{"id":96604,"date":"2024-10-20T10:50:17","date_gmt":"2024-10-20T02:50:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96604\/"},"modified":"2024-10-20T10:50:18","modified_gmt":"2024-10-20T02:50:18","slug":"php%e5%af%a6%e7%8f%be%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ae%9a%e6%99%82%e8%87%aa%e5%8b%95%e5%82%99%e4%bb%bd%ef%bc%8c%e5%bf%ab%e9%80%9f%e9%ab%98%e6%95%88%e4%bf%9d%e9%9a%9c%e6%95%b8%e6%93%9a%e5%ae%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/96604\/","title":{"rendered":"php\u5be6\u73fe\u6578\u64da\u5eab\u5b9a\u6642\u81ea\u52d5\u5099\u4efd\uff0c\u5feb\u901f\u9ad8\u6548\u4fdd\u969c\u6578\u64da\u5b89\u5168 (php\u6578\u64da\u5eab\u5b9a\u6642\u5099\u4efd\u6578\u64da\u5eab\u5099\u4efd)"},"content":{"rendered":"<h1 id=\"php%e5%af%a6%e7%8f%be%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ae%9a%e6%99%82%e8%87%aa%e5%8b%95%e5%82%99%e4%bb%bd%ef%bc%8c%e5%bf%ab%e9%80%9f%e9%ab%98%e6%95%88%e4%bf%9d%e9%9a%9c%e6%95%b8%e6%93%9a%e5%ae%89-jTotcVVPYB\">PHP\u5be6\u73fe\u6578\u64da\u5eab\u5b9a\u6642\u81ea\u52d5\u5099\u4efd\uff0c\u5feb\u901f\u9ad8\u6548\u4fdd\u969c\u6578\u64da\u5b89\u5168<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5b89\u5168\u6027\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002\u7121\u8ad6\u662f\u4f01\u696d\u9084\u662f\u500b\u4eba\u7528\u6236\uff0c\u6578\u64da\u4e1f\u5931\u90fd\u53ef\u80fd\u5c0e\u81f4\u91cd\u5927\u7684\u640d\u5931\u3002\u56e0\u6b64\uff0c\u5b9a\u671f\u5099\u4efd\u6578\u64da\u5eab\u662f\u78ba\u4fdd\u6578\u64da\u5b89\u5168\u7684\u95dc\u9375\u63aa\u65bd\u4e4b\u4e00\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528PHP\u5be6\u73fe\u6578\u64da\u5eab\u7684\u5b9a\u6642\u81ea\u52d5\u5099\u4efd\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u4ee3\u78bc\u793a\u4f8b\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e5%ae%9a%e6%99%82%e5%82%99%e4%bb%bd%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f-jTotcVVPYB\">\u70ba\u4ec0\u9ebc\u9700\u8981\u5b9a\u6642\u5099\u4efd\u6578\u64da\u5eab\uff1f<\/h2>\n<p>\u5b9a\u6642\u5099\u4efd\u6578\u64da\u5eab\u7684\u4e3b\u8981\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u9632\u6b62\u6578\u64da\u4e1f\u5931\uff1a<\/strong>\u610f\u5916\u522a\u9664\u3001\u786c\u4ef6\u6545\u969c\u6216\u6578\u64da\u640d\u58de\u90fd\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u4e1f\u5931\uff0c\u5b9a\u671f\u5099\u4efd\u53ef\u4ee5\u6709\u6548\u964d\u4f4e\u9019\u4e9b\u98a8\u96aa\u3002<\/li>\n<li><strong>\u6578\u64da\u6062\u5fa9\uff1a<\/strong>\u5728\u767c\u751f\u6578\u64da\u4e1f\u5931\u7684\u60c5\u6cc1\u4e0b\uff0c\u5099\u4efd\u53ef\u4ee5\u5e6b\u52a9\u5feb\u901f\u6062\u5fa9\u6578\u64da\uff0c\u6e1b\u5c11\u696d\u52d9\u4e2d\u65b7\u6642\u9593\u3002<\/li>\n<li><strong>\u5408\u898f\u8981\u6c42\uff1a<\/strong>\u67d0\u4e9b\u884c\u696d\u5c0d\u6578\u64da\u4fdd\u8b77\u6709\u56b4\u683c\u7684\u6cd5\u5f8b\u8981\u6c42\uff0c\u5b9a\u671f\u5099\u4efd\u53ef\u4ee5\u5e6b\u52a9\u4f01\u696d\u9075\u5b88\u9019\u4e9b\u898f\u7bc4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bd%bf%e7%94%a8php%e9%80%b2%e8%a1%8c%e6%95%b8%e6%93%9a%e5%ba%ab%e5%82%99%e4%bb%bd-jTotcVVPYB\">\u4f7f\u7528PHP\u9032\u884c\u6578\u64da\u5eab\u5099\u4efd<\/h2>\n<p>\u4f7f\u7528PHP\u9032\u884c\u6578\u64da\u5eab\u5099\u4efd\u7684\u904e\u7a0b\u76f8\u5c0d\u7c21\u55ae\u3002\u4ee5\u4e0b\u662f\u5be6\u73fe\u81ea\u52d5\u5099\u4efd\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab-jTotcVVPYB\">1. \u9023\u63a5\u6578\u64da\u5eab<\/h3>\n<p>\u9996\u5148\uff0c\u9700\u8981\u4f7f\u7528PHP\u9023\u63a5\u5230\u6578\u64da\u5eab\u3002\u4ee5\u4e0b\u662f\u9023\u63a5MySQL\u6578\u64da\u5eab\u7684\u793a\u4f8b\u4ee3\u78bc\uff1a<\/p>\n<pre><code>&lt;?php\n$servername = \"localhost\";\n$username = \"username\";\n$password = \"password\";\n$dbname = \"database_name\";\n\n\/\/ \u5275\u5efa\u9023\u63a5\n$conn = new mysqli($servername, $username, $password, $dbname);\n\n\/\/ \u6aa2\u67e5\u9023\u63a5\nif ($conn-&gt;connect_error) {\n    die(\"\u9023\u63a5\u5931\u6557: \" . $conn-&gt;connect_error);\n}\n?