{"id":1534,"date":"2022-07-14T06:08:25","date_gmt":"2022-07-14T06:08:25","guid":{"rendered":"http:\/\/feellikelearning.com\/?p=1534"},"modified":"2022-07-14T17:46:37","modified_gmt":"2022-07-14T17:46:37","slug":"http-feellikelearning-com-index-php-2022-07-12-sf-bayarea-time-to-beijing-time-a-simple-javascript-example-of-changing-time-zone","status":"publish","type":"post","link":"https:\/\/feellikelearning.com\/index.php\/2022\/07\/14\/http-feellikelearning-com-index-php-2022-07-12-sf-bayarea-time-to-beijing-time-a-simple-javascript-example-of-changing-time-zone\/","title":{"rendered":"\u65e7\u91d1\u5c71\u6e7e\u533a\u65f6\u95f4\u4e0e\u5317\u4eac\u65f6\u95f4\u8f6c\u6362\uff0c\u7528Javascript\u65b9\u4fbf\u5730\u5b9e\u73b0\u65f6\u533a\u8f6c\u6362\u4f8b\u5b50"},"content":{"rendered":"\n<p>\u5728\u5f53\u4eca\u8fd9\u4e2a\u670d\u52a1\u5168\u7403\u5316\u65f6\u4ee3\uff0c\u65f6\u533a\u8f6c\u6362\u662f\u4f7f\u7528\u5404\u79cd\u7f16\u7a0b\u8bed\u8a00\u65f6\u7ecf\u5e38\u9047\u5230\u7684\u95ee\u9898\u3002\u4e4b\u524d\u7684<a href=\"http:\/\/feellikelearning.com\/index.php\/2022\/07\/12\/sf-bayarea-time-to-beijing-time-a-python-example-of-changing-time-zone\/\">\u8fd9\u7bc7\u6587\u7ae0<\/a>\u8bb2\u4e86Python\u5b9e\u73b0\u65f6\u95f4\u5728\u4e0d\u540c\u65f6\u533a\u7684\u6362\u7b97\uff0c\u672c\u6587\u8bb2\u4e00\u4e0b\u600e\u6837\u7528Javascript\u5b9e\u73b0\u3002\u591a\u4e8f\u4e86<a href=\"https:\/\/momentjs.com\/\">moment.js<\/a>\u8fd9\u4e2a\u5e93\uff0c\u65f6\u533a\u8f6c\u6362\u5b9e\u73b0\u975e\u5e38\u76f4\u89c2\u65b9\u4fbf\uff0c\u6bd4Python\u7684pytz\u597d\u7528\u70b9\u3002Google\u51fa\u6765\u6392\u540d\u524d\u51e0\u540d\u7684\u6587\u7ae0\u611f\u89c9\u5e76\u4e0d\u6ee1\u610f\uff0c\u6240\u4ee5\u5728\u8fd9\u603b\u7ed3\u5206\u4eab\u4e00\u4e0b\uff0c\u4ee5\u4fbf\u9700\u8981\u7684\u65f6\u5019\u5f88\u5bb9\u6613\u627e\u5230end to end\u80fd\u5de5\u4f5c\u7684\u4f8b\u5b50\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"js\" data-enlighter-theme=\"classic\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">const sftime = moment().tz('America\/Los_Angeles');\nconst bjtime = moment(sftime).tz('Asia\/Shanghai');\n\n\/\/ check result\nconst fmt = 'hh:mm:ss a z