{"id":29853,"date":"2024-01-09T09:20:41","date_gmt":"2024-02-06T02:53:37","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e7%b4%a0%e4%ba%ba%e4%bd%bf%e7%94%a8-node-js-%e8%bf%9b%e8%a1%8c%e5%a4%a7%e8%a7%84%e6%a8%a1%e6%95%b0%e6%8d%ae%e7%9a%84%e9%80%90%e6%ad%a5%e5%a4%84%e7%90%86%e3%80%82\/"},"modified":"2025-08-12T16:14:46","modified_gmt":"2025-08-12T08:14:46","slug":"%e7%b4%a0%e4%ba%ba%e4%bd%bf%e7%94%a8-node-js-%e8%bf%9b%e8%a1%8c%e5%a4%a7%e8%a7%84%e6%a8%a1%e6%95%b0%e6%8d%ae%e7%9a%84%e9%80%90%e6%ad%a5%e5%a4%84%e7%90%86%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e7%b4%a0%e4%ba%ba%e4%bd%bf%e7%94%a8-node-js-%e8%bf%9b%e8%a1%8c%e5%a4%a7%e8%a7%84%e6%a8%a1%e6%95%b0%e6%8d%ae%e7%9a%84%e9%80%90%e6%ad%a5%e5%a4%84%e7%90%86%e3%80%82\/","title":{"rendered":"\u7d20\u4eba\u4f7f\u7528 Node.js \u8fdb\u884c\u5927\u89c4\u6a21\u6570\u636e\u7684\u9010\u6b65\u5904\u7406"},"content":{"rendered":"

\u6211\u5f00\u59cb\u89c9\u5f97Node.js\u7684\u56de\u8c03\u5730\u72f1\u5f88\u6709\u8da3\u4e86\u3002<\/p>\n

\u6211\u60f3\u505a\u7684\u4e8b\u60c5\u5c06\u6587\u672c\u6587\u4ef6\u6309\u6362\u884c\u7b26\u5206\u9694\uff0c\u5e76\u63d2\u5165\u5230MongoDB\u4e2d\u3002<\/p>\n

\u5f88\u7b80\u5355\u7684\u3002\u4f7f\u7528 readline \u6765\u8fdb\u884c\u884c\u5206\u5272\u3002<\/p>\n

var<\/span> mongo<\/span> =<\/span> require<\/span>(<\/span>'<\/span>mongodb<\/span>'<\/span>),<\/span>\r\n    fs<\/span> =<\/span> require<\/span>(<\/span>'<\/span>fs<\/span>'<\/span>),<\/span>\r\n    readline<\/span> =<\/span> require<\/span>(<\/span>'<\/span>readline<\/span>'<\/span>);<\/span>\r\n\r\n    rs<\/span> =<\/span> fs<\/span>.<\/span>ReadStream<\/span>(<\/span>'<\/span>test.txt<\/span>'<\/span>);<\/span>\r\n    rl<\/span> =<\/span> readline<\/span>.<\/span>createInterface<\/span>({<\/span>'<\/span>input<\/span>'<\/span>:<\/span> rs<\/span>,<\/span> '<\/span>output<\/span>'<\/span>:<\/span> {}});<\/span>\r\n\r\n    rl<\/span>.<\/span>on<\/span>(<\/span> '<\/span>line<\/span>'<\/span>,<\/span> function<\/span> (<\/span>line<\/span>)<\/span> {<\/span>    \r\n      var<\/span> json<\/span> =<\/span>{};<\/span>\r\n      json<\/span>[<\/span>'<\/span>value<\/span>'<\/span>]<\/span> =<\/span> line<\/span>.<\/span>trim<\/span>();<\/span>\r\n      json<\/span>[<\/span>'<\/span>hoge<\/span>'<\/span>]<\/span> =<\/span> '<\/span>hoge<\/span>'<\/span>;<\/span>\r\n\r\n      mongo<\/span>.<\/span>Db<\/span>.<\/span>connect<\/span>(<\/span> \"<\/span>mongodb:\/\/localhost\/test<\/span>\"<\/span>,<\/span> function<\/span> (<\/span>err<\/span>,<\/span> db<\/span>)<\/span> {<\/span>\r\n        db<\/span>.<\/span>collection<\/span>(<\/span> \"<\/span>table<\/span>\"<\/span>,<\/span> function<\/span>(<\/span>err<\/span>,<\/span> collection<\/span>)<\/span> {<\/span>\r\n          collection<\/span>.<\/span>insert<\/span>(<\/span> json<\/span>,<\/span> {<\/span>safe<\/span>:<\/span>true<\/span>},<\/span> function<\/span>(<\/span>err<\/span>,<\/span> result<\/span>)<\/span> {<\/span>\r\n          console<\/span>.<\/span>log<\/span>(<\/span> \"<\/span>insert:<\/span>\"<\/span> +<\/span> line<\/span>);<\/span>\r\n            db<\/span>.<\/span>close<\/span>();<\/span>\r\n          });<\/span>\r\n      });<\/span>\r\n    });<\/span>\r\n\r\n  });<\/span>\r\n  rl<\/span>.<\/span>resume<\/span>();<\/span>\r\n<\/code><\/pre>\n
