<!-- <select ng-init="contract=rows[0]" ng-model="contract" class="form-control" ng-change="emitContract(contract)">
<option ng-repeat="x in rows" value="{{x}}" ng-selected="{{x==contract}}">{{x.name}}--{{$index}}--{{contract}}</option>
</select> -->
<select class="form-control" ng-model="contract" ng-options="x as x.name for x in rows" ng-change="emitContract(contract)"></select>
</div>
$scope.contract = $scope.rows[0];//初始化model