{"id":180472,"date":"2024-11-09T10:33:17","date_gmt":"2024-11-09T02:33:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/180472\/"},"modified":"2024-11-09T10:33:18","modified_gmt":"2024-11-09T02:33:18","slug":"%e6%b7%b1%e5%85%a5%e6%8e%a2%e7%a9%b6%ef%bc%9a%e5%a6%82%e4%bd%95%e5%b0%87session%e5%ad%98%e5%84%b2%e5%88%b0%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%ef%bc%9f-session%e6%80%8e%e9%ba%bc%e4%bf%9d%e5%ad%98","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/180472\/","title":{"rendered":"\u6df1\u5165\u63a2\u7a76\uff1a\u5982\u4f55\u5c07Session\u5b58\u5132\u5230\u6578\u64da\u5eab\u4e2d\uff1f (session\u600e\u9ebc\u4fdd\u5b58\u5230\u6578\u64da\u5eab\u4e2d)"},"content":{"rendered":"<h1 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id=\"%e5%a6%82%e4%bd%95%e5%b0%87session%e5%ad%98%e5%84%b2%e5%88%b0%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%ef%bc%9f-qOZzRJTsZc\">\u5982\u4f55\u5c07Session\u5b58\u5132\u5230\u6578\u64da\u5eab\u4e2d\uff1f<\/h2>\n<p>\u5c07Session\u5b58\u5132\u5230\u6578\u64da\u5eab\u4e2d\u901a\u5e38\u6d89\u53ca\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e8%a8%ad%e8%a8%88%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8-qOZzRJTsZc\">1. \u8a2d\u8a08\u6578\u64da\u5eab\u8868<\/h3>\n<p>\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u8a2d\u8a08\u4e00\u500b\u6578\u64da\u5eab\u8868\u4f86\u5b58\u5132Session\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u8868\u7d50\u69cb\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nCREATE TABLE sessions (\n    id VARCHAR(255) PRIMARY KEY,\n    data TEXT NOT NULL,\n    last_accessed TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP\n);\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u8868\u4e2d\uff0c<code>id<\/code>\u7528\u65bc\u552f\u4e00\u6a19\u8b58Session\uff0c<code>data<\/code>\u7528\u65bc\u5b58\u5132Session\u7684\u5167\u5bb9\uff0c\u800c<code>last_accessed<\/code>\u5247\u8a18\u9304\u6700\u5f8c\u8a2a\u554f\u7684\u6642\u9593\u3002<\/p>\n<h3 id=\"2-%e5%af%a6%e7%8f%besession%e7%9a%84%e5%ad%98%e5%84%b2%e5%92%8c%e8%ae%80%e5%8f%96-qOZzRJTsZc\">2. \u5be6\u73feSession\u7684\u5b58\u5132\u548c\u8b80\u53d6<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u9700\u8981\u5728\u61c9\u7528\u7a0b\u5e8f\u4e2d\u5be6\u73fe\u5c07Session\u6578\u64da\u5b58\u5132\u5230\u6578\u64da\u5eab\u7684\u908f\u8f2f\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528PHP\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nsession_start();\n\nfunction saveSessionToDatabase($sessionId, $sessionData) {\n    $db = new PDO('mysql:host=localhost;dbname=testdb', 'username', 'password');\n    $stmt = $db-&gt;prepare(\"REPLACE INTO sessions (id, data) VALUES (:id, :data)\");\n    $stmt-&gt;bindParam(':id', $sessionId);\n    $stmt-&gt;bindParam(':data', serialize($sessionData));\n    $stmt-&gt;execute();\n}\n\nfunction loadSessionFromDatabase($sessionId) {\n    $db = new PDO('mysql:host=localhost;dbname=testdb', 'username', 'password');\n    $stmt = $db-&gt;prepare(\"SELECT data FROM sessions WHERE id = :id\");\n    $stmt-&gt;bindParam(':id', $sessionId);\n    $stmt-&gt;execute();\n    $result = $stmt-&gt;fetch(PDO::FETCH_ASSOC);\n    return $result ? unserialize($result['data']) : [];\n}\n\n\/\/ \u5728\u6bcf\u6b21\u8acb\u6c42\u6642\u4fdd\u5b58\u548c\u52a0\u8f09Session\n$sessionId = session_id();\nsaveSessionToDatabase($sessionId, $_SESSION);\n$_SESSION = loadSessionFromDatabase($sessionId);\n<\/code><\/pre>\n<h3 id=\"3-%e6%b8%85%e7%90%86%e9%81%8e%e6%9c%9f%e7%9a%84session-qOZzRJTsZc\">3. \u6e05\u7406\u904e\u671f\u7684Session<\/h3>\n<p>\u70ba\u4e86\u4fdd\u6301\u6578\u64da\u5eab\u7684\u6574\u6f54\uff0c\u6211\u5011\u9700\u8981\u5b9a\u671f\u6e05\u7406\u904e\u671f\u7684Session\u3002\u53ef\u4ee5\u901a\u904e\u8a2d\u7f6e\u4e00\u500b\u5b9a\u6642\u4efb\u52d9\u4f86\u5be6\u73fe\uff1a<\/p>\n<pre><code>\nDELETE FROM sessions WHERE last_accessed &lt; NOW() - INTERVAL 30 MINUTE;\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-qOZzRJTsZc\">\u7e3d\u7d50<\/h2>\n<p>\u5c07Session\u5b58\u5132\u5230\u6578\u64da\u5eab\u4e2d\u662f\u4e00\u7a2e\u6709\u6548\u7684\u7ba1\u7406\u7528\u6236\u72c0\u614b\u4fe1\u606f\u7684\u65b9\u6cd5\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u6301\u4e45\u6027\u548c\u64f4\u5c55\u6027\u7684\u61c9\u7528\u4e2d\u3002\u901a\u904e\u8a2d\u8a08\u5408\u9069\u7684\u6578\u64da\u5eab\u8868\u3001\u5be6\u73fe\u5b58\u5132\u548c\u8b80\u53d6\u908f\u8f2f\uff0c\u4ee5\u53ca\u5b9a\u671f\u6e05\u7406\u904e\u671f\u7684Session\uff0c\u53ef\u4ee5\u78ba\u4fdd\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\uff0cServer.HK 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