一个排序树的实例,按照输入的键值进行排序.稍微修改一下键值的结构,就可以用在其他方面.内含一个修改过的树代码,可以当作map来用-Examples of a sort tree, in accordance with the input of key sort. Slightly modify the structure of some key, you can use in other areas. Contains a revised tree code, can be used as a