{"id":185422,"date":"2024-11-10T21:25:19","date_gmt":"2024-11-10T13:25:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/185422\/"},"modified":"2024-11-10T21:25:20","modified_gmt":"2024-11-10T13:25:20","slug":"%e4%bd%bf%e7%94%a8%e5%a4%9a%e9%81%b8p%e6%a8%99%e7%b1%a4%ef%bc%8c%e8%bc%95%e9%ac%86%e7%8d%b2%e5%8f%96%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%98%e9%8c%84%ef%bc%88%e5%a4%9a%e9%81%b8p%e6%a8%99%e7%b1%a4%e7%8d%b2","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/185422\/","title":{"rendered":"\u4f7f\u7528\u591a\u9078p\u6a19\u7c64\uff0c\u8f15\u9b06\u7372\u53d6\u6578\u64da\u5eab\u8a18\u9304\uff08\u591a\u9078p\u6a19\u7c64\u7372\u53d6\u6578\u64da\u5eab\uff09"},"content":{"rendered":"<h1 id=\"%e4%bd%bf%e7%94%a8%e5%a4%9a%e9%81%b8p%e6%a8%99%e7%b1%a4%ef%bc%8c%e8%bc%95%e9%ac%86%e7%8d%b2%e5%8f%96%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%98%e9%8c%84%ef%bc%88%e5%a4%9a%e9%81%b8p%e6%a8%99%e7%b1%a4%e7%8d%b2-mlhGpcTjeI\">\u4f7f\u7528\u591a\u9078p\u6a19\u7c64\uff0c\u8f15\u9b06\u7372\u53d6\u6578\u64da\u5eab\u8a18\u9304\uff08\u591a\u9078p\u6a19\u7c64\u7372\u53d6\u6578\u64da\u5eab\uff09<\/h1>\n<p>\u5728\u73fe\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u4f7f\u7528\u5df2\u7d93\u6210\u70ba\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u7121\u8ad6\u662f\u7528\u65bc\u5b58\u5132\u7528\u6236\u4fe1\u606f\u3001\u7522\u54c1\u6578\u64da\u9084\u662f\u5176\u4ed6\u985e\u578b\u7684\u8cc7\u6599\uff0c\u6578\u64da\u5eab\u90fd\u626e\u6f14\u8457\u91cd\u8981\u7684\u89d2\u8272\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528\u591a\u9078p\u6a19\u7c64\u4f86\u8f15\u9b06\u7372\u53d6\u6578\u64da\u5eab\u8a18\u9304\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%a4%9a%e9%81%b8p%e6%a8%99%e7%b1%a4%ef%bc%9f-mlhGpcTjeI\">\u4ec0\u9ebc\u662f\u591a\u9078p\u6a19\u7c64\uff1f<\/h2>\n<p>\u591a\u9078p\u6a19\u7c64\uff08multi-select p tag\uff09\u662f\u4e00\u7a2eHTML\u5143\u7d20\uff0c\u5141\u8a31\u7528\u6236\u5f9e\u4e00\u7d44\u9078\u9805\u4e2d\u9078\u64c7\u591a\u500b\u503c\u3002\u9019\u5728\u9700\u8981\u7528\u6236\u9078\u64c7\u591a\u500b\u689d\u76ee\u6642\u975e\u5e38\u6709\u7528\uff0c\u4f8b\u5982\u5728\u7be9\u9078\u6578\u64da\u6216\u67e5\u8a62\u6578\u64da\u5eab\u6642\u3002\u4f7f\u7528\u591a\u9078p\u6a19\u7c64\u53ef\u4ee5\u63d0\u9ad8\u7528\u6236\u9ad4\u9a57\uff0c\u4e26\u4f7f\u6578\u64da\u7684\u7372\u53d6\u66f4\u52a0\u9748\u6d3b\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8%e5%a4%9a%e9%81%b8p%e6%a8%99%e7%b1%a4%e7%8d%b2%e5%8f%96%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%98%e9%8c%84-mlhGpcTjeI\">\u5982\u4f55\u4f7f\u7528\u591a\u9078p\u6a19\u7c64\u7372\u53d6\u6578\u64da\u5eab\u8a18\u9304<\/h2>\n<p>\u8981\u4f7f\u7528\u591a\u9078p\u6a19\u7c64\u7372\u53d6\u6578\u64da\u5eab\u8a18\u9304\uff0c\u9996\u5148\u9700\u8981\u8a2d\u8a08\u4e00\u500b\u524d\u7aef\u8868\u55ae\uff0c\u8b93\u7528\u6236\u53ef\u4ee5\u9078\u64c7\u4ed6\u5011\u611f\u8208\u8da3\u7684\u9078\u9805\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684HTML\u793a\u4f8b\uff1a<\/p>\n<pre><code>&lt;form