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请教大神,
% F, a7 p! S5 b% rfunction server(message, input_port, number_of_retries)
7 _& `+ S- o( G, E. N import java.net.Socket
" _" T; {- B' p# A& Z import java.net.ServerSocket) Y1 Y x8 [. s3 N& \
import java.io.** ` _& v. J4 k8 t; ~& l; \ P
( J _; }0 f. q& ] F7 j. W+ c if (nargin < 3). l& B" T0 r6 X- C" \( w
number_of_retries = 20; % set to -1 for infinite# q% B" K3 m; K! T# p$ g1 {
end
6 }! E, B# @) x0 i: G, a: e5 ~ retry = 0;0 H" R# j. N; Q1 N- f* S l
2 l& W1 \/ ~' C- F) i server_socket = [];& |, y, B! u( y3 s: \4 b" R
input_socket = [];
% V6 n$ ]# q9 v% w, `0 E1 I0 `/ ] server = [];
% c4 J5 O4 ^: A while true% ^" I% i/ V6 `8 U! p
3 ]# }$ p$ r- v1 r: J0 y8 g retry = retry + 1;
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try0 o4 k3 U: w0 p4 J
if ((number_of_retries > 0) && (retry > number_of_retries)) D8 _9 E+ H3 O, j9 c1 t' x
fprintf(1, 'Too many retries\n');
7 d. X4 v/ p6 |" a; ]* G0 ` break;0 g: V/ u) y! d! d( c9 S& ~
end# u$ Y$ L6 k( g1 b# k' ` L
) ~* G5 R! r& F2 N$ v! g fprintf(1, ['Try %d waiting for client to connect to this ' ...
# B4 Q1 r1 f+ Q7 u; `8 z: g 'host on port : %d\n'], retry, input_port);%listen
# ~& C, u0 d! Y) Z& {7 P* T! d% Z1 A7 p) a
% wait for 1 second for client to connect server socket
# w1 K* N2 J0 H7 Y' I: m- u0 F server_socket = ServerSocket(input_port);& ]+ l8 b2 b6 [7 @
server_socket.setSoTimeout(1000);( ~. N1 s# q5 k; Q. z N3 E9 k
D7 \7 Y8 X) x input_socket = server_socket.accept;
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# O. F" n( Y' r* o$ p! l fprintf(1, 'Client connected\n');%acceppt4 }2 ^- z3 y8 C5 V
pause(1.5);- s1 h$ n8 h$ p, |) g; F. s: Y0 _5 g
% get a buffered data input stream from the socket
) t( P$ I9 k/ G input_stream = input_socket.getInputStream;%获得网络连接输入,返回inputstream
" z8 }) R g3 ^. v d_input_stream = DataInputStream(input_stream);* \/ G+ q4 ^1 _" I/ x4 w, G" @
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% read data from the socket - wait a short time first% r* V; ?& C y6 F
pause(4.5);3 R( w/ M4 D4 a! ^* z0 I4 m
bytes_available = input_stream.available;
5 l8 |% d0 e' G8 n. v fprintf(1, 'Reading %d bytes\n', bytes_available);; A! c% F9 _' E) O, m+ C
' o( s- }# X" I( B7 a) l server= zeros(1, bytes_available, 'uint8');$ ?' x7 I, o2 m: E% C/ O
for i = 1:bytes_available
" c! N6 \% q. C8 O% Z server(i) = d_input_stream.readByte;' b3 x+ \% z, I6 g
end. z# w+ D& s6 i) K0 v
. J+ ?1 X# p) @3 R2 _# [ server = char(server);7 D; z7 P" `8 n: F
9 B X2 @3 p( ^- l: [
%接收结束关闭socket
, L. A7 o7 S! s catch
6 U" k6 ?" U$ P9 M1 S" w) K if ~isempty(server_socket); P7 w3 B/ y O+ G* O# T
server_socket.close
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, ?' _' U) k; a5 g: o if ~isempty(input_socket)8 `* k6 K k% S9 z8 I0 [
input_socket.close
( _) z* }7 h4 ^2 b& r end
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% pause before retrying
7 m- n4 n2 K7 u4 j- l B pause(1);% f9 A. J) J. ]( A4 V
end. U9 R# R3 k6 v5 u' y" r
end6 ]$ ]# J( W Q5 |9 N* y
end, Z; F [; Q# c c7 I+ r9 J
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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