{"id":202204,"date":"2025-05-10T10:30:44","date_gmt":"2025-05-10T02:30:44","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202204\/"},"modified":"2025-05-10T10:30:44","modified_gmt":"2025-05-10T02:30:44","slug":"%e5%a6%82%e4%bd%95%e5%88%a9%e7%94%a8redis%e5%92%8cdart%e5%bc%80%e5%8f%91%e5%88%86%e5%b8%83%e5%bc%8f%e6%96%87%e4%bb%b6%e5%ad%98%e5%82%a8%e5%8a%9f%e8%83%bd","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202204\/","title":{"rendered":"\u5982\u4f55\u5229\u7528Redis\u548cDart\u5f00\u53d1\u5206\u5e03\u5f0f\u6587\u4ef6\u5b58\u50a8\u529f\u80fd"},"content":{"rendered":"

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

\u5982\u4f55\u5229\u7528Redis\u548cDart\u5f00\u53d1\u5206\u5e03\u5f0f\u6587\u4ef6\u5b58\u50a8\u529f\u80fd<\/h1>\n

\u672c\u7bc7\u6587\u7ae0\u4e3b\u8981\u662f\u7ed3\u5408\u6211\u4e4b\u524d\u9762\u8bd5\u7684\u5404\u79cd\u7ecf\u5386\u548c\u5b9e\u6218\u5f00\u53d1\u4e2d\u9047\u5230\u7684\u95ee\u9898\u89e3\u51b3\u7ecf\u9a8c\u6574\u7406\u7684\uff0c\u5e0c\u671b\u8fd9\u7bc7\u300a\u5982\u4f55\u5229\u7528Redis\u548cDart\u5f00\u53d1\u5206\u5e03\u5f0f\u6587\u4ef6\u5b58\u50a8\u529f\u80fd\u300b\u5bf9\u4f60\u6709\u5f88\u5927\u5e2e\u52a9\uff01\u6b22\u8fce\u6536\u85cf\uff0c\u5206\u4eab\u7ed9\u66f4\u591a\u7684\u9700\u8981\u7684\u670b\u53cb\u5b66\u4e60~<\/p>\n

\u5982\u4f55\u5229\u7528Redis\u548cDart\u5f00\u53d1\u5206\u5e03\u5f0f\u6587\u4ef6\u5b58\u50a8\u529f\u80fd<\/p>\n

\u5bfc\u8a00\uff1a
\u5206\u5e03\u5f0f\u6587\u4ef6\u5b58\u50a8\u662f\u4e00\u79cd\u89e3\u51b3\u5927\u89c4\u6a21\u6587\u4ef6\u5b58\u50a8\u548c\u8bbf\u95ee\u7684\u65b9\u6848\u3002\u5229\u7528Redis\u548cDart\u5f00\u53d1\u5206\u5e03\u5f0f\u6587\u4ef6\u5b58\u50a8\u529f\u80fd\u53ef\u4ee5\u6709\u6548\u5730\u63d0\u9ad8\u6587\u4ef6\u7684\u53ef\u9760\u6027\u548c\u53ef\u6269\u5c55\u6027\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528 Redis \u548c Dart \u6765\u5b9e\u73b0\u5206\u5e03\u5f0f\u6587\u4ef6\u5b58\u50a8\u529f\u80fd\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

\u4e00\u3001Redis \u7b80\u4ecb
Redis\uff08Remote Dictionary Server\uff09\u662f\u4e00\u79cd\u9ad8\u6027\u80fd\u7684\u5f00\u6e90\u952e\u503c\u5b58\u50a8\u6570\u636e\u5e93\uff0c\u5b83\u652f\u6301\u4e30\u5bcc\u7684\u6570\u636e\u7ed3\u6784\u548c\u529f\u80fd\uff0c\u5e76\u63d0\u4f9b\u4e86\u6301\u4e45\u5316\u3001\u590d\u5236\u548c\u96c6\u7fa4\u529f\u80fd\u3002Redis \u7684\u7279\u70b9\u4e4b\u4e00\u662f\u901f\u5ea6\u975e\u5e38\u5feb\uff0c\u5176\u6027\u80fd\u4f18\u52bf\u4e3b\u8981\u6765\u6e90\u4e8e\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n

    \n
  1. \u5b8c\u5168\u57fa\u4e8e\u5185\u5b58\u7684\u64cd\u4f5c\uff0c\u907f\u514d\u4e86\u78c1\u76d8\u7684 I\/O \u5f00\u9500\u3002<\/li>\n
  2. \u57fa\u4e8e\u5355\u7ebf\u7a0b\u6a21\u578b\uff0c\u907f\u514d\u4e86\u591a\u7ebf\u7a0b\u95f4\u7684\u9501\u7ade\u4e89\u3002<\/li>\n
  3. \u4f7f\u7528\u9ad8\u6548\u7684\u6570\u636e\u7ed3\u6784\u548c\u7b97\u6cd5\uff0c\u5982\u54c8\u5e0c\u8868\u3001\u5b57\u5178\u548c\u8df3\u8868\u3002<\/li>\n<\/ol>\n