&gt;<\/code><\/pre>\n<h3 id=\"2-%e5%9f%b7%e8%a1%8c%e5%82%99%e4%bb%bd-jTotcVVPYB\">2. \u57f7\u884c\u5099\u4efd<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u53ef\u4ee5\u4f7f\u7528`mysqldump`\u547d\u4ee4\u4f86\u5099\u4efd\u6578\u64da\u5eab\u3002\u4ee5\u4e0b\u662f\u57f7\u884c\u5099\u4efd\u7684\u793a\u4f8b\u4ee3\u78bc\uff1a<\/p>\n<pre><code>&lt;?php\n$backup_file = 'backup_' . date(\"Y-m-d_H-i-s\") . '.sql';\n$command = \"mysqldump --opt -h $servername -u $username -p$password $dbname &gt; $backup_file\";\n\nsystem($command);\n?&gt;<\/code><\/pre>\n<h3 id=\"3-%e8%a8%ad%e7%bd%ae%e5%ae%9a%e6%99%82%e4%bb%bb%e5%8b%99-jTotcVVPYB\">3. \u8a2d\u7f6e\u5b9a\u6642\u4efb\u52d9<\/h3>\n<p>\u8981\u5be6\u73fe\u5b9a\u6642\u5099\u4efd\uff0c\u53ef\u4ee5\u4f7f\u7528Linux\u7684`cron`\u4efb\u52d9\u3002\u7de8\u8f2f`crontab`\u6587\u4ef6\uff0c\u6dfb\u52a0\u4ee5\u4e0b\u884c\u4ee5\u6bcf\u5929\u51cc\u66682\u9ede\u57f7\u884c\u5099\u4efd\uff1a<\/p>\n<pre><code>0 2 * * * \/usr\/bin\/php \/path\/to\/your\/backup_script.php<\/code><\/pre>\n<h2 id=\"%e5%82%99%e4%bb%bd%e6%96%87%e4%bb%b6%e7%9a%84%e7%ae%a1%e7%90%86-jTotcVVPYB\">\u5099\u4efd\u6587\u4ef6\u7684\u7ba1\u7406<\/h2>\n<p>\u5099\u4efd\u6587\u4ef6\u6703\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\u800c\u589e\u9577\uff0c\u56e0\u6b64\u9700\u8981\u5b9a\u671f\u6e05\u7406\u820a\u7684\u5099\u4efd\u6587\u4ef6\u3002\u53ef\u4ee5\u5728\u5099\u4efd\u8173\u672c\u4e2d\u6dfb\u52a0\u4ee3\u78bc\u4f86\u522a\u9664\u8d85\u904e\u4e00\u5b9a\u5929\u6578\u7684\u5099\u4efd\u6587\u4ef6\uff1a<\/p>\n<pre><code>&lt;?php\n$files = glob('backup_*.sql'); \/\/ \u7372\u53d6\u6240\u6709\u5099\u4efd\u6587\u4ef6\n$days = 30; \/\/ \u8a2d\u7f6e\u4fdd\u7559\u5929\u6578\n\nforeach ($files as $file) {\n    if (filemtime($file) &lt; time() - $days * 86400) {\n        unlink($file); \/\/ \u522a\u9664\u820a\u6587\u4ef6\n    }\n}\n?&gt;<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-jTotcVVPYB\">\u7d50\u8ad6<\/h2>\n<p>\u901a\u904e\u4f7f\u7528PHP\u5be6\u73fe\u6578\u64da\u5eab\u7684\u5b9a\u6642\u81ea\u52d5\u5099\u4efd\uff0c\u53ef\u4ee5\u6709\u6548\u4fdd\u969c\u6578\u64da\u7684\u5b89\u5168\u6027\u3002\u5b9a\u671f\u5099\u4efd\u4e0d\u50c5\u80fd\u9632\u6b62\u6578\u64da\u4e1f\u5931\uff0c\u9084\u80fd\u5728\u767c\u751f\u610f\u5916\u6642\u5feb\u901f\u6062\u5fa9\u6578\u64da\u3002\u96a8\u8457\u6280\u8853\u7684\u767c\u5c55\uff0c\u5099\u4efd\u7684\u65b9\u5f0f\u4e5f\u5728\u4e0d\u65b7\u6f14\u8b8a\uff0c\u9078\u64c7\u5408\u9069\u7684\u5099\u4efd\u65b9\u6848\u5c0d\u65bc\u6bcf\u500b\u7528\u6236\u4f86\u8aaa\u90fd\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc<em><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/em>\u548c\u6578\u64da\u5b89\u5168\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528PHP\u5be6\u73fe\u6578\u64da\u5eab\u5b9a\u6642\u81ea\u52d5\u5099\u4efd\uff0c\u5feb\u901f\u9ad8\u6548\u4fdd\u969c\u6578\u64da\u5b89\u5168\uff0c\u78ba\u4fdd\u6578\u64da\u5b8c\u6574\u6027\u8207\u53ef\u9760\u6027\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-96604","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96604","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=96604"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96604\/revisions"}],"predecessor-version":[{"id":96605,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96604\/revisions\/96605"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96604"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96604"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96604"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}