{"id":96586,"date":"2024-10-20T10:41:19","date_gmt":"2024-10-20T02:41:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96586\/"},"modified":"2024-10-20T10:41:19","modified_gmt":"2024-10-20T02:41:19","slug":"php%e6%99%82%e9%96%93%e6%88%b3%e8%bd%89%e6%8f%9b%ef%bc%9a%e6%95%b8%e6%93%9a%e5%ba%ab%e6%99%82%e9%96%93%e7%84%a1%e6%b3%95%e9%a1%af%e7%a4%ba%e5%95%8f%e9%a1%8c%e8%a7%a3%e6%b1%ba-php%e9%87%8c%e6%95%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/96586\/","title":{"rendered":"php\u6642\u9593\u6233\u8f49\u63db\uff1a\u6578\u64da\u5eab\u6642\u9593\u7121\u6cd5\u986f\u793a\u554f\u984c\u89e3\u6c7a (php\u91cc\u6578\u64da\u5eab\u91cc\u6642\u9593\u7684\u986f\u793a\u4e0d\u51fa\u4f86\u7684)"},"content":{"rendered":"<h1 id=\"php%e6%99%82%e9%96%93%e6%88%b3%e8%bd%89%e6%8f%9b%ef%bc%9a%e6%95%b8%e6%93%9a%e5%ba%ab%e6%99%82%e9%96%93%e7%84%a1%e6%b3%95%e9%a1%af%e7%a4%ba%e5%95%8f%e9%a1%8c%e8%a7%a3%e6%b1%ba-KrRoDvUOcm\">PHP\u6642\u9593\u6233\u8f49\u63db\uff1a\u6578\u64da\u5eab\u6642\u9593\u7121\u6cd5\u986f\u793a\u554f\u984c\u89e3\u6c7a<\/h1>\n<p>\u5728\u958b\u767c\u7db2\u9801\u61c9\u7528\u7a0b\u5f0f\u6642\uff0c\u6642\u9593\u7684\u8655\u7406\u5f80\u5f80\u662f\u500b\u68d8\u624b\u7684\u554f\u984c\u3002\u5c24\u5176\u662f\u5728\u4f7f\u7528PHP\u8207\u6578\u64da\u5eab\uff08\u5982MySQL\uff09\u9032\u884c\u4ea4\u4e92\u6642\uff0c\u6642\u9593\u6233\u7684\u8f49\u63db\u548c\u986f\u793a\u53ef\u80fd\u6703\u51fa\u73fe\u5404\u7a2e\u554f\u984c\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u89e3\u6c7aPHP\u4e2d\u6578\u64da\u5eab\u6642\u9593\u7121\u6cd5\u986f\u793a\u7684\u554f\u984c\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u89e3\u6c7a\u65b9\u6848\u548c\u7bc4\u4f8b\u4ee3\u78bc\u3002<\/p>\n<h2 id=\"%e6%99%82%e9%96%93%e6%88%b3%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-KrRoDvUOcm\">\u6642\u9593\u6233\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u6642\u9593\u6233\uff08Timestamp\uff09\u662f\u6307\u81ea1970\u5e741\u67081\u65e500:00:00 UTC\u4ee5\u4f86\u7684\u79d2\u6578\u3002\u5728PHP\u4e2d\uff0c\u6642\u9593\u6233\u901a\u5e38\u4f7f\u7528\u51fd\u6578<code>time()<\/code>\u4f86\u7372\u53d6\u3002\u9019\u7a2e\u683c\u5f0f\u5728\u6578\u64da\u5eab\u4e2d\u5b58\u5132\u6642\u9593\u6642\u975e\u5e38\u5e38\u898b\uff0c\u56e0\u70ba\u5b83\u80fd\u5920\u7c21\u5316\u6642\u9593\u7684\u6bd4\u8f03\u548c\u8a08\u7b97\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e6%99%82%e9%96%93%e6%a0%bc%e5%bc%8f-KrRoDvUOcm\">\u6578\u64da\u5eab\u4e2d\u7684\u6642\u9593\u683c\u5f0f<\/h2>\n<p>\u5728MySQL\u4e2d\uff0c\u6642\u9593\u53ef\u4ee5\u4ee5\u591a\u7a2e\u683c\u5f0f\u5b58\u5132\uff0c\u5305\u62ecDATETIME\u3001TIMESTAMP\u548cDATE\u7b49\u3002\u9019\u4e9b\u683c\u5f0f\u5404\u6709\u7279\u9ede\uff0c\u9078\u64c7\u5408\u9069\u7684\u683c\u5f0f\u5c0d\u65bc\u6b63\u78ba\u986f\u793a\u6642\u9593\u81f3\u95dc\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u9019\u4e9b\u683c\u5f0f\u7684\u7c21\u8981\u4ecb\u7d39\uff1a<\/p>\n<ul>\n<li><strong>DATETIME\uff1a<\/strong>\u8868\u793a\u65e5\u671f\u548c\u6642\u9593\uff0c\u7bc4\u570d\u5f9e&#8217;1000-01-01 