{"id":202195,"date":"2025-05-10T14:39:29","date_gmt":"2025-05-10T06:39:29","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202195\/"},"modified":"2025-05-10T14:39:29","modified_gmt":"2025-05-10T06:39:29","slug":"%e5%a6%82%e4%bd%95%e5%88%a9%e7%94%a8redis%e5%92%8celixir%e5%ae%9e%e7%8e%b0%e5%ae%9e%e6%97%b6%e5%9c%b0%e7%90%86%e4%bd%8d%e7%bd%ae%e8%b7%9f%e8%b8%aa%e5%8a%9f%e8%83%bd","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202195\/","title":{"rendered":"\u5982\u4f55\u5229\u7528Redis\u548cElixir\u5b9e\u73b0\u5b9e\u65f6\u5730\u7406\u4f4d\u7f6e\u8ddf\u8e2a\u529f\u80fd"},"content":{"rendered":"

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

\u5982\u4f55\u5229\u7528Redis\u548cElixir\u5b9e\u73b0\u5b9e\u65f6\u5730\u7406\u4f4d\u7f6e\u8ddf\u8e2a\u529f\u80fd<\/h1>\n

\u6765\u5230golang\u5b66\u4e60\u7f51\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60\u6570\u636e\u5e93\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300a\u5982\u4f55\u5229\u7528Redis\u548cElixir\u5b9e\u73b0\u5b9e\u65f6\u5730\u7406\u4f4d\u7f6e\u8ddf\u8e2a\u529f\u80fd\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n

\u5982\u4f55\u5229\u7528Redis\u548cElixir\u5b9e\u73b0\u5b9e\u65f6\u5730\u7406\u4f4d\u7f6e\u8ddf\u8e2a\u529f\u80fd<\/p>\n

\u5f15\u8a00\uff1a
\u968f\u7740\u4e92\u8054\u7f51\u548c\u79fb\u52a8\u6280\u672f\u7684\u4e0d\u65ad\u53d1\u5c55\uff0c\u5b9e\u65f6\u5730\u7406\u4f4d\u7f6e\u8ddf\u8e2a\u5df2\u7ecf\u6210\u4e3a\u8bb8\u591a\u5e94\u7528\u7a0b\u5e8f\u6240\u9700\u8981\u7684\u91cd\u8981\u529f\u80fd\u4e4b\u4e00\u3002\u65e0\u8bba\u662f\u6253\u8f66\u8f6f\u4ef6\u3001\u5916\u5356\u5e73\u53f0\u8fd8\u662f\u793e\u4ea4\u7f51\u7edc\uff0c\u90fd\u9700\u8981\u5b9e\u65f6\u83b7\u53d6\u7528\u6237\u7684\u5730\u7406\u4f4d\u7f6e\u4fe1\u606f\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u4ecb\u7ecd\u5982\u4f55\u5229\u7528Redis\u548cElixir\u6765\u5b9e\u73b0\u8fd9\u4e00\u529f\u80fd\uff0c\u4ee5\u53ca\u5982\u4f55\u901a\u8fc7\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u6765\u6f14\u793a\u3002<\/p>\n

\u4e00\u3001\u4e3a\u4ec0\u4e48\u9009\u62e9Redis\u548cElixir<\/p>\n

Redis\u662f\u4e00\u6b3e\u5feb\u901f\u3001\u9ad8\u6027\u80fd\u7684\u952e\u503c\u5b58\u50a8\u6570\u636e\u5e93\uff0c\u652f\u6301\u6301\u4e45\u5316\u548c\u590d\u5236\u7b49\u9ad8\u53ef\u7528\u7279\u6027\u3002\u5b83\u7684\u7279\u70b9\u662f\u5185\u5b58\u6570\u636e\u5e93\uff0c\u80fd\u591f\u66f4\u5feb\u5730\u8bfb\u5199\u6570\u636e\uff0c\u975e\u5e38\u9002\u5408\u5b9e\u73b0\u5b9e\u65f6\u5730\u7406\u4f4d\u7f6e\u8ddf\u8e2a\u529f\u80fd\u3002<\/p>\n

