动态添加新页面在固定的div中

var SportAgentTotalTrainComponent = Vue.extend(sportAgentTotalTrain页面);
var sportAgentTotalTrainInstance = new SportAgentTotalTrainComponent({ propsData: { tabname: this.tabName } });
parentDiv需要添加的div.appendChild(sportAgentTotalTrainInstance.$mount().$el);






var sportAgentGradeComponent = Vue.extend(sportAgentGrade);
                    var sportAgentGradeInstance = new sportAgentGradeComponent({
                        propsData: {
                            // orgId: data.id,
                            updataName: this.uploadList[0].name.split('.')[0]
                        }
                    });
                    sportAgentGradeInstance.$mount();
                    this.$refs.targetElement.insertAdjacentElement('beforebegin', sportAgentGradeInstance.$el);
                    // parentDiv.appendChild(targetAgentFourInstance.$mount().$el);
                    sportAgentGradeInstance.$forceUpdate();