<body ng-app="myapp" ng-controller="myCtrl">
<h2>猜一猜，多大值？（1-1000）</h2>
我猜是:<input type="text" ng-model="guess">
<button ng-click="check()">验证</button><button ng-click="reset()">再玩一次</button><br>
<span ng-if="fil>0">您猜的数大了</span>
<span ng-if="fil<0">您猜的数小了</span>
<span ng-if="fil==0">您猜对了</span>
<p>猜的次数<span>{{n}}</span></p>
</body>
js代码：
<script src="angular.min.js"></script>
<script>
var myapp=angular.module("myapp",[]);
myapp.controller("myCtrl",function ($scope) {
//验证
$scope.check=function () {
console.log($scope.random); //根据差值判断显示、隐藏状态
$scope.fil=$scope.guess-$scope.random;
$scope.n++;
}; //重置方法
$scope.reset=function () {
$scope.guess=null;
$scope.fil=null;
$scope.n = 0; //得到随机数
$scope.random=Math.ceil(Math.random()*1000);
};
$scope.reset();
})
</script>
