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' R8 j/ d7 G2 Q/ q- k# P: G3 p" g+ P请教大神,; V5 b e1 K2 H
function server(message, input_port, number_of_retries)9 K8 i) r: l% v6 y2 o- s/ d* {9 x7 a
import java.net.Socket
2 L7 y' D( y% s1 s3 l import java.net.ServerSocket
0 ?" T7 M1 [3 @ import java.io.*
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& M1 L3 S0 u! E$ N/ s if (nargin < 3)
4 A4 g- S' k+ _; G number_of_retries = 20; % set to -1 for infinite
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retry = 0;
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server_socket = [];( e* O, |+ C) x! w! Z( p+ i
input_socket = [];! B6 R- W1 z+ D5 }& M }9 b
server = [];/ A2 k6 |5 b2 S4 l3 m- l
while true
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: z/ W8 ~/ x" u/ `$ } retry = retry + 1;
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try1 R; O. P0 F. Q2 z0 |, x
if ((number_of_retries > 0) && (retry > number_of_retries))9 f* Z+ P* R: n( E6 M
fprintf(1, 'Too many retries\n');
$ c: } |6 [( N' k8 L break;& X2 N/ }& s6 }+ f0 p2 u
end
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+ e: K% D6 {+ f9 M& b fprintf(1, ['Try %d waiting for client to connect to this ' ...
9 C' i# M8 r$ X8 z 'host on port : %d\n'], retry, input_port);%listen
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% wait for 1 second for client to connect server socket% i) E/ ]2 f2 I; q- j
server_socket = ServerSocket(input_port);
1 j. n$ G+ \0 p7 t' r4 Q server_socket.setSoTimeout(1000);$ {, y n1 C( ?% W
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input_socket = server_socket.accept;% u7 W4 I/ S3 ?) Y' n" k3 D, ^
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fprintf(1, 'Client connected\n');%acceppt/ [! {) w$ h! p% A
pause(1.5);& Q. w9 B4 h2 z. \, C* u' R
% get a buffered data input stream from the socket
/ N; G- c6 L5 R2 j- f- Y input_stream = input_socket.getInputStream;%获得网络连接输入,返回inputstream
4 { b) O+ o- q9 H1 P1 t d_input_stream = DataInputStream(input_stream);
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% read data from the socket - wait a short time first
8 m0 i8 \7 v( A7 [ pause(4.5);$ a: d/ W* ] a# ^9 e
bytes_available = input_stream.available;
5 S/ m6 \8 R! H2 @' [ fprintf(1, 'Reading %d bytes\n', bytes_available);/ R% M7 Q0 V' r* z' |) O4 k7 W
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server= zeros(1, bytes_available, 'uint8');
6 q1 N4 t' l2 ? for i = 1:bytes_available
* D+ T0 s: L5 [; e; A( L/ D server(i) = d_input_stream.readByte;
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: A) X) N* b& [, v' O, Q! Y7 @ server = char(server);7 z, ~* d7 l( }: Y6 H( h3 \- o9 N
7 A& ?) V' B( {5 K' t %接收结束关闭socket
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if ~isempty(server_socket)/ s5 n X" o" L9 u4 w" S8 k* D
server_socket.close
! Q+ D: G% a2 w end
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if ~isempty(input_socket)) D' i- K3 I; L- t6 E
input_socket.close
! m9 g. P' T0 d+ [ end
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% pause before retrying
/ U. V& O0 s) B pause(1);
, `4 d) k' e9 i) F end$ J3 |& }1 f- f1 b
end2 Q& j" q, \- z' {
end9 B$ ^8 V" ?! X
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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