angular control

select

1.

<select ng-model="selectedValue" ng-options="operator.value as operator.displayName for operator in operators">
</select>

　　

2.

<select ng-model="selectedValue">
    <option ng-selected="{{operator.value ==selectedValue}}"
            ng-repeat="operator in operators"
            value="{{operator.value}}">
      {{operator.displayName}}
    </option>
</select>