{"id":96470,"date":"2024-10-20T09:43:16","date_gmt":"2024-10-20T01:43:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96470\/"},"modified":"2024-10-20T09:43:17","modified_gmt":"2024-10-20T01:43:17","slug":"php%e8%ae%8a%e9%87%8f%e6%95%b8%e6%93%9a%e5%85%a5%e5%ba%ab%e6%93%8d%e4%bd%9c%e6%8a%80%e5%b7%a7-php%e8%ae%8a%e9%87%8f%e5%af%ab%e5%85%a5%e5%af%ab%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/96470\/","title":{"rendered":"PHP\u8b8a\u91cf\u6578\u64da\u5165\u5eab\u64cd\u4f5c\u6280\u5de7 (php\u8b8a\u91cf\u5beb\u5165\u5beb\u6578\u64da\u5eab\u4e2d)"},"content":{"rendered":"<h1 id=\"php%e8%ae%8a%e9%87%8f%e6%95%b8%e6%93%9a%e5%85%a5%e5%ba%ab%e6%93%8d%e4%bd%9c%e6%8a%80%e5%b7%a7-aMWIzhrgnI\">PHP\u8b8a\u91cf\u6578\u64da\u5165\u5eab\u64cd\u4f5c\u6280\u5de7<\/h1>\n<p>\u5728\u73fe\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u4f7f\u7528\u5df2\u6210\u70ba\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002PHP\u4f5c\u70ba\u4e00\u7a2e\u6d41\u884c\u7684\u4f3a\u670d\u5668\u7aef\u8173\u672c\u8a9e\u8a00\uff0c\u7d93\u5e38\u88ab\u7528\u4f86\u8207\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5c07PHP\u8b8a\u91cf\u5beb\u5165\u6578\u64da\u5eab\u7684\u64cd\u4f5c\u6280\u5de7\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u3002<\/p>\n<h2 id=\"1-%e7%92%b0%e5%a2%83%e6%ba%96%e5%82%99-aMWIzhrgnI\">1. \u74b0\u5883\u6e96\u5099<\/h2>\n<p>\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u78ba\u4fdd\u4f60\u5df2\u7d93\u5b89\u88dd\u4e86PHP\u548cMySQL\uff0c\u4e26\u4e14\u6709\u4e00\u500b\u53ef\u7528\u7684\u6578\u64da\u5eab\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u57fa\u672c\u7684\u6b65\u9a5f\uff1a<\/p>\n<ul>\n<li>\u5b89\u88ddPHP\u548cMySQL\u3002<\/li>\n<li>\u5275\u5efa\u4e00\u500b\u6578\u64da\u5eab\uff0c\u4f8b\u5982\uff1a<code>my_database<\/code>\u3002<\/li>\n<li>\u5728\u6578\u64da\u5eab\u4e2d\u5275\u5efa\u4e00\u500b\u8868\uff0c\u4f8b\u5982\uff1a<code>users<\/code>\uff0c\u5176\u7d50\u69cb\u5982\u4e0b\uff1a<\/li>\n<\/ul>\n<pre><code>CREATE TABLE users (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    name VARCHAR(100) NOT NULL,\n    email VARCHAR(100) NOT NULL\n);<\/code><\/pre>\n<h2 id=\"2-%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab-aMWIzhrgnI\">2. \u9023\u63a5\u6578\u64da\u5eab<\/h2>\n<p>\u5728PHP\u4e2d\uff0c\u4f7f\u7528PDO\u6216MySQLi\u4f86\u9023\u63a5\u6578\u64da\u5eab\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528PDO\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>&lt;?php\n$dsn = 'mysql:host=localhost;dbname=my_database';\n$username = 'root';\n$password = 'password';\n\ntry {\n    $pdo = new PDO($dsn, $username, $password);\n    $pdo-&gt;setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);\n} catch (PDOException $e) {\n    echo 'Connection failed: ' . $e-&gt;getMessage();\n}\n?&gt;<\/code><\/pre>\n<h2 id=\"3-%e6%ba%96%e5%82%99%e6%95%b8%e6%93%9a-aMWIzhrgnI\">3. \u6e96\u5099\u6578\u64da<\/h2>\n<p>\u5728\u5c07\u6578\u64da\u5beb\u5165\u6578\u64da\u5eab\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u6e96\u5099\u597d\u8981\u63d2\u5165\u7684\u8b8a\u91cf\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>&lt;?php\n$name = 'John Doe';\n$email = 'john@example.com';\n?