{"id":34647,"date":"2023-10-27T10:51:38","date_gmt":"2024-01-15T10:05:11","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%b0%86rails%e5%ba%94%e7%94%a8%e7%a8%8b%e5%ba%8f%e4%b8%ad%e4%b8%8d%e6%98%8e%e6%97%b6%e9%97%b4%e5%87%8f%e5%b0%91%ef%bc%8c%e5%b9%b6%e5%b0%86%e9%80%9f%e5%ba%a6%e6%8f%90%e5%8d%87%e4%ba%8610%e5%80%8d\/"},"modified":"2024-05-04T06:14:00","modified_gmt":"2024-05-03T22:14:00","slug":"%e5%b0%86rails%e5%ba%94%e7%94%a8%e7%a8%8b%e5%ba%8f%e4%b8%ad%e4%b8%8d%e6%98%8e%e6%97%b6%e9%97%b4%e5%87%8f%e5%b0%91%ef%bc%8c%e5%b9%b6%e5%b0%86%e9%80%9f%e5%ba%a6%e6%8f%90%e5%8d%87%e4%ba%8610%e5%80%8d","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%b0%86rails%e5%ba%94%e7%94%a8%e7%a8%8b%e5%ba%8f%e4%b8%ad%e4%b8%8d%e6%98%8e%e6%97%b6%e9%97%b4%e5%87%8f%e5%b0%91%ef%bc%8c%e5%b9%b6%e5%b0%86%e9%80%9f%e5%ba%a6%e6%8f%90%e5%8d%87%e4%ba%8610%e5%80%8d\/","title":{"rendered":"\u5c06Rails\u5e94\u7528\u7a0b\u5e8f\u4e2d\u4e0d\u660e\u65f6\u95f4\u51cf\u5c11\uff0c\u5e76\u5c06\u901f\u5ea6\u63d0\u5347\u4e8610\u500d\u7684\u6545\u4e8b"},"content":{"rendered":"

\u4f60\u597d\u3002\u6211\u662f@srockstyle\u3002<\/p>\n

Ruby On Rails\u771f\u662f\u65b9\u4fbf\u554a\u3002\u4f5c\u4e3a\u4e00\u4e2a\u6846\u67b6\uff0c\u4e00\u76f4\u4ee5\u6765\u90fd\u6709\u5f88\u591a\u201c\u50cfRails\u4e00\u6837\u65b9\u4fbf\uff01\u201d\u7684\u6846\u67b6\u4e0d\u65ad\u6d8c\u73b0\u3002<\/p>\n

\u8fd9\u6b21\u662f\u5173\u4e8e\u5982\u4f55\u63d0\u5347\u4f7f\u7528Rails\u5f00\u53d1\u7684\u5e94\u7528\u7a0b\u5e8f\u901f\u5ea6\u7684\u6545\u4e8b\u3002\u5c3d\u7ba1\u5982\u6b64\uff0c\u7531\u4e8e\u8fd9\u662f\u5728\u5927\u7ea62015\u5e74\u8fdb\u884c\u7684\u5de5\u4f5c\uff0c\u6240\u4ee5\u5728\u73b0\u4ee3\u73af\u5883\u4e2d\u53ef\u80fd\u4e0d\u9002\u7528\u3002<\/p>\n

\u8fd9\u7bc7\u6587\u7ae0\u7684\u7ed3\u8bba\u6700\u7ec8\u662f\u201c\u73b0\u91d1\u597d\u201d\u3002\u5173\u4e8e\u6700\u8fd1\u7684\u73b0\u91d1\u8d8b\u52bf\u8bdd\u9898\uff0c\u6211\u4f1a\u53e6\u5916\u5199\u4e00\u7bc7\u3002<\/p>\n

\u4e8b\u60c5\u7684\u8d77\u6e90 (sh\u00ec de q\u01d0<\/h2>\n

\u90a3\u65f6\u7684\u6211\u72ec\u81ea\u4e00\u4eba\u7f16\u5199\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n

