本学习手册函数源码由YJPZC网上收集基本 都保留原作者相关信息,有的是直接发的源 码代码中就没有作者信息统计量过大，请见 谅.-The study manual function source is collected by YJPZC basic online Have retained the original author-related information, some sent directly source Code code no statistical o