{"id":47375,"date":"2024-12-02T10:10:32","date_gmt":"2024-12-02T02:10:32","guid":{"rendered":"https:\/\/fwq.ai\/blog\/47375\/"},"modified":"2024-12-02T10:10:32","modified_gmt":"2024-12-02T02:10:32","slug":"php-%e5%87%bd%e6%95%b0%e5%8f%82%e6%95%b0%e7%bb%91%e5%ae%9a%e7%9a%84%e5%90%ab%e4%b9%89%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/47375\/","title":{"rendered":"PHP \u51fd\u6570\u53c2\u6570\u7ed1\u5b9a\u7684\u542b\u4e49\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

PHP \u51fd\u6570\u53c2\u6570\u7ed1\u5b9a\u7684\u542b\u4e49\u662f\u4ec0\u4e48\uff1f<\/h1>\n

\u5b66\u4e60\u77e5\u8bc6\u8981\u5584\u4e8e\u601d\u8003\uff0c\u601d\u8003\uff0c\u518d\u601d\u8003\uff01\u4eca\u5929\u7c73\u4e91\u5c0f\u7f16\u5c31\u7ed9\u5927\u5bb6\u5e26\u6765\u300aPHP \u51fd\u6570\u53c2\u6570\u7ed1\u5b9a\u7684\u542b\u4e49\u662f\u4ec0\u4e48\uff1f\u300b<\/span>\uff0c\u4ee5\u4e0b\u5185\u5bb9\u4e3b\u8981\u5305\u542b<\/span>\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60\u6216\u51c6\u5907\u5b66\u4e60\u6587\u7ae0<\/span>\uff0c\u5c31\u90fd\u4e0d\u8981\u9519\u8fc7\u672c\u6587\u5566~\u8ba9\u6211\u4eec\u4e00\u8d77\u6765\u770b\u770b\u5427\uff0c\u80fd\u5e2e\u52a9\u5230\u4f60\u5c31\u66f4\u597d\u4e86\uff01<\/span><\/p>\n

PHP \u51fd\u6570\u53c2\u6570\u7ed1\u5b9a\u662f\u4e00\u79cd\u6280\u672f\uff0c\u53ef\u5c06\u52a8\u6001\u503c\u7ed1\u5b9a\u5230\u51fd\u6570\u53c2\u6570\u4e2d\uff0c\u63d0\u4f9b\u66f4\u5b89\u5168\u3001\u66f4\u7075\u6d3b\u7684\u65b9\u5f0f\u4f20\u9012\u53c2\u6570\u3002\u5b83\u4f7f\u7528 bindParam \u51fd\u6570\uff0c\u6307\u5b9a\u53c2\u6570\u540d\u79f0\u3001\u53d8\u91cf\u548c\u7c7b\u578b\u5e38\u91cf\uff0c\u9632\u6b62 SQL \u6ce8\u5165\u653b\u51fb\uff0c\u4f8b\u5982\uff1abindParam(‘:name’, $name, PDO::PARAM_STR)\u3002<\/p>\n

\"PHP<\/p>\n

PHP \u51fd\u6570\u53c2\u6570\u7ed1\u5b9a\uff1a\u6982\u5ff5\u4e0e\u5b9e\u6218<\/strong><\/p>\n

\u6982\u5ff5<\/strong><\/p>\n

\u51fd\u6570\u53c2\u6570\u7ed1\u5b9a\uff08Parameter Binding\uff09\u662f\u4e00\u79cd\u6280\u672f\uff0c\u5141\u8bb8\u60a8\u5c06\u52a8\u6001\u503c\u7ed1\u5b9a\u5230\u51fd\u6570\u7684\u53c2\u6570\u4e2d\u3002\u5b83\u63d0\u4f9b\u4e86\u4e00\u79cd\u66f4\u5b89\u5168\u3001\u66f4\u7075\u6d3b\u7684\u65b9\u5f0f\u6765\u4f20\u9012\u53c2\u6570\uff0c\u907f\u514d\u4e86\u4f7f\u7528\u5b57\u7b26\u4e32\u8fde\u63a5\u5e26\u6765\u7684\u6f5c\u5728\u6ce8\u5165\u653b\u51fb\u98ce\u9669\u3002<\/p>\n

\u8bed\u6cd5<\/strong><\/p>\n

PHP \u4e2d\u7684\u53c2\u6570\u7ed1\u5b9a\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n

