/** 取得指定在enum中所标注的、指定locale的消息串，并格式化之。 */
public String format(T key, Locale locale, Object... args) {
ResourceBundle bundle = getBundle(locale);
String strKey = String.valueOf(key);
String message;
try {
message = format(bundle.getString(strKey), args);
} catch (MissingResourceException e) {
StringBuilder buffer = new StringBuilder();
buffer.append(strKey).append(": ");
if (args != null && args.length > 0) {
for (Object arg : args) {
buffer.append(arg).append(", ");
}
}
buffer.setLength(buffer.length() - 2);
message = buffer.toString();
}
return message;
}
