title: maven copy multiple files from different resource folders to a single tagert folder
body: <p>Suppose </p>
  
  <p>file1.txt, file2.txt under src/main/resource/folder1/folder2/</p>
  
  <p>and file3.txt under src/main/resource/folder2/</p>
  
  <p>I want all txt files under target/testFolder/</p>
  
  <p>Can anyone tell me how to do this? Thanks</p>