{"id":96578,"date":"2024-10-20T10:37:14","date_gmt":"2024-10-20T02:37:14","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96578\/"},"modified":"2024-10-20T10:37:15","modified_gmt":"2024-10-20T02:37:15","slug":"php%e5%a6%82%e4%bd%95%e5%9c%a8%e7%b6%b2%e9%a0%81%e4%b8%8a%e8%bc%b8%e5%87%ba%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e5%ad%97%e7%ac%a6%e4%b8%b2%ef%bc%9f-php%e8%bc%b8%e5%87%ba-%e6%95%b8%e6%93%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/96578\/","title":{"rendered":"php\u5982\u4f55\u5728\u7db2\u9801\u4e0a\u8f38\u51fa\u6578\u64da\u5eab\u4e2d\u7684\u5b57\u7b26\u4e32\uff1f (php\u8f38\u51fa \u6578\u64da\u5eab\u5b57\u7b26\u4e32)"},"content":{"rendered":"

PHP\u5982\u4f55\u5728\u7db2\u9801\u4e0a\u8f38\u51fa\u6578\u64da\u5eab\u4e2d\u7684\u5b57\u7b26\u4e32\uff1f<\/h1>\n

\u5728\u73fe\u4eca\u7684\u7db2\u9801\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\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528PHP\u5f9e\u6578\u64da\u5eab\u4e2d\u63d0\u53d6\u5b57\u7b26\u4e32\u4e26\u5728\u7db2\u9801\u4e0a\u8f38\u51fa\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

\u9996\u5148\uff0c\u70ba\u4e86\u80fd\u5920\u5f9e\u6578\u64da\u5eab\u4e2d\u63d0\u53d6\u6578\u64da\uff0c\u6211\u5011\u9700\u8981\u5efa\u7acb\u8207\u6578\u64da\u5eab\u7684\u9023\u63a5\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528MySQLi\u64f4\u5c55\u7684\u57fa\u672c\u9023\u63a5\u793a\u4f8b\uff1a<\/p>\n

\nconnect_error) {\n    die(\"\u9023\u63a5\u5931\u6557: \" . $conn->connect_error);\n}\n?>\n<\/code><\/pre>\n
\u67e5\u8a62\u6578\u64da<\/h2>\n
\u4e00\u65e6\u6210\u529f\u9023\u63a5\u5230\u6578\u64da\u5eab\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528SQL\u67e5\u8a62\u4f86\u63d0\u53d6\u6240\u9700\u7684\u5b57\u7b26\u4e32\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u67e5\u8a62\u793a\u4f8b\uff1a<\/p>\n
\nquery($sql);\n\nif ($result->num_rows > 0) {\n    \/\/ \u8f38\u51fa\u6bcf\u4e00\u884c\u7684\u6578\u64da\n    while($row = $result->fetch_assoc()) {\n        echo \"\u6578\u64da: \" . $row[\"column_name\"] . \"
\";\n    }\n} else {\n    echo \"0 \u7d50\u679c\";\n}\n$conn->close();\n?>\n<\/code><\/pre>\n
\u6578\u64da\u8f38\u51fa<\/h2>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u4f7f\u7528\u4e86while\u5faa\u74b0\u4f86\u904d\u6b77\u67e5\u8a62\u7d50\u679c\uff0c\u4e26\u4f7f\u7528echo\u8a9e\u53e5\u5c07\u6578\u64da\u8f38\u51fa\u5230\u7db2\u9801\u4e0a\u3002\u9019\u6a23\uff0c\u5f9e\u6578\u64da\u5eab\u4e2d\u63d0\u53d6\u7684\u5b57\u7b26\u4e32\u5c31\u80fd\u5920\u5728\u7528\u6236\u7684\u700f\u89bd\u5668\u4e2d\u986f\u793a\u51fa\u4f86\u3002<\/p>\n
\u5b89\u5168\u6027\u8003\u91cf<\/h3>\n
\u5728\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\u6642\uff0c\u5b89\u5168\u6027\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u4f7f\u7528\u9810\u8655\u7406\u8a9e\u53e5\u53ef\u4ee5\u6709\u6548\u9632\u6b62SQL\u6ce8\u5165\u653b\u64ca\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528\u9810\u8655\u7406\u8a9e\u53e5\u7684\u793a\u4f8b\uff1a<\/p>\n
\nprepare(\"SELECT column_name FROM table_name WHERE condition = ?\");\n$stmt->bind_param(\"s\", $condition);\n$stmt->execute();\n$result = $stmt->get_result();\n\nwhile($row = $result->fetch_assoc()) {\n    echo \"\u6578\u64da: \" . $row[\"column_name\"] . \"
\";\n}\n$stmt->close();\n$conn->close();\n?>\n<\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
\u901a\u904e\u4ee5\u4e0a\u6b65\u9a5f\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5730\u4f7f\u7528PHP\u5f9e\u6578\u64da\u5eab\u4e2d\u63d0\u53d6\u5b57\u7b26\u4e32\u4e26\u5728\u7db2\u9801\u4e0a\u8f38\u51fa\u3002\u9019\u4e00\u904e\u7a0b\u6d89\u53ca\u5230\u6578\u64da\u5eab\u7684\u9023\u63a5\u3001\u67e5\u8a62\u4ee5\u53ca\u6578\u64da\u7684\u5b89\u5168\u8f38\u51fa\u3002\u96a8\u8457\u7db2\u9801\u958b\u767c\u7684\u9032\u6b65\uff0c\u638c\u63e1\u9019\u4e9b\u57fa\u672c\u6280\u80fd\u5c07\u5c0d\u958b\u767c\u8005\u7684\u5de5\u4f5c\u5927\u6709\u88e8\u76ca\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 \u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u7528\u6236\u3002\u7121\u8ad6\u662f\u500b\u4eba\u7db2\u7ad9\u9084\u662f\u4f01\u696d\u61c9\u7528\uff0c\u6211\u5011\u7684 \u4f3a\u670d\u5668<\/a> \u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528PHP\u5728\u7db2\u9801\u4e0a\u8f38\u51fa\u6578\u64da\u5eab\u4e2d\u7684\u5b57\u7b26\u4e32\uff0c\u7c21\u55ae\u6b65\u9a5f\u6559\u4f60\u9023\u63a5\u6578\u64da\u5eab\u4e26\u986f\u793a\u6578\u64da\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-96578","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96578","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=96578"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96578\/revisions"}],"predecessor-version":[{"id":96579,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96578\/revisions\/96579"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96578"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96578"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96578"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}