src/org/nutz/mvc/Mvcs.java
public static Set<String> getLocalizationKeySet() {
        Map<String, Map<String, Object>> msgss = getMessageSet();
        if (null == msgss)
            return new HashSet<String>();
        return msgss.keySet();
    }
public static Set<String> getLocalizationKeySet() {
        Map<String, Map<String, Object>> msgss = getMessageSet();
        if (null == msgss)
            return new HashSet<String>();
        return msgss.keySet();
    }
返回当前加载了的本地化字符串的键值

@return 当前都加载了哪些种字符串的 KEY