{"id":96522,"date":"2024-10-20T10:09:18","date_gmt":"2024-10-20T02:09:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96522\/"},"modified":"2024-10-20T10:09:19","modified_gmt":"2024-10-20T02:09:19","slug":"php%e6%95%99%e7%a8%8b%ef%bc%9a%e6%a7%8b%e5%bb%ba%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e8%a9%b3%e7%b4%b0%e9%81%8e%e7%a8%8b-php%e6%80%8e%e6%a8%a3%e5%bb%ba%e7%ab%8b%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/96522\/","title":{"rendered":"PHP\u6559\u7a0b\uff1a\u69cb\u5efa\u6578\u64da\u5eab\u7684\u8a73\u7d30\u904e\u7a0b (php\u600e\u6a23\u5efa\u7acb\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"php%e6%95%99%e7%a8%8b%ef%bc%9a%e6%a7%8b%e5%bb%ba%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e8%a9%b3%e7%b4%b0%e9%81%8e%e7%a8%8b-SCSLlEEoTb\">PHP\u6559\u7a0b\uff1a\u69cb\u5efa\u6578\u64da\u5eab\u7684\u8a73\u7d30\u904e\u7a0b<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u662f\u61c9\u7528\u7a0b\u5e8f\u7684\u6838\u5fc3\u7d44\u4ef6\u4e4b\u4e00\u3002PHP\u4f5c\u70ba\u4e00\u7a2e\u6d41\u884c\u7684\u670d\u52d9\u5668\u7aef\u8173\u672c\u8a9e\u8a00\uff0c\u7d93\u5e38\u8207\u6578\u64da\u5eab\u4e00\u8d77\u4f7f\u7528\uff0c\u7279\u5225\u662fMySQL\u3002\u672c\u6587\u5c07\u8a73\u7d30\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528PHP\u4f86\u69cb\u5efa\u6578\u64da\u5eab\u7684\u904e\u7a0b\uff0c\u4e26\u63d0\u4f9b\u5be6\u7528\u7684\u4ee3\u78bc\u793a\u4f8b\u3002<\/p>\n<h2 id=\"1-%e7%a2%ba%e4%bf%9d%e7%92%b0%e5%a2%83%e8%a8%ad%e7%bd%ae-SCSLlEEoTb\">1. \u78ba\u4fdd\u74b0\u5883\u8a2d\u7f6e<\/h2>\n<p>\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u60a8\u7684\u958b\u767c\u74b0\u5883\u5df2\u7d93\u8a2d\u7f6e\u597d\u3002\u60a8\u9700\u8981\u5b89\u88dd\u4ee5\u4e0b\u7d44\u4ef6\uff1a<\/p>\n<ul>\n<li>PHP<\/li>\n<li>MySQL\u6216MariaDB<\/li>\n<li>\u4e00\u500bWeb\u4f3a\u670d\u5668\uff08\u5982Apache\u6216Nginx\uff09<\/li>\n<\/ul>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528\u50cfXAMPP\u6216MAMP\u9019\u6a23\u7684\u96c6\u6210\u74b0\u5883\u4f86\u7c21\u5316\u5b89\u88dd\u904e\u7a0b\u3002<\/p>\n<h2 id=\"2-%e9%80%a3%e6%8e%a5%e5%88%b0%e6%95%b8%e6%93%9a%e5%ba%ab-SCSLlEEoTb\">2. \u9023\u63a5\u5230\u6578\u64da\u5eab<\/h2>\n<p>\u5728PHP\u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528mysqli\u6216PDO\u64f4\u5c55\u4f86\u9023\u63a5\u5230MySQL\u6578\u64da\u5eab\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528mysqli\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>&lt;?php\n$servername = \"localhost\";\n$username = \"username\";\n$password = \"password\";\n\n\/\/ \u5275\u5efa\u9023\u63a5\n$conn = new mysqli($servername, $username, $password);\n\n\/\/ \u6aa2\u67e5\u9023\u63a5\nif ($conn-&gt;connect_error) {\n    die(\"\u9023\u63a5\u5931\u6557: \" . $conn-&gt;connect_error);\n}\necho \"\u6210\u529f\u9023\u63a5\u5230\u6578\u64da\u5eab\";\n?