\u5728\u4f5c\u4e1a\u63a5\u8fd1\u5c3e\u58f0\uff0c\u89e3\u51b3\u4e86\u51e0\u4e4e\u6240\u6709\u7684\u9519\u8bef\u4e4b\u540e\uff0c\u6211\u6ce8\u610f\u5230\u4e86\u4e00\u4e2a\u7279\u5b9a\u7684\u73b0\u8c61\u3002<\/p>\n

\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8<\/div>\n

\u987a\u4fbf\u8bf4\u4e00\u4e0b\uff0c\u8fd9\u662f\u4e00\u4e2a\u8fdc\u7a0b\u670d\u52a1\u5668\u3002\u6570\u636e\u5e93\u8fde\u63a5\u90e8\u5206\u4f7f\u7528\u4e86\u7f13\u5b58\uff0c\u6240\u4ee5\u901f\u5ea6\u8fd8\u53ef\u4ee5\uff0c\u4e91\u7aef\u4e5f\u8fdb\u884c\u4e86\u4e00\u4e9b\u8bbe\u7f6e\uff0c\u4e00\u5207\u90fd\u8fd8\u4e0d\u9519\uff0c\u4f46\u662f\u8fd8\u662f\u6709\u70b9\u6162\u3002\u89c6\u56fe\u662f9\u6beb\u79d2\uff0c\u6d3b\u52a8\u8bb0\u5f55\u662f17\u6beb\u79d2\uff0c\u4f46\u6574\u4f53\u82b1\u8d39\u4e861570\u6beb\u79d2\u3002
\n\u5728Chrome\u4e0a\u6d4b\u91cf\u7ed3\u679c\u663e\u793a\u5168\u90e8\u5185\u5bb9\u52a0\u8f7d\u9700\u89812.23\u79d2\u3002<\/p>\n

\u5176\u4ed6\u7f51\u7ad9\u3002<\/h3>\n

\u6211\u53ea\u662f\u96a8\u610f\u6311\u9078\u4e86\u4e00\u4e9b\u770b\u8d77\u4f86\u5f88\u91cd\u7684\u7db2\u7ad9\uff0c\u767c\u73fe\u67d0\u500b\u5927\u578b\u96fb\u5b50\u5546\u52d9\u7db2\u7ad9\u7684\u97ff\u61c9\u6642\u9593\u70ba160\u6beb\u79d2\uff0c\u67d0\u500b\u5927\u578b\u96fb\u5b50\u5546\u52d9\u8cfc\u7269\u4e2d\u5fc3\u7684\u97ff\u61c9\u6642\u9593\u70ba88\u6beb\u79d2\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0c\u6211\u624b\u6a5f\u4e0a\u7684\u61c9\u7528\u7a0b\u5e8f\u5168\u90e8\u8fd4\u56de\u7684\u6642\u9593\u537b\u9700\u89812\u79d2\u3002\u592a\u6162\u4e86\u3002<\/p>\n

\u63a2\u7d221500\u6beb\u79d2\u7684\u795e\u79d8\u672c\u8d28<\/h2>\n

\u9996\u5148\uff0c\u6211\u6000\u7591\u670d\u52a1\u5668\u7684\u4e2d\u95f4\u4ef6\u3002\u914d\u7f6e\u662fnginx + Passenger V5\uff08\u5f53\u65f6V5\u662f\u6700\u65b0\u7684\uff01\uff09<\/p>\n

\u7531\u4e8e\u8bbe\u7f6e\u6ca1\u6709\u95ee\u9898\uff0c\u6240\u4ee5\u6211\u73b0\u5728\u67e5\u770b\u4e86\u4e00\u4e0b\u5e94\u8be5\u79ef\u7d2f\u4e86\u7f13\u5b58\u7684memcache\u3002<\/p>\n

