code: public static FastDateFormat getTimeInstance(final int style, final TimeZone timeZone, final Locale locale) {
  		return cache.getTimeInstance(style, timeZone, locale);
  	}
docs: 获得 {@link FastDateFormat} 实例<br>
  支持缓存
  
  @param style time style: FULL, LONG, MEDIUM, or SHORT
  @param timeZone optional time zone, overrides time zone of formatted time
  @param locale {@link Locale} 日期地理位置
  @return 本地化 {@link FastDateFormat}