$stmt->bindParam('\u53c2\u6570\u540d\u79f0', $variable, PDO::PARAM_TYPE);<\/pre>\n
    \n
  • $stmt\uff1a<\/strong>\u9884\u5904\u7406\u8bed\u53e5\u5bf9\u8c61<\/li>\n
  • \u53c2\u6570\u540d\u79f0\uff1a<\/strong>\u8981\u7ed1\u5b9a\u7684\u53c2\u6570\u540d\u79f0\uff0c\u5b83\u901a\u5e38\u91c7\u7528 :name<\/code> \u7684\u5f62\u5f0f<\/li>\n
  • $variable\uff1a<\/strong>\u8981\u7ed1\u5b9a\u7684\u53d8\u91cf<\/li>\n
  • PDO::PARAM_TYPE\uff1a<\/strong>\u6307\u5b9a\u53d8\u91cf\u7c7b\u578b\u7684\u5e38\u91cf\uff08\u5982 PDO::PARAM_INT<\/code> \u6216 PDO::PARAM_STR<\/code>\uff09<\/li>\n<\/ul>\n
    \u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n
    \u4ee5\u4e0b\u662f\u4f7f\u7528\u53c2\u6570\u7ed1\u5b9a\u7684\u5b9e\u6218\u6848\u4f8b\uff1a<\/p>\n
    $sql = \"UPDATE users SET name = :name, email = :email WHERE id = :id\";\n$stmt = $pdo->prepare($sql);\n\n$stmt->bindParam(':name', $name, PDO::PARAM_STR);\n$stmt->bindParam(':email', $email, PDO::PARAM_STR);\n$stmt->bindParam(':id', $id, PDO::PARAM_INT);\n\n$name = 'Jane Doe';\n$email = 'jane.doe@example.com';\n$id = 1;\n\n$stmt->execute();\n\n\/\/ \u67e5\u8be2\u6210\u529f\u540e\u8f93\u51fa\u53d7\u5f71\u54cd\u7684\u884c\u6570\necho $stmt->rowCount() . \" \u884c\u5df2\u66f4\u65b0\u3002\";<\/pre>\n
    \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff1a<\/p>\n
      \n
    • \u6211\u4eec\u51c6\u5907\u4e00\u4e2a SQL \u66f4\u65b0\u8bed\u53e5\u3002<\/li>\n
    • \u4f7f\u7528 bindParam<\/code> \u51fd\u6570\u7ed1\u5b9a\u4e09\u4e2a\u53c2\u6570\uff1a\u540d\u79f0\u3001\u7535\u5b50\u90ae\u4ef6\u548c ID\u3002<\/li>\n
    • \u7ed9\u7ed1\u5b9a\u53c2\u6570\u5206\u914d\u5b9e\u9645\u503c\u3002<\/li>\n
    • \u6267\u884c\u9884\u5904\u7406\u8bed\u53e5\u3002<\/li>\n
    • \u8f93\u51fa\u53d7\u5f71\u54cd\u7684\u884c\u6570\uff0c\u8868\u793a\u66f4\u65b0\u64cd\u4f5c\u662f\u5426\u6210\u529f\u3002<\/li>\n<\/ul>\n
      \u4f7f\u7528\u53c2\u6570\u7ed1\u5b9a\u53ef\u4ee5\u9632\u6b62 SQL \u6ce8\u5165\u653b\u51fb\uff0c\u56e0\u4e3a\u53c2\u6570\u503c\u4e0d\u4f1a\u88ab\u76f4\u63a5\u5305\u542b\u5728 SQL \u8bed\u53e5\u4e2d\uff0c\u800c\u662f\u4f5c\u4e3a\u5355\u72ec\u7684\u53d8\u91cf\u4f20\u9012\u3002\u5b83\u8fd8\u4f7f\u4ee3\u7801\u66f4\u6613\u4e8e\u9605\u8bfb\u548c\u7ef4\u62a4\u3002<\/p>\n
      \u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300aPHP \u51fd\u6570\u53c2\u6570\u7ed1\u5b9a\u7684\u542b\u4e49\u662f\u4ec0\u4e48\uff1f\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~\u7c73\u4e91\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03\u6587\u7ae0\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
