API document
http://open.mobile.qq.com/api.
Page reference
< script src= "/ / open.mobile.qq.com/sdk/qqapi.js" > < / script >
get Mobile QQ"s version
mqq.QQVersion can alert out normally
call a scan to scan the QR code
mqq.ui.scanQRcode ({}, function (result) {
console.log(retCode, decodeURIComponent(result));
})