<35 GET ********(\u4f0f\u305b\u3066\u307e\u3059)\r\n<35 Read binary protocol data:\r\n>35 Writing bin response:\r\n<\/code><\/pre>\n
\u8fd9\u6761\u65e5\u5fd7\u8868\u660e\u7f13\u5b58\u672a\u751f\u6548\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u539f\u672c\u5e94\u8be5\u88ab\u7f13\u5b58\u7684\u5730\u65b9\u672a\u88ab\u6b63\u786e\u7f13\u5b58\u3002<\/p>\n
Active Record 0.0ms\u4e4b\u8def<\/h2>\n
\u7531\u4e8e\u6211\u4ece\u672a\u53d1\u51fa\u5199\u5165\u67e5\u8be2\uff0c\u6240\u4ee5\u6211\u8bd5\u56fe\u5c06\u8bfb\u53d6\u67e5\u8be2\u8bbe\u7f6e\u4e3a\u96f6\u3002\u7531\u4e8e\u8d22\u52a1\u539f\u56e0\uff0c\u8be5\u5e94\u7528\u7a0b\u5e8f\u65e0\u6cd5\u521b\u5efa\u526f\u672c\u3002\u73b0\u5728\u770b\u6765\uff0c\u8fd9\u4e5f\u662f\u4e2a\u539f\u56e0\u3002\u5c06\u5199\u5165\u7528\u6570\u636e\u5e93\u548c\u8bfb\u53d6\u7528\u6570\u636e\u5e93\u5206\u5f00\u662f\u57fa\u672c\u7684\u505a\u6cd5\u3002<\/p>\n
\u7531\u65bc\u91d1\u9322\u554f\u984c\u7121\u6cd5\u89e3\u6c7a\uff0c\u6211\u5148\u8a66\u8457\u89e3\u6c7a\u95b1\u8b80\u7684\u554f\u984c\u5427\u3002\u9019\u662f\u4e00\u500b\u5fb9\u5e95\u7684\u7701\u9322\u65b9\u6cd5\u3002<\/p>\n
\u7f13\u5b58\u5b58\u50a8\u91c7\u7528\u4e86memcached\u52a0Dalli\u3002\u90a3\u65f6\u8fd9\u662f\u4e00\u79cd\u6d41\u884c\u8d8b\u52bf\u3002<\/p>\n
    Dalli \/ github<\/ul>\n
    \u5728\u7f16\u5199Active Record\u65f6\uff0c\u5c06\u4fee\u6b63\u5904\u7406\u6b65\u9aa4\u3002<\/p>\n
    Rails<\/span>.<\/span>cache<\/span>.<\/span>fetch<\/span>(<\/span>\"key\"<\/span>){<\/span>\r\n    Model<\/span>.<\/span>where<\/span>(<\/span>flg: <\/span>true<\/span>).<\/span>order<\/span>(<\/span>\"created_at DESC\"<\/span>)<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
    \u8fd9\u662f\u4e2a\u9519\u8bef\u7684\u4f8b\u5b50\u3002<\/p>\n
    \u8fd9\u662f\u4e00\u4e2a\u5c06ActiveRecord\u5728\u6267\u884cSQL\u4e4b\u524d\u63d2\u5165\u5185\u5bb9\u7684\u884c\u4e3a\u3002<\/p>\n
    \u4e8e\u662f\u6211\u8fd9\u6837\u505a\u4e86\u3002<\/p>\n
    ret<\/span> =<\/span> Rails<\/span>.<\/span>cache<\/span>.<\/span>read<\/span>(<\/span>key<\/span>)<\/span>\r\nif<\/span> ret<\/span>.<\/span>nil?<\/span>\r\n    ret<\/span> =<\/span> Model<\/span>.<\/span>where<\/span>(<\/span>flg: <\/span>true<\/span>).<\/span>order<\/span>(<\/span>\"created_at DESC\"<\/span>).<\/span>to_a<\/span>\r\n    Rails<\/span>.<\/span>cache<\/span>.<\/span>write<\/span>(<\/span>key<\/span>,<\/span>ret<\/span>)<\/span>\r\nend<\/span>\r\n<\/code><\/pre>\n