00:00:00&#8217;\u5230&#8217;9999-12-31 23:59:59&#8217;\u3002<\/li>\n<li><strong>TIMESTAMP\uff1a<\/strong>\u8868\u793a\u81ea1970\u5e741\u67081\u65e5\u4ee5\u4f86\u7684\u79d2\u6578\uff0c\u7bc4\u570d\u5f9e&#8217;1970-01-01 00:00:01&#8242; UTC\u5230&#8217;2038-01-19 03:14:07&#8242; UTC\u3002<\/li>\n<li><strong>DATE\uff1a<\/strong>\u50c5\u8868\u793a\u65e5\u671f\uff0c\u7bc4\u570d\u5f9e&#8217;1000-01-01&#8217;\u5230&#8217;9999-12-31&#8217;\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%b8%b8%e8%a6%8b%e5%95%8f%e9%a1%8c%ef%bc%9a%e6%99%82%e9%96%93%e7%84%a1%e6%b3%95%e9%a1%af%e7%a4%ba-KrRoDvUOcm\">\u5e38\u898b\u554f\u984c\uff1a\u6642\u9593\u7121\u6cd5\u986f\u793a<\/h2>\n<p>\u5728\u4f7f\u7528PHP\u5f9e\u6578\u64da\u5eab\u4e2d\u63d0\u53d6\u6642\u9593\u6578\u64da\u6642\uff0c\u53ef\u80fd\u6703\u9047\u5230\u6642\u9593\u7121\u6cd5\u986f\u793a\u7684\u554f\u984c\u3002\u9019\u901a\u5e38\u662f\u7531\u65bc\u4ee5\u4e0b\u5e7e\u500b\u539f\u56e0\u9020\u6210\u7684\uff1a<\/p>\n<ul>\n<li>\u6642\u9593\u683c\u5f0f\u4e0d\u5339\u914d\uff1a\u5982\u679c\u6578\u64da\u5eab\u4e2d\u7684\u6642\u9593\u683c\u5f0f\u8207PHP\u4e2d\u4f7f\u7528\u7684\u683c\u5f0f\u4e0d\u4e00\u81f4\uff0c\u5c07\u5c0e\u81f4\u986f\u793a\u932f\u8aa4\u3002<\/li>\n<li>\u6642\u5340\u8a2d\u7f6e\u4e0d\u6b63\u78ba\uff1aPHP\u548c\u6578\u64da\u5eab\u7684\u6642\u5340\u8a2d\u7f6e\u4e0d\u4e00\u81f4\uff0c\u6703\u5c0e\u81f4\u6642\u9593\u986f\u793a\u4e0d\u6b63\u78ba\u3002<\/li>\n<li>\u6578\u64da\u5eab\u67e5\u8a62\u932f\u8aa4\uff1a\u5982\u679c\u67e5\u8a62\u8a9e\u53e5\u4e0d\u6b63\u78ba\uff0c\u53ef\u80fd\u7121\u6cd5\u6b63\u78ba\u7372\u53d6\u6642\u9593\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-KrRoDvUOcm\">\u89e3\u6c7a\u65b9\u6848<\/h2>\n<h3 id=\"1-%e7%a2%ba%e4%bf%9d%e6%99%82%e9%96%93%e6%a0%bc%e5%bc%8f%e4%b8%80%e8%87%b4-KrRoDvUOcm\">1. \u78ba\u4fdd\u6642\u9593\u683c\u5f0f\u4e00\u81f4<\/h3>\n<p>\u5728\u5f9e\u6578\u64da\u5eab\u4e2d\u63d0\u53d6\u6642\u9593\u6578\u64da\u5f8c\uff0c\u61c9\u4f7f\u7528<code>date()<\/code>\u51fd\u6578\u5c07\u5176\u8f49\u63db\u70ba\u6240\u9700\u7684\u683c\u5f0f\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>&lt;?php\n$timestamp = 1633072800; \/\/ \u5047\u8a2d\u9019\u662f\u5f9e\u6578\u64da\u5eab\u7372\u53d6\u7684\u6642\u9593\u6233\n$formatted_time = date(\"Y-m-d H:i:s\", $timestamp);\necho $formatted_time; \/\/ \u8f38\u51fa\uff1a2021-10-01 00:00:00\n?