YYYY-MM-DD';\nconsole.log(sftime.format(fmt));\nconsole.log(bjtime.format(fmt));<\/pre>\n\n\n\n<p>\u4ece\u4e0a\u9762\u4f8b\u5b50\u53ef\u4ee5\u770b\u5230\uff0c\u771f\u7684\u975e\u5e38\u7b80\u5355\uff0c\u57fa\u672c\u5c31\u662f\u4e00\u4e2amoment\u5bf9\u8c61\u8c03\u7528tz\u51fd\u6570\uff0c\u53c2\u6570\u4e3a\u65b0\u65f6\u533a\u7684\u540d\u5b57\uff0c\u5c31\u751f\u6210\u4e86\u8868\u793a\u65b0\u65f6\u533a\u65f6\u95f4\u4e00\u4e2a\u65b0\u7684moment\u3002\u53ef\u4ee5\u7528format\u6253\u5370\u51fa\u6765\u6765\u9a8c\u8bc1\u5176\u51c6\u786e\u6027\u3002<\/p>\n\n\n\n<h2>\u5728Chrome\u6d4f\u89c8\u5668\u9a8c\u8bc1<\/h2>\n\n\n\n<p>Javascript\u7684\u597d\u5904\u5c31\u662f\u6709\u4e2a\u6d4f\u89c8\u5668\u5c31\u53ef\u4ee5\u8dd1\uff0c\u4e0d\u9700\u8981\u8bbe\u7f6e\u4ec0\u4e48\u73af\u5883\u3002\u9a8c\u8bc1\u4e0a\u9762\u4ee3\u7801\u53ef\u4ee5\u6253\u5f00<a href=\"https:\/\/momentjs.com\/\">moment.js\u7684\u5b98\u7f51<\/a>\uff0c\u6253\u5f00developer tool\u7684console\uff0c<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"1304\" height=\"908\" src=\"http:\/\/feellikelearning.com\/wp-content\/uploads\/2022\/07\/image-2.png\" alt=\"\" class=\"wp-image-1537\"\/><\/figure>\n\n\n\n<p>\u6ce8\u610f\uff0c\u4e00\u5b9a\u8981\u5728\u8fd9\u4e2a\u7f51\u7ad9\u4e0b\u6253\u5f00developer tools\uff0c\u8fd9\u6837moment\u4f1a\u5728\u6d4f\u89c8\u5668\u73af\u5883\u91cc\uff0c\u5728\u5176\u4ed6\u7f51\u7ad9\u4e0b\u6253\u5f00\u4f1a\u627e\u4e0d\u5230moment\u3002<\/p>\n\n\n\n<p>\u8fd0\u884c\u4e0a\u9762\u4ee3\u7801\u5982\u4e0b<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"746\" height=\"340\" src=\"http:\/\/feellikelearning.com\/wp-content\/uploads\/2022\/07\/image-3.png\" alt=\"\" class=\"wp-image-1540\"\/><\/figure>\n\n\n\n<p>\u5df2\u77e5\u6e7e\u533a\u65f6\u95f4\uff08-0700\uff09\u6bd4\u5317\u4eac\u65f6\u95f4\uff080800\uff09\u665a15\u5c0f\u65f6\uff0c\u6240\u4ee5\u4e0a\u9762\u7ed3\u679c\u662f\u6b63\u786e\u7684\u3002moment(sftime)\u662f\u521b\u5efa\u4e00\u4e2acopy\uff0c\u5982\u679c\u7528sftime.tz(&#8216;Asia\/Shanghai&#8217;)\u5c31\u4f1a\u6539\u53d8sftime\u8fd9\u4e2a\u5bf9\u8c61\u672c\u8eab\u7684\u5185\u5bb9\uff0c\u800c\u6211\u4eec\u60f3\u65b0\u5efa\u4e00\u4e2abjtime\u7684\u5bf9\u8c61\u5b58\u653e\u5317\u4eac\u65f6\u95f4\u3002<\/p>\n\n\n\n<h2>\u5efa\u7acb\u4e00\u4e2aHTML\u6587\u4ef6\u6765\u8fd0\u884c\u4ee3\u7801<\/h2>\n\n\n\n<p>\u5982\u679c\u9700\u8981\u5728\u672c\u5730\u5efa\u7acb\u4e00\u4e2aHTML\uff0c\u53ef\u4ee5\u628a<a href=\"https:\/\/momentjs.com\/downloads\/moment.js\">moment.js<\/a>\u548c<a href=\"https:\/\/momentjs.com\/downloads\/moment-timezone-with-data.js\">moment-timezone-with-data.js<\/a>\u4e0b\u8f7d\u4e0b\u6765\uff0c\u653e\u5728\u548c\u5c06\u8981\u521b\u5efa\u7684test_moment.html\u6587\u4ef6\u653e\u4e00\u8d77\u3002\u7f16\u8f91test_moment.html\u5982\u4e0b:<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"html\" data-enlighter-theme=\"classic\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;!DOCTYPE