1
下面的代码工作,服务器获取com
字符串,然后连接关闭,如果我取消注释bw.flush()
及其下一行,服务器不会收到com字符串并且它只是在br.readLine()
上等待响应(因为服务器没有收到com字符串,所以不会得到响应),如果我移动bw.close()
并将其置于bw.flush()
位置,则br.readLine()
将引发Socket关闭异常。套接字BufferedWriter.flush()不发送数据
public static void setupClient(String[] args) throws UnknownHostException, IOException{
Socket client = new Socket(InetAddress.getLocalHost().getHostName(), Server.DEFAULT_COMMAND_PORT);
BufferedWriter bw =new BufferedWriter(new OutputStreamWriter(client.getOutputStream()));
BufferedReader br =new BufferedReader(new InputStreamReader(client.getInputStream()));
String com=args[0]+(args.length==2?args[1]:"");
bw.write(com);
// bw.flush();
// System.out.println("response:"+br.readLine());
bw.close();
client.close();
}