Error command "if not exist" \ DLL "mkdir" \ DLL "xcopy" \ bin \ debug \*. * "" F: \ 647 \ vs project \ etrolmes2014sy \ framework \ DLL "/e/I/y" has exited and the code is 9009

Analysis Error

Step 1: Observe the error and find that no corresponding compilation file is generated in the plugin folder.

Step 2: The xcopy command cannot be executed. Why cannot Baidu xcopy be executed?

Step 3: search and find that the environment variables are not correctly configured.

That is, add "C: \ WINDOWS \ System32" to the environment variable path (which can be case sensitive, just find it "!
The specific steps are as follows: My computer --- Right-click --- properties ---- advanced ---- environment variable ---- find path (case-insensitive) in the system variable --- double-click it ---- in its variable value (V) add "C: \ WINDOWS \ System32 "!