Elixir\u662f\u4e00\u79cd\u57fa\u4e8eErlang\u865a\u62df\u673a\u7684\u51fd\u6570\u5f0f\u7f16\u7a0b\u8bed\u8a00\uff0c\u5177\u6709\u9ad8\u53ef\u9760\u6027\u3001\u53ef\u4f38\u7f29\u6027\u548c\u5bb9\u9519\u6027\u3002\u5b83\u7684\u7279\u70b9\u662f\u62e5\u6709\u8f7b\u91cf\u7ea7\u7684\u534f\u7a0b\uff08Actor\uff09\u6a21\u578b\uff0c\u53ef\u4ee5\u5b9e\u73b0\u5e76\u53d1\u5904\u7406\u548c\u6d88\u606f\u4f20\u9012\u7b49\u5f88\u597d\u7684\u7279\u6027\u3002<\/p>\n

\u7531\u4e8eRedis\u548cElixir\u90fd\u5177\u5907\u9ad8\u6027\u80fd\u3001\u9ad8\u53ef\u7528\u7684\u7279\u70b9\uff0c\u53ef\u4ee5\u5f88\u597d\u5730\u6ee1\u8db3\u5b9e\u65f6\u5730\u7406\u4f4d\u7f6e\u8ddf\u8e2a\u529f\u80fd\u7684\u9700\u6c42\uff0c\u56e0\u6b64\u6211\u4eec\u9009\u62e9\u4e86\u5b83\u4eec\u6765\u5b9e\u73b0\u8be5\u529f\u80fd\u3002<\/p>\n

\u4e8c\u3001\u5b9e\u73b0\u6b65\u9aa4<\/p>\n

    \n
  1. \u542f\u52a8Redis\u670d\u52a1
    \u9996\u5148\u9700\u8981\u5b89\u88c5Redis\uff0c\u5e76\u542f\u52a8Redis\u670d\u52a1\u3002\u53ef\u4ee5\u901a\u8fc7\u5b98\u65b9\u7f51\u7ad9\u83b7\u53d6Redis\u7684\u5b89\u88c5\u548c\u914d\u7f6e\u6559\u7a0b\u3002<\/li>\n
  2. \n

    \u521b\u5efaElixir\u9879\u76ee
    \u5728\u547d\u4ee4\u884c\u4e2d\u521b\u5efa\u4e00\u4e2a\u65b0\u7684Elixir\u9879\u76ee\uff0c\u53ef\u4ee5\u4f7f\u7528Mix\u5de5\u5177\u6765\u7b80\u5316\u521b\u5efa\u8fc7\u7a0b\u3002\u6267\u884c\u5982\u4e0b\u547d\u4ee4\uff1a<\/p>\n

