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伪直播功能Websocket服务器5 y2 v. z9 m: j) _0 F
- socket 通信技术就是两台联网的计算机之间交换数据的技术,这就是 socket 的全部内容了吗?是的!socket 编程远比想象中的简单很多,阅读完这套简明的入门教程你就能胜任简单的 socket 编程了。
复制代码 创建websockt服务代码如下 - error_reporting(-1); ' V b8 \) ]7 j
- //创建socket服务2 [( `/ o( M7 u! O
- $ws = new swoole_websocket_server("0.0.0.0", 9502);+ q* Q/ q% t$ i9 Q9 C7 N
- //监听WebSocket连接打开事件% C/ K3 a( p, F! L# Z( Z: b
- $ws->on('open', function ($ws, $request) {
) \/ B5 c) N; Q7 N& o9 C; l6 b - var_dump($request->fd, $request->get, $request->server);
1 g* V8 _2 q' n - $ws->push($request->fd, "hello, welcome\n");
5 L: g' o6 ?( v; z' i& n' E - });
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- //监听WebSocket消息事件( l9 V3 t( a: G& Q
- $ws->on('message', function ($ws, $frame) {
Y: E$ j8 B8 Q! x3 A$ ] - //推送消息给所有用户
, V3 h, r! E+ r3 \3 y$ } S" k - foreach($ws->connections as $fd){, W5 E$ e9 ?, }" p) {% z2 \
- $ws->push($fd, $frame->data);
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- });* Z% E5 P' S9 A+ ?) r% k
- $ `7 p* w+ r& f' Z
- //监听WebSocket连接关闭事件
% q [$ s* }& g- J' d8 ]- T1 e - $ws->on('close', function ($ws, $fd) {# D) i0 l" N) ~3 Y" Q2 p; E
- echo "client-{$fd} is closed\n"; q* W6 m: P Z# [, g' K
- });
' S" j# P5 |3 B( B: Z: G6 }( k& H - //启动服务! I2 e' t! u! R$ w) R% X8 ~1 ~9 S
- $ws->start();
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复制代码
: ]: z5 b7 E/ {& IWebsocket客户端- socket 通信技术就是两台联网的计算机之间交换数据的技术,这就是 socket 的全部内容了吗?是的!socket 编程远比想象中的简单很多,阅读完这套简明的入门教程你就能胜任简单的 socket 编程了。
复制代码 创建websocket客户端2 ^ P0 ^% D# O8 B7 i' u6 q
代码如下 - //连接服务器' x# @$ X! ~) i; p
- const socket = new WebSocket('ws://lm.com:9502');9 [2 i* {8 Q/ C Q( i% f
- //Connection opened
7 K b4 Z* J+ G h- W9 e - socket.addEventListener('open', function (event) {
' E- Y9 @+ K6 F2 L. p* ?6 N - //发送消息给服务器' G# {! E, l( ]! l/ r+ Z }
- socket.send('Hello Server! im websockt');
& T! ]' h6 w' P4 ?0 k - });
- @- M' N% @+ i2 A2 m - // Listen for messages
7 [" O$ l- n c+ z - socket.addEventListener('message', function (event) {
7 h% a( A) f, [- w/ P2 H' ] - //接收服务器返回信息
0 Y7 r7 ?8 ^ P7 X6 f( }$ h - console.log('Message from server ', event.data);& o- h8 ] d* F$ ] |- Q9 ~/ [! o
- });+ q* F: G% I2 I+ [/ b# A# F% A: j
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复制代码 伪直播主播页面 [3 h& ]: p! P. C
html - <body>! [9 S9 G6 Q" z c: n
- <video id="myVideo" src="./video/tikto.mp4" style="height:auto;width: 350px;" controls=true muted=true></video>1 r* b- Z c2 e9 M
- <canvas id="myCanvas" width="350" height="700" style="border:1px solid #d3d3d3;"># l; W- n, P( y" n6 I# `' A
- 画布
/ E" o4 r7 X& `0 u4 _" ] - </canvas>
