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public void readFiles(){
File file = new File("/file/" + this.getUserName());
File[] files = null;
if(file != null){
files = file.listFiles();
}
List<String> fileList = null;
for(File f : files){
String fileName = f.getName();
fileList.add(fileName);
}
ActionContext.getContext().put("files", fileList);
}
public void getFilesName(List<String> list, File dir){
if(dir.exists() && dir.isDirectory()){
File[] files = dir.listFiles();
for(File f : files){
if(f.isFile()){
list.add(f.getName());
}else{
getFilesName(list, f);
}
}
}
}
List<String> fileList = null;
改成List<String> fileList = new ArrayList<String>();
public static void main(String[] args) {
File file = new File("E:\\");
for (String filename : file.list())
System.out.println(filename);
}