\u633a\u5bb9\u6613\u7684\uff0c\u4e0d\u662f\u5417\uff1f
\n\u4f7f\u7528fs\u4ece\u6587\u4ef6\u4e2d\u8bfb\u53d6
\n\u4f7f\u7528readline\u4ece\u6d41\u4e2d\u8f93\u5165
\n\u7531\u4e8e\u6bcf\u884c\u90fd\u4f1a\u8c03\u7528readline::on\u65b9\u6cd5\uff0c\u56e0\u6b64\u5c06\u83b7\u53d6\u7684\u6570\u636e\u8f6c\u6362\u4e3ajson
\n\u8fde\u63a5\u5230MongoDB
\n\u83b7\u53d6\u96c6\u5408
\n\u63d2\u5165\u6570\u636e<\/p>\n
\u76f4\u5230\u6240\u6709\u884c\u90fd\u7ed3\u675f\u4e4b\u524d\uff0c\u91cd\u590d\u6267\u884c\u3002<\/p>\n
\u662f\u7684\uff0c\u975e\u5e38\u987a\u5229\uff01\u53ea\u6709\u5f53\u6570\u636e\u91cf\u8f83\u5c11\u65f6\uff01<\/p>\n
\u5f53\u6570\u636e\u91cf\u5927\u65f6\u4f1a\u53d1\u751f\u9519\u8bef\u3002\u6839\u636e\u65e5\u5fd7\u663e\u793a\uff0c\u5f53\u6d41\u901a\u4e86\u5341\u4e07\u4e2a\u6570\u636e\u65f6\uff0c\u4f3c\u4e4e\u6ca1\u6709\u6267\u884c\u6570\u636e\u5e93\u8fde\u63a5\u5904\u7406\uff0c\u800c\u662f\u4e00\u6b21\u5904\u7406\u4e86\u5341\u4e07\u884c\u8bb0\u5f55\uff0c\u5e76\u5c06\u5176\u6392\u5165\u4efb\u52a1\u961f\u5217\u3002<\/p>\n
\u5f53\u7136\u4f1a\u88ab\u5413\u574f\u554a\uff01\uff01<\/p>\n
\u5982\u679c\u4e0d\u4ee5\u5f02\u6b65\u65b9\u5f0f\u8fdb\u884c\u884c\u8bfb\u53d6\uff0c
\n\u800c\u662f\u9010\u6b65\u5904\u7406\u76f4\u81f3\u5c06\u6570\u636e\u63d2\u5165\u5230\u6570\u636e\u5e93\u4e2d\uff0c
\n\u867d\u7136\u4f1a\u6d88\u8017\u6389 Node \u7684\u4f18\u52bf\uff0c\u4f46\u4ecd\u7136\u53ef\u4ee5\u5b9e\u73b0\u9884\u671f\u7684\u5904\u7406\u3002<\/p>\n
\u9010\u6b65\u5904\u7406\u8be5\u600e\u4e48\u505a\uff1f
\n\u6839\u636e\u8bfb\u53d6\u7ebf\u7d22\u6765\u770b\uff0creadline\u4f3c\u4e4e\u662f\u5f02\u6b65\u56fa\u5b9a\u7684\uff0c\u6240\u4ee5\u6211\u653e\u5f03\u4f7f\u7528\u5b83\uff0c\u800c\u662f\u9009\u62e9\u5c06\u6587\u4ef6\u5168\u90e8\u8bfb\u53d6\u5e76\u6309\u6362\u884c\u7b26\u8fdb\u884c\u62c6\u5206\uff0c\u7136\u540e\u518d\u901a\u8fc7foreach\u5faa\u73af\u904d\u5386\u3002<\/p>\n
var<\/span> mongo<\/span> =<\/span> require<\/span>(<\/span>'<\/span>mongodb<\/span>'<\/span>),<\/span>\r\n    fs<\/span> =<\/span> require<\/span>(<\/span>'<\/span>fs<\/span>'<\/span>);<\/span>\r\n\r\n    fs<\/span>.<\/span>readFileSync<\/span>(<\/span>'<\/span>test.txt<\/span>'<\/span>).<\/span>toString<\/span>().<\/span>split<\/span>(<\/span>'<\/span>\\n<\/span>'<\/span>).<\/span>forEach<\/span>(<\/span>function<\/span> (<\/span>line<\/span>)<\/span> {<\/span>\r\n      var<\/span> json<\/span> =<\/span>{};<\/span>\r\n      json<\/span>[<\/span>'<\/span>value<\/span>'<\/span>]<\/span> =<\/span> line<\/span>.<\/span>trim<\/span>();<\/span>\r\n      json<\/span>[<\/span>'<\/span>hoge<\/span>'<\/span>]<\/span> =<\/span> '<\/span>hoge<\/span>'<\/span>;<\/span>\r\n\r\n      mongo<\/span>.<\/span>Db<\/span>.<\/span>connect<\/span>(<\/span> \"<\/span>mongodb:\/\/localhost\/test<\/span>\"<\/span>,<\/span> function<\/span> (<\/span>err<\/span>,<\/span> db<\/span>)<\/span> {<\/span>\r\n        db<\/span>.<\/span>collection<\/span>(<\/span> \"<\/span>table<\/span>\"<\/span>,<\/span> function<\/span>(<\/span>err<\/span>,<\/span> collection<\/span>)<\/span> {<\/span>\r\n          collection<\/span>.<\/span>insert<\/span>(<\/span> json<\/span>,<\/span> {<\/span>safe<\/span>:<\/span>true<\/span>},<\/span> function<\/span>(<\/span>err<\/span>,<\/span> result<\/span>)<\/span> {<\/span>\r\n          console<\/span>.<\/span>log<\/span>(<\/span> \"<\/span>insert:<\/span>\"<\/span> +<\/span> line<\/span>);<\/span>\r\n            db<\/span>.<\/span>close<\/span>();<\/span>\r\n          });<\/span>\r\n      });<\/span>\r\n    });<\/span>\r\n\r\n  });<\/span>\r\n<\/code><\/pre>\n
