{"id":952,"date":"2015-02-05T22:11:43","date_gmt":"2015-02-05T13:11:43","guid":{"rendered":"http:\/\/research.itplants.com\/?p=952"},"modified":"2015-02-05T22:11:43","modified_gmt":"2015-02-05T13:11:43","slug":"node%e3%81%ae%e5%90%8c%e6%9c%9f%e5%87%a6%e7%90%86","status":"publish","type":"post","link":"https:\/\/research.itplants.com\/?p=952","title":{"rendered":"Node\u306e\u540c\u671f\u51e6\u7406"},"content":{"rendered":"<p>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u306eJavaScript\u3068\u7570\u306a\u308a\u3001\u30b5\u30fc\u30d0\u30fc\u5074\u306eNode\u3067\u306f\u3001\u975e\u540c\u671f\u306b\u51e6\u7406\u304c\u9032\u307f\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u9806\u756a\u306b\u3084\u3063\u3066\u6b32\u3057\u3044\u306e\u306b\u3001\u9806\u756a\u3092\u5909\u3048\u3089\u308c\u308b\u3068\u56f0\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002Node\u3067\u3001\u9806\u756a\u306b\u3084\u3063\u3066\u3082\u3089\u3046\u65b9\u6cd5\u306f\u3001async\u3092\u4f7f\u3063\u3066\u3001\u9806\u756a\u306b\u3084\u3063\u3066\u3082\u3089\u3046\u3053\u3068\u3067\u3059\u3002function\u306e\u30c1\u30a8\u30fc\u30f3\u30eb\u30fc\u30eb\u3092\u4f7f\u3046\u3088\u308a\u3082\u3001\u958b\u767a\u304c\u697d\u306b\u306a\u308a\u307e\u3059\u3002async.seriese\u3068\u304b\u3001async.waterfall\u3068\u304b\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001Node\u3067\u7d50\u679c\u3092\u30d5\u30a1\u30a4\u30eb\u306b\u66f8\u304d\u8fbc\u3080\u6642\u306b\u3001\u30a8\u30e9\u30fc\u3092\u76e3\u8996\u3057\u307e\u3059\u304c\u3001err=null\u304c\u623b\u3063\u3066\u304f\u308b\u3053\u3068\u304c\u3042\u308b\u3088\u3046\u3067\u3059\u3002\u3069\u3093\u306a\u30a8\u30e9\u30fc\u306a\u306e\u304b\u3001\u8868\u793a\u3055\u305b\u3088\u3046\u3068\u3059\u308b\u3068\u30cf\u30de\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002null\u306e\u30a8\u30e9\u30fc\u304c\u623b\u3063\u3066\u304d\u3066\u3082\u7121\u8996\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u3067\u3082\u3001\u4f55\u3067\u3001null\u306e\u30a8\u30e9\u30fc\u304c\u3082\u3069\u3063\u3066\u304f\u308b\u306e\u3067\u3057\u3087\u3046\u304b\u306d\uff1f\u3000\u8a2d\u8a08\u601d\u60f3\u304c\u308f\u304b\u3089\u306a\u3044\u3002<\/p>\n<pre class=\"brush: bash; title: ; notranslate\" title=\"\">\r\n\r\nvar fs = require('fs');\r\nvar data = &quot;write text test!&quot;;\r\nfs.writeFile('.\/data\/writetest.txt', data , function (err) {\r\nif(err)\r\nreturn console.log('write error:'+err);\r\n});\r\n\r\n<\/pre>\n<p>\u3053\u3093\u306a\u7c21\u5358\u306a\u30b3\u30fc\u30c9\u3067\u3082\u3001\u00a0 if(err)\u304c\u306a\u3044\u3068\u843d\u3061\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u7686\u3055\u3093\u3082\u540c\u3058\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u306eJavaScript\u3068\u7570\u306a\u308a\u3001\u30b5\u30fc\u30d0\u30fc\u5074\u306eNode\u3067\u306f\u3001\u975e\u540c\u671f\u306b\u51e6\u7406\u304c\u9032\u307f\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u9806\u756a\u306b\u3084\u3063\u3066\u6b32\u3057\u3044\u306e\u306b\u3001\u9806\u756a\u3092\u5909\u3048\u3089\u308c\u308b\u3068\u56f0\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002Node\u3067\u3001\u9806\u756a\u306b\u3084\u3063\u3066\u3082\u3089\u3046\u65b9\u6cd5\u306f\u3001async\u3092\u4f7f\u3063&#8230;<\/p>\n<p><a class=\"more\" href=\"https:\/\/research.itplants.com\/?p=952\"> Read more &rarr;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/research.itplants.com\/index.php?rest_route=\/wp\/v2\/posts\/952"}],"collection":[{"href":"https:\/\/research.itplants.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/research.itplants.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/research.itplants.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/research.itplants.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=952"}],"version-history":[{"count":1,"href":"https:\/\/research.itplants.com\/index.php?rest_route=\/wp\/v2\/posts\/952\/revisions"}],"predecessor-version":[{"id":953,"href":"https:\/\/research.itplants.com\/index.php?rest_route=\/wp\/v2\/posts\/952\/revisions\/953"}],"wp:attachment":[{"href":"https:\/\/research.itplants.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=952"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/research.itplants.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=952"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/research.itplants.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=952"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}