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@@ -0,0 +1,89 @@
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+<!DOCTYPE HTML>
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+<html>
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+ <head>
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+ <meta charset="utf-8">
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+ <title>测试websocket</title>
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+
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+ <script type="text/javascript">
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+ var imgData = null;
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+ function WebSocketTest() {
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+ if ("WebSocket" in window) {
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+ alert("您的浏览器支持 WebSocket!");
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+
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+ // 打开一个 web socket
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+ var ws = new WebSocket("ws://localhost:3000/live/img/33");
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+
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+ ws.onopen = function() {
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+ // Web Socket 已连接上，使用 send() 方法发送数据
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+ // ws.send("发送数据");
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+
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+ };
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+
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+ ws.onmessage = function(evt) {
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+ var received_msg = evt.data;
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+ var livedata = JSON.parse(received_msg);
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+ var data = livedata.rgbData;
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+
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+ if(!imgData){
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+ imgData = ctx.createImageData(livedata.width, livedata.height);
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+ }
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+
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+ for (var i = 0; i < data.length; i ++) {
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+ // imgData.data[i + 0] = data[i];
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+ // imgData.data[i + 1] = data[i + 1];
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+ // imgData.data[i + 2] = data[i + 2];
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+ // imgData.data[i + 3] = data[i + 3];
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+
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+ imgData.data[i] = data[i];
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+ }
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+
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+ ctx.putImageData(imgData, 0, 0);
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+ };
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+
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+ ws.onclose = function() {
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+ // 关闭 websocket
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+ // alert("连接已关闭...");
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+ };
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+ } else {
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+ // 浏览器不支持 WebSocket
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+ alert("您的浏览器不支持 WebSocket!");
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+ }
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+ }
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+
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+ var ctx = null;
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+ window.onload = function() {
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+ var ccc = document.getElementById("mycanvas");
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+ ctx = ccc.getContext("2d");
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+ // ctx.putImageData(imgData, 0, 0);
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+ }
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+
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+ // int转rgb
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+ function converArgbToRgb(argb) {
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+ var r = (argb & 0xff0000) >> 16;
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+ var g = (argb & 0xff00) >> 8;
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+ var b = (argb & 0xff);
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+
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+ imgData.data.push(r);
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+ imgData.data.push(g);
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+ imgData.data.push(b);
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+ imgData.data.push(255);
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+
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+ }
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+
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+ // rgb转int
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+ function converRgbToArgb(r, g, b) {
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+ var color = ((0xFF << 24) | (r << 16) | (g << 8) | b);
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+ return color;
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+ }
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+ </script>
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+
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+ </head>
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+ <body>
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+
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+ <div id="sse">
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+ <a href="javascript:WebSocketTest()">运行 WebSocket</a>
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+ </div>
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+ <canvas id="mycanvas" width="500" height="500" style="border: solid 1px #42B983;"></canvas>
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+
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+ </body>
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+</html>
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MisterZhang