java ftp上传删除文件

public void deleteFtpFiles(FTPClient client,String fileName,String fromPath) throws IOException{
??client.changeWorkingDirectory(fromPath);//切换到要删除的目录
??String[] str = client.listNames();//得到目录下的所有文文件
??for(String s :str){
???if(s.contains(fileName)){
????boolean flag = client.deleteFile(s);
????
???}
??}
??
?}