function jsApiCall()
{
    WeixinJSBridge.invoke(
        'getBrandWCPayRequest',
    <?php echo $jsApiParameters; ?>,
    function(res){
        WeixinJSBridge.log(res.err_msg); 

        if(res.err_msg == "get_brand_wcpay_request:ok" ) { 
            $.ajax({
                type:"POST",
                url:"/wap/login?abc=1&order_id={$order_id}",
                data:JSON.stringify(res),
                success:function(data) {
                }
            })
            window.location.href="http://xxx.aaa.com" 

        }else{ 
        }
    });
}

function callpay()
{
    if (typeof WeixinJSBridge == "undefined"){
        if( document.addEventListener ){
            document.addEventListener('WeixinJSBridgeReady', jsApiCall, false);
        }else if (document.attachEvent){
            document.attachEvent('WeixinJSBridgeReady', jsApiCall);
            document.attachEvent('onWeixinJSBridgeReady', jsApiCall);
        }
    }else{
        jsApiCall();
    }
}

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