{"id":187148,"date":"2024-11-11T11:51:18","date_gmt":"2024-11-11T03:51:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/187148\/"},"modified":"2024-11-11T11:51:20","modified_gmt":"2024-11-11T03:51:20","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e6%99%82%e9%96%93%e8%bd%89%e6%8f%9b%e6%8a%80%e5%b7%a7%e5%8f%8a%e5%af%a6%e4%be%8b%e8%a9%b3%e8%a7%a3-%e6%95%b8%e6%93%9a%e5%ba%ab%e8%bd%89%e6%8f%9b%e6%99%82%e9%96%93","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/187148\/","title":{"rendered":"\u6578\u64da\u5eab\u6642\u9593\u8f49\u63db\u6280\u5de7\u53ca\u5be6\u4f8b\u8a73\u89e3 (\u6578\u64da\u5eab\u8f49\u63db\u6642\u9593)"},"content":{"rendered":"<h1 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e6%99%82%e9%96%93%e8%bd%89%e6%8f%9b%e6%8a%80%e5%b7%a7%e5%8f%8a%e5%af%a6%e4%be%8b%e8%a9%b3%e8%a7%a3-%e6%95%b8%e6%93%9a%e5%ba%ab%e8%bd%89%e6%8f%9b%e6%99%82%e9%96%93-EFZXICUzgK\">\u6578\u64da\u5eab\u6642\u9593\u8f49\u63db\u6280\u5de7\u53ca\u5be6\u4f8b\u8a73\u89e3 (\u6578\u64da\u5eab\u8f49\u63db\u6642\u9593)<\/h1>\n<p>\u5728\u73fe\u4ee3\u7684\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u6642\u9593\u7684\u8655\u7406\u662f\u4e00\u500b\u81f3\u95dc\u91cd\u8981\u7684\u8ab2\u984c\u3002\u7121\u8ad6\u662f\u8a18\u9304\u7528\u6236\u7684\u6d3b\u52d5\u6642\u9593\uff0c\u9084\u662f\u9032\u884c\u6578\u64da\u5206\u6790\uff0c\u6b63\u78ba\u7684\u6642\u9593\u8f49\u63db\u90fd\u80fd\u5920\u5e6b\u52a9\u6211\u5011\u66f4\u597d\u5730\u7406\u89e3\u6578\u64da\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u6578\u64da\u5eab\u4e2d\u7684\u6642\u9593\u8f49\u63db\u6280\u5de7\uff0c\u4e26\u63d0\u4f9b\u5be6\u4f8b\u8a73\u89e3\uff0c\u5e6b\u52a9\u8b80\u8005\u638c\u63e1\u9019\u4e00\u91cd\u8981\u6280\u80fd\u3002<\/p>\n<h2 id=\"%e6%99%82%e9%96%93%e6%a0%bc%e5%bc%8f%e7%9a%84%e7%90%86%e8%a7%a3-EFZXICUzgK\">\u6642\u9593\u683c\u5f0f\u7684\u7406\u89e3<\/h2>\n<p>\u5728\u6578\u64da\u5eab\u4e2d\uff0c\u6642\u9593\u901a\u5e38\u4ee5\u4e0d\u540c\u7684\u683c\u5f0f\u5b58\u5132\u3002\u6700\u5e38\u898b\u7684\u683c\u5f0f\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>DATETIME<\/strong>\uff1a\u5305\u542b\u65e5\u671f\u548c\u6642\u9593\uff0c\u683c\u5f0f\u70ba &#8216;YYYY-MM-DD HH:MM:SS&#8217;\u3002<\/li>\n<li><strong>DATE<\/strong>\uff1a\u50c5\u5305\u542b\u65e5\u671f\uff0c\u683c\u5f0f\u70ba &#8216;YYYY-MM-DD&#8217;\u3002<\/li>\n<li><strong>TIME<\/strong>\uff1a\u50c5\u5305\u542b\u6642\u9593\uff0c\u683c\u5f0f\u70ba &#8216;HH:MM:SS&#8217;\u3002<\/li>\n<li><strong>TIMESTAMP<\/strong>\uff1a\u81ea1970\u5e741\u67081\u65e5\u4ee5\u4f86\u7684\u79d2\u6578\uff0c\u901a\u5e38\u7528\u65bc\u8a18\u9304\u4e8b\u4ef6\u7684\u767c\u751f\u6642\u9593\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%99%82%e9%96%93%e8%bd%89%e6%8f%9b%e7%9a%84%e5%bf%85%e8%a6%81%e6%80%a7-EFZXICUzgK\">\u6642\u9593\u8f49\u63db\u7684\u5fc5\u8981\u6027<\/h2>\n<p>\u5728\u591a\u6642\u5340\u7684\u61c9\u7528\u4e2d\uff0c\u6642\u9593\u8f49\u63db\u986f\u5f97\u5c24\u70ba\u91cd\u8981\u3002\u4f8b\u5982\uff0c\u7576\u7528\u6236\u5728\u4e0d\u540c\u7684\u5730\u7406\u4f4d\u7f6e\u9032\u884c\u64cd\u4f5c\u6642\uff0c\u6578\u64da\u5eab\u9700\u8981\u5c07\u5176\u672c\u5730\u6642\u9593\u8f49\u63db\u70ba\u7d71\u4e00\u7684\u6642\u9593\u683c\u5f0f\uff0c\u4ee5\u4fbf\u9032\u884c\u6b63\u78ba\u7684\u6578\u64da\u5206\u6790\u548c\u5831\u544a\u3002<\/p>\n<h2 id=\"%e5%b8%b8%e8%a6%8b%e7%9a%84%e6%99%82%e9%96%93%e8%bd%89%e6%8f%9b%e6%8a%80%e5%b7%a7-EFZXICUzgK\">\u5e38\u898b\u7684\u6642\u9593\u8f49\u63db\u6280\u5de7<\/h2>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8-sql-%e5%87%bd%e6%95%b8%e9%80%b2%e8%a1%8c%e6%99%82%e9%96%93%e8%bd%89%e6%8f%9b-EFZXICUzgK\">1. \u4f7f\u7528 SQL \u51fd\u6578\u9032\u884c\u6642\u9593\u8f49\u63db<\/h3>\n<p>\u5728 SQL \u4e2d\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u591a\u7a2e\u5167\u5efa\u51fd\u6578\u4f86\u9032\u884c\u6642\u9593\u8f49\u63db\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u51fd\u6578\uff1a<\/p>\n<ul>\n<li><strong>CONVERT()<\/strong>\uff1a\u7528\u65bc\u5c07\u4e00\u7a2e\u6578\u64da\u985e\u578b\u8f49\u63db\u70ba\u53e6\u4e00\u7a2e\u6578\u64da\u985e\u578b\u3002<\/li>\n<li><strong>CAST()<\/strong>\uff1a\u985e\u4f3c\u65bc CONVERT\uff0c\u4f46\u8a9e\u6cd5\u7565\u6709\u4e0d\u540c\u3002<\/li>\n<li><strong>DATE_FORMAT()<\/strong>\uff1a\u7528\u65bc\u683c\u5f0f\u5316\u65e5\u671f\u548c\u6642\u9593\u3002<\/li>\n<\/ul>\n<h3 id=\"2-%e5%af%a6%e4%be%8b%ef%bc%9a%e5%b0%87-utc-%e6%99%82%e9%96%93%e8%bd%89%e6%8f%9b%e7%82%ba%e6%9c%ac%e5%9c%b0%e6%99%82%e9%96%93-EFZXICUzgK\">2. \u5be6\u4f8b\uff1a\u5c07 UTC \u6642\u9593\u8f49\u63db\u70ba\u672c\u5730\u6642\u9593<\/h3>\n<p>\u5047\u8a2d\u6211\u5011\u7684\u6578\u64da\u5eab\u4e2d\u5b58\u5132\u4e86 UTC \u6642\u9593\uff0c\u6211\u5011\u9700\u8981\u5c07\u5176\u8f49\u63db\u70ba\u9999\u6e2f\u6642\u9593\uff08HKT\uff09\u3002\u4ee5\u4e0b\u662f\u4e00\u500b SQL \u67e5\u8a62\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nSELECT \n    event_name, \n    event_time, \n    CONVERT_TZ(event_time, '+00:00', '+08:00') AS local_event_time \nFROM \n    events;\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u67e5\u8a62\u4e2d\uff0c<code>CONVERT_TZ()<\/code> \u51fd\u6578\u5c07 UTC \u6642\u9593\u8f49\u63db\u70ba\u9999\u6e2f\u6642\u9593\uff0c\u9019\u6a23\u6211\u5011\u5c31\u80fd\u5920\u4ee5\u672c\u5730\u6642\u9593\u67e5\u770b\u4e8b\u4ef6\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e6%87%89%e7%94%a8%e7%a8%8b%e5%bc%8f%e9%80%b2%e8%a1%8c%e6%99%82%e9%96%93%e8%bd%89%e6%8f%9b-EFZXICUzgK\">3. \u4f7f\u7528\u61c9\u7528\u7a0b\u5f0f\u9032\u884c\u6642\u9593\u8f49\u63db<\/h3>\n<p>\u9664\u4e86\u5728\u6578\u64da\u5eab\u4e2d\u9032\u884c\u6642\u9593\u8f49\u63db\u5916\uff0c\u6211\u5011\u4e5f\u53ef\u4ee5\u5728\u61c9\u7528\u7a0b\u5f0f\u5c64\u9762\u9032\u884c\u8655\u7406\u3002\u4f8b\u5982\uff0c\u5728 Python \u4e2d\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 <code>pytz<\/code> \u5eab\u4f86\u8655\u7406\u6642\u5340\u8f49\u63db\uff1a<\/p>\n<pre><code>\nimport pytz\nfrom datetime import datetime\n\n# \u7372\u53d6 UTC \u6642\u9593\nutc_time = datetime.now(pytz.utc)\n\n# \u8f49\u63db\u70ba\u9999\u6e2f\u6642\u9593\nhkt_time = utc_time.astimezone(pytz.timezone('Asia\/Hong_Kong'))\nprint(hkt_time)\n<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u9996\u5148\u7372\u53d6\u7576\u524d\u7684 UTC \u6642\u9593\uff0c\u7136\u5f8c\u5c07\u5176\u8f49\u63db\u70ba\u9999\u6e2f\u6642\u9593\uff0c\u9019\u6a23\u53ef\u4ee5\u5728\u61c9\u7528\u5c64\u9762\u4e0a\u9032\u884c\u9748\u6d3b\u7684\u6642\u9593\u8655\u7406\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-EFZXICUzgK\">\u7e3d\u7d50<\/h2>\n<p>\u6642\u9593\u8f49\u63db\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\u626e\u6f14\u8457\u91cd\u8981\u89d2\u8272\uff0c\u6b63\u78ba\u7684\u6642\u9593\u8655\u7406\u80fd\u5920\u63d0\u9ad8\u6578\u64da\u7684\u6e96\u78ba\u6027\u548c\u53ef\u7528\u6027\u3002\u7121\u8ad6\u662f\u4f7f\u7528 SQL \u51fd\u6578\u9084\u662f\u61c9\u7528\u7a0b\u5f0f\u9032\u884c\u6642\u9593\u8f49\u63db\uff0c\u638c\u63e1\u9019\u4e9b\u6280\u5de7\u90fd\u80fd\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u4f01\u696d\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u638c\u63e1\u6578\u64da\u5eab\u6642\u9593\u8f49\u63db\u6280\u5de7\uff0c\u900f\u904e\u5be6\u4f8b\u8a73\u89e3\uff0c\u8f15\u9b06\u61c9\u5c0d\u5404\u7a2e\u6642\u9593\u683c\u5f0f\u8f49\u63db\u9700\u6c42\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-187148","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187148","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=187148"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187148\/revisions"}],"predecessor-version":[{"id":187149,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187148\/revisions\/187149"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=187148"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=187148"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=187148"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}