\u53ef\u662f\u4e0d\u884c\u554a\uff01\uff01<\/p>\n
\u975e\u5e38\u611f\u8c22\uff0c`readFileSync` \u662f\u540c\u6b65\u8bfb\u53d6\u6587\u4ef6\u7684\uff0c\u4f46\u662f\u4e4b\u540e\u7684 `forEach` \u662f\u5f02\u6b65\u7684\u3002\u6240\u4ee5\u548c\u4e4b\u524d\u4e00\u6837\uff0c\u800c\u4e14\u7531\u4e8e\u6ca1\u6709\u4f7f\u7528\u6d41\u5f0f\u4f20\u8f93\uff0c\u5185\u5b58\u5f00\u9500\u4e5f\u5f88\u5927\uff0c\u662f\u4e0d\u53ef\u53d6\u7684\u3002<\/p>\n
\u5728\u4e2d\u6587\u4e2d\uff0c\u6709\u4e00\u4e2a\u53eb\u505a”async”\u7684\u4e1c\u897f\u3002
\n\u6839\u636e\u540d\u5b57\u6765\u770b\uff0c\u6211\u539f\u4ee5\u4e3a\u8fd9\u662f\u4e00\u4e2a\u5f02\u6b65\u5904\u7406\u7684\u5e93
\n\u4f46\u5b83\u4f3c\u4e4e\u662f\u4e00\u4e2a\u540c\u65f6\u652f\u6301\u5f02\u6b65\u548c\u540c\u6b65\u7684\u5e93\uff01\u592a\u5389\u5bb3\u4e86\uff01
\n\u56e0\u6b64\uff0c\u6211\u4f1a\u4f7f\u7528\u5b83\u7684forEachSeries
\n\u4ece\u540d\u5b57\u4e0a\u770b\uff0c\u975e\u5e38\u5b8c\u7f8e\uff01<\/p>\n
var<\/span> mongo<\/span> =<\/span> require<\/span>(<\/span>'<\/span>mongodb<\/span>'<\/span>),<\/span>\r\n    fs<\/span> =<\/span> require<\/span>(<\/span>'<\/span>fs<\/span>'<\/span>);<\/span>\r\n\r\n  async<\/span>.<\/span>forEachSeries<\/span>(<\/span> fs<\/span>.<\/span>readFileSync<\/span>(<\/span>'<\/span>test.txt<\/span>'<\/span>).<\/span>toString<\/span>().<\/span>split<\/span>(<\/span>'<\/span>\\n<\/span>'<\/span>),<\/span> function<\/span> (<\/span>line<\/span>,<\/span> cb<\/span>)<\/span> {<\/span>\r\n      var<\/span> json<\/span> =<\/span>{};<\/span>\r\n      json<\/span>[<\/span>'<\/span>value<\/span>'<\/span>]<\/span> =<\/span> line<\/span>.<\/span>trim<\/span>();<\/span>\r\n      json<\/span>[<\/span>'<\/span>hoge<\/span>'<\/span>]<\/span> =<\/span> '<\/span>hoge<\/span>'<\/span>;<\/span>\r\n\r\n      mongo<\/span>.<\/span>Db<\/span>.<\/span>connect<\/span>(<\/span> \"<\/span>mongodb:\/\/localhost\/test<\/span>\"<\/span>,<\/span> function<\/span> (<\/span>err<\/span>,<\/span> db<\/span>)<\/span> {<\/span>\r\n        db<\/span>.<\/span>collection<\/span>(<\/span> \"<\/span>table<\/span>\"<\/span>,<\/span> function<\/span>(<\/span>err<\/span>,<\/span> collection<\/span>)<\/span> {<\/span>\r\n          collection<\/span>.<\/span>insert<\/span>(<\/span> json<\/span>,<\/span> {<\/span>safe<\/span>:<\/span>true<\/span>},<\/span> function<\/span>(<\/span>err<\/span>,<\/span> result<\/span>)<\/span> {<\/span>\r\n          console<\/span>.<\/span>log<\/span>(<\/span> \"<\/span>insert:<\/span>\"<\/span> +<\/span> line<\/span>);<\/span>\r\n            db<\/span>.<\/span>close<\/span>();<\/span>\r\n            cb<\/span>();<\/span>\r\n          });<\/span>\r\n      });<\/span>\r\n    });<\/span>\r\n\r\n  });<\/span>\r\n<\/code><\/pre>\n