    \u4e8c\u3001Dart \u7b80\u4ecb
    Dart \u662f\u4e00\u79cd\u9762\u5411\u5bf9\u8c61\u7684\u3001\u53ef\u7f16\u8bd1\u4e3a\u672c\u673a\u4ee3\u7801\u7684\u7f16\u7a0b\u8bed\u8a00\uff0c\u7531\u8c37\u6b4c\u5f00\u53d1\u3002Dart \u5177\u6709\u4f18\u79c0\u7684\u6027\u80fd\u548c\u5f3a\u5927\u7684\u751f\u6001\u7cfb\u7edf\uff0c\u5e76\u4e14\u53ef\u4ee5\u7528\u4e8e\u5f00\u53d1\u5404\u79cd\u5e94\u7528\u7a0b\u5e8f\uff0c\u5982 Web \u5e94\u7528\u3001\u79fb\u52a8\u5e94\u7528\u548c\u670d\u52a1\u5668\u5e94\u7528\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u4f7f\u7528 Dart \u6765\u5f00\u53d1\u5206\u5e03\u5f0f\u6587\u4ef6\u5b58\u50a8\u7684\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u7aef\u529f\u80fd\u3002<\/p>\n

    \u4e09\u3001Redis \u4e0e Dart \u96c6\u6210
    \u5728\u4f7f\u7528 Dart \u5f00\u53d1\u5206\u5e03\u5f0f\u6587\u4ef6\u5b58\u50a8\u529f\u80fd\u4e4b\u524d\uff0c\u6211\u4eec\u9700\u8981\u786e\u4fdd Dart \u7a0b\u5e8f\u53ef\u4ee5\u4e0e Redis \u8fdb\u884c\u901a\u4fe1\u3002\u53ef\u4ee5\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93 redis<\/code> \u6765\u5b9e\u73b0 Redis \u4e0e Dart \u7684\u96c6\u6210\u3002<\/p>\n

    \u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528 Redis \u5b8c\u6210\u7b80\u5355\u952e\u503c\u5bf9\u64cd\u4f5c\u7684 Dart \u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n

