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angularjs教程——input相关指令详解

2016-10-11 11:47 471 查看

一、angularjs的指令

*ng-disabled（按钮禁用）—服务$interval

<!DOCTYPE HTML>
<html ng-app='myApp'>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script src="angular.min.js"></script>
<style type="text/css">

</style>
<script>
var m1=angular.module('myApp',[]);

m1.controller('Aaa',['$scope','$interval',function($scope,$interval){
var iNow=5;
$scope.text=iNow+'秒';
$scope.isDisabled=true;
var timer=$interval(function(){
iNow--;
$scope.text=iNow+'秒';
if(iNow==0){
$interval.cancel(timer);
$scope.text='可以点击啦';
$scope.isDisabled=false;
}
},1000)

}]);

</script>
<title>无标题文档</title>
</head>

<body>
<div ng-controller="Aaa">
<input type="button" value="{{text}}" ng-disabled="isDisabled">
</div>
</body>
</html>

*ng-readonly（只能针对输入框）

<!DOCTYPE HTML>
<html ng-app='myApp'>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script src="angular.min.js"></script>
<style type="text/css">

</style>
<script>
var m1=angular.module('myApp',[]);

m1.controller('Aaa',['$scope','$interval',function($scope,$interval){
var iNow=5;
$scope.text=iNow+'秒';
$scope.isDisabled=true;
var timer=$interval(function(){
iNow--;
$scope.text=iNow+'秒';
if(iNow==0){
$interval.cancel(timer);
$scope.text='可以点击啦';
$scope.isDisabled=false;
}
},1000)

}]);

</script>
<title>无标题文档</title>
</head>

<body>
<div ng-controller="Aaa">

<input type="text" value="{{text}}" ng-readonly="isDisabled">
</div>
</body>
</html>

*ng-checked

<!DOCTYPE HTML>
<html ng-app='myApp'>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script src="angular.min.js"></script>
<style type="text/css">

</style>
<script>
var m1=angular.module('myApp',[]);

m1.controller('Aaa',['$scope','$interval',function($scope,$interval){
var iNow=5;
$scope.text=iNow+'秒';
$scope.isDisabled=true;
var timer=$interval(function(){
iNow--;
$scope.text=iNow+'秒';
if(iNow==0){
$interval.cancel(timer);
$scope.text='可以点击啦';
$scope.isDisabled=false;
}
},1000)

}]);

</script>
<title>无标题文档</title>
</head>

<body>
<div ng-controller="Aaa">
<input type="checkbox" value="{{text}}" ng-checked="isDisabled">
</div>
</body>
</html>

*ng-value(用户体验比用)

<!DOCTYPE HTML>
<html ng-app='myApp'>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script src="angular.min.js"></script>
<style type="text/css">

</style>
<script>
var m1=angular.module('myApp',[]);

m1.controller('Aaa',['$scope','$interval',function($scope,$interval){
var iNow=5;
$scope.text=iNow+'秒';
$scope.isDisabled=true;
var timer=$interval(function(){
iNow--;
$scope.text=iNow+'秒';
if(iNow==0){
$interval.cancel(timer);
$scope.text='可以点击啦';
$scope.isDisabled=false;
}
},1000)

}]);

</script>
<title>无标题文档</title>
</head>

<body>
<div ng-controller="Aaa">
<input type="button" ng-value="text" ng-disabled="isDisabled">
<input type="text" ng-value="text" ng-readonly="isDisabled">
<input type="checkbox" ng-value="text" ng-checked="isDisabled">
</div>
</body>
</html>

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