\u5bf9\u4e8easync::forEachSeries\u51fd\u6570\uff0c\u7531\u4e8e\u5b83\u4f1a\u963b\u585e\u76f4\u5230\u8c03\u7528\u56de\u8c03\u51fd\u6570\u7684\u7b2c\u4e8c\u4e2a\u53c2\u6570\uff08\u5728\u8fd9\u91cc\u662fcb\uff09\uff0c\u56e0\u6b64\u6211\u4eec\u53ef\u4ee5\u5728\u5b8c\u6210\u4e00\u6b21\u63d2\u5165\u5e76\u5173\u95ed\u6570\u636e\u5e93\u540e\u8c03\u7528cb()\uff0c\u4ee5\u5b9e\u73b0\u9010\u6b65\u5904\u7406\uff0c\u907f\u514d\u4efb\u52a1\u79ef\u538b\u3002<\/p>\n
\u867d\u7136\u6301\u4e45\u4e86\u4e00\u6bb5\u65f6\u95f4\uff0c\u4f46\u8fd8\u662f\u4e0d\u884c…<\/p>\n
\u4e3a\u4ec0\u4e48\uff1f\u6211\u7684\u5047\u8bbe\u662f\uff0c\u6267\u884cdb.close()\u5e76\u8c03\u7528cb()\uff0c\u7136\u540e\u8fdb\u884c\u4e0b\u4e00\u4e2a\u6570\u636e\u5904\u7406\uff0c\u4f46\u662fdb.close()\u662f\u5f02\u6b65\u7684\uff1f\u5783\u573e\u6536\u96c6\u5668\uff1f\uff1f\uff1f\uff1f\u867d\u7136\u6211\u4e0d\u592a\u6e05\u695a\u539f\u56e0\uff0c\u4f46\u662f\u5728db.close()\u548c\u8c03\u7528\u56de\u8c03\u4e4b\u95f4\u63d2\u5165\u4e86\u4e00\u4e2a\u7c7b\u4f3c\u4e8e\u7761\u7720\u7684\u64cd\u4f5c\uff0c\u95ee\u9898\u5c31\u89e3\u51b3\u4e86\u3002\uff08\u6211\u8fd8\u60f3\u8fdb\u4e00\u6b65\u8c03\u67e5\u8fd9\u4e2a\u95ee\u9898\uff0c\u5982\u679c\u6709\u4eba\u77e5\u9053\uff0c\u8bf7\u544a\u8bc9\u6211\uff01\uff01\uff09<\/p>\n
\u6700\u7ec8\u6765\u6e90 (zu\u00ec<\/p>\n
var<\/span> mongo<\/span> =<\/span> require<\/span>(<\/span>'<\/span>mongodb<\/span>'<\/span>),<\/span>\r\n    fs<\/span> =<\/span> require<\/span>(<\/span>'<\/span>fs<\/span>'<\/span>);<\/span>\r\n\r\n  function<\/span> sleep<\/span>(<\/span>milliSeconds<\/span>)<\/span> {<\/span>\r\n    var<\/span> startTime<\/span> =<\/span> new<\/span> Date<\/span>().<\/span>getTime<\/span>();<\/span>\r\n    while<\/span> (<\/span>new<\/span> Date<\/span>().<\/span>getTime<\/span>()<\/span> <<\/span> startTime<\/span> +<\/span> milliSeconds<\/span>);<\/span>\r\n  }<\/span>\r\n\r\n  async<\/span>.<\/span>forEachSeries<\/span>(<\/span> fs<\/span>.<\/span>readFileSync<\/span>(<\/span>'<\/span>test.txt<\/span>'<\/span>).<\/span>toString<\/span>().<\/span>split<\/span>(<\/span>'<\/span>\\n<\/span>'<\/span>),<\/span> function<\/span> (<\/span>line<\/span>,<\/span> cb<\/span>)<\/span> {<\/span>\r\n    var<\/span> json<\/span> =<\/span>{};<\/span>\r\n    json<\/span>[<\/span>'<\/span>value<\/span>'<\/span>]<\/span> =<\/span> line<\/span>.<\/span>trim<\/span>();<\/span>\r\n    json<\/span>[<\/span>'<\/span>hoge<\/span>'<\/span>]<\/span> =<\/span> '<\/span>hoge<\/span>'<\/span>;<\/span>\r\n\r\n    mongo<\/span>.<\/span>Db<\/span>.<\/span>connect<\/span>(<\/span> \"<\/span>mongodb:\/\/localhost\/test<\/span>\"<\/span>,<\/span> function<\/span> (<\/span>err<\/span>,<\/span> db<\/span>)<\/span> {<\/span>\r\n      db<\/span>.<\/span>collection<\/span>(<\/span> \"<\/span>table<\/span>\"<\/span>,<\/span> function<\/span>(<\/span>err<\/span>,<\/span> collection<\/span>)<\/span> {<\/span>\r\n        collection<\/span>.<\/span>insert<\/span>(<\/span> json<\/span>,<\/span> {<\/span>safe<\/span>:<\/span>true<\/span>},<\/span> function<\/span>(<\/span>err<\/span>,<\/span> result<\/span>)<\/span> {<\/span>\r\n        console<\/span>.<\/span>log<\/span>(<\/span> \"<\/span>insert:<\/span>\"<\/span> +<\/span> line<\/span>);<\/span>\r\n          db<\/span>.<\/span>close<\/span>();<\/span>\r\n          sleep<\/span>(<\/span>50<\/span>);<\/span>\r\n          cb<\/span>();<\/span>\r\n        });<\/span>\r\n      });<\/span>\r\n    })<\/span>\r\n  });<\/span>\r\n<\/code><\/pre>\n
