一个简单、快捷、实用的随机数组产生方法类，经调试通过，注：本压缩包内没有附带示例程序，你需要自己编写一个实例程序进行测试-A simple, fast and practical method for forming the random array of classes, after debugging through, Note: This archive is not included within the sample program, you need to have written an example program to test