{"id":14708,"date":"2024-05-31T07:17:12","date_gmt":"2024-05-30T23:17:12","guid":{"rendered":"https:\/\/fgchen.com\/wpedu\/?p=14708"},"modified":"2026-03-30T14:30:50","modified_gmt":"2026-03-30T06:30:50","slug":"javascript%e7%9a%84date%e9%a1%9e%e5%88%a5%e4%bb%8b%e7%b4%b9%e8%88%87%e6%93%8d%e4%bd%9c","status":"publish","type":"post","link":"https:\/\/fgchen.com\/wpedu\/2024\/05\/javascript%e7%9a%84date%e9%a1%9e%e5%88%a5%e4%bb%8b%e7%b4%b9%e8%88%87%e6%93%8d%e4%bd%9c\/","title":{"rendered":"JavaScript\u7684Date\u985e\u5225\u4ecb\u7d39\u8207\u64cd\u4f5c"},"content":{"rendered":"\n<p>JavaScript \u7684 Date \u985e\u5225\u7528\u65bc\u8868\u793a\u65e5\u671f\u548c\u6642\u9593\u3002\u5b83\u53ef\u4ee5\u5efa\u7acb\u8868\u793a\u7279\u5b9a\u6642\u9593\u9ede\u7684\u65e5\u671f\u7269\u4ef6\uff0c\u4e5f\u53ef\u4ee5\u7528\u65bc\u53d6\u5f97\u548c\u64cd\u4f5c\u65e5\u671f\u548c\u6642\u9593\u8cc7\u8a0a\u3002<\/p>\n\n\n\n<p><strong>\u5efa\u7acb Date \u7269\u4ef6<\/strong><\/p>\n\n\n\n<p>\u6709\u56db\u7a2e\u65b9\u6cd5\u53ef\u4ee5\u5efa\u7acb Date \u7269\u4ef6\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>new Date()<\/code>\uff1a\u5efa\u7acb\u4e00\u500b\u8868\u793a\u7576\u524d\u65e5\u671f\u548c\u6642\u9593\u7684 Date \u7269\u4ef6\u3002<\/li>\n\n\n\n<li><code>new Date(value)<\/code>\uff1a\u5efa\u7acb\u4e00\u500b\u8868\u793a\u6307\u5b9a\u503c\u7684\u6642\u9593\u9ede\u7684 Date \u7269\u4ef6\u3002\u503c\u53ef\u4ee5\u662f\u6578\u5b57\uff08\u8868\u793a\u81ea 1970 \u5e74 1 \u6708 1 \u65e5\u5348\u591c\u4ee5\u4f86\u7684\u6beb\u79d2\u6578\uff09\u3001Date \u7269\u4ef6\u6216\u5b57\u7b26\u4e32\uff08\u8868\u793a\u65e5\u671f\u548c\u6642\u9593\u7684\u5b57\u7b26\u4e32\uff09\u3002<\/li>\n\n\n\n<li><code>new Date(year, month[, day[, hour[, minutes[, seconds[, milliseconds]]]]])<\/code>\uff1a\u5efa\u7acb\u4e00\u500b\u8868\u793a\u6307\u5b9a\u65e5\u671f\u548c\u6642\u9593\u7684 Date \u7269\u4ef6\u3002year \u662f\u5e74\u4efd\uff0cmonth \u662f\u6708\u4efd\uff080 \u8868\u793a 1 \u6708\uff09\uff0cday \u662f\u65e5\u671f\uff081 \u8868\u793a\u7576\u524d\u6708\u7684\u7b2c\u4e00\u5929\uff09\uff0chour \u662f\u5c0f\u6642\uff080 \u8868\u793a\u5348\u591c\uff09\uff0cminutes \u662f\u5206\u9418\uff080 \u8868\u793a\u5c0f\u6642\u7684\u958b\u59cb\uff09\uff0cseconds \u662f\u79d2\uff080 \u8868\u793a\u5206\u9418\u7684\u958b\u59cb\uff09\uff0cmilliseconds \u662f\u6beb\u79d2\uff080 \u8868\u793a\u79d2\u7684\u958b\u59cb\uff09\u3002<\/li>\n\n\n\n<li><code>new Date(dateString)<\/code>\uff1a\u5efa\u7acb\u4e00\u500b\u8868\u793a\u6307\u5b9a\u65e5\u671f\u548c\u6642\u9593\u5b57\u7b26\u4e32\u7684 Date \u7269\u4ef6\u3002dateString \u662f\u8868\u793a\u65e5\u671f\u548c\u6642\u9593\u7684\u5b57\u7b26\u4e32\u3002\u683c\u5f0f\u53ef\u4ee5\u662f