随机函数产生10000个随机数，用快速排序、直接插入排序、冒泡排序、选择排序的排序方法排序，并统计每一种排序所花费的排序时间和交换次数。其中随机数的个数由用户定义，系统产生随机数。-Random function generates 10,000 random numbers using quick sort, direct insertion sort, bubble sort, selection sort sort sort method and statistics of each sort time spent sorting and switching times. Where the number of random numbers defined by the user, the system generates random numbers.