版权声明:本文为博主原创文章,未经博主允许不得转载。 https://blog.csdn.net/jacke121/article/details/83685101
异常1:
transport=websocket' failed: Error in connection establishment: net::ERR_CONNECTION_REFUSED
这个原因是服务器没有开
异常2:
transport=websocket' failed: Error during WebSocket handshake: Unexpected response code: 400
WebSocket connection to 'ws://127.0.0.1:5000/socket.io/?EIO=3&transport=websocket' failed: Error during WebSocket handshake: Unexpected response code: 400
这个是服务器开了,握手失败:
原因:
不是这种方式:'transports': ['websocket']
解决:把 'transports': ['websocket']去掉就可以用了
var socket = io.connect( 'http://127.0.0.1:9000/warn/',
{
'sync disconnect on unload': true,
'transports': ['websocket']
});
socket.on('connect', function() {
alert("conn");
socket.emit('alive', {
data: 'ok'
});
});
这种方法试了无效:
#加入wsgi中间件 app.wsgi_app = LighttpdCGIRootFix(app.wsgi_app) #启动flask io.run(app)