    mix new location_tracking<\/pre>\n<\/li>\n
  3. \n
    \u914d\u7f6eRedis\u8fde\u63a5
    \u5728\u751f\u6210\u7684Elixir\u9879\u76ee\u4e2d\uff0c\u627e\u5230config\/config.exs<\/code>\u6587\u4ef6\uff0c\u6dfb\u52a0\u4ee5\u4e0b\u5185\u5bb9\u6765\u914d\u7f6eRedis\u8fde\u63a5\uff1a<\/p>\n
    config :exredis, url: \"redis:\/\/localhost:6379\"<\/pre>\n<\/li>\n
  4. \n
    \u6dfb\u52a0\u4f9d\u8d56\u9879
    \u5728\u9879\u76ee\u7684mix.exs<\/code>\u6587\u4ef6\u4e2d\uff0c\u627e\u5230deps<\/code>\u51fd\u6570\uff0c\u5728\u5176\u4e2d\u6dfb\u52a0Redis\u76f8\u5173\u7684\u4f9d\u8d56\u9879\uff1a<\/p>\n
    {:exredis, \"~> 0.7\"}\n{:redi, \"~> 1.1\"}<\/pre>\n<\/li>\n
  5. \n
    \u7f16\u5199\u4f4d\u7f6e\u8ddf\u8e2a\u670d\u52a1
    \u521b\u5efa\u4e00\u4e2a\u65b0\u7684Elixir\u6a21\u5757\uff0c\u7528\u4e8e\u5b9e\u73b0\u4f4d\u7f6e\u8ddf\u8e2a\u670d\u52a1\u3002\u53ef\u4ee5\u5c06\u8be5\u6a21\u5757\u547d\u540d\u4e3aLocationTracking<\/code>\uff0c\u5e76\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n
    defmodule LocationTracking do\n  require Logger\n  alias Redis, as: R\n\n  def start_link do\n    R.start_link()\n    {:ok, pid} = spawn_link(__MODULE__, :handle_events, [])\n    { :ok, pid }\n  end\n\n  defp handle_events do\n    loop()\n  end\n\n  defp loop do\n    events = R.pubsub_subscribe(\"location_updates_queue\")\n    Enum.each events, fn event ->\n      handle_event(event)\n    end\n    loop()\n  end\n\n  defp handle_event(event) do\n    # \u5728\u6b64\u5904\u5b9e\u73b0\u5730\u7406\u4f4d\u7f6e\u8ddf\u8e2a\u7684\u5177\u4f53\u903b\u8f91\n    # \u53ef\u4ee5\u5c06\u4f4d\u7f6e\u4fe1\u606f\u5b58\u50a8\u5230Redis\u4e2d\uff0c\u6216\u8005\u5c06\u4f4d\u7f6e\u4fe1\u606f\u53d1\u9001\u5230\u5176\u4ed6\u670d\u52a1\n    Logger.info(\"Received event: #{event}\")\n  end\nend\n<\/pre>\n<\/li>\n
  6. \n
    \u542f\u52a8\u4f4d\u7f6e\u8ddf\u8e2a\u670d\u52a1
    \u5728\u9879\u76ee\u7684\u5165\u53e3\u6587\u4ef6\u4e2d\uff08\u901a\u5e38\u662flib\/location_tracking.ex<\/code>\uff09\uff0c\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u7801\u6765\u542f\u52a8\u4f4d\u7f6e\u8ddf\u8e2a\u670d\u52a1\uff1a<\/p>\n
    defmodule LocationTracking do\n  # ...\n\n  def start(_type, _args) do\n    import Supervisor.Spec, warn: false\n\n    children = [\n      worker(LocationTracking, []),\n      # ...\n    ]\n\n    # ...\n\n    Supervisor.start_link(children, strategy: :one_for_one)\n  end\n\n  # ...\nend<\/pre>\n<\/li>\n
  7. \n
    \u53d1\u5e03\u4f4d\u7f6e\u66f4\u65b0\u6d88\u606f
    \u5728\u5176\u4ed6\u5730\u65b9\u7684\u4ee3\u7801\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528Redis\u7684PUBLISH<\/code>\u547d\u4ee4\u6765\u53d1\u5e03\u4f4d\u7f6e\u66f4\u65b0\u6d88\u606f\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u4ee3\u7801\u6765\u5b9e\u73b0\uff1a<\/p>\n
    Redis.publish(\"location_updates_queue\", \"New location update\")<\/pre>\n<\/li>\n<\/ol>\n
    \u4e09\u3001\u603b\u7ed3<\/p>\n
    \u901a\u8fc7Redis\u548cElixir\u7684\u7ec4\u5408\uff0c\u6211\u4eec\u53ef\u4ee5\u5feb\u901f\u3001\u9ad8\u6548\u5730\u5b9e\u73b0\u5b9e\u65f6\u5730\u7406\u4f4d\u7f6e\u8ddf\u8e2a\u529f\u80fd\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u4ecb\u7ecd\u4e86Redis\u7684\u5b89\u88c5\u548c\u914d\u7f6e\u8fc7\u7a0b\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528Elixir\u6765\u521b\u5efa\u4e00\u4e2a\u4f4d\u7f6e\u8ddf\u8e2a\u670d\u52a1\u3002\u901a\u8fc7\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u542f\u52a8\u670d\u52a1\u4ee5\u53ca\u5982\u4f55\u53d1\u5e03\u4f4d\u7f6e\u66f4\u65b0\u6d88\u606f\u3002\u5e0c\u671b\u672c\u6587\u80fd\u591f\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u5e76\u5b9e\u8df5\u8be5\u529f\u80fd\u3002<\/p>\n
    \n
    \n <\/dt>\n
    \n   \u5982\u4f55\u5728MySQL\u4e2d\u4f7f\u7528C#\u7f16\u5199\u81ea\u5b9a\u4e49\u5b58\u50a8\u8fc7\u7a0b\u3001\u89e6\u53d1\u5668\u548c\u51fd\u6570\n <\/dd>\n<\/dl>\n
    \n
    \n <\/dt>\n
    \n   \u5982\u4f55\u4f7f\u7528Redis\u548cLua\u5f00\u53d1\u7b80\u5355\u7684\u8bc4\u5206\u7cfb\u7edf\u529f\u80fd\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
    \u5982\u4f55\u5229\u7528Redis\u548cElixir...<\/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-202195","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202195","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=202195"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202195\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202195"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202195"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202195"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}