{"id":179724,"date":"2024-11-09T04:16:18","date_gmt":"2024-11-08T20:16:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/179724\/"},"modified":"2024-11-09T04:16:19","modified_gmt":"2024-11-08T20:16:19","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8-s-%e6%a1%86%e6%9e%b6%e4%b8%ad%e6%ad%a3%e7%a2%ba%e4%bd%bf%e7%94%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e5%b1%a4%e7%9a%84-id%ef%bc%9f-s-%e6%95%b8%e6%93%9a%e5%ba%ab%e5%b1%a4-id","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/179724\/","title":{"rendered":"\u5982\u4f55\u5728 S \u6846\u67b6\u4e2d\u6b63\u78ba\u4f7f\u7528\u6578\u64da\u5eab\u5c64\u7684 ID\uff1f (s \u6578\u64da\u5eab\u5c64 id)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e5%9c%a8-s-%e6%a1%86%e6%9e%b6%e4%b8%ad%e6%ad%a3%e7%a2%ba%e4%bd%bf%e7%94%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e5%b1%a4%e7%9a%84-id%ef%bc%9f-s-%e6%95%b8%e6%93%9a%e5%ba%ab%e5%b1%a4-id-UDzIQAFKrl\">\u5982\u4f55\u5728 S \u6846\u67b6\u4e2d\u6b63\u78ba\u4f7f\u7528\u6578\u64da\u5eab\u5c64\u7684 ID\uff1f (S \u6578\u64da\u5eab\u5c64 ID)<\/h1>\n<p>\u5728\u73fe\u4ee3\u7684\u7db2\u7d61\u61c9\u7528\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u7ba1\u7406\u548c\u64cd\u4f5c\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002S \u6846\u67b6\u4f5c\u70ba\u4e00\u500b\u6d41\u884c\u7684\u958b\u767c\u6846\u67b6\uff0c\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u6578\u64da\u5eab\u5c64\u652f\u6301\uff0c\u8b93\u958b\u767c\u8005\u80fd\u5920\u9ad8\u6548\u5730\u9032\u884c\u6578\u64da\u64cd\u4f5c\u3002\u5728\u9019\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u5011\u5c07\u63a2\u8a0e\u5982\u4f55\u5728 S \u6846\u67b6\u4e2d\u6b63\u78ba\u4f7f\u7528\u6578\u64da\u5eab\u5c64\u7684 ID\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u6700\u4f73\u5be6\u8e10\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-s-%e6%a1%86%e6%9e%b6%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab%e5%b1%a4-id%ef%bc%9f-UDzIQAFKrl\">\u4ec0\u9ebc\u662f S \u6846\u67b6\u7684\u6578\u64da\u5eab\u5c64 ID\uff1f<\/h2>\n<p>\u5728 S \u6846\u67b6\u4e2d\uff0c\u6578\u64da\u5eab\u5c64\u7684 ID \u901a\u5e38\u6307\u7684\u662f\u7528\u65bc\u552f\u4e00\u6a19\u8b58\u6578\u64da\u5eab\u8a18\u9304\u7684\u5b57\u6bb5\u3002\u9019\u4e9b ID \u901a\u5e38\u662f\u81ea\u589e\u7684\u6574\u6578\u6216 UUID\uff08\u901a\u7528\u552f\u4e00\u8b58\u5225\u78bc\uff09\uff0c\u7528\u65bc\u78ba\u4fdd\u6bcf\u689d\u8a18\u9304\u7684\u552f\u4e00\u6027\u3002\u6b63\u78ba\u4f7f\u7528\u9019\u4e9b ID \u5c0d\u65bc\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u67e5\u8a62\u6548\u7387\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e4%bd%bf%e7%94%a8-id-%e9%87%8d%e8%a6%81%ef%bc%9f-UDzIQAFKrl\">\u70ba\u4ec0\u9ebc\u4f7f\u7528 ID \u91cd\u8981\uff1f<\/h2>\n<ul>\n<li><strong>\u552f\u4e00\u6027\uff1a<\/strong>\u6bcf\u500b ID \u90fd\u662f\u552f\u4e00\u7684\uff0c\u9019\u4f7f\u5f97\u6211\u5011\u80fd\u5920\u7cbe\u78ba\u5730\u5b9a\u4f4d\u5230\u7279\u5b9a\u7684\u6578\u64da\u8a18\u9304\u3002<\/li>\n<li><strong>\u6027\u80fd\uff1a<\/strong>\u4f7f\u7528\u6574\u6578\u4f5c\u70ba ID \u901a\u5e38\u6bd4\u4f7f\u7528\u5b57\u7b26\u4e32\u66f4\u9ad8\u6548\uff0c\u56e0\u70ba\u6574\u6578\u7684\u6bd4\u8f03\u901f\u5ea6\u66f4\u5feb\u3002<\/li>\n<li><strong>\u95dc\u806f\u6027\uff1a<\/strong>\u5728\u591a\u8868\u67e5\u8a62\u4e2d\uff0cID \u53ef\u4ee5\u4f5c\u70ba\u5916\u9375\uff0c\u5e6b\u52a9\u5efa\u7acb\u8868\u4e4b\u9593\u7684\u95dc\u806f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%9c%a8-s-%e6%a1%86%e6%9e%b6%e4%b8%ad%e4%bd%bf%e7%94%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e5%b1%a4%e7%9a%84-id%ef%bc%9f-UDzIQAFKrl\">\u5982\u4f55\u5728 S \u6846\u67b6\u4e2d\u4f7f\u7528\u6578\u64da\u5eab\u5c64\u7684 ID\uff1f<\/h2>\n<h3 id=\"1-%e5%ae%9a%e7%be%a9%e6%95%b8%e6%93%9a%e6%a8%a1%e5%9e%8b-UDzIQAFKrl\">1. \u5b9a\u7fa9\u6578\u64da\u6a21\u578b<\/h3>\n<p>\u5728 S \u6846\u67b6\u4e2d\uff0c\u9996\u5148\u9700\u8981\u5b9a\u7fa9\u6578\u64da\u6a21\u578b\uff0c\u9019\u901a\u5e38\u662f\u5728\u4e00\u500b\u985e\u4e2d\u9032\u884c\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u7528\u6236\u6a21\u578b\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nclass User {\n    public $id; \/\/ \u7528\u6236 ID\n    public $name; \/\/ \u7528\u6236\u540d\u7a31\n    public $email; \/\/ \u7528\u6236\u96fb\u5b50\u90f5\u4ef6\n\n    public function __construct($id, $name, $email) {\n        $this-&gt;id = $id;\n        $this-&gt;name = $name;\n        $this-&gt;email = $email;\n    }\n}\n<\/code><\/pre>\n<h3 id=\"2-%e5%89%b5%e5%bb%ba%e6%95%b8%e6%93%9a%e8%a1%a8-UDzIQAFKrl\">2. \u5275\u5efa\u6578\u64da\u8868<\/h3>\n<p>\u5728\u6578\u64da\u5eab\u4e2d\u5275\u5efa\u4e00\u500b\u7528\u6236\u8868\uff0c\u4e26\u8a2d\u7f6e ID \u70ba\u4e3b\u9375\uff1a<\/p>\n<pre><code>\nCREATE TABLE users (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    name VARCHAR(100),\n    email VARCHAR(100)\n);\n<\/code><\/pre>\n<h3 id=\"3-%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a-UDzIQAFKrl\">3. \u63d2\u5165\u6578\u64da<\/h3>\n<p>\u4f7f\u7528 S \u6846\u67b6\u7684\u6578\u64da\u5eab\u5c64\u4f86\u63d2\u5165\u6578\u64da\u6642\uff0c\u901a\u5e38\u4e0d\u9700\u8981\u624b\u52d5\u8a2d\u7f6e ID\uff0c\u56e0\u70ba\u5b83\u662f\u81ea\u589e\u7684\uff1a<\/p>\n<pre><code>\n$db-&gt;insert('users', [\n    'name' =&gt; 'John Doe',\n    'email' =&gt; 'john@example.com'\n]);\n<\/code><\/pre>\n<h3 id=\"4-%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a-UDzIQAFKrl\">4. \u67e5\u8a62\u6578\u64da<\/h3>\n<p>\u67e5\u8a62\u7279\u5b9a\u7528\u6236\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528 