&gt;<\/code><\/pre>\n<h2 id=\"4-%e5%af%ab%e5%85%a5%e6%95%b8%e6%93%9a%e5%ba%ab-aMWIzhrgnI\">4. \u5beb\u5165\u6578\u64da\u5eab<\/h2>\n<p>\u4f7f\u7528\u9810\u8655\u7406\u8a9e\u53e5\u4f86\u63d2\u5165\u6578\u64da\uff0c\u9019\u6a23\u53ef\u4ee5\u9632\u6b62SQL\u6ce8\u5165\u653b\u64ca\u3002\u4ee5\u4e0b\u662f\u63d2\u5165\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>&lt;?php\n$sql = 'INSERT INTO users (name, email) VALUES (:name, :email)';\n$stmt = $pdo-&gt;prepare($sql);\n$stmt-&gt;execute(['name' =&gt; $name, 'email' =&gt; $email]);\n?&gt;<\/code><\/pre>\n<h2 id=\"5-%e7%a2%ba%e8%aa%8d%e6%95%b8%e6%93%9a%e6%8f%92%e5%85%a5%e6%88%90%e5%8a%9f-aMWIzhrgnI\">5. \u78ba\u8a8d\u6578\u64da\u63d2\u5165\u6210\u529f<\/h2>\n<p>\u53ef\u4ee5\u901a\u904e\u67e5\u8a62\u6578\u64da\u5eab\u4f86\u78ba\u8a8d\u6578\u64da\u662f\u5426\u6210\u529f\u63d2\u5165\uff1a<\/p>\n<pre><code>&lt;?php\n$sql = 'SELECT * FROM users';\n$stmt = $pdo-&gt;query($sql);\n$users = $stmt-&gt;fetchAll(PDO::FETCH_ASSOC);\n\nforeach ($users as $user) {\n    echo $user['name'] . ' - ' . $user['email'] . '&lt;br&gt;';\n}\n?&gt;<\/code><\/pre>\n<h2 id=\"6-%e9%8c%af%e8%aa%a4%e8%99%95%e7%90%86-aMWIzhrgnI\">6. \u932f\u8aa4\u8655\u7406<\/h2>\n<p>\u5728\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\u6642\uff0c\u932f\u8aa4\u8655\u7406\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u53ef\u4ee5\u4f7f\u7528try-catch\u584a\u4f86\u6355\u7372\u7570\u5e38\uff1a<\/p>\n<pre><code>&lt;?php\ntry {\n    $stmt-&gt;execute(['name' =&gt; $name, 'email' =&gt; $email]);\n} catch (PDOException $e) {\n    echo 'Error: ' . $e-&gt;getMessage();\n}\n?&gt;<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-aMWIzhrgnI\">\u7e3d\u7d50<\/h2>\n<p>\u672c\u6587\u4ecb\u7d39\u4e86\u5982\u4f55\u4f7f\u7528PHP\u5c07\u8b8a\u91cf\u6578\u64da\u5beb\u5165\u6578\u64da\u5eab\u7684\u57fa\u672c\u64cd\u4f5c\u6280\u5de7\uff0c\u5305\u62ec\u74b0\u5883\u6e96\u5099\u3001\u6578\u64da\u5eab\u9023\u63a5\u3001\u6578\u64da\u6e96\u5099\u3001\u6578\u64da\u63d2\u5165\u3001\u78ba\u8a8d\u63d2\u5165\u6210\u529f\u53ca\u932f\u8aa4\u8655\u7406\u7b49\u6b65\u9a5f\u3002\u9019\u4e9b\u6280\u5de7\u5c0d\u65bc\u958b\u767c\u8005\u5728\u65e5\u5e38\u5de5\u4f5c\u4e2d\u7ba1\u7406\u6578\u64da\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<p>\u5982\u679c\u4f60\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u4f60\u7684\u61c9\u7528\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u670d\u52d9\uff0c\u52a9\u4f60\u8f15\u9b06\u7ba1\u7406\u6578\u64da\u5eab\u548c\u61c9\u7528\u7a0b\u5e8f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u638c\u63e1PHP\u8b8a\u91cf\u6578\u64da\u5165\u5eab\u64cd\u4f5c\u6280\u5de7\uff0c\u5b78\u7fd2\u5982\u4f55\u6709\u6548\u5730\u5c07\u8b8a\u91cf\u5beb\u5165\u6578\u64da\u5eab\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-96470","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96470","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=96470"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96470\/revisions"}],"predecessor-version":[{"id":96471,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96470\/revisions\/96471"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96470"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96470"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96470"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}