用java SDK/bin目录下的native2ascii将ApplicationResources.properties中的中文转化成unicode码实现国际化

转载于 2007-08-22 10:47:00 发布 · 1.7k 阅读

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#java #servlet #encoding #eclipse #class #工具

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本文介绍如何在Java项目中使用资源文件进行多语言支持，包括创建ApplicationResources.properties_zh文件存储中文资源，使用native2ascii工具将文件转换为Unicode格式，并通过ResourceBundle获取不同语言环境下的字符串。

1.在clipsee中创建这样一个文件ApplicationResources.properties_zh,自然里边就用来保存中文了.而且系统会自动地以GBK的方式存储该文件,所有该文件在eclipse里也可以显示,不至于像 ApplicationResources.properties 那样出现乱码.

2.用native2ascii工具转换该文件成unicode码,这个工具就在jdk的bin下,使用的方式如下:
native2ascii.exe ApplicationResources.properties_zh ApplicationResources.properties

ant：
<native2ascii src="${dir.target}" includes="Resources.properties" dest="${dir.target}/ascii" encoding="utf-8"/>

详细说明：http://ant.apache.org/manual/OptionalTasks/native2ascii.html

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

测试 ResourceBundleTest.java

import java.util.Locale;

import java.util.ResourceBundle;

public class ResourceBundleTest {

public static void main(String args[]) {

ResourceBundle rb = ResourceBundle.getBundle("LocalStrings", Locale.CHINA);

//LocalStrings 为peoperties文件的文件名称

String title = rb.getString("helloworld.title");

System.out.println(title);

}

}

LocalStrings_zh.properties

# This locale is zh_CN

helloworld.title = 你好啊 ~~

输出乱码~~
用native2ascii.exe把中文格式化

# This locale is zh_CN

helloworld.title = 你好啊 ~~

输出:
你好啊~~
在Servlet中的例子应用,Tomcat下的例子,根据request不同选择响应的语言也不相同

/*

* Copyright 2004 The Apache Software Foundation

*

* Licensed under the Apache License, Version 2.0 (the "License");

* you may not use this file except in compliance with the License.

* You may obtain a copy of the License at

*

* http://www.apache.org/licenses/LICENSE-2.0

*

* Unless required by applicable law or agreed to in writing, software

* distributed under the License is distributed on an "AS IS" BASIS,

* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

* See the License for the specific language governing permissions and

* limitations under the License.

*/

/**/ /* $Id: HelloWorldExample.java,v 1.3 2004/03/18 16:40:33 jfarcand Exp $

*

*/

import java.io. * ;

import java.text. * ;

import java.util. * ;

import javax.servlet. * ;

import javax.servlet.http. * ;

/** */ /**

* The simplest possible servlet.

*

* @author James Duncan Davidson

*/

public class HelloWorldExample extends HttpServlet {

public void doGet(HttpServletRequest request,

HttpServletResponse response)

throws IOException, ServletException

{

ResourceBundle rb =

ResourceBundle.getBundle("LocalStrings",request.getLocale());

response.setContentType("text/html");

PrintWriter out = response.getWriter();

out.println("<html>");

out.println("<head>");

String title = rb.getString("helloworld.title");

out.println("<title>" + title + "</title>");

out.println("</head>");

out.println("<body bgcolor="white">");

// note that all links are created to be relative. this

// ensures that we can move the web application that this

// servlet belongs to to a different place in the url

// tree and not have any harmful side effects.

// XXX

// making these absolute till we work out the

// addition of a PathInfo issue

out.println("<a href="../helloworld.html">");

out.println("<img src="../images/code.gif" height=24 " +

"width=24 align=right border=0 alt="view code"></a>");

out.println("<a href="../index.html">");

out.println("<img src="../images/return.gif" height=24 " +

"width=24 align=right border=0 alt="return"></a>");

out.println("<h1>" + title + "</h1>");

out.println("</body>");

out.println("</html>");

}

}

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