//华视电子 身份证阅读机帮助方法
//型号：CVR-100UA
//梁坤2019-08-06 编写
var idcardreader = {
    //检查是否支持控件
    objectcheck: function (btnid) {
        var CertCtl = document.getElementById("CertCtl");
        if (CertCtl == null || CertCtl == undefined) {
            $("#" + btnid + "").attr("disabled", "disabled");
            $("#" + btnid + "").val("请更换IE或360浏览器");
        } else {
            try {
                var result = CertCtl.getStatus();
                var resultobj = eval('(' + result + ')');
                if (resultobj.status == 1) {
                    if (resultobj.errorMsg == "设备未连接") {
                        //自动连接
                        idcardreader.connect(btnid);
                    } else {
                        $("#" + btnid + "").removeAttr("disabled");
                        $("#" + btnid + "").val(resultobj.errorMsg);
                    }
                } else {
                    $("#" + btnid + "").removeAttr("disabled");
                    $("#" + btnid + "").val("读取");
                }
            } catch (e) {
            }
        }
    },
    connect: function (btnid) {
        var CertCtl = document.getElementById("CertCtl");
        if (CertCtl == null || CertCtl == undefined) {
            $("#" + btnid + "").attr("disabled", "disabled");
            $("#" + btnid + "").val("请更换IE或360浏览器");
        } else {
            try {
                var result = CertCtl.connect();
                var resultobj = eval('(' + result + ')');
                if (resultobj.resultFlag == 0) {
                } else {
                    $("#" + btnid + "").removeAttr("disabled");
                    $("#" + btnid + "").val(resultobj.errorMsg);
                }
            } catch (e) {
            }
        }
    },
    readcard: function (btnid) {
        var CertCtl = document.getElementById("CertCtl");
        if (CertCtl == null || CertCtl == undefined) {
            $("#" + btnid + "").attr("disabled", "disabled");
            $("#" + btnid + "").val("请更换IE或360浏览器");
        } else {
            try {
                idcardreader.connect(btnid);
                var result = CertCtl.readCert();
                var resultobj = eval('('+result+')');
                return resultobj;
            } catch (e) {
            }
        }
    }
}