{"id":30650,"date":"2023-09-15T06:41:06","date_gmt":"2023-06-30T22:37:09","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/php-%e5%85%b3%e4%ba%8epdo%e7%9a%84%e5%8d%a0%e4%bd%8d%e7%ac%a6%e3%80%82\/"},"modified":"2025-08-12T20:11:01","modified_gmt":"2025-08-12T12:11:01","slug":"php-%e5%85%b3%e4%ba%8epdo%e7%9a%84%e5%8d%a0%e4%bd%8d%e7%ac%a6%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/php-%e5%85%b3%e4%ba%8epdo%e7%9a%84%e5%8d%a0%e4%bd%8d%e7%ac%a6%e3%80%82\/","title":{"rendered":"(PHP) \u5173\u4e8ePDO\u7684\u5360\u4f4d\u7b26"},"content":{"rendered":"

PDO\u7684\u5360\u4f4d\u7b26\u5e94\u8be5\u7528\u53d8\u91cf\u540d\u6765\u8868\u793a<\/h1>\n

\u603b\u7ed3\u8d77\u6765\uff0c\u6211\u4eec\u5e94\u8be5\u5c06\u53d8\u91cf\u540d\u5199\u5165\u5360\u4f4d\u7b26\u4e2d\u3002\u867d\u7136\u5728\u4e00\u4e9b\u60c5\u51b5\u4e0b\u4f60\u4e5f\u53ef\u4ee5\u4f7f\u7528\u95ee\u53f7\u6216\u51cf\u5c11execute\u7684\u53c2\u6570\uff0c\u4f46\u4ece\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u7684\u89d2\u5ea6\u8003\u8651\uff0c\u6700\u597d\u8fd8\u662f\u4f7f\u7528\u53d8\u91cf\u540d\u6765\u8fdb\u884c\u63cf\u8ff0\u3002<\/p>\n

$label<\/span> =<\/span> '\u7d20\u6674\u3089\u3057\u3044\uff01\uff01'<\/span>;<\/span>\r\n$n<\/span> =<\/span> 80<\/span>;<\/span>\r\n$stmt<\/span> =<\/span> $pdo<\/span>-><\/span>prepare<\/span>(<\/span>\r\n    \"UPDATE\r\n       posts \r\n    SET \r\n      message = CONCAT(?, message) \r\n    WHERE \r\n      likes >= ?\"<\/span>\r\n  );<\/span>\r\n  $stmt<\/span>-><\/span>execute<\/span>([<\/span>$label<\/span>,<\/span> $n<\/span>]);<\/span>\r\n<\/code><\/pre>\n
\u2193\u6539\u6210\u4e2d\u6587\u7684\u8bdd<\/p>\n
$stmt<\/span> =<\/span> $pdo<\/span>-><\/span>prepare<\/span>(<\/span>\r\n    \"UPDATE\r\n       posts \r\n    SET \r\n      message = CONCAT(:label, message) \r\n    WHERE \r\n      likes > :n\"<\/span>\r\n  );<\/span>\r\n  $stmt<\/span>-><\/span>execute<\/span>([<\/span>':label'<\/span> =><\/span> $label<\/span>,<\/span> ':n'<\/span> =><\/span> $n<\/span>]);<\/span>\r\n<\/code><\/pre>\n
\u7531\u4e8eexecute()\u51fd\u6570\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570\uff08\u5192\u53f7:\uff09\u53ef\u4ee5\u7701\u7565\uff0c\u56e0\u6b64\u53ef\u4ee5\u5199\u6210\u2193<\/p>\n
$stmt<\/span> =<\/span> $pdo<\/span>-><\/span>prepare<\/span>(<\/span>\r\n    \"UPDATE\r\n       posts \r\n    SET \r\n      message = CONCAT(:label, message) \r\n    WHERE \r\n      likes > :n\"<\/span>\r\n  );<\/span>\r\n  $stmt<\/span>-><\/span>execute<\/span>([<\/span>'label'<\/span> =><\/span> $label<\/span>,<\/span> 'n'<\/span> =><\/span> $n<\/span>]);<\/span>\r\n<\/code><\/pre>\n
\u8fd9\u5c31\u662f\u7ed3\u679c\u3002
\n\u5c31\u662f\u8fd9\u6837\u4e86\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
PDO\u7684\u5360\u4f4d\u7b26\u5e94\u8be5\u7528\u53d8\u91cf\u540d\u6765\u8868\u793a \u603b\u7ed3\u8d77\u6765\uff0c\u6211\u4eec\u5e94\u8be5\u5c06\u53d8\u91cf\u540d\u5199\u5165\u5360\u4f4d\u7b26\u4e2d\u3002\u867d\u7136\u5728\u4e00\u4e9b\u60c5\u51b5\u4e0b\u4f60\u4e5f\u53ef\u4ee5\u4f7f\u7528\u95ee\u53f7\u6216\u51cf […]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-30650","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"\n(PHP) \u5173\u4e8ePDO\u7684\u5360\u4f4d\u7b26 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8e(PHP) \u5173\u4e8ePDO\u7684\u5360\u4f4d\u7b26\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/php-\u5173\u4e8epdo\u7684\u5360\u4f4d\u7b26\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"(PHP) \u5173\u4e8ePDO\u7684\u5360\u4f4d\u7b26\" \/>\n<meta property=\"og:description\" content=\"\u5173\u4e8e(PHP) \u5173\u4e8ePDO\u7684\u5360\u4f4d\u7b26\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/php-\u5173\u4e8epdo\u7684\u5360\u4f4d\u7b26\u3002\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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