&gt;<\/code><\/pre>\n<h2 id=\"3-%e5%89%b5%e5%bb%ba%e6%95%b8%e6%93%9a%e5%ba%ab-SCSLlEEoTb\">3. \u5275\u5efa\u6578\u64da\u5eab<\/h2>\n<p>\u4e00\u65e6\u6210\u529f\u9023\u63a5\u5230MySQL\u4f3a\u670d\u5668\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u4f86\u5275\u5efa\u6578\u64da\u5eab\uff1a<\/p>\n<pre><code>CREATE DATABASE my_database;<\/code><\/pre>\n<p>\u5728PHP\u4e2d\uff0c\u60a8\u53ef\u4ee5\u9019\u6a23\u57f7\u884c\u9019\u500b\u8a9e\u53e5\uff1a<\/p>\n<pre><code>&lt;?php\n$sql = \"CREATE DATABASE my_database\";\nif ($conn-&gt;query($sql) === TRUE) {\n    echo \"\u6578\u64da\u5eab\u5275\u5efa\u6210\u529f\";\n} else {\n    echo \"\u932f\u8aa4\u5275\u5efa\u6578\u64da\u5eab: \" . $conn-&gt;error;\n}\n?&gt;<\/code><\/pre>\n<h2 id=\"4-%e5%89%b5%e5%bb%ba%e6%95%b8%e6%93%9a%e8%a1%a8-SCSLlEEoTb\">4. \u5275\u5efa\u6578\u64da\u8868<\/h2>\n<p>\u5275\u5efa\u6578\u64da\u5eab\u5f8c\uff0c\u60a8\u9700\u8981\u5728\u6578\u64da\u5eab\u4e2d\u5275\u5efa\u6578\u64da\u8868\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u4e00\u500b\u540d\u70ba\u201cusers\u201d\u7684\u6578\u64da\u8868\u7684SQL\u8a9e\u53e5\uff1a<\/p>\n<pre><code>CREATE TABLE users (\n    id INT(6) UNSIGNED AUTO_INCREMENT PRIMARY KEY,\n    username VARCHAR(30) NOT NULL,\n    email VARCHAR(50),\n    reg_date TIMESTAMP\n);<\/code><\/pre>\n<p>\u5728PHP\u4e2d\u57f7\u884c\u9019\u500b\u8a9e\u53e5\u7684\u4ee3\u78bc\u5982\u4e0b\uff1a<\/p>\n<pre><code>&lt;?php\n$conn-&gt;select_db(\"my_database\");\n\n$sql = \"CREATE TABLE users (\n    id INT(6) UNSIGNED AUTO_INCREMENT PRIMARY KEY,\n    username VARCHAR(30) NOT NULL,\n    email VARCHAR(50),\n    reg_date TIMESTAMP\n)\";\n\nif ($conn-&gt;query($sql) === TRUE) {\n    echo \"\u6578\u64da\u8868\u5275\u5efa\u6210\u529f\";\n} else {\n    echo \"\u932f\u8aa4\u5275\u5efa\u6578\u64da\u8868: \" . $conn-&gt;error;\n}\n?&gt;<\/code><\/pre>\n<h2 id=\"5-%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a-SCSLlEEoTb\">5. \u63d2\u5165\u6578\u64da<\/h2>\n<p>\u5275\u5efa\u6578\u64da\u8868\u5f8c\uff0c\u60a8\u53ef\u4ee5\u958b\u59cb\u63d2\u5165\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u63d2\u5165\u6578\u64da\u7684SQL\u8a9e\u53e5\uff1a<\/p>\n<pre><code>INSERT INTO users (username, email) VALUES ('JohnDoe', 'john@example.com');<\/code><\/pre>\n<p>\u5728PHP\u4e2d\u57f7\u884c\u9019\u500b\u8a9e\u53e5\u7684\u4ee3\u78bc\u5982\u4e0b\uff1a<\/p>\n<pre><code>&lt;?php\n$sql = \"INSERT INTO users (username, email) VALUES ('JohnDoe', 'john@example.com')\";\nif ($conn-&gt;query($sql) === TRUE) {\n    echo \"\u65b0\u8a18\u9304\u5275\u5efa\u6210\u529f\";\n} else {\n    echo \"\u932f\u8aa4: \" . $sql . \"&lt;br&gt;\" . $conn-&gt;error;\n}\n?