yszou · August 29, 2015 14:05
diff --git a/angularjs b/angularjs
 <!DOCTYPE html>
 <html>
 <head>
 <meta charset="utf-8" />
 <title>angularjs</title>
 <script src="http://cdn.staticfile.org/jquery/2.1.0/jquery.min.js" type="text/javascript"></script>
 <script src="http://cdn.staticfile.org/angular.js/1.0.8/angular.min.js" type="text/javascript"></script>
 </head>
 <body>
 <form name="test_form" ng-controller="TestCtrl" ng-init="o=[0,1,2,3]; a=o[1];">
  <select ng-model="a" ng-options="x for x in o" ng-change="show()">
    <option value="">可以加这个空值</option>
  </select>
 </form>

 <script type="text/javascript">
 var TestCtrl = function($scope){
  $scope.show = function(){
    console.log($scope.a);
  }
 }

 angular.bootstrap(document.documentElement);
 </script>

 </body>
 </html>
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8" />
	<title>angularjs</title>
	<script src="http://cdn.staticfile.org/jquery/2.1.0/jquery.min.js" type="text/javascript"></script>
	<script src="http://cdn.staticfile.org/angular.js/1.0.8/angular.min.js" type="text/javascript"></script>
	</head>
	<body>
	<form name="test_form" ng-controller="TestCtrl" ng-init="o=[0,1,2,3]; a=o[1];">
	<select ng-model="a" ng-options="x for x in o" ng-change="show()">
	<option value="">可以加这个空值</option>
	</select>
	</form>

	<script type="text/javascript">
	var TestCtrl = function($scope){
	$scope.show = function(){
	console.log($scope.a);
	}
	}

	angular.bootstrap(document.documentElement);
	</script>

	</body>
	</html>