\u30d5\u30a1\u30a4\u30ca\u30eb\u30a2\u30f3\u30b5\u30fc\uff1f
\nshuhei\u3055\u3093\u306e\u6307\u6458\u3088\u308a\u3001DB\u3078\u306econnect close\u306f\u6bce\u56de\u5fc5\u8981\u306a\u306e\u304b\u3002
\n\u305d\u3046\u3001node\u306e\u5834\u5408\u3001forEach\u306f\u975e\u540c\u671f\u3067\u8d70\u308b\u305f\u3081\u3001\u6bce\u56de\u5225\u306e\u30bb\u30c3\u30b7\u30e7\u30f3\u306a\u306e\u3067
\nconnect\u3068 close\u306f\u5fc5\u8981\u306a\u306e\u3067\u3059\u304c
\n\u6700\u7d42\u5f62\u614b\u306f\u3001forEachSeries\u3092\u4f7f\u3044 \u540c\u671f\u51e6\u7406\u306b\u306a\u3063\u3066\u307e\u3059<\/p>\n
\u8fd9\u610f\u5473\u7740\u53ea\u9700\u8981\u8fde\u63a5\u4e00\u6b21\uff0c\u56e0\u6b64\uff0c\u6211\u7684\u6700\u540e\u7b54\u6848\u662f\uff1a\u6ca1\u6709\u5fc5\u8981\u518d\u8fde\u63a5\u5173\u95ed\u4e00\u6b21\u3002<\/p>\n
\u800c\u4e14\uff0c\u5982\u679c\u5728\u63d2\u5165\u65f6\u53d1\u751f\u9519\u8bef\uff0c\u4f3c\u4e4e\u53ef\u4ee5\u901a\u8fc7\u56de\u8c03\u51fd\u6570\u5c06\u9519\u8bef\u4f20\u9012\u7ed9err\u5e76\u5728\u90a3\u65f6\u4e2d\u65ad\u3002
\n\u592a\u65b9\u4fbf\u4e86\uff01<\/p>\n
\u5728\u4f7f\u7528forEachSeries\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u5176\u7b2c\u4e09\u4e2a\u53c2\u6570\u6765\u5904\u7406\u5faa\u73af\u7ed3\u675f\u65f6\u9700\u8981\u6267\u884c\u7684\u64cd\u4f5c\u3002<\/p>\n
\u592a\u68d2\u4e86\uff01Node.js\u8d8a\u6765\u8d8a\u5b9e\u7528\u4e86\uff01\u975e\u5e38\u611f\u8c22\u5927\u5bb6\uff01<\/p>\n
var<\/span> mongo<\/span> =<\/span> require<\/span>(<\/span>'<\/span>mongodb<\/span>'<\/span>),<\/span>\r\n    fs<\/span> =<\/span> require<\/span>(<\/span>'<\/span>fs<\/span>'<\/span>);<\/span>\r\n\r\n  mongo<\/span>.<\/span>Db<\/span>.<\/span>connect<\/span>(<\/span> \"<\/span>mongodb:\/\/localhost\/test<\/span>\"<\/span>,<\/span> function<\/span> (<\/span>err<\/span>,<\/span> db<\/span>)<\/span> {<\/span>\r\n    db<\/span>.<\/span>collection<\/span>(<\/span> \"<\/span>table<\/span>\"<\/span>,<\/span> function<\/span>(<\/span>err<\/span>,<\/span> collection<\/span>)<\/span> {<\/span>\r\n      async<\/span>.<\/span>forEachSeries<\/span>(<\/span> fs<\/span>.<\/span>readFileSync<\/span>(<\/span>'<\/span>test.txt<\/span>'<\/span>).<\/span>toString<\/span>().<\/span>split<\/span>(<\/span>'<\/span>\\n<\/span>'<\/span>),<\/span> function<\/span> (<\/span>line<\/span>,<\/span> cb<\/span>)<\/span> {<\/span>\r\n      var<\/span> json<\/span> =<\/span>{};<\/span>\r\n      json<\/span>[<\/span>'<\/span>value<\/span>'<\/span>]<\/span> =<\/span> line<\/span>.<\/span>trim<\/span>();<\/span>\r\n      json<\/span>[<\/span>'<\/span>hoge<\/span>'<\/span>]<\/span> =<\/span> '<\/span>hoge<\/span>'<\/span>;<\/span>\r\n\r\n        collection<\/span>.<\/span>insert<\/span>(<\/span> json<\/span>,<\/span> {<\/span>safe<\/span>:<\/span>true<\/span>},<\/span> function<\/span>(<\/span>err<\/span>,<\/span> result<\/span>)<\/span> {<\/span>      \r\n          console<\/span>.<\/span>log<\/span>(<\/span> \"<\/span>insert:<\/span>\"<\/span> +<\/span> line<\/span>);<\/span>\r\n          cb<\/span>(<\/span>err<\/span>);<\/span>\r\n        });<\/span>\r\n      },<\/span> \r\n        function<\/span>(){<\/span>db<\/span>.<\/span>close<\/span>();<\/span>\r\n      });<\/span>\r\n    });<\/span>\r\n  });<\/span>\r\n<\/code><\/pre>\n
