建筑物联动

camChange:function(){
            this.wdBuilding.attr('value',"");
            var campus=this.wdCampus.attr("value");
            console.log(campus);
            if(campus>0)
                {
                    var content=
                    {    
                                op:"=",
                                left:"compus",
                                right:Number(campus)
                    }
                    this.wdBuilding.store = this.getBuildingStore(content);
                }
        },
        getBuildingStore:function(content){
            console.log("getBuildingstore");
               var cmd={
                       resCommand:
                       {
                            type:"search",
                             res:"building",
                             content:content,
                             orderBy:'compus',
                              tag:"building"    
                       }
               };
               return new ntms.data.DeferredReadStore(cmd);
        },