[https://blog.csdn.net/zf18234031156/article/details/104905593/](https://blog.csdn.net/zf18234031156/article/details/104905593/)
方式1：MessageFormat.format（）
String format = MessageFormat.format("aaa{0}bbbb{1}ccc", "张", "凡");System.out.println(format);//aaa张bbbb凡ccc
参考：www.cnblogs.com/pc-boke/art…
方式二：String.format()
String s = String.format("aaa%sbbbb%sccc", "张", "凡");System.out.println(s);
参考：https://blog.csdn.net/anita9999/article/details/82346552
方式三：StrUtil.format（）
String format = StrUtil.format(LivePkRedisKey.LIVE_PK_ROOM_SUMMARY.getKey(),"张");System.out.println(format);