    import 'package:redis\/redis.dart';\n\nvoid main() async {\n  final client = await RedisClient.connect('redis:\/\/localhost:6379');\n  \n  \/\/ \u8bbe\u7f6e\u952e\u503c\u5bf9\n  await client.set('key', 'value');\n  \n  \/\/ \u83b7\u53d6\u952e\u503c\u5bf9\n  final value = await client.get('key');\n\n  print(value);  \/\/ \u8f93\u51fa 'value'\n  \n  await client.close();\n}<\/pre>\n
    \u56db\u3001\u6587\u4ef6\u5206\u7247\u5b58\u50a8
    \u5728\u5b9e\u73b0\u5206\u5e03\u5f0f\u6587\u4ef6\u5b58\u50a8\u529f\u80fd\u65f6\uff0c\u4e00\u4e2a\u5e38\u89c1\u7684\u505a\u6cd5\u662f\u5c06\u6587\u4ef6\u8fdb\u884c\u5206\u7247\u5b58\u50a8\u3002\u5206\u7247\u5b58\u50a8\u53ef\u4ee5\u6709\u6548\u5730\u63d0\u9ad8\u6587\u4ef6\u7684\u53ef\u9760\u6027\u548c\u53ef\u6269\u5c55\u6027\uff0c\u56e0\u4e3a\u6bcf\u4e2a\u5b58\u50a8\u8282\u70b9\u53ea\u8d1f\u8d23\u5b58\u50a8\u6587\u4ef6\u7684\u90e8\u5206\u5185\u5bb9\uff0c\u800c\u4e0d\u662f\u6574\u4e2a\u6587\u4ef6\u3002<\/p>\n
    \u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528 Redis \u5b58\u50a8\u6587\u4ef6\u5206\u7247\u7684 Dart \u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n
    import 'package:redis\/redis.dart';\n\nvoid main() async {\n  final client = await RedisClient.connect('redis:\/\/localhost:6379');\n  \n  \/\/ \u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\n  final fileContent = await readFile('example.jpg');\n  \n  \/\/ \u5206\u7247\u5b58\u50a8\u6587\u4ef6\n  final chunkKeys = await storeFile(client, fileContent);\n  \n  \/\/ \u6839\u636e\u5206\u7247\u952e\u83b7\u53d6\u5206\u7247\u5185\u5bb9\n  final chunks = await getChunks(client, chunkKeys);\n  \n  print(chunks);  \/\/ \u8f93\u51fa\u6587\u4ef6\u7684\u6240\u6709\u5206\u7247\u5185\u5bb9\n  \n  await client.close();\n}\n\nFuture<List<int>> readFile(String filePath) async {\n  \/\/ \u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u5e76\u8fd4\u56de\n}\n\nFuture<List<String>> storeFile(RedisClient client, List<int> fileContent) async {\n  final chunkSize = 1024; \/\/ \u6bcf\u4e2a\u5206\u7247\u7684\u5927\u5c0f\n  final chunkKeys = <String>[]; \/\/ \u5b58\u50a8\u5206\u7247\u952e\u7684\u6570\u7ec4\n  \n  for (var i = 0; i < fileContent.length; i += chunkSize) {\n    final chunkData = fileContent.sublist(i, i + chunkSize);\n    final chunkKey = 'chunk:$i'; \/\/ \u5206\u7247\u952e\u7684\u683c\u5f0f\u4e3a 'chunk:$index'\n    \n    await client.set(chunkKey, chunkData);\n    chunkKeys.add(chunkKey);\n  }\n  \n  return chunkKeys;\n}\n\nFuture<List<List<int>>> getChunks(RedisClient client, List<String> chunkKeys) async {\n  final chunks = <List<int>>[];\n  \n  for (var chunkKey in chunkKeys) {\n    final chunkData = await client.get(chunkKey);\n    chunks.add(chunkData);\n  }\n  \n  return chunks;\n}<\/pre>\n
    \u4e94\u3001\u5206\u5e03\u5f0f\u6587\u4ef6\u5b58\u50a8\u7684\u6269\u5c55
    \u5229\u7528 Redis \u548c Dart\uff0c\u6211\u4eec\u53ef\u4ee5\u8fdb\u4e00\u6b65\u6269\u5c55\u5206\u5e03\u5f0f\u6587\u4ef6\u5b58\u50a8\u7684\u529f\u80fd\u3002\u4f8b\u5982\u53ef\u4ee5\u5b9e\u73b0\u6587\u4ef6\u7684\u4e0a\u4f20\u548c\u4e0b\u8f7d\u3001\u6587\u4ef6\u7684\u7248\u672c\u7ba1\u7406\u548c\u6587\u4ef6\u7684\u8bbf\u95ee\u63a7\u5236\u7b49\u529f\u80fd\u3002\u5177\u4f53\u6269\u5c55\u7684\u65b9\u6cd5\u662f\u5728 Redis \u4e2d\u5b58\u50a8\u6587\u4ef6\u7684\u5143\u6570\u636e\uff0c\u5e76\u4f7f\u7528 Redis \u63d0\u4f9b\u7684\u6570\u636e\u7ed3\u6784\u548c\u529f\u80fd\u6765\u5b9e\u73b0\u76f8\u5e94\u7684\u64cd\u4f5c\u3002<\/p>\n
    \u7ed3\u8bed\uff1a
    \u672c\u6587\u4ecb\u7ecd\u4e86\u5982\u4f55\u5229\u7528 Redis \u548c Dart \u5f00\u53d1\u5206\u5e03\u5f0f\u6587\u4ef6\u5b58\u50a8\u529f\u80fd\uff0c\u5e76\u63d0\u4f9b\u4e86\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002\u5e0c\u671b\u672c\u6587\u80fd\u591f\u5bf9\u5f00\u53d1\u8005\u5728\u5b9e\u73b0\u5206\u5e03\u5f0f\u6587\u4ef6\u5b58\u50a8\u529f\u80fd\u65f6\u63d0\u4f9b\u4e00\u4e9b\u53c2\u8003\uff0c\u540c\u65f6\u4e5f\u5e0c\u671b\u8bfb\u8005\u80fd\u591f\u5bf9 Redis \u548c Dart \u7684\u7279\u6027\u6709\u4e00\u5b9a\u7684\u4e86\u89e3\u3002\u5982\u6709\u4efb\u4f55\u7591\u95ee\u6216\u5efa\u8bae\uff0c\u6b22\u8fce\u7559\u8a00\u8ba8\u8bba\u3002<\/p>\n
    \n
    \n <\/dt>\n
    \n   \u5982\u4f55\u5728MySQL\u4e2d\u4f7f\u7528Python\u7f16\u5199\u81ea\u5b9a\u4e49\u5b58\u50a8\u5f15\u64ce\u3001\u89e6\u53d1\u5668\u548c\u51fd\u6570\n <\/dd>\n<\/dl>\n
    \n
    \n <\/dt>\n
    \n   \u5982\u4f55\u5229\u7528Redis\u548cC++\u5b9e\u73b0\u6d88\u606f\u8ba2\u9605\u529f\u80fd\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
    \u5982\u4f55\u5229\u7528Redis\u548cDart\u5f00\u53d1...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-202204","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202204","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=202204"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202204\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202204"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202204"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202204"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}