html>\n&lt;html>\n\n&lt;head>\n    &lt;script type=\"text\/javascript\" src=\"moment.js\">\n    &lt;\/script>\n\n    &lt;script type=\"text\/javascript\" src=\"moment-timezone-with-data.js\">\n    &lt;\/script>\n&lt;\/head>\n\n&lt;body>\n    &lt;script>\n        const sftime = moment().tz('America\/Los_Angeles');\n        const bjtime = moment(sftime).tz('Asia\/Shanghai');\n\n        \/\/ check result\n        const fmt = 'hh:mm:ss a z YYYY-MM-DD';\n   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class=\"wp-image-1548\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u5f53\u4eca\u8fd9\u4e2a\u670d\u52a1\u5168\u7403\u5316\u65f6\u4ee3\uff0c\u65f6\u533a\u8f6c\u6362\u662f\u4f7f\u7528\u5404\u79cd\u7f16\u7a0b\u8bed\u8a00\u65f6\u7ecf\u5e38\u9047\u5230\u7684\u95ee\u9898\u3002\u4e4b\u524d\u7684\u8fd9\u7bc7\u6587\u7ae0\u8bb2\u4e86Python\u5b9e\u73b0\u65f6\u95f4\u5728\u4e0d\u540c\u65f6\u533a\u7684\u6362\u7b97\uff0c\u672c\u6587\u8bb2\u4e00\u4e0b\u600e\u6837\u7528Javascript\u5b9e\u73b0\u3002\u591a\u4e8f\u4e86moment.js\u8fd9\u4e2a\u5e93\uff0c\u65f6\u533a\u8f6c\u6362\u5b9e\u73b0\u975e\u5e38\u76f4\u89c2\u65b9\u4fbf\uff0c\u6bd4Python\u7684pytz\u597d\u7528\u70b9\u3002Google\u51fa\u6765\u6392\u540d\u524d\u51e0\u540d\u7684\u6587\u7ae0\u611f\u89c9\u5e76\u4e0d\u6ee1\u610f\uff0c\u6240\u4ee5\u5728\u8fd9\u603b\u7ed3\u5206\u4eab\u4e00\u4e0b\uff0c\u4ee5\u4fbf\u9700\u8981\u7684\u65f6\u5019\u5f88\u5bb9\u6613\u627e\u5230end to end\u80fd\u5de5\u4f5c\u7684\u4f8b\u5b50\u3002 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tools\uff0c\u8fd9\u6837moment\u4f1a\u5728\u6d4f\u89c8\u5668\u73af\u5883\u91cc\uff0c\u5728\u5176\u4ed6\u7f51\u7ad9\u4e0b\u6253\u5f00\u4f1a\u627e\u4e0d\u5230moment\u3002 \u8fd0\u884c\u4e0a\u9762\u4ee3\u7801\u5982\u4e0b \u5df2\u77e5\u6e7e\u533a\u65f6\u95f4\uff08-0700\uff09\u6bd4\u5317\u4eac\u65f6\u95f4\uff080800\uff09\u665a15\u5c0f\u65f6\uff0c\u6240\u4ee5\u4e0a\u9762\u7ed3\u679c\u662f\u6b63\u786e\u7684\u3002moment(sftime)\u662f\u521b\u5efa\u4e00\u4e2acopy\uff0c\u5982\u679c\u7528sftime.tz(&#8216;Asia\/Shanghai&#8217;)\u5c31\u4f1a\u6539\u53d8sftime\u8fd9\u4e2a\u5bf9\u8c61\u672c\u8eab\u7684\u5185\u5bb9\uff0c\u800c\u6211\u4eec\u60f3\u65b0\u5efa\u4e00\u4e2abjtime\u7684\u5bf9\u8c61\u5b58\u653e\u5317\u4eac\u65f6\u95f4\u3002 \u5efa\u7acb\u4e00\u4e2aHTML\u6587\u4ef6\u6765\u8fd0\u884c\u4ee3\u7801 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