{"id":180,"date":"2021-09-17T15:23:32","date_gmt":"1970-01-01T00:00:00","guid":{"rendered":"http:\/\/swift.tecc0.com\/?p=180"},"modified":"2021-09-17T15:23:32","modified_gmt":"1970-01-01T00:00:00","slug":"post-180","status":"publish","type":"post","link":"https:\/\/swift.tecc0.com\/?p=180","title":{"rendered":"Swift\u3067\u65e5\u6642\u3092\u52a0\u7b97\u3057\u305f\u308a\u5dee\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"<p>\u3053\u3053\u3067\u3082NSDate\u30af\u30e9\u30b9\u3092\u4f7f\u3046\u306e\u3067\u3001\u308f\u304b\u3089\u3093\u4eba\u306f<a href=\"https:\/\/swift.tecc0.com\/?p=172\">\u3053\u3063\u3061\u306e\u8a18\u4e8b<\/a>\u3092\u8aad\u3093\u3067\u304b\u3089\u3067\u304a\u306a\u3057\u3083\u3059\u3002<\/p>\n<p>\u00a0<\/p>\n<h3>Swift\u30671\u9031\u9593\u5f8c(1\u9031\u9593\u524d)\u306e\u65e5\u4ed8\u3092\u53d6\u5f97\u3059\u308b<\/h3>\n<pre class=\"toolbar-overlay:false lang:swift decode:true\">let now = Date() \/\/ Dec 27, 2015, 8:24 PM\n\n\/\/ 60\u79d2*60\u5206*24\u6642\u9593*7\u65e5 = 1\u9031\u9593\u5f8c\u306e\u65e5\u4ed8\nlet date1 = Date(timeInterval: 60*60*24*7, since: now) \/\/ Jan 3, 2016, 8:24 PM\n\/\/ -60\u79d2*60\u5206*24\u6642\u9593*7\u65e5 = 1\u9031\u9593\u524d\u306e\u65e5\u4ed8\nlet date2 = Date(timeInterval: -60*60*24*7, since: now) \/\/ Dec 20, 2015, 8:24 PM<\/pre>\n<p><span style=\"color: #ff0000;\">\u203btimeInterval\u306f\u79d2\u6570\u3067\u52a0\u7b97\u3059\u308b<\/span><\/p>\n<p>\u00a0<\/p>\n<h3>Swift\u30672\u3064\u306e\u65e5\u4ed8\u306e\u5dee\u3092\u53d6\u5f97\u3059\u308b<\/h3>\n<pre class=\"toolbar-overlay:false lang:swift decode:true\">let now = Date()\nlet date1 = Date(timeInterval: 60*60*24*7, since: now) \/\/ 1\u9031\u9593\u5f8c\nlet date2 = Date(timeInterval: -60*60*24*7, since: now) \/\/ 1\u9031\u9593\u524d\n\nlet span = date1.timeIntervalSince(date2) \/\/ 1209600\u79d2\u5dee\nlet daySpan = span\/60\/60\/24 \/\/ 14 (\u65e5)<\/pre>\n<p>\u00a0<\/p>\n<h4>\u304a\u307e\u3051: &#8220;1970\u5e74&#8221;\u3068&#8221;\u4eca&#8221;\u3068\u306e\u5dee<\/h4>\n<p>\u3082\u3061\u308d\u3093\u4e0a\u306e\u65b9\u6cd5\u3067\u3067\u304d\u308b\u3051\u3069\u3001\u4eca\u30681970\u5e74\u3068\u306e\u5dee\u306f\u3053\u3093\u306a\u306e\u304c\u3042\u308b\u3002<\/p>\n<pre class=\"toolbar-overlay:false lang:default decode:true \">\/\/1970\u5e74\u304b\u3089\u306e\u79d2\u6570\u5dee\nlet spanFrom1970 = date1.timeIntervalSince1970 \/\/ 1451821326.231374\n\/\/\u4eca\u304b\u3089\u306e\u79d2\u6570\u5dee\nlet spanFromNow = date1.timeIntervalSinceNow \/\/ 604799.992963016<\/pre>\n<p>\u00a0<\/p>\n<p><span style=\"color: #ff0000;\">\u7279\u5b9a\u306e\u65e5\u4ed8\u3068\u306e\u5dee<\/span>\u3068\u304b\u306a\u3089\u554f\u984c\u306a\u3044\u3093\u3060\u3051\u3069\u3001\u4eca\u56de\u307f\u305f\u3044\u306a\u30b1\u30fc\u30b9(\u73fe\u5728\u57fa\u6e96)\u3067\u306f\u3001\u5b9f\u884c\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u304c\u305a\u308c\u308b(now\u304c\u305a\u308c\u308b)\u306e\u3067\u3001\u5c0f\u6570\u70b9\u304c\u3067\u3066\u304d\u3061\u3083\u3046\u3002\u9023\u7d9a\u3067\u5b9f\u884c\u3059\u308b\u3068\u3053\u3093\u306a\u611f\u3058<\/p>\n<pre class=\"toolbar-overlay:false lang:swift decode:true\">date1.timeIntervalSinceNow \/\/ 604799.9947849512\ndate1.timeIntervalSinceNow \/\/ 604799.9944639802\ndate1.timeIntervalSinceNow \/\/ 604799.9940769672\n\ndate1.timeIntervalSince(now) \/\/ 604800<\/pre>\n<p>\u00a0<\/p>\n<p>\u3084\u3063\u3066\u308b\u3053\u3068\u3068\u3057\u3066\u306f\u4e00\u756a\u4e0b\u3068\u540c\u3058\u306a\u3093\u3067\u3001\u4eca\u56de\u307f\u305f\u3044\u306a\u30df\u30b9\u3092\u6e1b\u3089\u3059\u305f\u3081\u306b\u3001\u53ef\u8aad\u6027\u3082\u5927\u3057\u3066\u5909\u308f\u3089\u3093\u3057\u3001<strong>timeIntervalSince()<\/strong> \u306b\u7d71\u4e00\u3057\u305f\u307b\u3046\u304c\u30df\u30b9\u6e1b\u308b\u6c17\u304c\u3059\u308b\u3001\u305f\u3076\u3093\u3002<\/p>\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3053\u3053\u3067\u3082NSDate\u30af\u30e9\u30b9\u3092\u4f7f\u3046\u306e\u3067\u3001\u308f\u304b\u3089\u3093\u4eba\u306f\u3053\u3063\u3061\u306e\u8a18\u4e8b\u3092\u8aad\u3093\u3067\u304b\u3089\u3067\u304a\u306a\u3057\u3083\u3059\u3002 \u00a0 Swift\u30671\u9031\u9593\u5f8c(1\u9031\u9593\u524d)\u306e\u65e5\u4ed8\u3092\u53d6\u5f97\u3059\u308b let now = Date() \/\/ Dec 27, 2015, 8:24&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[17],"tags":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=\/wp\/v2\/posts\/180"}],"collection":[{"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=180"}],"version-history":[{"count":8,"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=\/wp\/v2\/posts\/180\/revisions"}],"predecessor-version":[{"id":814,"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=\/wp\/v2\/posts\/180\/revisions\/814"}],"wp:attachment":[{"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=180"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=180"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/swift.tecc0.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=180"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}