u4eec\u53ef\u4ee5\u5b58\u50a8\u5173\u952e\u8bcd\u548c\u5bf9\u5e94\u7684\u6743\u91cd\uff0c\u5e76\u5728\u9700\u8981\u65f6\u5feb\u901f\u5730\u83b7\u53d6\u548c\u5904\u7406\u76f8\u5173\u6570\u636e\u3002<\/p>\n
\u4e0b\u9762\u662f\u4e00\u4e2a\u5b58\u50a8\u5173\u952e\u8bcd\u548c\u6743\u91cd\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
# \u5b58\u50a8\u5173\u952e\u8bcd\u53ca\u5176\u6743\u91cd\nr.hset('keywords', 'keyword1', 10)\nr.hset('keywords', 'keyword2', 8)\nr.hset('keywords', 'keyword3', 5)<\/pre>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528hset\u547d\u4ee4\u5411\u54c8\u5e0c\u8868\u201ckeywords\u201d\u4e2d\u5b58\u50a8\u4e86\u4e09\u4e2a\u5173\u952e\u8bcd\u53ca\u5176\u6743\u91cd\u3002\u5176\u4e2d\uff0c\u5173\u952e\u8bcd\u5206\u522b\u4e3a\u201ckeyword1\u201d\u3001\u201ckeyword2\u201d\u548c\u201ckeyword3\u201d\uff0c\u6743\u91cd\u5206\u522b\u4e3a10\u30018\u548c5\uff0c\u53ef\u4ee5\u6839\u636e\u8fd9\u4e9b\u4fe1\u606f\u8ba1\u7b97\u641c\u7d22\u7ed3\u679c\u7684\u6743\u91cd\u3002<\/p>\n
\uff084\uff09\u67e5\u8be2\u5173\u952e\u8bcd\u548c\u6743\u91cd<\/p>\n
\u5728\u8fdb\u884c\u641c\u7d22\u65f6\uff0c\u6211\u4eec\u9700\u8981\u6839\u636e\u641c\u7d22\u5173\u952e\u8bcd\u548c\u76f8\u5173\u7684\u6743\u91cd\u8ba1\u7b97\u641c\u7d22\u7ed3\u679c\u7684\u6743\u91cd\u3002\u901a\u8fc7Redis\u7684\u54c8\u5e0c\u8868\u529f\u80fd\uff0c\u6211\u4eec\u53ef\u4ee5\u5feb\u901f\u5730\u83b7\u53d6\u5173\u952e\u8bcd\u548c\u5bf9\u5e94\u7684\u6743\u91cd\uff0c\u5e76\u8fdb\u884c\u8ba1\u7b97\u3002\u5177\u4f53\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n
# \u83b7\u53d6\u5173\u952e\u8bcd\u53ca\u5176\u6743\u91cd\nkeywords = r.hgetall('keywords')\n\n# \u8ba1\u7b97\u641c\u7d22\u7ed3\u679c\u7684\u6743\u91cd\nsearchResultScores = []\nfor keyword, weight in keywords.items():\n    results = r.smembers('searchResults_' + keyword)\n    for resultID in results:\n        score = r.zscore('searchResults', resultID)\n        searchResultScores.append(score * weight)\n\n# \u5bf9\u641c\u7d22\u7ed3\u679c\u8fdb\u884c\u6392\u5e8f\u5e76\u8f93\u51fa\nsearchResultIDs = r.zrevrange('searchResults', 0, 9, withscores=True)\nfor i, resultID in enumerate(searchResultIDs):\n    print('\u641c\u7d22\u7ed3\u679c', i+1, ':', resultID[0], resultID[1])<\/pre>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u4f7f\u7528hgetall\u547d\u4ee4\u83b7\u53d6\u5173\u952e\u8bcd\u53ca\u5176\u6743\u91cd\uff0c\u7136\u540e\u904d\u5386\u5173\u952e\u8bcd\u5e76\u6839\u636e\u5173\u952e\u8bcd\u83b7\u53d6\u5bf9\u5e94\u7684\u641c\u7d22\u7ed3\u679cID\uff0c\u5e76\u6839\u636e\u641c\u7d22\u7ed3\u679c\u548c\u5173\u952e\u8bcd\u7684\u6743\u91cd\u8ba1\u7b97\u641c\u7d22\u7ed3\u679c\u7684\u6743\u91cd\u3002\u6700\u540e\uff0c\u6211\u4eec\u4f7f\u7528zrevrange\u547d\u4ee4\u5bf9\u641c\u7d22\u7ed3\u679c\u8fdb\u884c\u5012\u5e8f\u6392\u5e8f\uff0c\u5e76\u8f93\u51fa\u641c\u7d22\u7ed3\u679c\u7684\u4fe1\u606f\u3002<\/p>\n
3\u3001\u603b\u7ed3<\/p>\n
\u672c\u6587\u4ecb\u7ecd\u4e86Redis\u5728\u641c\u7d22\u5f15\u64ce \u4e2d\u7684\u5e94\u7528\uff0c\u5e76\u7ed9\u51fa\u4e86\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\uff0c\u5c55\u793aRedis\u5982\u4f55\u5b58\u50a8\u548c\u67e5\u8be2\u641c\u7d22\u7ed3\u679c\u3001\u5173\u952e\u8bcd\u3001\u6743\u91cd\u7b49\u4fe1\u606f\u3002\u4f5c\u4e3a\u4e00\u6b3e\u9ad8\u6027\u80fd\u3001\u5f00\u6e90\u7684\u7f13\u5b58\u7cfb\u7edf\uff0cRedis\u5728\u641c\u7d22\u5f15\u64ce\u7684\u6784\u5efa\u4e2d\u53d1\u6325\u4e86\u91cd\u8981\u7684\u4f5c\u7528\uff0c\u52a0\u901f\u4e86\u641c\u7d22\u7ed3\u679c\u7684\u8ba1\u7b97\u548c\u83b7\u53d6\uff0c\u63d0\u9ad8\u4e86\u641c\u7d22\u5f15\u64ce\u7684\u6027\u80fd\u548c\u6548\u7387\u3002<\/p>\n
\n
\n <\/dt>\n
\n   Redis\u5728\u5b9e\u65f6\u7ade\u4ef7\u5e7f\u544a\u7cfb\u7edf\u4e2d\u7684\u5e94\u7528\n <\/dd>\n<\/dl>\n
\n
\n <\/dt>\n
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