ID \u4f86\u7cbe\u78ba\u5b9a\u4f4d\uff1a<\/p>\n<pre><code>\n$user = $db-&gt;select('users', '*', ['id' =&gt; 1]);\n<\/code><\/pre>\n<h3 id=\"5-%e6%9b%b4%e6%96%b0%e6%95%b8%e6%93%9a-UDzIQAFKrl\">5. \u66f4\u65b0\u6578\u64da<\/h3>\n<p>\u66f4\u65b0\u7528\u6236\u4fe1\u606f\u6642\uff0c\u53ef\u4ee5\u901a\u904e ID \u4f86\u6307\u5b9a\u8981\u66f4\u65b0\u7684\u8a18\u9304\uff1a<\/p>\n<pre><code>\n$db-&gt;update('users', [\n    'email' =&gt; 'john.doe@example.com'\n], ['id' =&gt; 1]);\n<\/code><\/pre>\n<h3 id=\"6-%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a-UDzIQAFKrl\">6. \u522a\u9664\u6578\u64da<\/h3>\n<p>\u522a\u9664\u7279\u5b9a\u7528\u6236\u6642\uff0c\u540c\u6a23\u53ef\u4ee5\u4f7f\u7528 ID \u4f86\u78ba\u4fdd\u6b63\u78ba\u7684\u8a18\u9304\u88ab\u522a\u9664\uff1a<\/p>\n<pre><code>\n$db-&gt;delete('users', ['id' =&gt; 1]);\n<\/code><\/pre>\n<h2 id=\"%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-UDzIQAFKrl\">\u6700\u4f73\u5be6\u8e10<\/h2>\n<ul>\n<li>\u59cb\u7d42\u4f7f\u7528\u81ea\u589e ID \u6216 UUID \u4f86\u78ba\u4fdd\u552f\u4e00\u6027\u3002<\/li>\n<li>\u5728\u9032\u884c\u6578\u64da\u64cd\u4f5c\u6642\uff0c\u52d9\u5fc5\u6aa2\u67e5 ID \u7684\u6709\u6548\u6027\uff0c\u4ee5\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u932f\u8aa4\u3002<\/li>\n<li>\u8003\u616e\u4f7f\u7528\u4e8b\u52d9\u4f86\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\uff0c\u7279\u5225\u662f\u5728\u6d89\u53ca\u591a\u500b\u8868\u7684\u64cd\u4f5c\u6642\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-UDzIQAFKrl\">\u7e3d\u7d50<\/h2>\n<p>\u5728 S \u6846\u67b6\u4e2d\u6b63\u78ba\u4f7f\u7528\u6578\u64da\u5eab\u5c64\u7684 ID \u662f\u958b\u767c\u9ad8\u6548\u3001\u7a69\u5b9a\u61c9\u7528\u7684\u95dc\u9375\u3002\u901a\u904e\u9075\u5faa\u4e0a\u8ff0\u6b65\u9a5f\u548c\u6700\u4f73\u5be6\u8e10\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u67e5\u8a62\u7684\u9ad8\u6548\u6027\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728 S \u6846\u67b6\u4e2d\u6b63\u78ba\u4f7f\u7528\u6578\u64da\u5eab\u5c64\u7684 ID\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u8207\u5b89\u5168\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-179724","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179724","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=179724"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179724\/revisions"}],"predecessor-version":[{"id":179725,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179724\/revisions\/179725"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=179724"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=179724"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=179724"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}