Purpose: Front-end (only uses thymeleaf template + jquery) to achieve internationalization
Reason: The front-end does not use popular vue.js angular and other frameworks, pure HTML cannot reference constants defined in js
Using jquery assignment (maintaining 2 templates (Chinese, English) interface) Direct out
solution: use https://github.com/coderifous/jquery-localize/ a localization plug-in
a jQuery plugin that makes it easy to internationalize your web site
Steps:
1 html
<!DOCTYPE> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>Language</title> <!-- 引用三个js文件 language_cookie.js实现记忆功能 下一次用户刷新界面之后 记得之前用户使用了那个语种 --> <script src="jquery.js" type="text/javascript" charset="utf-8"></script> <script src="jquery.localize.js" type="text/javascript" charset="utf-8"></script> <script src="language_cookie.js" type="text/javascript" charset="utf-8"></script> </head> <body> <div> <select id="ddlSomoveLanguage" onchange="chgLang();"> <option value="">LAGUAGE</option> <option value="ja">日本</option> <option value="en">ENGLISH</option> </select> </div> <div id="prod_navright"> <ul> <!-- data-localize="hpt.management" 固定写法 对应语言包文件中的key --> <li><a data-localize="hpt.management" href="hospitality_management_ja.html" >MANAGEMENT</a></li> <li><a data-localize="hpt.support" href="hospitality_support_ja.html">SUPPORT</a></li> <li><a data-localize="hpt.tutorial" href="hospitality_tutorial_ja.html">TUTORIAL</a></li> <li><a data-localize="hpt.features" href="hospitality_features_ja.html">FEATURES</a></li> </ul> </div> </body> </html>
2 Language pack file
text-en.json
{ "hpt":{ "features": "FEATURES", "tutorial": "TUTORIAL", "support": "SUPPORT", "management": "MANAGEMENT" } }
text-ja.json
·······
3 language_cookie.js needs to be executed natively on the server and cannot be obtained Required json file Main code The bottom layer of the code at the mark may use xmlHttpRequest to obtain the .json language package file
var name = "somoveLanguage"; function chgLang() { var value = $("#ddlSomoveLanguage").children('option:selected').val(); SetCookie(name, value); console.log("come in chgLang" + name + value); location.reload(); } function SetCookie(name, value) { var Days = 30; //此 cookie 将被保存 30 天 var exp = new Date(); //new Date("December 31, 9998"); exp.setTime(exp.getTime() + Days * 24 * 60 * 60 * 1000); document.cookie = name + "=" + escape(value) + ";expires=" + exp.toGMTString(); } function getCookie(name){ //取cookies函数 var arr = document.cookie.match(new RegExp("(^| )" + name + "=([^;]*)(;|$)")); if (arr != null) return unescape(arr[2]); return null } $(function() { var uulanguage = (navigator.language || navigator.browserLanguage).toLowerCase(); console.log("come in readly" + uulanguage); if (uulanguage.indexOf("en") > -1) { $("[data-localize]").localize("text", { //**主要的代码** jquery.localize.js 底层实现切换逻辑 pathPrefix: "lang", language: "en" }); console.log("come in en"); } else if (uulanguage.indexOf("ja") > -1) { $("[data-localize]").localize("text", { pathPrefix: "lang", language: "ja" }); console.log("come in ja"); } else { $("[data-localize]").localize("text", { pathPrefix: "lang", language: "en" }); console.log("come in moren en"); }; //根据cookie选择语言 if (getCookie(name) != "") { if (getCookie(name) == "ja") { $("[data-localize]").localize("text", { pathPrefix: "lang", language: "ja" }); console.log("come in cookie ja"); } if (getCookie(name) == "en") { $("[data-localize]").localize("text", { pathPrefix: "lang", language: "en" }); console.log("come in cookie en"); } } });