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请教大神,* }. h5 M+ R+ s: q, I
function server(message, input_port, number_of_retries)
# t; V) C3 I+ [1 A0 W6 e import java.net.Socket
5 f; N, j: {5 H) l& V0 a, [8 V3 i import java.net.ServerSocket
, H0 B3 o. E7 e; s: e8 c$ x1 k9 H import java.io.*1 L3 x" J/ a- x0 z9 ~
4 _$ q2 v d7 \) D if (nargin < 3)3 R! z0 [* d1 [1 }8 }2 n+ P; c
number_of_retries = 20; % set to -1 for infinite% m: }, ]# Q& a K* }5 Q: w" v
end9 I$ a5 B4 K* x
retry = 0;% C+ U" f8 b7 Z& C! O8 ~! ~4 F
5 U. X& K* A: D" t1 j$ w server_socket = []; \! \% S( Z& ?& o" `; p
input_socket = [];
8 ?: k; E" V% B server = [];7 m, P' H2 a! ^+ ] {
while true) P$ C$ K* R: y0 Q! G
9 |( E( }* x* U5 _3 J retry = retry + 1;/ Q/ z/ S" L0 o2 y
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if ((number_of_retries > 0) && (retry > number_of_retries))
* b/ x4 o! i) n. V fprintf(1, 'Too many retries\n');
# @/ }" n+ Y, {6 W! ?1 I( s0 p break;
- W& A% ]* E( u+ M! Z8 G! j end/ B9 u0 f2 ]. d# r- P7 c" n
* Q; u: |4 `1 `" Y& _1 Q3 ^ fprintf(1, ['Try %d waiting for client to connect to this ' ...) e2 W9 {# N0 k' G" q9 |* {- d! L
'host on port : %d\n'], retry, input_port);%listen- B9 s0 v3 J8 X% u/ @ n
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% wait for 1 second for client to connect server socket
3 ?$ b" U* k) W$ { server_socket = ServerSocket(input_port);( w7 R T2 ^* D: z. g8 m
server_socket.setSoTimeout(1000);# ^7 ] m$ q8 ?2 L1 @* o
& l. a' k9 I" G1 y input_socket = server_socket.accept;
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fprintf(1, 'Client connected\n');%acceppt
@! X" W" q: J' H8 j. Y pause(1.5);
6 c: Y% Z0 a, h6 \5 A2 g0 x % get a buffered data input stream from the socket
c, s: t5 M+ w0 \7 o input_stream = input_socket.getInputStream;%获得网络连接输入,返回inputstream
% I. ]) i* n* A- d. H d_input_stream = DataInputStream(input_stream);9 y3 [0 v, D3 `
% m# H% P3 W- |0 W/ l % read data from the socket - wait a short time first
* }, N( D( q" T8 ~! t pause(4.5);7 \* G( ?5 B" n; v$ p0 q: O2 p" }3 f1 |
bytes_available = input_stream.available;
5 _* T5 W. F! Q9 k fprintf(1, 'Reading %d bytes\n', bytes_available);3 B% ~1 C3 y" T
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server= zeros(1, bytes_available, 'uint8');
) l8 e* I+ D0 F for i = 1:bytes_available2 @4 ?5 K! J6 B) s& ^; L" @
server(i) = d_input_stream.readByte;! o/ M x' @! |) \0 P* _$ @; y
end' u; h* r& I6 m/ m
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server = char(server);
; J3 e' ?. [3 d7 ~% ~
( @$ n4 t% {4 g: {7 } %接收结束关闭socket
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if ~isempty(server_socket)5 }* x, Z. ~8 E
server_socket.close
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if ~isempty(input_socket)# z; u+ P- G' y3 b% q8 _
input_socket.close# j; q+ s& T) Z; j2 m- Q6 N0 [. w
end& k1 O' K5 V9 w s& {
$ J' I: N" a* D. O+ v% o2 T % pause before retrying
. y0 f2 ~) }, d7 c pause(1);3 w7 [: i! q( c8 g! u; h8 |
end' z7 k( J/ j" v Q- O
end8 X, n& k$ a/ N ~0 D2 f' \
end
5 N! s2 r, U- d( _) {$ W. D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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