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请教大神,
) l$ Q7 \0 C( K" y% ^7 ifunction server(message, input_port, number_of_retries)8 |3 f+ o8 J6 L( L
import java.net.Socket
$ L, n7 X e# p, N3 W9 u S import java.net.ServerSocket/ V S0 A. O: `9 e# S# g
import java.io.*4 \' v3 G; T, g* O, R2 Y
1 S* E% a; f6 u# z. J }: q if (nargin < 3)
; ?: G# l6 ?$ _+ x number_of_retries = 20; % set to -1 for infinite
7 L& _2 Y3 Y% P end
( y) x6 n; ], p1 F* o" I retry = 0;$ p& Y" P$ L/ n1 l+ x+ k
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server_socket = [];
! P, L. t# c8 P4 H' L, F P input_socket = [];$ `+ z' Y S% ~9 y( \, A2 G7 l
server = [];
4 {2 d2 f+ ^+ g& v while true5 T p2 [% E W V: l7 t, G! W
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retry = retry + 1;0 _0 E: D7 j; ]& s8 o( c3 V1 Q
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try/ e4 u! ^5 ?7 Q
if ((number_of_retries > 0) && (retry > number_of_retries))1 l- h' \! u! i2 z5 c4 m3 y
fprintf(1, 'Too many retries\n');2 O9 R Z1 N3 J/ F1 T* o. [% T4 ~ `
break;
; C; W" c S( o end7 F* q F& i- e; x
; n- C7 G4 i2 {$ @2 f fprintf(1, ['Try %d waiting for client to connect to this ' ...
! j8 \+ K; h' R 'host on port : %d\n'], retry, input_port);%listen
5 \) j" K0 P' q+ ]1 W7 j; {
+ V! `' u+ u2 u) @8 j" e % wait for 1 second for client to connect server socket
" ?9 T' {6 Q: {, q1 M7 O# U( U: ~ server_socket = ServerSocket(input_port);
- s& x; N) D5 {8 C% \; I server_socket.setSoTimeout(1000);
! n+ w2 u4 Q9 E* F9 [ _
3 S8 C: M! R5 r% i; k1 [4 w input_socket = server_socket.accept;
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& T0 }) K( K/ r8 i fprintf(1, 'Client connected\n');%acceppt$ M3 a7 U4 t; U
pause(1.5);
6 b7 z; y7 D4 i % get a buffered data input stream from the socket
- i) E: { R5 {3 @; W J9 ]0 h input_stream = input_socket.getInputStream;%获得网络连接输入,返回inputstream
+ b7 Z7 V& w7 x8 E0 x/ s2 m d_input_stream = DataInputStream(input_stream);$ }& M; d* m3 Q* \+ |7 R/ @
2 ~. x* V. R7 a0 z1 G0 C
% read data from the socket - wait a short time first- X/ L0 u8 K% c) p
pause(4.5);2 @: {- l& V8 l- v, W: {8 h
bytes_available = input_stream.available;
1 m4 ^; Q% X' f fprintf(1, 'Reading %d bytes\n', bytes_available);7 o- x8 S1 O7 E! [ Z
! A7 Q8 P& R* }# z) j6 _3 Z server= zeros(1, bytes_available, 'uint8');
3 ^4 J/ p# B0 _4 h* \; n3 N: ]- v6 n for i = 1:bytes_available0 `) B. z5 W. e' u& E: c
server(i) = d_input_stream.readByte;
5 r1 F4 s' [$ x6 F end- A4 u7 V8 M' `# J
$ C& _4 d3 a7 c, n3 G) r& V; L- l& s server = char(server);
9 J$ A* W, T: B- b" X: r) X
* _& n5 c2 v8 |6 U2 s3 ^ %接收结束关闭socket
0 D& h L3 a" u9 W) F" ?. R9 N catch
7 C% y, e' a G/ ]5 A if ~isempty(server_socket)! } j, T0 N) y, c7 l" p
server_socket.close- y, A+ U5 v5 r/ F; f
end, U' u7 }' N# W/ H7 k+ f$ x% q
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if ~isempty(input_socket)8 b- V Z: O* M- K
input_socket.close
- n1 a: P3 e: Q. P/ ?, x$ G5 v end
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% {, j: c' T$ ] ^7 Z6 U" ^ % pause before retrying
5 T2 v% X1 e9 K. f: v- g9 Q3 r* q pause(1);
" Y1 ]; ~* T) u# F- B3 P end# n+ I' v/ Q; x* ?9 H# O
end
- c x! `' a: Z" }end5 T' L3 \. }4 b9 R: u% { t
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!
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