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<html ng-app>
<head>
<title>表单</title>
<script type="text/javascript" src="angular.min.js"></script>
<script type="text/javascript">
function StartUpController($scope) {
$scope.funding = {startingEstimate:0};
computeNeeded = function() {
$scope.funding.needed = $scope.funding.startingEstimate * 10;
};
$scope.$watch(‘funding.startingEstimate‘,computeNeeded);//watch监视一个表达式，当这个表达式发生变化时就会调用一个回调函数
$scope.requestFunding = function() {
window.alert("Sorry,please get more customers first.")
};
}
</script>
</head>
<body>
<form ng-submit="requestFunding()" ng-controller="StartUpController"> //ng-submit
Starting: <input ng-change="computeNeeded()" ng-model="funding.startingEstimate">
Recommendation: {{funding.needed}}
<button>Fund my startup!</button>
</form>
</body>
</html>
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原文地址：http://www.cnblogs.com/ruimeng/p/4696706.html