method=\"POST\" action=\"process.php\"&gt;\n    &lt;label for=\"options\"&gt;\u9078\u64c7\u60a8\u611f\u8208\u8da3\u7684\u9805\u76ee\uff1a&lt;\/label&gt;\n    &lt;select id=\"options\" name=\"options[]\" multiple&gt;\n        &lt;option value=\"option1\"&gt;\u9078\u9805 1&lt;\/option&gt;\n        &lt;option value=\"option2\"&gt;\u9078\u9805 2&lt;\/option&gt;\n        &lt;option value=\"option3\"&gt;\u9078\u9805 3&lt;\/option&gt;\n    &lt;\/select&gt;\n    &lt;input type=\"submit\" value=\"\u63d0\u4ea4\"&gt;\n&lt;\/form&gt;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u7528\u6236\u53ef\u4ee5\u5f9e\u4e09\u500b\u9078\u9805\u4e2d\u9078\u64c7\u591a\u500b\u9805\u76ee\u3002\u7576\u7528\u6236\u63d0\u4ea4\u8868\u55ae\u6642\uff0c\u6240\u9078\u7684\u503c\u5c07\u88ab\u767c\u9001\u5230\u540d\u70baprocess.php\u7684\u5f8c\u7aef\u8655\u7406\u8173\u672c\u3002<\/p>\n<h2 id=\"%e5%be%8c%e7%ab%af%e8%99%95%e7%90%86%e6%95%b8%e6%93%9a-mlhGpcTjeI\">\u5f8c\u7aef\u8655\u7406\u6578\u64da<\/h2>\n<p>\u5728\u5f8c\u7aef\uff0c\u6211\u5011\u9700\u8981\u8655\u7406\u7528\u6236\u63d0\u4ea4\u7684\u6578\u64da\u4e26\u67e5\u8a62\u6578\u64da\u5eab\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528PHP\u548cMySQL\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>&lt;?php\n\/\/ \u9023\u63a5\u5230\u6578\u64da\u5eab\n$conn = new mysqli(\"localhost\", \"username\", \"password\", \"database\");\n\n\/\/ \u6aa2\u67e5\u9023\u63a5\nif ($conn-&gt;connect_error) {\n    die(\"\u9023\u63a5\u5931\u6557: \" . $conn-&gt;connect_error);\n}\n\n\/\/ \u7372\u53d6\u7528\u6236\u9078\u64c7\u7684\u9078\u9805\n$options = $_POST['options'];\n\n\/\/ \u69cb\u5efa\u67e5\u8a62\nif (!empty($options)) {\n    $selectedOptions = implode(\"','\", $options);\n    $sql = \"SELECT * FROM your_table WHERE your_column IN ('$selectedOptions')\";\n    $result = $conn-&gt;query($sql);\n\n    if ($result-&gt;num_rows &gt; 0) {\n        \/\/ \u8f38\u51fa\u6578\u64da\n        while($row = $result-&gt;fetch_assoc()) {\n            echo \"id: \" . $row[\"id\"]. \" - Name: \" . $row[\"name\"]. \"&lt;br&gt;\";\n        }\n    } else {\n        echo \"0 \u7d50\u679c\";\n    }\n} else {\n    echo \"\u672a\u9078\u64c7\u4efb\u4f55\u9078\u9805\";\n}\n\n$conn-&gt;close();\n?