{"id":96568,"date":"2024-10-20T10:32:15","date_gmt":"2024-10-20T02:32:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96568\/"},"modified":"2024-10-20T10:32:16","modified_gmt":"2024-10-20T02:32:16","slug":"php%e5%a6%82%e4%bd%95%e5%b0%8d%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%b2%e8%a1%8c%e6%9f%a5%e8%a9%a2%e4%b8%a6%e8%bc%b8%e5%87%ba%e6%95%b8%e6%93%9a%ef%bc%9f-php-%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/96568\/","title":{"rendered":"php\u5982\u4f55\u5c0d\u6578\u64da\u5eab\u9032\u884c\u67e5\u8a62\u4e26\u8f38\u51fa\u6578\u64da\uff1f (php \u67e5\u8a62\u6578\u64da\u5eab\u8f38\u51fa)"},"content":{"rendered":"

PHP\u5982\u4f55\u5c0d\u6578\u64da\u5eab\u9032\u884c\u67e5\u8a62\u4e26\u8f38\u51fa\u6578\u64da\uff1f<\/h1>\n

\u5728\u73fe\u4eca\u7684\u7db2\u7d61\u958b\u767c\u4e2d\uff0cPHP\u4f5c\u70ba\u4e00\u7a2e\u6d41\u884c\u7684\u4f3a\u670d\u5668\u7aef\u8173\u672c\u8a9e\u8a00\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u6578\u64da\u5eab\u64cd\u4f5c\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528PHP\u5c0d\u6578\u64da\u5eab\u9032\u884c\u67e5\u8a62\u4e26\u8f38\u51fa\u6578\u64da\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u7406\u89e3\u9019\u4e00\u904e\u7a0b\u3002<\/p>\n

\u6578\u64da\u5eab\u9023\u63a5<\/h2>\n

\u5728\u9032\u884c\u4efb\u4f55\u67e5\u8a62\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u8207\u6578\u64da\u5eab\u5efa\u7acb\u9023\u63a5\u3002PHP\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u5f0f\u4f86\u9023\u63a5\u6578\u64da\u5eab\uff0c\u6700\u5e38\u7528\u7684\u662f\u4f7f\u7528MySQLi\u6216PDO\u64f4\u5c55\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528MySQLi\u9023\u63a5\u6578\u64da\u5eab\u7684\u7bc4\u4f8b\uff1a<\/p>\n

