< html lang= "en" >
< head >

<style type="text/css">
    .rpt{
        background: -sharpf4f4f4;
        padding-top: 45px;
    }
</style>
<script type="text/javascript">   //html
    function hooshineBackClick(){
        return true               //true 
    }
</script>

< / head >
< body class= "rpt" >
< div id= "app" > < / div >
< / body >
< / html >

what we want to achieve is that the front end can intercept the physical return key operation of Android and the front end controls the jump of the route and the processing of some data-sharp-sharp-sharp problem description

what I want to know is how to write this method in component and was overheard by Android. Many methods have been tried but are ineffective