' R v m2 V1 y! ^& I$ u& p - <img src="" id="videoImage" width="350" height="700">: f. w. Q, m1 S* E: @
- <button onclick="aphla()" style="height: 50px;width: 50px;">播放</button>
0 W9 q k- `0 R, f2 @" C - <button onclick="vdStop()" style="height: 50px;width: 50px;">暂停</button>4 K1 i, E; k' S) }
- </body>
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复制代码javascript - var v = document.getElementById("myVideo");
6 Y5 ~2 Q q( Q& v7 C% d - var c = document.getElementById("myCanvas");" ~! Q+ f8 o8 H1 p: d0 Z
- // var c = document.createElement("canvas");1 b( D! \' x3 r: _* s+ L3 T
- var img = document.getElementById("videoImage");
) J+ S$ v R3 r+ ~9 \ - ctx = c.getContext('2d');2 @' _0 D" {/ L0 k6 R
- var dataUrl;, W0 _: d. U/ X
- const socket = new WebSocket('ws://xxxx.com:9502');
1 S$ K# k6 T: g% d - //Connection opened
' |3 P$ p' H. g7 z3 |6 o - socket.addEventListener('open', function (event) {
' P0 ]% J9 \0 Z& W* O - // socket.send('Hello Server! im websockt');
5 d8 O, |& W* M) M! ?- ~/ X" i8 U, s - });: ~. Y1 ^) M9 L+ p
- // Listen for messages
$ F6 q& r6 H4 ^% t - socket.addEventListener('message', function (event) {& u$ \: d& H& ~7 P
- console.log('Message from server ', event.data); d# h& T4 n% Z4 u( E. k4 G, a% |: w
- img.src = event.data;
5 B6 Z Z9 I" I8 H" \+ @ - });; |1 e; k1 v3 G" V- J' `
% K, ?2 A0 s6 @0 H% {. y- function playVideo() {+ L% v$ V& Y1 t N7 \% C
- ctx.drawImage(v, 0, 0, 350, 700);
" s% ]1 y* L: z - dataUrl = c.toDataURL("image/png");' x U$ x* r j/ ?" X p! }
- // img.src = dataUrl;
5 B1 F _- P' C1 o2 w9 I - socket.send(dataUrl);
# p2 w4 r5 r* b8 Z - }0 B6 n* V. F+ w4 G9 k
- var tick;; S; K& C- J }5 H- I+ t3 L
- function aphla() {! B5 @) p0 g( C h! \* a9 p: z
- tick = setInterval(function () {
# W7 A- L+ @- E - playVideo();
. _) B3 I& ~6 T% H - }, 1);8 R B) Z# @+ E/ k0 H
- } h f b9 e) M# Z2 F8 O9 h! X( v
- function vdStop() {
[0 X3 a; |& Q2 J; ^ - clearInterval(tick);
# ^' ^0 e5 w/ ]1 Z - }+ b- C. N7 C) M! }6 C2 o
复制代码 用户页面7 T7 @- N" J* U) ^! n) n5 C
html - <img src="" id="liveImg">
复制代码javascript - var img = document.getElementById("liveImg");
. `8 w, [. I5 q: M6 z A3 S - const socket = new WebSocket("ws://lm.com:9502");
]+ R6 m1 ~& M3 @ - //
/ m) Y; d/ T Z0 |1 b; @' } - socket.addEventListener('open',function(){
9 d/ b: x( C# B* G( l5 A" ~ - socket.send('Hello Server! Im live.html');
g1 N0 F( v' \' K - });/ _+ R w0 u* q! H) |
- // Listen for messages% a; `( h8 m, M p+ O* s
- socket.addEventListener('message', function (event) { f0 Z1 C3 U) j/ { s
- //图片地址: S) I4 ^4 {6 T0 ~1 `! k
- img.src = event.data;
1 n/ Z9 A) L/ Y - });" q1 d( Z. I/ s& Y8 O- b f
复制代码真直播应是通过rtmp推流实现的,本次功能仅作为swoole框架的一个案例用法
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