{"id":202470,"date":"2025-05-13T13:45:48","date_gmt":"2025-05-13T05:45:48","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202470\/"},"modified":"2025-05-13T13:45:48","modified_gmt":"2025-05-13T05:45:48","slug":"%e5%a6%82%e4%bd%95%e4%bc%98%e5%8c%96php%e5%87%bd%e6%95%b0%e4%b8%ad%e7%9a%84%e6%95%b0%e6%8d%ae%e5%ba%93%e6%9f%a5%e8%af%a2%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202470\/","title":{"rendered":"\u5982\u4f55\u4f18\u5316php\u51fd\u6570\u4e2d\u7684\u6570\u636e\u5e93\u67e5\u8be2\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u5982\u4f55\u4f18\u5316php\u51fd\u6570\u4e2d\u7684\u6570\u636e\u5e93\u67e5\u8be2\uff1f<\/h1>\n<p>\u5728IT\u884c\u4e1a\u8fd9\u4e2a\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u5f88\u5feb\u7684\u884c\u4e1a\uff0c\u53ea\u6709\u4e0d\u505c\u6b62\u7684\u5b66\u4e60\uff0c\u624d\u4e0d\u4f1a\u88ab\u884c\u4e1a\u6240\u6dd8\u6c70\u3002\u5982\u679c\u4f60\u662f\u6587\u7ae0\u5b66\u4e60\u8005\uff0c\u90a3\u4e48\u672c\u6587\u300a\u5982\u4f55\u4f18\u5316php\u51fd\u6570\u4e2d\u7684\u6570\u636e\u5e93\u67e5\u8be2\uff1f\u300b\u5c31\u5f88\u9002\u5408\u4f60\uff01\u672c\u7bc7\u5185\u5bb9\u4e3b\u8981\u5305\u62ec##content_title##\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241025\/1729836949671b3795dc3f2.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u4f18\u5316 PHP \u51fd\u6570\u4e2d\u7684\u6570\u636e\u5e93\u67e5\u8be2<\/strong><\/p>\n<p>\u67e5\u8be2\u4f18\u5316\u5bf9\u4e8e\u63d0\u5347 Web \u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002\u901a\u8fc7\u4f18\u5316 PHP \u51fd\u6570\u4e2d\u7684\u6570\u636e\u5e93\u67e5\u8be2\uff0c\u6211\u4eec\u53ef\u4ee5\u663e\u7740\u51cf\u5c11\u9875\u9762\u52a0\u8f7d\u65f6\u95f4\u5e76\u63d0\u9ad8\u6574\u4f53\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n<p><strong>\u4f7f\u7528\u9884\u5904\u7406\u8bed\u53e5<\/strong><\/p>\n<p>\u9884\u5904\u7406\u8bed\u53e5\u662f\u9632\u6b62 SQL \u6ce8\u5165\u653b\u51fb\u7684\u6807\u51c6\u65b9\u5f0f\u3002\u5b83\u8fd8\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8be2\u6027\u80fd\uff0c\u56e0\u4e3a\u5b83\u5141\u8bb8\u6570\u636e\u5e93\u63d0\u524d\u7f16\u8bd1\u67e5\u8be2\u5e76\u7f13\u5b58\u6267\u884c\u8ba1\u5212\u3002<\/p>\n<pre>\/\/ \u4f7f\u7528 PDO \u9884\u5904\u7406\u8bed\u53e5\n$stmt = $db-&gt;prepare(\"SELECT * FROM users WHERE name = ?\");\n$stmt-&gt;execute([$name]);\n\n\/\/ \u4f7f\u7528 MySQLi \u9884\u5904\u7406\u8bed\u53e5\n$stmt = $mysqli-&gt;prepare(\"SELECT * FROM users WHERE name = ?