<!DOCTYPE HTML>
<html ng-app> //ng-app是初始化指令，整个页面都会被angularjs解析，写在div或者其他标签上表示只是局部的div和标签里面使用angularjs解析，其余的不用anguarjs解析。
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>无标题文档</title>
<script src="angular.min.js"></script>
<script>
function Aaa($scope,$timeout){
$scope.name = ‘hello‘;
setTimeout(function(){
$scope.name = ‘hi‘;//setTimeout这个定时器不能刷新name的值
},2000);
$timeout(function(){
$scope.name = ‘hi‘;//$timeout是angularjs的定时器才能使name值刷新
},2000);
$scope.show = function(){
$scope.name = ‘hi‘;
};
}
</script>
</head>
<body>
//ng-controller是控制器
<div ng-controller="Aaa" ng-click="name=‘hi‘"> click函数改变name的值
<div ng-controller="Aaa" ng-click="show()"> 作用同上
<p>{{name}}</p>
</div>
</body>
</html>
<!DOCTYPE HTML>
<html ng-app>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>无标题文档</title>
<script src="angular.min.js"></script>
<script>
function Aaa($scope,$timeout){
$scope.name = ‘hello‘;
}
</script>
</head>
<body>
<div ng-controller="Aaa">
<input type="text" ng-model="name"> 输入框改变标签p也改变。
<p>{{name}}</p>
</div>
</body>
</html>
<!DOCTYPE HTML>
<html ng-app>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>无标题文档</title>
<script src="angular.min.js"></script>
<script>
function Aaa($scope,$timeout){
$scope.iphone = {
money : 5,
num : 1,
fre : 10
};
$scope.sum = function(){
return $scope.iphone.money * $scope.iphone.num;
};
/*$scope.$watch(‘iphone.money‘,function(newVal,oldVal){
console.log(newVal);
console.log(oldVal);
},true);*/
$scope.$watch($scope.sum,function(newVal,oldVal){ //$watch监听数据的变化
//console.log(newVal);
//console.log(oldVal);
$scope.iphone.fre = newVal >= 100 ? 0 : 10;
});
}
</script>
</head>
<body>
<div ng-controller="Aaa">
<p>价格:<input type="text" ng-model="iphone.money"></p>
<p>个数:<input type="text" ng-model="iphone.num"></p>
<p>费用:<span>{{ sum() | currency:‘￥‘ }}</span></p> currency是过滤器
<p>运费:<span>{{iphone.fre | currency:‘￥‘}}</span></p>
<p>总额:<span>{{ sum() + iphone.fre | currency:‘￥‘}}</span></p>
</div>
</body>
</html>
时间： 2024-11-10 00:15:17