实现各种内部排序，包括：1、直接插入2、简单选择3、快排4、堆排序输入待排数字后，菜单选择排序方式，部分排序有主要排序步骤。-Implementation of various internal sort, including: one, directly into the 2, 3 easy selection, fast row 4, HEAPSORT input figure to be ranked, the menu　Sort by, some sort has major sorting step.