    \u592a\u5197\u957f\u4e86\u3002<\/p>\n
    \u4e00\u822c\u800c\u8a00\uff0c\u5728fetch\u7684AR\u540e\u9762\u6dfb\u52a0to_a\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n
    \u66ab\u6642\uff0c\u901a\u904e\u5c07\u5176\u4fee\u6539\u70ba\u9019\u500b\u65b9\u6cd5\u4f86\u8abf\u7528\u591a\u500bActiveRecord\u5c07\u88ab\u7de9\u5b58\u3002\u539f\u4f86\u5fc5\u9808\u5c07\u5176\u6b63\u78ba\u8f49\u63db\u70ba\u6578\u7d44\u3002<\/p>\n
    \u5bfb\u627e\u3001\u901a\u8fc7\u67e5\u627e<\/h3>\n
    \u867d\u7136\u8fd9\u6837\u8bf4\uff0c\u4f46Rails\u7684ActiveRecord\u4e0d\u6b62\u6709\u4e00\u4e2a\u529f\u80fd\u3002\u8fd8\u6709find\u548cfind_by\u7b49\u3002<\/p>\n
    \u8fd9\u4e9b\u95ee\u9898\u5df2\u7ecf\u5f97\u5230\u4e86\u89e3\u51b3\u3002<\/p>\n
    ret<\/span> =<\/span> Model<\/span>.<\/span>find<\/span>(<\/span>id<\/span>).<\/span>attributes<\/span>.<\/span>symbolize_keys<\/span>\r\n<\/code><\/pre>\n
    \u5c06\u5c5e\u6027\u8bbe\u7f6e\u4e3a\u7b26\u53f7\u4e4b\u540e\uff0c\u60a8\u53ef\u4ee5\u5728\u54c8\u5e0c\u4e2d\u8fdb\u884c\u8bbf\u95ee\u3002\u7531\u4e8eattribute\u65f6\u53ea\u80fd\u901a\u8fc7hash [ “”]\u8bbf\u95ee\uff0c\u6240\u4ee5\u6211\u6709\u610f\u5730\u5c06\u5176\u8f6c\u6362\u4e3a\u7b26\u53f7\u3002<\/p>\n
    \u5982\u679c\u6709\u4eba\u77e5\u9053\u597d\u7684\u65b9\u6cd5\uff0c\u8bf7\u544a\u8bc9\u6211\u2026\u2026<\/p>\n
    \u901a\u8fc7\u7f13\u5b58\u8fd9\u4e2a\u5bf9\u8c61\uff0cfind\u7684\u95ee\u9898\u5c31\u89e3\u51b3\u4e86\u3002<\/p>\n
    \u5173\u7cfb<\/h2>\n
    \u4f7f\u7528Rails\u65f6\uff0c\u4f1a\u6709\u4ee5\u4e0b\u7c7b\u4f3c\u7684\u9700\u6c42\u3002<\/p>\n
    user<\/span> =<\/span> User<\/span>.<\/span>find<\/span>(<\/span>1<\/span>)<\/span>\r\npages<\/span> =<\/span> user<\/span>.<\/span>pages<\/span>\r\n<\/code><\/pre>\n
    \u5982\u679c\u5728\u4e0a\u9762\u8fdb\u884cattributes\u5e76\u7f13\u5b58\uff0c\u90a3\u4e48\u5b83\u53ea\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u54c8\u5e0c\uff0c\u56e0\u6b64\u8fd9\u6ca1\u6709\u610f\u4e49\u5173\u4e8e\u5173\u7cfb\u3002(Translated to Chinese)<\/p>\n
    \u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u4f7f\u7528\u7f13\u5b58\u5e76\u5c06\u5176\u52a0\u8f7d\u5230\u6570\u7ec4\u4e2d\u6765\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n
