{"id":22274,"date":"2024-03-15T23:18:35","date_gmt":"2024-03-15T23:18:35","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-can-i-retrieve-data-from-the-database-using-layui\/"},"modified":"2024-03-21T22:29:19","modified_gmt":"2024-03-21T22:29:19","slug":"how-can-i-retrieve-data-from-the-database-using-layui","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-can-i-retrieve-data-from-the-database-using-layui\/","title":{"rendered":"How can I retrieve data from the database using layui?"},"content":{"rendered":"<p>Layui is a frontend UI framework that does not have built-in functionality to fetch data from a database. Typically, fetching database data is achieved through backend programming languages and database operations.<\/p>\n<p>You can use a backend programming language (such as PHP, Java, Python, etc.) to connect to the database, write the corresponding code to retrieve data, and then return the data to the frontend through an interface.<\/p>\n<p>Here is an example using PHP and MySQL database:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-meta\">&lt;?php<\/span>\r\n<span class=\"hljs-comment\">\/\/ \u8fde\u63a5\u6570\u636e\u5e93<\/span>\r\n<span class=\"hljs-variable\">$servername<\/span> = <span class=\"hljs-string\">\"localhost\"<\/span>;\r\n<span class=\"hljs-variable\">$username<\/span> = <span class=\"hljs-string\">\"username\"<\/span>;\r\n<span class=\"hljs-variable\">$password<\/span> = <span class=\"hljs-string\">\"password\"<\/span>;\r\n<span class=\"hljs-variable\">$dbname<\/span> = <span class=\"hljs-string\">\"database_name\"<\/span>;\r\n<span class=\"hljs-variable\">$conn<\/span> = <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title function_ invoke__\">mysqli<\/span>(<span class=\"hljs-variable\">$servername<\/span>, <span class=\"hljs-variable\">$username<\/span>, <span class=\"hljs-variable\">$password<\/span>, <span class=\"hljs-variable\">$dbname<\/span>);\r\n\r\n<span class=\"hljs-comment\">\/\/ \u67e5\u8be2\u6570\u636e\u5e93<\/span>\r\n<span class=\"hljs-variable\">$sql<\/span> = <span class=\"hljs-string\">\"SELECT * FROM table_name\"<\/span>;\r\n<span class=\"hljs-variable\">$result<\/span> = <span class=\"hljs-variable\">$conn<\/span>-&gt;<span class=\"hljs-title function_ invoke__\">query<\/span>(<span class=\"hljs-variable\">$sql<\/span>);\r\n\r\n<span class=\"hljs-comment\">\/\/ \u83b7\u53d6\u6570\u636e<\/span>\r\n<span class=\"hljs-variable\">$data<\/span> = [];\r\n<span class=\"hljs-keyword\">if<\/span> (<span class=\"hljs-variable\">$result<\/span>-&gt;num_rows &gt; <span class=\"hljs-number\">0<\/span>) {\r\n    <span class=\"hljs-keyword\">while<\/span>(<span class=\"hljs-variable\">$row<\/span> = <span class=\"hljs-variable\">$result<\/span>-&gt;<span class=\"hljs-title function_ invoke__\">fetch_assoc<\/span>()) {\r\n        <span class=\"hljs-variable\">$data<\/span>[] = <span class=\"hljs-variable\">$row<\/span>;\r\n    }\r\n}\r\n\r\n<span class=\"hljs-comment\">\/\/ \u8fd4\u56de\u6570\u636e<\/span>\r\n<span class=\"hljs-keyword\">echo<\/span> <span class=\"hljs-title function_ invoke__\">json_encode<\/span>(<span class=\"hljs-variable\">$data<\/span>);\r\n\r\n<span class=\"hljs-comment\">\/\/ \u5173\u95ed\u6570\u636e\u5e93\u8fde\u63a5<\/span>\r\n<span class=\"hljs-variable\">$conn<\/span>-&gt;<span class=\"hljs-title function_ invoke__\">close<\/span>();\r\n<span class=\"hljs-meta\">?&gt;<\/span>\r\n<\/code><\/pre>\n<p>In the front end, you can use Layui&#8217;s Ajax request to call this interface and retrieve data, then display it on the page.<\/p>\n<pre class=\"post-pre\"><code>layui.<span class=\"hljs-title function_\">use<\/span>(<span class=\"hljs-string\">'jquery'<\/span>, <span class=\"hljs-keyword\">function<\/span>(<span class=\"hljs-params\"><\/span>){\r\n  <span class=\"hljs-keyword\">var<\/span> $ = layui.<span class=\"hljs-property\">jquery<\/span>;\r\n  \r\n  $.<span class=\"hljs-title function_\">ajax<\/span>({\r\n    <span class=\"hljs-attr\">url<\/span>: <span class=\"hljs-string\">'your_backend_api_url'<\/span>,\r\n    <span class=\"hljs-attr\">method<\/span>: <span class=\"hljs-string\">'GET'<\/span>,\r\n    <span class=\"hljs-attr\">success<\/span>: <span class=\"hljs-keyword\">function<\/span>(<span class=\"hljs-params\">data<\/span>){\r\n      <span class=\"hljs-comment\">\/\/ \u5728\u8fd9\u91cc\u5904\u7406\u83b7\u53d6\u5230\u7684\u6570\u636e<\/span>\r\n      <span class=\"hljs-variable language_\">console<\/span>.<span class=\"hljs-title function_\">log<\/span>(data);\r\n    },\r\n    <span class=\"hljs-attr\">error<\/span>: <span class=\"hljs-keyword\">function<\/span>(<span class=\"hljs-params\"><\/span>){\r\n      <span class=\"hljs-comment\">\/\/ \u9519\u8bef\u5904\u7406<\/span>\r\n    }\r\n  });\r\n});\r\n<\/code><\/pre>\n<p>Please note that the above code is just a simple example, the specific implementation will vary based on the backend language and database you are using.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Layui is a frontend UI framework that does not have built-in functionality to fetch data from a database. Typically, fetching database data is achieved through backend programming languages and database operations. You can use a backend programming language (such as PHP, Java, Python, etc.) to connect to the database, write the corresponding code to retrieve [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-22274","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How can I retrieve data from the database using layui? - Blog - Silicon Cloud<\/title>\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\/blog\/how-can-i-retrieve-data-from-the-database-using-layui\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How can I retrieve data from the database using layui?\" \/>\n<meta property=\"og:description\" content=\"Layui is a frontend UI framework that does not have built-in functionality to fetch data from a database. 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