//打印触发的方法

      print(e){

                 let subOutputRankPrin = document.getElementById('printcode');

               var options = { format:"CODE128",displayValue:true,fontSize:18,height:100 };

                if(this.selectData.length==0)

                {

                  alert("亲，请记得选择打印内容0.0！");

                }

                else

                {

                    for(var i = 0;i<this.selectData.length; i++)

                    {

                       //条形码生成代码JsBarcode(document.getElementById(i),this.selectData[i].lotName,options);

                    }

                    document.body.innerHTML =subOutputRankPrin.innerHTML ;

                    window.print();

                    window.location.reload();

                    document.body.innerHTML = oldContent;

                    return false;

                    }

---------------------