ISO 8601 \u683c\u5f0f\u3001RFC 822 \u683c\u5f0f\u6216\u5176\u4ed6\u683c\u5f0f\uff0c\u5177\u9ad4\u53d6\u6c7a\u65bc\u700f\u89bd\u5668\u7684\u5be6\u73fe\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>\u53d6\u5f97\u65e5\u671f\u548c\u6642\u9593\u8cc7\u8a0a<\/strong><\/p>\n\n\n\n<p>Date \u7269\u4ef6\u63d0\u4f9b\u4e86\u8a31\u591a\u65b9\u6cd5\u4f86\u53d6\u5f97\u65e5\u671f\u548c\u6642\u9593\u8cc7\u8a0a\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>getFullYear()<\/code>\uff1a\u53d6\u5f97\u5e74\u4efd\u3002<\/li>\n\n\n\n<li><code>getMonth()<\/code>\uff1a\u53d6\u5f97\u6708\u4efd\uff080 \u8868\u793a 1 \u6708\uff09\u3002<\/li>\n\n\n\n<li><code>getDate()<\/code>\uff1a\u53d6\u5f97\u65e5\u671f\u3002<\/li>\n\n\n\n<li><code>getHours()<\/code>\uff1a\u53d6\u5f97\u5c0f\u6642\u3002<\/li>\n\n\n\n<li><code>getMinutes()<\/code>\uff1a\u53d6\u5f97\u5206\u9418\u3002<\/li>\n\n\n\n<li><code>getSeconds()<\/code>\uff1a\u53d6\u5f97\u79d2\u3002<\/li>\n\n\n\n<li><code>getMilliseconds()<\/code>\uff1a\u53d6\u5f97\u6beb\u79d2\u3002<\/li>\n\n\n\n<li><code>getDay()<\/code>\uff1a\u53d6\u5f97\u661f\u671f\uff080 \u8868\u793a\u661f\u671f\u65e5\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>\u5be6\u4f8b<\/strong><\/p>\n\n\n\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528 Date \u985e\u5225\u53d6\u5f97\u5e74\u3001\u6708\u3001\u65e5\u3001\u661f\u671f\u8cc7\u8a0a\u7684\u5be6\u4f8b\uff1a<\/p>\n\n\n\n<p>JavaScript<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;span class=\"hljs-keyword\">const&lt;\/span> date = &lt;span class=\"hljs-keyword\">new&lt;\/span> &lt;span class=\"hljs-built_in\">Date&lt;\/span>();\n&lt;span class=\"hljs-keyword\">const&lt;\/span> year = date.getFullYear();\n&lt;span class=\"hljs-keyword\">const&lt;\/span> month = date.getMonth() + &lt;span class=\"hljs-number\">1&lt;\/span>; &lt;span class=\"hljs-comment\">\/\/ \u6708\u4efd\u5f9e 0 \u958b\u59cb\uff0c\u6240\u4ee5\u8981\u52a0 1&lt;\/span>\n&lt;span class=\"hljs-keyword\">const&lt;\/span> day = date.getDate();\n&lt;span class=\"hljs-keyword\">const&lt;\/span> dayOfWeek = date.getDay();\n\n&lt;span class=\"hljs-built_in\">console&lt;\/span>.log(&lt;span class=\"hljs-string\">`\u5e74\uff1a&lt;span class=\"hljs-subst\">${year}&lt;\/span>`&lt;\/span>);\n&lt;span class=\"hljs-built_in\">console&lt;\/span>.log(&lt;span class=\"hljs-string\">`\u6708\uff1a&lt;span class=\"hljs-subst\">${month}&lt;\/span>`&lt;\/span>);\n&lt;span class=\"hljs-built_in\">console&lt;\/span>.log(&lt;span class=\"hljs-string\">`\u65e5\uff1a&lt;span class=\"hljs-subst\">${day}&lt;\/span>`&lt;\/span>);\n&lt;span class=\"hljs-built_in\">console&lt;\/span>.log(&lt;span class=\"hljs-string\">`\u661f\u671f\uff1a&lt;span