摘要: File dir=new File("\\root"); File f1=new File(dir,"fileOne.txt"); File f2=new File(dir,"fileTwo.java"); if(!dir.exists()) dir.mkdir(); if (!f1.exists( 阅读全文
posted @ 2018-02-01 17:07 Debugs 阅读(118) 评论(0) 推荐(0)