<div>
  <ul class="breadcrumb " style="margin-bottom:0px;visibility:hidden;" data-dojo-attach-point="breadcrumb_1">
  <li ><a href="#" rel="external nofollow" style="color:#303f9f;font-size:1.1em;" data-dojo-attach-point="item_1"></a></li>
  <li class="active" style="color:#757575;font-size:1.1em;" data-dojo-attach-point="item_2"></li>
  </ul>
</div>

var breadcrumbId1=null;
var breadcrumbId2=null;
topic.subscribe("openTabWithBreadcrumb",function(data){
   breadcrumbId1=data.id1;
   breadcrumbId2=data.id2;
  this.item_1.innerHTML =" title1" ;////传入所需数据
  this.item_2.innerHTML = "title2";
});
on(this.item_1,'click',lang.hitch(this,function(){
  var id1 = breadcrumbId1;
  var id2 = breadcrumbId2;
  topic.publish("switchToNewTab",{tabid1:id1,tabid2:id2，data:{....}});///把需要的数据传入切换的tab或者窗口
  }));