Spring中后台字符串国际化

package com.luxl.action;

import java.util.Locale;
import java.util.ResourceBundle;

/**
 * @description 用于获取国际化字符串
 * @author luxl
 *
 */
public class UniversalMsg {
    
    private static ResourceBundle rb_ch = ResourceBundle.getBundle("messages",Locale.CHINA);
    
    private static ResourceBundle rb_en = ResourceBundle.getBundle("messages", Locale.US);
    
    /**
     * @description 获取key的国际化字符串
     * @param locale 语种：中文（Locale.CHINA），英文（Locale.US）
     * @param key 要获取的字符串的key
     * @return
     * @throws Exception
     */
    public static String getString(Locale locale, String key) throws Exception{
        if(key!=null && (!key.trim().isEmpty())){
            if(locale.equals(Locale.CHINA)){
                return rb_ch.getString(key);
            }else{
                return rb_en.getString(key);
            }
        }else{
            return "";
        }
    }
    
    /**
     * @description 获取key的中文字符串
     * @param key
     * @return
     * @throws Exception
     */
    public static String getString(String key) throws Exception{
        if(key!=null && (!key.trim().isEmpty())){
            return rb_ch.getString(key);
        }else{
            return "";
        }
    }

}

try {
    String us_msg;
    us_msg = UniversalMsg.getString(Locale.US,"HelloWorld");
    us_msg = us_msg.replaceAll("@0", helloWorld.getMsg());
    us_msg = us_msg.replaceAll("@1", Calendar.getInstance().getTime().toString());
    System.out.println(us_msg);
} catch (Exception e) {
    // TODO Auto-generated catch block
    System.out.println("error");
    e.printStackTrace();
}