提示错误:
F:\learntest
D:\learntest
F:\learntest\.metadata
D:\learntest\.metadata
Exception in thread "main" java.io.FileNotFoundException: D:\learntest\.metadata (拒绝访问。)
at java.io.FileOutputStream.open(Native Method)
at java.io.FileOutputStream.<init>(FileOutputStream.java:194)
at java.io.FileOutputStream.<init>(FileOutputStream.java:84)
at javabase.CopyLayersFile.copy(CopyLayersFile.java:38)
at javabase.CopyLayersFile.copyDir(CopyLayersFile.java:31)
at javabase.CopyLayersFile.copyDir(CopyLayersFile.java:29)
at javabase.CopyLayersFile.main(CopyLayersFile.java:10)