class=\"hljs-subst\">${dayOfWeek}&lt;\/span>`&lt;\/span>);\n<\/pre>\n\n\n\n<p>\u8f38\u51fa\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\u5e74\uff1a2024\n\u6708\uff1a4\n\u65e5\uff1a12\n\u661f\u671f\uff1a5\n<\/pre>\n\n\n\n<p>\u5728\u9019\u500b\u5be6\u4f8b\u4e2d\uff0c\u6211\u5011\u9996\u5148\u4f7f\u7528 <code>new Date()<\/code> \u5efa\u7acb\u4e00\u500b\u8868\u793a\u7576\u524d\u65e5\u671f\u548c\u6642\u9593\u7684 Date \u7269\u4ef6\u3002\u7136\u5f8c\uff0c\u6211\u5011\u4f7f\u7528 <code>getFullYear()<\/code>\u3001<code>getMonth()<\/code>\u3001<code>getDate()<\/code> \u548c <code>getDay()<\/code> \u65b9\u6cd5\u53d6\u5f97\u5e74\u3001\u6708\u3001\u65e5\u3001\u661f\u671f\u8cc7\u8a0a\u3002\u6700\u5f8c\uff0c\u6211\u5011\u5c07\u9019\u4e9b\u8cc7\u8a0a\u8f38\u51fa\u5230\u63a7\u5236\u53f0\u3002<\/p>\n\n\n\n<p><strong>\u6ce8\u610f\u4e8b\u9805<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Date \u985e\u5225\u57fa\u65bc\u4e16\u754c\u6a19\u6e96\u6642\u9593\uff08UTC\uff091970 \u5e74 1 \u6708 1 \u65e5\u5348\u591c\u7684\u6beb\u79d2\u6578\u3002\u4e00\u5929\u6709 86,400,000 \u6beb\u79d2\u3002<\/li>\n\n\n\n<li>JavaScript Date \u7269\u4ef6\u53ef\u8868\u793a\u7684\u7bc4\u570d\u7531\u4e16\u754c\u6a19\u6e96\u6642\u9593\uff08UTC\uff091970 \u5e74 1 \u6708 1 \u65e5\u70ba\u57fa\u6e96\u7684 -100,000,000 \u5929\u5230 100,000,000 \u5929\u3002<\/li>\n\n\n\n<li>JavaScript Date \u7269\u4ef6\u662f\u53ef\u8b8a\u7684\u3002\u9019\u610f\u5473\u8457\u60a8\u53ef\u4ee5\u66f4\u6539\u5176\u5c6c\u6027\u503c\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>JavaScript \u7684 Date \u985e\u5225\u7528\u65bc\u8868\u793a\u65e5\u671f\u548c\u6642\u9593\u3002\u5b83\u53ef\u4ee5\u5efa\u7acb\u8868\u793a\u7279\u5b9a\u6642 &hellip; <\/p>\n","protected":false},"author":1,"featured_media":14707,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[266],"tags":[],"class_list":["post-14708","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-266"],"_links":{"self":[{"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/posts\/14708","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/comments?post=14708"}],"version-history":[{"count":1,"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/posts\/14708\/revisions"}],"predecessor-version":[{"id":14709,"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/posts\/14708\/revisions\/14709"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/media\/14707"}],"wp:attachment":[{"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/media?parent=14708"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/categories?post=14708"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fgchen.com\/wpedu\/wp-json\/wp\/v2\/tags?post=14708"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}