{"id":183922,"date":"2024-11-10T08:51:21","date_gmt":"2024-11-10T00:51:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/183922\/"},"modified":"2024-11-10T08:51:22","modified_gmt":"2024-11-10T00:51:22","slug":"%e4%bd%bf%e7%94%a8pdo%e5%af%a6%e7%8f%be%e6%9b%b4%e6%96%b0%e5%85%a9%e5%80%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%93%8d%e4%bd%9c-pdo%e6%9b%b4%e6%96%b0%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/183922\/","title":{"rendered":"\u4f7f\u7528PDO\u5be6\u73fe\u66f4\u65b0\u5169\u500b\u6578\u64da\u5eab\u7684\u64cd\u4f5c (pdo\u66f4\u65b0\u6578\u64da\u5eab\u4e2d\u7684\u5169\u500b\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"%e4%bd%bf%e7%94%a8pdo%e5%af%a6%e7%8f%be%e6%9b%b4%e6%96%b0%e5%85%a9%e5%80%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%93%8d%e4%bd%9c-BAjbBFvUZd\">\u4f7f\u7528PDO\u5be6\u73fe\u66f4\u65b0\u5169\u500b\u6578\u64da\u5eab\u7684\u64cd\u4f5c<\/h1>\n<p>\u5728\u73fe\u4ee3\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u64cd\u4f5c\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u7576\u9700\u8981\u540c\u6642\u66f4\u65b0\u5169\u500b\u6578\u64da\u5eab\u6642\uff0c\u4f7f\u7528PHP\u7684PDO\uff08PHP Data Objects\uff09\u64f4\u5c55\u53ef\u4ee5\u63d0\u4f9b\u4e00\u500b\u5b89\u5168\u4e14\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528PDO\u4f86\u5be6\u73fe\u66f4\u65b0\u5169\u500b\u6578\u64da\u5eab\u7684\u64cd\u4f5c\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u4ee3\u78bc\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afpdo%ef%bc%9f-BAjbBFvUZd\">\u4ec0\u9ebc\u662fPDO\uff1f<\/h2>\n<p>PDO\u662f\u4e00\u500b\u8f15\u91cf\u7d1a\u7684\u6578\u64da\u5eab\u62bd\u8c61\u5c64\uff0c\u5141\u8a31\u958b\u767c\u8005\u4ee5\u4e00\u81f4\u7684\u65b9\u5f0f\u8a2a\u554f\u591a\u7a2e\u6578\u64da\u5eab\u3002\u5b83\u652f\u6301\u591a\u7a2e\u6578\u64da\u5eab\u7cfb\u7d71\uff0c\u5305\u62ecMySQL\u3001PostgreSQL\u3001SQLite\u7b49\u3002\u4f7f\u7528PDO\u7684\u4e3b\u8981\u512a\u52e2\u5728\u65bc\u5176\u63d0\u4f9b\u4e86\u9810\u8655\u7406\u8a9e\u53e5\uff0c\u9019\u4e0d\u50c5\u63d0\u9ad8\u4e86\u6027\u80fd\uff0c\u9084\u589e\u5f37\u4e86\u5b89\u5168\u6027\uff0c\u9632\u6b62SQL\u6ce8\u5165\u653b\u64ca\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e6%9b%b4%e6%96%b0%e5%85%a9%e5%80%8b%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f-BAjbBFvUZd\">\u70ba\u4ec0\u9ebc\u9700\u8981\u66f4\u65b0\u5169\u500b\u6578\u64da\u5eab\uff1f<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u61c9\u7528\u7a0b\u5e8f\u53ef\u80fd\u9700\u8981\u5728\u4e0d\u540c\u7684\u6578\u64da\u5eab\u4e2d\u4fdd\u6301\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002\u4f8b\u5982\uff0c\u7576\u4e00\u500b\u61c9\u7528\u7a0b\u5e8f\u9700\u8981\u5c07\u7528\u6236\u7684\u8cc7\u6599\u66f4\u65b0\u5230\u4e3b\u6578\u64da\u5eab\u548c\u5099\u4efd\u6578\u64da\u5eab\u6642\uff0c\u9019\u7a2e\u9700\u6c42\u5c31\u6703\u51fa\u73fe\u3002\u78ba\u4fdd\u9019\u5169\u500b\u6578\u64da\u5eab\u7684\u6578\u64da\u4e00\u81f4\u6027\u5c0d\u65bc\u6578\u64da\u5b8c\u6574\u6027\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8pdo%e6%9b%b4%e6%96%b0%e5%85%a9%e5%80%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%ad%a5%e9%a9%9f-BAjbBFvUZd\">\u4f7f\u7528PDO\u66f4\u65b0\u5169\u500b\u6578\u64da\u5eab\u7684\u6b65\u9a5f<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528PDO\u66f4\u65b0\u5169\u500b\u6578\u64da\u5eab\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<ol>\n<li>\u5efa\u7acbPDO\u9023\u63a5\u5230\u5169\u500b\u6578\u64da\u5eab\u3002<\/li>\n<li>\u958b\u59cb\u4e00\u500b\u4e8b\u52d9\u3002<\/li>\n<li>\u57f7\u884c\u66f4\u65b0\u64cd\u4f5c\u3002<\/li>\n<li>\u63d0\u4ea4\u4e8b\u52d9\u6216\u56de\u6efe\u4e8b\u52d9\u3002<\/li>\n<\/ol>\n<h3 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-BAjbBFvUZd\">\u793a\u4f8b\u4ee3\u78bc<\/h3>\n<pre><code>\ntry {\n    \/\/ \u9023\u63a5\u5230\u7b2c\u4e00\u500b\u6578\u64da\u5eab\n    $db1 = new PDO('mysql:host=localhost;dbname=database1', 'username', 'password');\n    $db1-&gt;setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);\n\n    \/\/ \u9023\u63a5\u5230\u7b2c\u4e8c\u500b\u6578\u64da\u5eab\n    $db2 = new PDO('mysql:host=localhost;dbname=database2', 'username', 'password');\n    $db2-&gt;setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);\n\n    \/\/ \u958b\u59cb\u4e8b\u52d9\n    $db1-&gt;beginTransaction();\n    $db2-&gt;beginTransaction();\n\n    \/\/ \u66f4\u65b0\u7b2c\u4e00\u500b\u6578\u64da\u5eab\n    $stmt1 = $db1-&gt;prepare(\"UPDATE users SET name = :name WHERE id = :id\");\n    $stmt1-&gt;execute([':name' =&gt; '\u65b0\u540d\u5b57', ':id' =&gt; 1]);\n\n    \/\/ \u66f4\u65b0\u7b2c\u4e8c\u500b\u6578\u64da\u5eab\n    $stmt2 = $db2-&gt;prepare(\"UPDATE users SET name = :name WHERE id = :id\");\n    $stmt2-&gt;execute([':name' =&gt; '\u65b0\u540d\u5b57', ':id' =&gt; 1]);\n\n    \/\/ \u63d0\u4ea4\u4e8b\u52d9\n    $db1-&gt;commit();\n    $db2-&gt;commit();\n\n    echo \"\u5169\u500b\u6578\u64da\u5eab\u66f4\u65b0\u6210\u529f\uff01\";\n} catch (Exception $e) {\n    \/\/ \u56de\u6efe\u4e8b\u52d9\n    $db1-&gt;rollBack();\n    $db2-&gt;rollBack();\n    echo \"\u66f4\u65b0\u5931\u6557: \" . $e-&gt;getMessage();\n}\n<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-BAjbBFvUZd\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u9032\u884c\u591a\u6578\u64da\u5eab\u64cd\u4f5c\u6642\uff0c\u5fc5\u9808\u7279\u5225\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u5169\u500b\u6578\u64da\u5eab\u7684\u7d50\u69cb\u76f8\u540c\uff0c\u4ee5\u4fbf\u80fd\u5920\u9032\u884c\u4e00\u81f4\u7684\u66f4\u65b0\u3002<\/li>\n<li>\u5728\u4e8b\u52d9\u4e2d\u9032\u884c\u64cd\u4f5c\uff0c\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002\u5982\u679c\u5176\u4e2d\u4e00\u500b\u64cd\u4f5c\u5931\u6557\uff0c\u5247\u61c9\u56de\u6efe\u6240\u6709\u66f4\u6539\u3002<\/li>\n<li>\u8003\u616e\u5230\u6027\u80fd\u554f\u984c\uff0c\u907f\u514d\u5728\u9ad8\u983b\u7387\u7684\u64cd\u4f5c\u4e2d\u540c\u6642\u66f4\u65b0\u591a\u500b\u6578\u64da\u5eab\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-BAjbBFvUZd\">\u7e3d\u7d50<\/h2>\n<p>\u4f7f\u7528PDO\u4f86\u66f4\u65b0\u5169\u500b\u6578\u64da\u5eab\u662f\u4e00\u500b\u6709\u6548\u4e14\u5b89\u5168\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u901a\u904e\u4e8b\u52d9\u7684\u4f7f\u7528\uff0c\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002\u9019\u5c0d\u65bc\u9700\u8981\u5728\u591a\u500b\u6578\u64da\u5eab\u4e2d\u4fdd\u6301\u6578\u64da\u540c\u6b65\u7684\u61c9\u7528\u7a0b\u5e8f\u4f86\u8aaa\u5c24\u70ba\u91cd\u8981\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u90e8\u7f72\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u9019\u5c07\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u64f4\u5c55\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528PDO\u5be6\u73fe\u540c\u6642\u66f4\u65b0\u5169\u500b\u6578\u64da\u5eab\u7684\u64cd\u4f5c\uff0c\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u8207\u5b89\u5168\u6027\uff0c\u63d0\u5347\u6578\u64da\u7ba1\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-183922","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183922","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=183922"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183922\/revisions"}],"predecessor-version":[{"id":183923,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183922\/revisions\/183923"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=183922"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=183922"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=183922"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}