&gt;<\/code><\/pre>\n<p>\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u9996\u5148\u9023\u63a5\u5230\u6578\u64da\u5eab\uff0c\u7136\u5f8c\u7372\u53d6\u7528\u6236\u9078\u64c7\u7684\u9078\u9805\u3002\u63a5\u8457\uff0c\u6211\u5011\u4f7f\u7528\u9019\u4e9b\u9078\u9805\u4f86\u69cb\u5efaSQL\u67e5\u8a62\uff0c\u4e26\u5f9e\u6578\u64da\u5eab\u4e2d\u6aa2\u7d22\u76f8\u61c9\u7684\u8a18\u9304\u3002\u6700\u5f8c\uff0c\u6211\u5011\u5c07\u7d50\u679c\u8f38\u51fa\u5230\u7db2\u9801\u4e0a\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-mlhGpcTjeI\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li>\u78ba\u4fdd\u5c0d\u7528\u6236\u8f38\u5165\u9032\u884c\u9069\u7576\u7684\u9a57\u8b49\u548c\u6e05\u7406\uff0c\u4ee5\u9632\u6b62SQL\u6ce8\u5165\u653b\u64ca\u3002<\/li>\n<li>\u8003\u616e\u4f7f\u7528\u9810\u8655\u7406\u8a9e\u53e5\u4f86\u63d0\u9ad8\u5b89\u5168\u6027\u548c\u6027\u80fd\u3002<\/li>\n<li>\u6839\u64da\u9700\u8981\u8a2d\u8a08\u7528\u6236\u754c\u9762\uff0c\u4ee5\u4fbf\u7528\u6236\u80fd\u5920\u8f15\u9b06\u5730\u9078\u64c7\u548c\u63d0\u4ea4\u9078\u9805\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-mlhGpcTjeI\">\u7e3d\u7d50<\/h2>\n<p>\u4f7f\u7528\u591a\u9078p\u6a19\u7c64\u4f86\u7372\u53d6\u6578\u64da\u5eab\u8a18\u9304\u662f\u4e00\u7a2e\u6709\u6548\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u63d0\u9ad8\u7528\u6236\u7684\u4e92\u52d5\u6027\u548c\u6578\u64da\u7684\u9748\u6d3b\u6027\u3002\u901a\u904e\u7c21\u55ae\u7684HTML\u8868\u55ae\u548c\u5f8c\u7aef\u8655\u7406\u908f\u8f2f\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5be6\u73fe\u9019\u4e00\u529f\u80fd\u3002\u7121\u8ad6\u662f\u7528\u65bc\u7be9\u9078\u6578\u64da\u9084\u662f\u67e5\u8a62\u7279\u5b9a\u8a18\u9304\uff0c\u9019\u7a2e\u65b9\u6cd5\u90fd\u80fd\u5920\u63d0\u4f9b\u826f\u597d\u7684\u7528\u6236\u9ad4\u9a57\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f\u500b\u4eba\u9805\u76ee\u9084\u662f\u4f01\u696d\u61c9\u7528\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u53ef\u9760\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528\u591a\u9078p\u6a19\u7c64\u8f15\u9b06\u7372\u53d6\u6578\u64da\u5eab\u8a18\u9304\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u7c21\u5316\u64cd\u4f5c\u6d41\u7a0b\uff0c\u8b93\u6578\u64da\u63d0\u53d6\u66f4\u4fbf\u6377\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-185422","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185422","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=185422"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185422\/revisions"}],"predecessor-version":[{"id":185423,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185422\/revisions\/185423"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=185422"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=185422"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=185422"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}