\n$servername = \"localhost\";\n$username = \"username\";\n$password = \"password\";\n$dbname = \"database_name\";\n\n\/\/ \u5275\u5efa\u9023\u63a5\n$conn = new mysqli($servername, $username, $password, $dbname);\n\n\/\/ \u6aa2\u67e5\u9023\u63a5\nif ($conn->connect_error) {\n    die(\"\u9023\u63a5\u5931\u6557: \" . $conn->connect_error);\n}\n<\/code><\/pre>\n
\u57f7\u884c\u67e5\u8a62<\/h2>\n
\u4e00\u65e6\u6210\u529f\u9023\u63a5\u5230\u6578\u64da\u5eab\uff0c\u5c31\u53ef\u4ee5\u57f7\u884c\u67e5\u8a62\u3002\u4ee5\u4e0b\u662f\u57f7\u884c\u4e00\u500b\u7c21\u55ae\u7684SELECT\u67e5\u8a62\u7684\u7bc4\u4f8b\uff1a<\/p>\n
\n$sql = \"SELECT id, name, email FROM users\";\n$result = $conn->query($sql);\n<\/code><\/pre>\n
\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u5f9e\u540d\u70ba\u201cusers\u201d\u7684\u8868\u4e2d\u9078\u64c7\u4e86\u4e09\u500b\u5b57\u6bb5\uff1aid\u3001name\u548cemail\u3002<\/p>\n
\u8655\u7406\u67e5\u8a62\u7d50\u679c<\/h2>\n
\u67e5\u8a62\u57f7\u884c\u5f8c\uff0c\u63a5\u4e0b\u4f86\u9700\u8981\u8655\u7406\u7d50\u679c\u3002\u53ef\u4ee5\u4f7f\u7528while\u5faa\u74b0\u4f86\u904d\u6b77\u7d50\u679c\u96c6\uff0c\u4e26\u8f38\u51fa\u6578\u64da\uff1a<\/p>\n
\nif ($result->num_rows > 0) {\n    \/\/ \u8f38\u51fa\u6bcf\u4e00\u884c\u6578\u64da\n    while($row = $result->fetch_assoc()) {\n        echo \"id: \" . $row[\"id\"]. \" - Name: \" . $row[\"name\"]. \" - Email: \" . $row[\"email\"]. \"
\";\n    }\n} else {\n    echo \"0 \u7d50\u679c\";\n}\n<\/code><\/pre>\n
\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u6aa2\u67e5\u7d50\u679c\u96c6\u662f\u5426\u6709\u6578\u64da\uff0c\u5982\u679c\u6709\uff0c\u5247\u4f7f\u7528fetch_assoc()\u65b9\u6cd5\u9010\u884c\u63d0\u53d6\u6578\u64da\u4e26\u8f38\u51fa\u3002<\/p>\n
\u95dc\u9589\u9023\u63a5<\/h2>\n
\u5b8c\u6210\u6578\u64da\u67e5\u8a62\u5f8c\uff0c\u61c9\u8a72\u95dc\u9589\u6578\u64da\u5eab\u9023\u63a5\uff0c\u4ee5\u91cb\u653e\u8cc7\u6e90\uff1a<\/p>\n
\n$conn->close();\n<\/code><\/pre>\n
\u5b8c\u6574\u7bc4\u4f8b<\/h2>\n
\u7d9c\u5408\u4ee5\u4e0a\u6b65\u9a5f\uff0c\u4ee5\u4e0b\u662f\u4e00\u500b\u5b8c\u6574\u7684PHP\u8173\u672c\u7bc4\u4f8b\uff1a<\/p>\n
\nconnect_error) {\n    die(\"\u9023\u63a5\u5931\u6557: \" . $conn->connect_error);\n}\n\n$sql = \"SELECT id, name, email FROM users\";\n$result = $conn->query($sql);\n\nif ($result->num_rows > 0) {\n    while($row = $result->fetch_assoc()) {\n        echo \"id: \" . $row[\"id\"]. \" - Name: \" . $row[\"name\"]. \" - Email: \" . $row[\"email\"]. \"
\";\n    }\n} else {\n    echo \"0 \u7d50\u679c\";\n}\n\n$conn->close();\n?>\n<\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
\u901a\u904e\u4ee5\u4e0a\u6b65\u9a5f\uff0c\u6211\u5011\u53ef\u4ee5\u770b\u5230\u5982\u4f55\u4f7f\u7528PHP\u5c0d\u6578\u64da\u5eab\u9032\u884c\u67e5\u8a62\u4e26\u8f38\u51fa\u6578\u64da\u3002\u9019\u4e00\u904e\u7a0b\u6d89\u53ca\u5230\u6578\u64da\u5eab\u7684\u9023\u63a5\u3001\u67e5\u8a62\u7684\u57f7\u884c\u3001\u7d50\u679c\u7684\u8655\u7406\u4ee5\u53ca\u9023\u63a5\u7684\u95dc\u9589\u3002\u638c\u63e1\u9019\u4e9b\u57fa\u672c\u64cd\u4f5c\u5f8c\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u66f4\u9748\u6d3b\u5730\u8655\u7406\u6578\u64da\uff0c\u4e26\u5728\u61c9\u7528\u4e2d\u5be6\u73fe\u66f4\u8907\u96dc\u7684\u529f\u80fd\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684PHP\u61c9\u7528\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528PHP\u5c0d\u6578\u64da\u5eab\u9032\u884c\u67e5\u8a62\uff0c\u4e26\u5c07\u67e5\u8a62\u7d50\u679c\u8f38\u51fa\uff0c\u7c21\u5316\u6578\u64da\u8655\u7406\u8207\u986f\u793a\u7684\u904e\u7a0b\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-96568","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96568","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=96568"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96568\/revisions"}],"predecessor-version":[{"id":96569,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96568\/revisions\/96569"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96568"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96568"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96568"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}