微信支付需要监听WeixinJSBridgeReady
var str = <?php echo $str;?>;
function callpay()
{
document.addEventListener(‘WeixinJSBridgeReady‘, function onBridgeReady() {
WeixinJSBridge.invoke(‘getBrandWCPayRequest‘,str,function(res){
WeixinJSBridge.log(res.err_msg);
//alert(res.err_code+res.err_desc+res.err_msg);
switch (res.err_msg){
case ‘get_brand_wcpay_request:cancel‘:
location.href="/?_a=fail&order_sn=<?php echo $order_sn;?>";
break;
case ‘get_brand_wcpay_request:fail‘:
location.href="/?_a=fail&order_sn=<?php echo $order_sn;?>";
break;
case ‘get_brand_wcpay_request:ok‘:
location.href="/?_a=done&order_sn=<?php echo $order_sn;?>&ac=<?php echo $authcode?>";
break;
}
});
}, false);
}
callpay();
</script>
微信支付需要监听WeixinJSBridgeReady
原文：http://my.oschina.net/ailingling/blog/310118