angular 找到fdtable

$scope.testEvent=function(){
try{
var theTable;
for(var cs = $scope.$$childHead; cs; cs = cs.$$nextSibling) {
if(cs.myTable){
theTable=cs.myTable;
}
}

// var rows=$scope.myTable.getCheckedRows();
var rows = theTable.getCheckedRows();
alert("rows0:"+rows[0].rowData.rowId);
}catch(e){
alert(e);
}
};