本文中笔者想介绍一下后缀数组的基本概念、构造方法，以及配合后缀数组的最长公共前缀数组的构造方法，最后结合一些例子谈谈后缀数组的应用-In this article I want to tell us about the basic concept of suffix array, construction methods, and the suffix array with the longest prefix of an array of public constructor, and finally combined with some examples to talk about the application of suffix array