如何用java连接到ftp上
小弟刚学java,不是很懂
Socket s=new Socket("192.168.30.201",21);
这样算不算连上了ftp?
InputStreamReader streamReader=new InputStreamReader(s.getInputStream());
BufferedReader reader=new BufferedReader(streamReader);
String advice =reader.readLine();
System.out.println(advice);
PrintWriter writer=new PrintWriter(s.getOutputStream());
System.out.println("networking established");
writer.println("peng");
writer.flush();
advice =reader.readLine();
System.out.println(advice);
这样就会直接出来登录错误,求指教