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8 J8 L3 `$ x1 [- B请教大神,& j5 F8 N! \9 L) Q9 K
function server(message, input_port, number_of_retries)! a& F' s- E( I' P+ |, e
import java.net.Socket
7 v) H! j/ G. E, b5 \. i( H E import java.net.ServerSocket
5 Z: k Q9 \( t3 E import java.io.*) A; D& V0 r. d" H/ u6 Q
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if (nargin < 3)# a6 Z# n+ j' o8 N& x) |- a
number_of_retries = 20; % set to -1 for infinite
% U) T6 Z7 L0 S+ m1 ?1 W# y. Q" Z end
7 b7 u O- r( v4 J w# n retry = 0;
% R+ j7 V" U0 W2 i) ^+ ^+ I3 u* k, N6 l: T) m
server_socket = [];
- L1 K; l0 J( S8 `$ f5 ^ input_socket = [];
! J! j& o1 r3 P% o, E server = [];
- X* g0 N: I+ A3 Z while true/ R) R) h& j4 j2 c; H" m
3 |* y) D# D( e4 B! \ retry = retry + 1;$ D/ ?# w. @2 K: T: I% C9 y
, g# G; M+ |2 L+ E: a% [" d9 x1 K: r try' I# F; J- D- G1 |
if ((number_of_retries > 0) && (retry > number_of_retries))% f, f& F$ f, @6 S3 s
fprintf(1, 'Too many retries\n');+ H. D6 J* g" X7 n) w+ _- c A
break;: p% C4 t7 B$ N p$ Q
end
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- m; ~+ k" e' J/ t* v: i' o fprintf(1, ['Try %d waiting for client to connect to this ' ...
N! J8 f4 p0 a2 c" o2 g) B 'host on port : %d\n'], retry, input_port);%listen
6 ~2 z, Z, K* l/ T2 q- `$ ` \% o2 @% ]+ |9 J
% wait for 1 second for client to connect server socket
7 M1 h0 l+ \) f( w. n4 X r1 o0 l server_socket = ServerSocket(input_port);
7 P9 U# K% N) @% j2 W server_socket.setSoTimeout(1000);
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input_socket = server_socket.accept;" p6 V( f/ J0 p" l
' i. m b1 X$ P) H" T$ i3 s fprintf(1, 'Client connected\n');%acceppt
$ N3 K7 U& ~1 [! s ^7 X: { pause(1.5);
- g# W' @. ]8 _) v % get a buffered data input stream from the socket
; m) W/ m& K/ f) f" x8 z. J; r input_stream = input_socket.getInputStream;%获得网络连接输入,返回inputstream
7 G8 L1 p% l3 l0 N( V, P d_input_stream = DataInputStream(input_stream);7 C8 {% ]( D5 s1 \ E
* y' G% j" O! {3 ~ % read data from the socket - wait a short time first% ^9 K3 t0 l3 ^7 `
pause(4.5);
# Z' o# {; t) e& ?2 E bytes_available = input_stream.available;! V7 ` Y" L/ B2 l) W
fprintf(1, 'Reading %d bytes\n', bytes_available);% z( n2 F! i5 w8 f& e
/ D% h4 g6 C9 g) ? server= zeros(1, bytes_available, 'uint8');
( [8 h) F. ?( H: s% W for i = 1:bytes_available7 p) u4 L) ^- X- p& o7 s: w, ?
server(i) = d_input_stream.readByte;6 N2 I8 v: o2 D! d! U' {0 Z+ i
end3 R5 s8 P1 K& O- M& V, z$ B, u+ t) B
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server = char(server);+ C0 n0 X% ?2 k8 w
% {' J, b5 w& D" d! v %接收结束关闭socket
# q3 b. Z1 d# p3 p% M; T catch
6 p. {. D' M4 J6 d if ~isempty(server_socket)
* |$ @( t; @9 P server_socket.close
- s7 B$ i* |. }% v- m" H end
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if ~isempty(input_socket)6 ?7 ^8 ~ K, v v+ e9 Y
input_socket.close
# c. S3 n& A& G8 m& y end' Y0 _5 [9 { l' }5 ~! ^
# `8 J( j: D. P' \4 v) E6 G
% pause before retrying4 e: e4 k6 x( ]6 d! v& q; `) Z# V
pause(1);
) k0 j; ^0 _( d' b% C' a a2 n, X end) G0 w* |$ w8 s4 N# S
end
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此程序运行后能得到读取到数据了,那么数据是在input_stream里吗?怎么把里面的数据显示到GUI上?非常感谢!4 K# J ?' q2 I" I/ N( a; ?5 y/ Q
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