app.Map("/messageConnection", map =>
           {
               map.RunSignalR<MessageConnection>();
           });

app.Map("/messageHub", map =>
           {
               map.RunSignalR(new Microsoft.AspNet.SignalR.HubConfiguration { EnableJavaScriptProxies = true });
           });

app.Map("/messageHub", map =>
            {
                map.RunSignalR(new Microsoft.AspNet.SignalR.HubConfiguration { EnableJavaScriptProxies = true });
            });

connection.start()
                .done(function () {
                    connected = true;
                })
                .fail(function () {
                    alert("连接失败");
                });

connection.hub.start()
                .done(function () {
                    connected = true;
                })
                .fail(function () {
                    alert("连接失败");
                });

connection.start()
                .done(function () {
                    connected = true;
                })
                .fail(function () {
                    alert("连接失败");
                });

proxy.client.hello = function (message) {
                      console.log(message);

}

proxy.on("hello", function (message) {

console.log(message);

});

connection.received(function (message) {
                alert(message);
            });

通过服务器调用客户端方法实现

通过服务器调用客户端方法实现