      PHP \u51fd\u6570\u53c2\u6570\u7ed1\u5b9a\u7684\u542b\u4e49\u662f\u4ec0\u4e48\uff1f \u5b66\u4e60\u77e5\u8bc6\u8981\u5584\u4e8e\u601d\u8003\uff0c\u601d\u8003\uff0c\u518d\u601d\u8003\uff01\u4eca\u5929\u7c73\u4e91\u5c0f\u7f16\u5c31\u7ed9\u5927\u5bb6\u5e26\u6765\u300aPHP \u51fd\u6570\u53c2\u6570\u7ed1\u5b9a\u7684\u542b\u4e49\u662f\u4ec0\u4e48\uff1f\u300b\uff0c\u4ee5\u4e0b\u5185\u5bb9\u4e3b\u8981\u5305\u542b\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60\u6216\u51c6\u5907\u5b66\u4e60\u6587\u7ae0\uff0c\u5c31\u90fd\u4e0d\u8981\u9519\u8fc7\u672c\u6587\u5566~\u8ba9\u6211\u4eec\u4e00\u8d77\u6765\u770b\u770b\u5427\uff0c\u80fd\u5e2e\u52a9\u5230\u4f60\u5c31\u66f4\u597d\u4e86\uff01 PHP \u51fd\u6570\u53c2\u6570\u7ed1\u5b9a\u662f\u4e00\u79cd\u6280\u672f\uff0c\u53ef\u5c06\u52a8\u6001\u503c\u7ed1\u5b9a\u5230\u51fd\u6570\u53c2\u6570\u4e2d\uff0c\u63d0\u4f9b\u66f4\u5b89\u5168\u3001\u66f4\u7075\u6d3b\u7684\u65b9\u5f0f\u4f20\u9012\u53c2\u6570\u3002\u5b83\u4f7f\u7528 bindParam \u51fd\u6570\uff0c\u6307\u5b9a\u53c2\u6570\u540d\u79f0\u3001\u53d8\u91cf\u548c\u7c7b\u578b\u5e38\u91cf\uff0c\u9632\u6b62 SQL \u6ce8\u5165\u653b\u51fb\uff0c\u4f8b\u5982\uff1abindParam(‘:name’, $name, PDO::PARAM_STR)\u3002 PHP \u51fd\u6570\u53c2\u6570\u7ed1\u5b9a\uff1a\u6982\u5ff5\u4e0e\u5b9e\u6218 \u6982\u5ff5 \u51fd\u6570\u53c2\u6570\u7ed1\u5b9a\uff08Parameter Binding\uff09\u662f\u4e00\u79cd\u6280\u672f\uff0c\u5141\u8bb8\u60a8\u5c06\u52a8\u6001\u503c\u7ed1\u5b9a\u5230\u51fd\u6570\u7684\u53c2\u6570\u4e2d\u3002\u5b83\u63d0\u4f9b\u4e86\u4e00\u79cd\u66f4\u5b89\u5168\u3001\u66f4\u7075\u6d3b\u7684\u65b9\u5f0f\u6765\u4f20\u9012\u53c2\u6570\uff0c\u907f\u514d\u4e86\u4f7f\u7528\u5b57\u7b26\u4e32\u8fde\u63a5\u5e26\u6765\u7684\u6f5c\u5728\u6ce8\u5165\u653b\u51fb\u98ce\u9669\u3002 \u8bed\u6cd5 PHP \u4e2d\u7684\u53c2\u6570\u7ed1\u5b9a\u8bed\u6cd5\u5982\u4e0b\uff1a $stmt->bindParam(‘\u53c2\u6570\u540d\u79f0’, $variable, PDO::PARAM_TYPE); $stmt\uff1a\u9884\u5904\u7406\u8bed\u53e5\u5bf9\u8c61 \u53c2\u6570\u540d\u79f0\uff1a\u8981\u7ed1\u5b9a\u7684\u53c2\u6570\u540d\u79f0\uff0c\u5b83\u901a\u5e38\u91c7\u7528 :name \u7684\u5f62\u5f0f $variable\uff1a\u8981\u7ed1\u5b9a\u7684\u53d8\u91cf PDO::PARAM_TYPE\uff1a\u6307\u5b9a\u53d8\u91cf\u7c7b\u578b\u7684\u5e38\u91cf\uff08\u5982 PDO::PARAM_INT \u6216 PDO::PARAM_STR\uff09 \u5b9e\u6218\u6848\u4f8b \u4ee5\u4e0b\u662f\u4f7f\u7528\u53c2\u6570\u7ed1\u5b9a\u7684\u5b9e\u6218\u6848\u4f8b\uff1a $sql = “UPDATE users SET name = :name, email = :email WHERE id = :id”; $stmt = $pdo->prepare($sql); $stmt->bindParam(‘:name’, $name, PDO::PARAM_STR); […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-47375","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47375","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=47375"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/47375\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=47375"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=47375"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=47375"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}