开发微信支付的一点心得

<script type="text/javascript"><span>
document</span>.addEventListener('WeixinJSBridgeReady', <span>function</span><span> onBridgeReady() {
    WeixinJSBridge</span>.invoke('getBrandWCPayRequest',<span> {
        </span>'appId' : '<?php echo $wOpt['appId'];?>',
        'timeStamp': '<?php echo $wOpt['timeStamp'];?>',
        'nonceStr' : '<?php echo $wOpt['nonceStr'];?>',
        'package' : '<?php echo $wOpt['package'];?>',
        'signType' : '<?php echo $wOpt['signType'];?>',
        'paySign' : '<?php echo $wOpt['paySign'];?>'<span>
    }</span>, <span>function</span><span>(res) {
        </span><span>if</span>(res.err_msg == 'get_brand_wcpay_request:ok'<span>) {
        } </span><span>else</span><span> {
            alert(</span>'启动微信支付失败, 请检查你的支付参数. 详细错误为: ' + res.<span>err_msg);
        }
        history</span>.go(-1<span>);
    });
}</span>, <span>false</span><span>);
</span></script>