\u7761\u89c9\u4e0d\u5fc5\u8981\u4e86\uff0c\u53ea\u8981\u5efa\u7acb\u4e00\u6b21\u8fde\u63a5\u5c31\u53ef\u4ee5\u4e86\u3002\u6e90\u4ee3\u7801\u4e5f\u53d8\u5f97\u7b80\u5355\uff0c\u63d2\u5165\u64cd\u4f5c\u539f\u672c\u9700\u898130\u5206\u949f\u7684\u65f6\u95f4\uff0c\u73b0\u5728\u53ea\u9700\u8981\u5927\u7ea610\u79d2\u5c31\u53ef\u4ee5\u5b8c\u6210\u4e86\u3002<\/p>\n
\u4f46\u613f readline \u6709\u4e00\u4e2a\u540c\u6b65\u65b9\u6cd5\uff08\u53ef\u80fd\u6709\u7684\u8bdd\u6211\u518d\u67e5\u4e00\u4e0b\uff09\u771f\u7684\u975e\u5e38\u611f\u8c22\u4f60\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u6211\u5f00\u59cb\u89c9\u5f97Node.js\u7684\u56de\u8c03\u5730\u72f1\u5f88\u6709\u8da3\u4e86\u3002 \u6211\u60f3\u505a\u7684\u4e8b\u60c5\u5c06\u6587\u672c\u6587\u4ef6\u6309\u6362\u884c\u7b26\u5206\u9694\uff0c\u5e76\u63d2\u5165\u5230MongoDB\u4e2d\u3002  […]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-29853","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"\n\u7d20\u4eba\u4f7f\u7528 Node.js \u8fdb\u884c\u5927\u89c4\u6a21\u6570\u636e\u7684\u9010\u6b65\u5904\u7406 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8e\u7d20\u4eba\u4f7f\u7528 Node.js \u8fdb\u884c\u5927\u89c4\u6a21\u6570\u636e\u7684\u9010\u6b65\u5904\u7406\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u7d20\u4eba\u4f7f\u7528-node-js-\u8fdb\u884c\u5927\u89c4\u6a21\u6570\u636e\u7684\u9010\u6b65\u5904\u7406\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u7d20\u4eba\u4f7f\u7528 Node.js \u8fdb\u884c\u5927\u89c4\u6a21\u6570\u636e\u7684\u9010\u6b65\u5904\u7406\" \/>\n<meta property=\"og:description\" content=\"\u5173\u4e8e\u7d20\u4eba\u4f7f\u7528 Node.js \u8fdb\u884c\u5927\u89c4\u6a21\u6570\u636e\u7684\u9010\u6b65\u5904\u7406\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u7d20\u4eba\u4f7f\u7528-node-js-\u8fdb\u884c\u5927\u89c4\u6a21\u6570\u636e\u7684\u9010\u6b65\u5904\u7406\u3002\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2024-02-06T02:53:37+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-12T08:14:46+00:00\" \/>\n<meta name=\"author\" content=\"\u6587, \u7fd4\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u6587, \u7fd4\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e7%b4%a0%e4%ba%ba%e4%bd%bf%e7%94%a8-node-js-%e8%bf%9b%e8%a1%8c%e5%a4%a7%e8%a7%84%e6%a8%a1%e6%95%b0%e6%8d%ae%e7%9a%84%e9%80%90%e6%ad%a5%e5%a4%84%e7%90%86%e3%80%82\/\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e7%b4%a0%e4%ba%ba%e4%bd%bf%e7%94%a8-node-js-%e8%bf%9b%e8%a1%8c%e5%a4%a7%e8%a7%84%e6%a8%a1%e6%95%b0%e6%8d%ae%e7%9a%84%e9%80%90%e6%ad%a5%e5%a4%84%e7%90%86%e3%80%82\/\",\"name\":\"\u7d20\u4eba\u4f7f\u7528 Node.js \u8fdb\u884c\u5927\u89c4\u6a21\u6570\u636e\u7684\u9010\u6b65\u5904\u7406 - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\"},\"datePublished\":\"2024-02-06T02:53:37+00:00\",\"dateModified\":\"2025-08-12T08:14:46+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/64d5cc7727fffbff2f9a2a8da1de3e5c\"},\"description\":\"\u5173\u4e8e\u7d20\u4eba\u4f7f\u7528 Node.js \u8fdb\u884c\u5927\u89c4\u6a21\u6570\u636e\u7684\u9010\u6b65\u5904\u7406\u7684\u6280\u672f\u6587\u7ae0\",\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e7%b4%a0%e4%ba%ba%e4%bd%bf%e7%94%a8-node-js-%e8%bf%9b%e8%a1%8c%e5%a4%a7%e8%a7%84%e6%a8%a1%e6%95%b0%e6%8d%ae%e7%9a%84%e9%80%90%e6%ad%a5%e5%a4%84%e7%90%86%e3%80%82\/#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/zh\/blog\/%e7%b4%a0%e4%ba%ba%e4%bd%bf%e7%94%a8-node-js-%e8%bf%9b%e8%a1%8c%e5%a4%a7%e8%a7%84%e6%a8%a1%e6%95%b0%e6%8d%ae%e7%9a%84%e9%80%90%e6%ad%a5%e5%a4%84%e7%90%86%e3%80%82\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e7%b4%a0%e4%ba%ba%e4%bd%bf%e7%94%a8-node-js-%e8%bf%9b%e8%a1%8c%e5%a4%a7%e8%a7%84%e6%a8%a1%e6%95%b0%e6%8d%ae%e7%9a%84%e9%80%90%e6%ad%a5%e5%a4%84%e7%90%86%e3%80%82\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.silicloud.com\/zh\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u7d20\u4eba\u4f7f\u7528 Node.js \u8fdb\u884c\u5927\u89c4\u6a21\u6570\u636e\u7684\u9010\u6b65\u5904\u7406\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/\",\"name\":\"Blog - Silicon Cloud\",\"description\":\"\",\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/64d5cc7727fffbff2f9a2a8da1de3e5c\",\"name\":\"\u6587, \u7fd4\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/920c3d673e0bccacc98e5e6b7149bb3c22edd8d39cb753e5d7d7e471498118a1?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/920c3d673e0bccacc98e5e6b7149bb3c22edd8d39cb753e5d7d7e471498118a1?s=96&d=mm&r=g\",\"caption\":\"\u6587, \u7fd4\"},\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/author\/wenxiang\/\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e7%b4%a0%e4%ba%ba%e4%bd%bf%e7%94%a8-node-js-%e8%bf%9b%e8%a1%8c%e5%a4%a7%e8%a7%84%e6%a8%a1%e6%95%b0%e6%8d%ae%e7%9a%84%e9%80%90%e6%ad%a5%e5%a4%84%e7%90%86%e3%80%82\/#local-main-organization-logo\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"Blog - Silicon Cloud\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"\u7d20\u4eba\u4f7f\u7528 Node.js \u8fdb\u884c\u5927\u89c4\u6a21\u6570\u636e\u7684\u9010\u6b65\u5904\u7406 - Blog - Silicon Cloud","description":"\u5173\u4e8e\u7d20\u4eba\u4f7f\u7528 Node.js \u8fdb\u884c\u5927\u89c4\u6a21\u6570\u636e\u7684\u9010\u6b65\u5904\u7406\u7684\u6280\u672f\u6587\u7ae0","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.silicloud.com\/zh\/blog\/\u7d20\u4eba\u4f7f\u7528-node-js-\u8fdb\u884c\u5927\u89c4\u6a21\u6570\u636e\u7684\u9010\u6b65\u5904\u7406\u3002\/","og_locale":"zh_CN","og_type":"article","og_title":"\u7d20\u4eba\u4f7f\u7528 Node.js \u8fdb\u884c\u5927\u89c4\u6a21\u6570\u636e\u7684\u9010\u6b65\u5904\u7406","og_description":"\u5173\u4e8e\u7d20\u4eba\u4f7f\u7528 Node.js \u8fdb\u884c\u5927\u89c4\u6a21\u6570\u636e\u7684\u9010\u6b65\u5904\u7406\u7684\u6280\u672f\u6587\u7ae0","og_url":"https:\/\/www.silicloud.com\/zh\/blog\/\u7d20\u4eba\u4f7f\u7528-node-js-\u8fdb\u884c\u5927\u89c4\u6a21\u6570\u636e\u7684\u9010\u6b65\u5904\u7406\u3002\/","og_site_name":"Blog - Silicon Cloud","article_published_time":"2024-02-06T02:53:37+00:00","article_modified_time":"2025-08-12T08:14:46+00:00","author":"\u6587, \u7fd4","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"\u6587, \u7fd4","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"1 