B4J Question browser send ajax/get to B4J

[jinyistudio]

Hi
following is my current code, Using B4j to refresh browser side page data every fixed timimg with websocket.

My new application is, How could i refresh page with ajax/get to B4J in fixed timing from browser, I don't use websocket ?

B4J

Sub timer2_tick
    dim data As Map
    data.Initialize 

    data.Put("resultc",plc.resultc) ' 結果顏色
    data.Put("resultn",plc.resultn) ' 結果數值
    '  
    ws.RunFunction("refresh_page",Array As Object(data))
    ws.Flush
End Sub

Browser

function refresh_page(io)
        {
          
            graphic.setValue('resultc',io.resultc);
            graphic.setValue('resultn',io.resultn);     
          

        };

 

[Erel]

You don't use websockets for regular GET requests. You can add an additional non-websocket handler or better raise an event from the browser instead of sending a GET request.

 

[jinyistudio]

Hi

I will use Handle to recive browser request. And then respone a map to browser. How to coding like followig io variable ? and then i can use then like io.resulttc,,, in the html file.

browser

function refresh_page(io)
        {
         
            graphic.setValue('resultc',io.resultc);
            graphic.setValue('resultn',io.resultn);    
         

        };

to browser.

 

[Erel]

You need to use b4j_raiseEvent: https://www.b4x.com/android/forum/pages/results/?query=b4j+b4j_raiseEvent