&gt;<\/code><\/pre>\n<h2 id=\"6-%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a-SCSLlEEoTb\">6. \u67e5\u8a62\u6578\u64da<\/h2>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528SELECT\u8a9e\u53e5\u4f86\u67e5\u8a62\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u67e5\u8a62\u6240\u6709\u7528\u6236\u7684SQL\u8a9e\u53e5\uff1a<\/p>\n<pre><code>SELECT * FROM users;<\/code><\/pre>\n<p>\u5728PHP\u4e2d\u57f7\u884c\u9019\u500b\u8a9e\u53e5\u7684\u4ee3\u78bc\u5982\u4e0b\uff1a<\/p>\n<pre><code>&lt;?php\n$sql = \"SELECT * FROM users\";\n$result = $conn-&gt;query($sql);\n\nif ($result-&gt;num_rows &gt; 0) {\n    \/\/ \u8f38\u51fa\u6bcf\u884c\u6578\u64da\n    while($row = $result-&gt;fetch_assoc()) {\n        echo \"id: \" . $row[\"id\"]. \" - Name: \" . $row[\"username\"]. \" - Email: \" . $row[\"email\"]. \"&lt;br&gt;\";\n    }\n} else {\n    echo \"0 \u7d50\u679c\";\n}\n?&gt;<\/code><\/pre>\n<h2 id=\"7-%e9%97%9c%e9%96%89%e9%80%a3%e6%8e%a5-SCSLlEEoTb\">7. \u95dc\u9589\u9023\u63a5<\/h2>\n<p>\u5b8c\u6210\u6240\u6709\u64cd\u4f5c\u5f8c\uff0c\u8a18\u5f97\u95dc\u9589\u6578\u64da\u5eab\u9023\u63a5\uff1a<\/p>\n<pre><code>&lt;?php\n$conn-&gt;close();\n?&gt;<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-SCSLlEEoTb\">\u7e3d\u7d50<\/h2>\n<p>\u672c\u6587\u4ecb\u7d39\u4e86\u5982\u4f55\u4f7f\u7528PHP\u4f86\u69cb\u5efa\u6578\u64da\u5eab\u7684\u8a73\u7d30\u904e\u7a0b\uff0c\u5305\u62ec\u9023\u63a5\u6578\u64da\u5eab\u3001\u5275\u5efa\u6578\u64da\u5eab\u548c\u6578\u64da\u8868\u3001\u63d2\u5165\u548c\u67e5\u8a62\u6578\u64da\u7b49\u6b65\u9a5f\u3002\u9019\u4e9b\u57fa\u672c\u64cd\u4f5c\u662f\u958b\u767c\u4efb\u4f55\u57fa\u65bc\u6578\u64da\u5eab\u7684\u61c9\u7528\u7a0b\u5e8f\u7684\u57fa\u790e\u3002\u82e5\u60a8\u9700\u8981\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u4f86\u904b\u884c\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528PHP\u5efa\u7acb\u6578\u64da\u5eab\u7684\u8a73\u7d30\u904e\u7a0b\uff0c\u5f9e\u8a2d\u7f6e\u5230\u64cd\u4f5c\uff0c\u5e6b\u52a9\u4f60\u8f15\u9b06\u638c\u63e1\u6578\u64da\u5eab\u7ba1\u7406\u6280\u5de7\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-96522","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96522","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=96522"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96522\/revisions"}],"predecessor-version":[{"id":96523,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96522\/revisions\/96523"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96522"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96522"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96522"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}