\");\n$stmt-&gt;bind_param(\"s\", $name);\n$stmt-&gt;execute();<\/pre>\n<p><strong>\u4f7f\u7528\u7d22\u5f15<\/strong><\/p>\n<p>\u7d22\u5f15\u662f\u6570\u636e\u5e93\u8868\u4e2d\u7684\u7279\u6b8a\u6570\u636e\u7ed3\u6784\uff0c\u53ef\u52a0\u901f\u7279\u5b9a\u5217\u6216\u5217\u7ec4\u5408\u7684\u67e5\u8be2\u3002\u5728\u7ecf\u5e38\u67e5\u8be2\u7684\u5217\u4e0a\u521b\u5efa\u7d22\u5f15\u53ef\u4ee5\u663e\u7740\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<pre>CREATE INDEX index_name ON table_name (column_name);<\/pre>\n<p><strong>\u9650\u5236\u7ed3\u679c\u96c6<\/strong><\/p>\n<p>\u5982\u679c\u67e5\u8be2\u7ed3\u679c\u96c6\u5f88\u5927\uff0c\u5219\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528 <code>LIMIT<\/code> \u5b50\u53e5\u6765\u9650\u5236\u8fd4\u56de\u7684\u884c\u6570\u3002\u8fd9\u5bf9\u4e8e\u8fd4\u56de\u5206\u9875\u7ed3\u679c\u6216\u51cf\u5c11\u6570\u636e\u4f20\u8f93\u91cf\u975e\u5e38\u6709\u7528\u3002<\/p>\n<pre>SELECT * FROM users LIMIT 10;<\/pre>\n<p><strong>\u4f7f\u7528\u7f13\u5b58<\/strong><\/p>\n<p>\u7f13\u5b58\u6570\u636e\u5e93\u67e5\u8be2\u7ed3\u679c\u53ef\u4ee5\u907f\u514d\u91cd\u590d\u6267\u884c\u76f8\u540c\u7684\u67e5\u8be2\u3002PHP \u63d0\u4f9b\u4e86\u5185\u7f6e\u7684\u7f13\u5b58\u673a\u5236\uff0c\u5982 <code>APC<\/code> \u548c <code>Memcache<\/code>\u3002<\/p>\n<pre>\/\/ \u4f7f\u7528 APC \u7f13\u5b58\u67e5\u8be2\u7ed3\u679c\n$cacheKey = md5($query);\nif (($result = apc_fetch($cacheKey)) === false) {\n    $result = $db-&gt;query($query);\n    apc_store($cacheKey, $result, 60);\n}<\/pre>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p><strong>\u95ee\u9898\uff1a<\/strong>\u4e00\u4e2a PHP \u51fd\u6570\u9700\u8981\u67e5\u8be2\u4e00\u4e2a\u5305\u542b\u6570\u5343\u884c\u7684\u5927\u578b\u7528\u6237\u8868\u3002<\/p>\n<p><strong>\u89e3\u51b3\u65b9\u6848\uff1a<\/strong><\/p>\n<ul>\n<li>\u5728 <code>name<\/code> \u5217\u4e0a\u521b\u5efa\u4e00\u4e2a\u7d22\u5f15\u3002<\/li>\n<li>\u4f7f\u7528\u9884\u5904\u7406\u8bed\u53e5\u6765\u9632\u6b62 SQL \u6ce8\u5165\u3002<\/li>\n<li>\u6839\u636e\u9700\u8981\u9650\u5236\u8fd4\u56de\u7684\u884c\u6570\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u4e9b\u4f18\u5316\u63aa\u65bd\u663e\u7740\u6539\u5584\u4e86\u51fd\u6570\u7684\u67e5\u8be2\u6027\u80fd\uff0c\u5c06\u6267\u884c\u65f6\u95f4\u4ece\u6570\u79d2\u51cf\u5c11\u5230\u6beb\u79d2\u7ea7\u3002<\/p>\n<p>\u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300a\u5982\u4f55\u4f18\u5316php\u51fd\u6570\u4e2d\u7684\u6570\u636e\u5e93\u67e5\u8be2\uff1f\u300b\uff0c\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u7ed9\u5927\u5bb6\u5206\u4eab\u66f4\u591a\u6587\u7ae0\u77e5\u8bc6\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u4f18\u5316php\u51fd\u6570\u4e2d\u7684\u6570\u636e\u5e93\u67e5\u8be2&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-202470","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202470","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=202470"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202470\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202470"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202470"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202470"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}