server/WebRoot/wechat/routes/exam/wait/wait.js

app.controller('ExamWaitCtrl', [ '$rootScope', '$scope', '$stateParams','$interval', function($rootScope, $scope, $stateParams, $interval) {
	$scope.flag = true;
	$scope.msg = '';
	 
	$scope.query = function (){
		$rootScope.ajaxRequest({
			url : '../exam/online/checkin/query.htm',
			data : {
				agent_id : $stateParams.agent_id,
				aspect_id : $stateParams.aspect_id,
				std_id: $rootScope.ArtStdReg.std_id
			}
		}, function(response) {
			$scope.checkEntity = response.entity;
			if($scope.checkEntity && $scope.checkEntity.is_success != undefined) {
				if($scope.checkEntity.is_success == 0) {
					$scope.flag = true;
					$scope.msg = '';
					$rootScope.goLocation('exam/checkin/'+$stateParams.agent_id+"/"+$stateParams.aspect_id);
					//$rootScope.goLocation('exam/voide/' +  $stateParams.enrol_id+'/false');
				} else if($scope.checkEntity.is_success == -1) {
					$scope.flag = false;
					$scope.msg = $scope.checkEntity.err_msg;
				}
			}
		});
	}
	
	
	$scope.query();
	
	
	var timer = setInterval(function() {
		$scope.$apply(function() {
			$scope.query();
		});
	}, 5000);
	
	$scope.$on('$destroy', function() {
		if (timer) {
			clearInterval(timer);
			timer = null;
		}
	});

	
}])