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/zh\/blog\/%e7%b4%a0%e4%ba%ba%e4%bd%bf%e7%94%a8-node-js-%e8%bf%9b%e8%a1%8c%e5%a4%a7%e8%a7%84%e6%a8%a1%e6%95%b0%e6%8d%ae%e7%9a%84%e9%80%90%e6%ad%a5%e5%a4%84%e7%90%86%e3%80%82\/","url":"https:\/\/www.silicloud.com\/zh\/blog\/%e7%b4%a0%e4%ba%ba%e4%bd%bf%e7%94%a8-node-js-%e8%bf%9b%e8%a1%8c%e5%a4%a7%e8%a7%84%e6%a8%a1%e6%95%b0%e6%8d%ae%e7%9a%84%e9%80%90%e6%ad%a5%e5%a4%84%e7%90%86%e3%80%82\/","name":"\u7d20\u4eba\u4f7f\u7528 Node.js \u8fdb\u884c\u5927\u89c4\u6a21\u6570\u636e\u7684\u9010\u6b65\u5904\u7406 - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website"},"datePublished":"2024-02-06T02:53:37+00:00","dateModified":"2025-08-12T08:14:46+00:00","author":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/64d5cc7727fffbff2f9a2a8da1de3e5c"},"description":"\u5173\u4e8e\u7d20\u4eba\u4f7f\u7528 Node.js \u8fdb\u884c\u5927\u89c4\u6a21\u6570\u636e\u7684\u9010\u6b65\u5904\u7406\u7684\u6280\u672f\u6587\u7ae0","breadcrumb":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/%e7%b4%a0%e4%ba%ba%e4%bd%bf%e7%94%a8-node-js-%e8%bf%9b%e8%a1%8c%e5%a4%a7%e8%a7%84%e6%a8%a1%e6%95%b0%e6%8d%ae%e7%9a%84%e9%80%90%e6%ad%a5%e5%a4%84%e7%90%86%e3%80%82\/#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/zh\/blog\/%e7%b4%a0%e4%ba%ba%e4%bd%bf%e7%94%a8-node-js-%e8%bf%9b%e8%a1%8c%e5%a4%a7%e8%a7%84%e6%a8%a1%e6%95%b0%e6%8d%ae%e7%9a%84%e9%80%90%e6%ad%a5%e5%a4%84%e7%90%86%e3%80%82\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/zh\/blog\/%e7%b4%a0%e4%ba%ba%e4%bd%bf%e7%94%a8-node-js-%e8%bf%9b%e8%a1%8c%e5%a4%a7%e8%a7%84%e6%a8%a1%e6%95%b0%e6%8d%ae%e7%9a%84%e9%80%90%e6%ad%a5%e5%a4%84%e7%90%86%e3%80%82\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.silicloud.com\/zh\/blog\/"},{"@type":"ListItem","position":2,"name":"\u7d20\u4eba\u4f7f\u7528 Node.js \u8fdb\u884c\u5927\u89c4\u6a21\u6570\u636e\u7684\u9010\u6b65\u5904\u7406"}]},{"@type":"WebSite","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website","url":"https:\/\/www.silicloud.com\/zh\/blog\/","name":"Blog - Silicon Cloud","description":"","inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/64d5cc7727fffbff2f9a2a8da1de3e5c","name":"\u6587, \u7fd4","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/920c3d673e0bccacc98e5e6b7149bb3c22edd8d39cb753e5d7d7e471498118a1?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/920c3d673e0bccacc98e5e6b7149bb3c22edd8d39cb753e5d7d7e471498118a1?s=96&d=mm&r=g","caption":"\u6587, \u7fd4"},"url":"https:\/\/www.silicloud.com\/zh\/blog\/author\/wenxiang\/"},{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/%e7%b4%a0%e4%ba%ba%e4%bd%bf%e7%94%a8-node-js-%e8%bf%9b%e8%a1%8c%e5%a4%a7%e8%a7%84%e6%a8%a1%e6%95%b0%e6%8d%ae%e7%9a%84%e9%80%90%e6%ad%a5%e5%a4%84%e7%90%86%e3%80%82\/#local-main-organization-logo","url":"","contentUrl":"","caption":"Blog - Silicon Cloud"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/29853","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/comments?post=29853"}],"version-history":[{"count":3,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/29853\/revisions"}],"predecessor-version":[{"id":111587,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/29853\/revisions\/111587"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/media?parent=29853"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/categories?post=29853"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/tags?post=29853"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}