&gt;<\/code><\/pre>\n<h3 id=\"2-%e8%a8%ad%e7%bd%ae%e6%ad%a3%e7%a2%ba%e7%9a%84%e6%99%82%e5%8d%80-KrRoDvUOcm\">2. \u8a2d\u7f6e\u6b63\u78ba\u7684\u6642\u5340<\/h3>\n<p>\u5728PHP\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528<code>date_default_timezone_set()<\/code>\u51fd\u6578\u8a2d\u7f6e\u6642\u5340\u3002\u78ba\u4fdd\u9019\u8207\u6578\u64da\u5eab\u7684\u6642\u5340\u4e00\u81f4\uff1a<\/p>\n<pre><code>&lt;?php\ndate_default_timezone_set(\"Asia\/Hong_Kong\"); \/\/ \u8a2d\u7f6e\u6642\u5340\u70ba\u9999\u6e2f\n?&gt;<\/code><\/pre>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a%e5%ba%ab%e6%9f%a5%e8%a9%a2-KrRoDvUOcm\">3. \u6aa2\u67e5\u6578\u64da\u5eab\u67e5\u8a62<\/h3>\n<p>\u78ba\u4fddSQL\u67e5\u8a62\u6b63\u78ba\u7121\u8aa4\uff0c\u4e26\u80fd\u5920\u6b63\u78ba\u7372\u53d6\u6642\u9593\u6578\u64da\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>&lt;?php\n$query = \"SELECT created_at FROM users WHERE id = 1\";\n$result = mysqli_query($conn, $query);\n$row = mysqli_fetch_assoc($result);\n$timestamp = strtotime($row['created_at']); \/\/ \u5c07DATETIME\u8f49\u63db\u70ba\u6642\u9593\u6233\n?&gt;<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-KrRoDvUOcm\">\u7e3d\u7d50<\/h2>\n<p>\u5728PHP\u4e2d\u8655\u7406\u6578\u64da\u5eab\u6642\u9593\u986f\u793a\u554f\u984c\u6642\uff0c\u78ba\u4fdd\u6642\u9593\u683c\u5f0f\u4e00\u81f4\u3001\u8a2d\u7f6e\u6b63\u78ba\u7684\u6642\u5340\u4ee5\u53ca\u6aa2\u67e5\u6578\u64da\u5eab\u67e5\u8a62\u662f\u95dc\u9375\u6b65\u9a5f\u3002\u901a\u904e\u9019\u4e9b\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6709\u6548\u89e3\u6c7a\u6642\u9593\u7121\u6cd5\u986f\u793a\u7684\u554f\u984c\uff0c\u5f9e\u800c\u63d0\u5347\u61c9\u7528\u7a0b\u5f0f\u7684\u7528\u6236\u9ad4\u9a57\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u9084\u662f <a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7aPHP\u6642\u9593\u6233\u8f49\u63db\u554f\u984c\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u4e2d\u7684\u6642\u9593\u6b63\u78ba\u986f\u793a\uff0c\u907f\u514d\u986f\u793a\u4e0d\u51fa\u4f86\u7684\u56f0\u64fe\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-96586","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96586","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=96586"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96586\/revisions"}],"predecessor-version":[{"id":96587,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96586\/revisions\/96587"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96586"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96586"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96586"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}