    ret<\/span> =<\/span> Rails<\/span>.<\/span>cache<\/span>.<\/span>read<\/span>(<\/span>key<\/span>)<\/span>\r\nif<\/span> ret<\/span>.<\/span>nil?<\/span>\r\n    model<\/span> =<\/span> Model<\/span>.<\/span>where<\/span>(<\/span>flg: <\/span>true<\/span>).<\/span>order<\/span>(<\/span>\"created_at DESC\"<\/span>).<\/span>to_a<\/span>\r\n\u3000\u3000<\/span>ret<\/span> =<\/span> model<\/span>.<\/span>pages<\/span>.<\/span>to_a<\/span>\r\n    Rails<\/span>.<\/span>cache<\/span>.<\/span>write<\/span>(<\/span>key<\/span>,<\/span>ret<\/span>)<\/span>\r\nend<\/span>\r\n<\/code><\/pre>\n
    \u8fd9\u91cc\u4e5f\u662f\u7ecf\u8fc7\u72b9\u8c6b\u540e\u51b3\u5b9a\u6210\u8fd9\u4e2a\u5f62\u5f0f\u7684\uff0c\u5982\u679c\u6709\u4ec0\u4e48\u597d\u7684\u65b9\u6cd5\uff0c\u8bf7\u544a\u8bc9\u6211\u3002<\/p>\n
    \u901a\u8fc7\u8fd9\u4e09\u9879\u63aa\u65bd\uff0cActive Record\u73b0\u5728\u53ef\u4ee5\u57280.0\u6beb\u79d2\u5185\u8fd4\u56de\u7ed3\u679c\u3002<\/p>\n
    \u63d0\u9ad8\u89c2\u770b\u7aef\u7684\u6e32\u67d3\u901f\u5ea6<\/h2>\n
    \u90a3\u4e48\u63a5\u4e0b\u6765\u5c31\u662f\u89c6\u56fe\u65b9\u9762\u4e86\u3002\u5728\u89c6\u56fe\u7684\u6e32\u67d3\u4e2d\u5f80\u5f80\u4f1a\u8017\u8d39300\u6beb\u79d2\u4ee5\u4e0a\u7684\u65f6\u95f4\uff0c\u56e0\u6b64\u6211\u5e0c\u671b\u5c3d\u91cf\u907f\u514d\u5728\u8fd9\u65b9\u9762\u4f7f\u7528Rails\u7684\u5ef6\u8fdf\u5904\u7406\u3002<\/p>\n
    \u6211\u5728\u8fd9\u91cc\u4f7f\u7528\u4e86\u7247\u6bb5\u7f13\u5b58\u3002<\/p>\n
    \u5173\u4e8e\u7247\u6bb5\u7f13\u5b58\u7cfb\u7edf\uff0c\u4ee5\u4e0b\u63d0\u4f9b\u4e86\u8be6\u7ec6\u4fe1\u606f\u3002<\/p>\n
      Rails \u306e\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u30ad\u30e3\u30c3\u30b7\u30e5\u3067\u4f7f\u308f\u308c\u308b\u30ad\u30fc\u306b\u3064\u3044\u3066<\/ul>\n
      \u6211\u53c2\u8003\u4e86\u8fd9\u4e2a\u7f51\u7ad9\u8fdb\u884c\u8bbe\u7f6e\u3002\u56e0\u4e3a\u6709\u5f88\u591a\u5730\u65b9\u90fd\u662f\u91cd\u590d\u4f7f\u7528\u4e86\u90e8\u5206\u6a21\u677f\uff0c\u6240\u4ee5\u6211\u5c06\u5b83\u4eec\u5d4c\u5165\u8fdb\u53bb\u4e86\u3002\u4f7f\u7528\u65b9\u6cd5\u662f\u8fd9\u6837\u7684\u3002<\/p>\n
      -<\/span> cache<\/span> obj<\/span> do<\/span>\r\n ## haml\r\n<\/code><\/pre>\n
      haml\u5f88\u597d\uff0c\u56e0\u4e3a\u4e0d\u9700\u8981\u540e\u9762\u7ed1\u5b9a\u3002\u901a\u8fc7\u5c06\u5bf9\u8c61\u653e\u5165obj\u4e2d\u6765\u5728\u5faa\u73af\u4e2d\u66f4\u6539\u952e\u3002<\/p>\n
      \u7ecf\u8fc7\u5168\u9762\u7684\u6267\u884c\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u76f8\u5f53\u5927\u7684\u6539\u5584\u3002<\/p>\n
      \u7ed3\u679c<\/h2>\n
      \"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8<\/div>\n
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