微信下一句话扫码接口调用方法

<a href="//996315.com/api/scan/?redirect_uri=修改成你要接收扫码结果页面的url地址">Scan</a>
<script type="text/javascript">
if (location.href.indexOf("qrresult=")>-1) alert(decodeURIComponent(location.href.split("qrresult=")[1]));
</script>
复制代码

<a href="javascript:window.open('//996315.com/api/scan/?redirect_uri=' + encodeURIComponent(location.href), '_self');">Scan</a>
<script type="text/javascript">
if (location.href.indexOf("qrresult=")>-1) alert(decodeURIComponent(location.href.split("qrresult=")[1]));
</script>
复制代码

<a href="javascript:window.open('//996315.com/api/scan/?redirect_uri=' + encodeURIComponent(location.href), '_self');">Scan</a>
<script>
var qr=GetQueryString("qrresult");
if(qr) alert(qr); //放入表单输入框或者提交到后端，具体根据自己业务做相应处理
function GetQueryString(name){
    var reg = new RegExp("\\b"+ name +"=([^&]*)");
    var r = location.href.match(reg);
    if (r!=null) return decodeURIComponent(r[1]);
}
</script>
复制代码