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iot/projects/IoTCenter/wwwroot/js/message.js

25 lines
847 B

var connection = new signalR.HubConnectionBuilder().withUrl(hubUrl).build();
var connectionId;
function connect() {
console.log('check connection state :' + connection.state);
if (connection.state === signalR.HubConnectionState.Disconnected) {
connection.start().then(function () {
console.log('connect successful');
}).catch(function () {
console.log('connect failed');
setTimeout(connect,5000);
});
}
}
connection.onclose(function () {
console.log('connect closed');
connect();
});
connection.on('Connected', function (id) {
connectionId = id;
console.log('signalR 连接Id:' + connectionId);
});
connection.on("ServerToClient", function (method, message, to, from) {
console.log(method + ':' + message);
onMessage(method, message, to, from);
});