getQRCode: function (callbackOnSuccess,callbackOnFailure) {//callbackOnSuccess(resultString),callbackOnFailure(tipString)
        if (cordova){
            var params = {
                text_title: '扫条码/二维码等',
                text_instructions:'请把相机对准扫码',
                drawSight: true
            }
            cloudSky.zBar.scan(params, onSuccess, onFailure);
            function onSuccess(s) {
                if(callbackOnSuccess){
                    callbackOnSuccess(s);
                }else {
                    pksys.console("扫码结果：" + s);// Scanned code
                }
            }
            function onFailure(e) {
                if(callbackOnFailure){
                    callbackOnFailure(e);
                }else {
                    pksys.error("扫码失败,error：" + e);// Scanned code 'cancelled':用户取消二维码
                }
            }
        }else{
            if(callbackOnSuccess) {
                callbackOnSuccess('仅支持app中支持该方法');
            }
            pksys.msgbox("pksys.getQRCode()方法仅仅支持app中的应用");
        }
    }
}