nginx代理webscoket
nginx配置，server域：
location ^~/ws {
proxy_pass http://192.16.8.2.2:7000/ws/;
proxy_redirect off;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header Host $host;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_http_version 1.1;
proxy_read_timeout 180s;
proxy_set_header Connection 'Upgrade';
proxy_set_header Upgrade 'websocket';
access_log logs/websocket_access.log;
error_log logs/websocket_error.log;
}
测试html：
<!DOCTYPE html>
<html>
<head>
<title>WebSocket示例</title>
<meta content='width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no' name='viewport' />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
</head>
<body>
<input id="text" type="text"/>
<button onclick="send()">发送消息</button>
<hr/>
<button onclick="closeWebSocket()">关闭WebSocket连接</button>
<hr/>
<div id="message"></div>
</body>
<script type="text/javascript">
var websocket = null;
//判断当前浏览器是否支持WebSocket
if ('WebSocket' in window) {
// 不带参数的写法
// websocket = new WebSocket("ws://127.0.0.1:18080/testWebsocket");
// 通过路径传递参数的方法（服务端采用第一种方法"@ServerEndpoint"实现）
websocket = new WebSocket("wss://app04.test.com/ws/websocket/231");
//websocket = new WebSocket("ws://localhost:7000/ws/websocket/231");
// 通过类似GET请求方式传递参数的方法（服务端采用第二种方法"WebSocketHandler"实现）
// websocket = new WebSocket("ws://127.0.0.1:18080/testWebsocket?id=23&name=Lebron");
}
else {
alert('当前浏览器 Not support websocket')
}
//连接发生错误的回调方法
websocket.onerror = function () {
setMessageInnerHTML("WebSocket连接发生错误");
};
//连接成功建立的回调方法
websocket.onopen = function () {
setMessageInnerHTML("WebSocket连接成功");
}
//接收到消息的回调方法
websocket.onmessage = function (event) {
setMessageInnerHTML(event.data);
}
//连接关闭的回调方法
websocket.onclose = function () {
setMessageInnerHTML("WebSocket连接关闭");
}
//监听窗口关闭事件，当窗口关闭时，主动去关闭websocket连接，防止连接还没断开就关闭窗口，server端会抛异常。
window.onbeforeunload = function () {
closeWebSocket();
}
//将消息显示在网页上
function setMessageInnerHTML(innerHTML) {
document.getElementById('message').innerHTML += innerHTML + '<br/>';
}
//关闭WebSocket连接
function closeWebSocket() {
websocket.close();
}
//发送消息
function send() {
var message = document.getElementById('text').value;
websocket.send(message);
}
</script>
</html>
