{"id":25519,"date":"2024-03-16T05:05:31","date_gmt":"2024-03-16T05:05:31","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/detailed-summary-of-some-garbled-code-issues-found-in-java-web\/"},"modified":"2024-03-22T06:22:14","modified_gmt":"2024-03-22T06:22:14","slug":"detailed-summary-of-some-garbled-code-issues-found-in-java-web","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/detailed-summary-of-some-garbled-code-issues-found-in-java-web\/","title":{"rendered":"Detailed summary of some garbled code issues found in Java Web."},"content":{"rendered":"<p>In Java Web development, issues with garbled characters are commonly encountered. These problems typically revolve around request parameters, database storage, and page display. Below is a summary of some common garbled character problems and their solutions.<\/p>\n<ol>\n<li>Issue with garbled request parameters:<br \/>\nWhen request parameters are passed through the GET method, Chinese characters may be incorrectly interpreted due to the default encoding format of the URL being ISO-8859-1. The solution is to use URLDecoder to decode the parameters before further processing.<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-type\">String<\/span> <span class=\"hljs-variable\">param<\/span> <span class=\"hljs-operator\">=<\/span> URLDecoder.decode(request.getParameter(<span class=\"hljs-string\">\"param\"<\/span>), <span class=\"hljs-string\">\"UTF-8\"<\/span>);\r\n<\/code><\/pre>\n<p>When request parameters are passed using the POST method, Chinese characters may be incorrectly interpreted due to the default encoding format of ISO-8859-1 in the request body. To resolve this issue, set the encoding format of the request body to UTF-8 before receiving the parameters.<\/p>\n<pre class=\"post-pre\"><code>request.setCharacterEncoding(<span class=\"hljs-string\">\"UTF-8\"<\/span>);\r\n<\/code><\/pre>\n<ol>\n<li>Database storage encoding issue:<br \/>\nWhen storing Chinese characters in the database, if the encoding format is not UTF-8, the Chinese characters will be wrongly stored. The solution is to set the database encoding format to UTF-8.<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code>ALTER DATABASE database_name CHARACTER SET utf8 COLLATE utf8_general_ci;\r\n<\/code><\/pre>\n<p>Simultaneously, it is also necessary to specify the encoding format when connecting to the database.<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-type\">String<\/span> <span class=\"hljs-variable\">url<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-string\">\"jdbc:mysql:\/\/localhost:3306\/database_name?useUnicode=true&amp;characterEncoding=utf8\"<\/span>;\r\n<\/code><\/pre>\n<ol>\n<li>&#8211; Can you please lend me your notebook for a while?<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">meta<\/span> <span class=\"hljs-attr\">charset<\/span>=<span class=\"hljs-string\">\"UTF-8\"<\/span>&gt;<\/span>\r\n<\/code><\/pre>\n<p>In addition to the problems mentioned above, you may also encounter other garbled code issues such as file upload\/download garbled code and email sending garbled code. The methods to solve these problems are also similar, requiring attention to the uniformity of encoding formats and correct use of related encoding\/decoding methods.<\/p>\n<p>In summary, the garbled code issues in Java Web mainly focus on request parameters, database storage, and page display. The key to solving these problems is to correctly set the encoding format and ensure that the encoding format is consistent in all aspects.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In Java Web development, issues with garbled characters are commonly encountered. These problems typically revolve around request parameters, database storage, and page display. Below is a summary of some common garbled character problems and their solutions. Issue with garbled request parameters: When request parameters are passed through the GET method, Chinese characters may be incorrectly [&hellip;]<\/p>\n","protected":false},"author":13,"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-25519","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>Detailed summary of some garbled code issues found in Java Web. - 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\/detailed-summary-of-some-garbled-code-issues-found-in-java-web\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Detailed summary of some garbled code issues found in Java Web.\" \/>\n<meta property=\"og:description\" content=\"In Java Web development, issues with garbled characters are commonly encountered. 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