{{{ #!html
JSP 支援多國語系
Tomcat + JSP + i18n + taglib
}}} [[PageOutline]] = 環境 = * sun java jdk 6 * tomcat 6 * 參數說明 || $tomcat || 代表你放tomcat的路徑。如 /opt/tomcat/ || || $pj || 代表你的project 名稱。如：i18n || || $worspace || 代表你Eclipse該專案所放置的路徑。如：/home/myname/workspace/ || * 以下提供兩種實做的方法，第一種是直接放到 tomcat 下的目錄下；第二種方法用Eclipse 輔助編輯與即時編譯 = 說明 = 開發jps上的i18n，基本上要準備的有 （Tomcat + JSP + i18n + taglib） 並且將內容分成三大部份，1. i18n函式庫設定 2. 多國語系參數properties檔 3. JSP 程式碼 == 1. i18n函式庫設定 == === web.xml === (可參考附件) || Tomcat || $tomcat/webapps/$pj/WEB-INF/web.xml || || Eclipse || $worspace/$pj/WebContent/WEB-INF/web.xml || {{{ #!xml i18n index.html index.htm index.jsp http://jakarta.apache.org/taglibs/i18n-1.0 /WEB-INF/taglibs-i18n.tld }}} === taglibs-i18n.tld === || Tomcat || $tomcat/webapps/$pj/WEB-INF/taglibs-i18n.tld || || Eclipse || $worspace/$pj/WebContent/WEB-INF/taglibs-i18n.tld || [http://trac.nchc.org.tw/cloud/raw-attachment/wiki/waue/2010/0805/taglibs-i18n.tld (可下載附件)] === taglibs-i18n.jar === || Tomcat || $tomcat/webapps/$pj/WEB-INF/lib/taglibs-i18n.jar || || Eclipse || $worspace/$pj/WebContent/WEB-INF/lib/taglibs-i18n.jar || [http://trac.nchc.org.tw/cloud/raw-attachment/wiki/waue/2010/0805/taglibs-i18n.jar (可下載附件)] == 2. 多國語系參數properties檔 == === i18n_en.properties === || Tomcat || $tomcat/webapps/$pj/WEB-INF/classes/org/mytest/i18n_en.properties || || Eclipse || $worspace/$pj/src/org/mytest || {{{ #!text test1 = Hello world test2 = Now you can let jsp i18n using i18n taglib! }}} === i18n_zh_TW.properties === * utf8 轉碼工具 [http://www.tool.la/UTF-8/] || Tomcat || $tomcat/webapps/$pj/WEB-INF/classes/org/mytest/i18n_zh_TW.properties || || Eclipse || $worspace/$pj/src/org/mytest || {{{ #!text test1 = 你好！世界 test2 = 你現在已經能讓你的JSP使用I18N的taglib跟世界接軌囉！ }}} == 3. JSP 程式碼 == === index.jsp === || Tomcat || $tomcat/webapps/$pj/index.jsp || || Eclipse || $worspace/$pj/WebContent/index.jsp || {{{ #!java <%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" import="java.io.*,java.text.*,java.util.*,javax.servlet.jsp.*" %> <%@ taglib uri="http://jakarta.apache.org/taglibs/i18n-1.0" prefix="i18n" %> <%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %> <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %> Examples of I18N Custom Tag Library Tag Usage This page displays all key/value pairs in the bundle. locale = <%= pageContext.getResponse().getLocale() %>
charset = <%= pageContext.getResponse().getCharacterEncoding() %>

WebApp translations

<% Locale locale = new Locale("zh",""); %>
1
2
<% locale = new Locale("en",""); %>
1
2
}}} == 結果 == http://localhost:8080/$pj/index.jsp {{{ #!html Examples of I18N Custom Tag Library Tag Usage This page displays all key/value pairs in the bundle. locale = zh_TW
charset = UTF-8

WebApp translations

1 你好！世界
2 你現在已經能讓你的JSP使用I18N的taglib跟世界接軌囉！
}}}