[转]AngularJS 作用域数据绑定

  1. 1. 参考资料:
    1. 1.0.1. 文章若有纰漏请大家补充指正,谢谢~~

在imooc上看angularjs指令4,搜索了转载下

  1. 基于字符串的绑定:使用@操作符,双引号内的内容当做字符串进行绑定。
  2. 基于变量的绑定:使用=操作符,绑定的内容是个变量,双向数据绑定
  3. 基于方法的绑定:使用&操作符,绑定的内容是个方法。
  1. @
    @

  2. =
    =

  3. &
    &

上图代码:

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<!doctype html>
<html ng-app="myApp">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script src="http://apps.bdimg.com/libs/angular.js/1.2.16/angular.min.js"></script>
</head>
<body>

<div ng-controller="myAppCtrl">
<xingoo say="test string"></xingoo>
<xingoo say="{{str2}}"></xingoo>
<xingoo say="test()"></xingoo>
</div>

<script type="text/javascript">
var myAppModule = angular.module("myApp",[]);

myAppModule.controller("myAppCtrl",['$scope',function($scope){
$scope.str1 = "hello";
$scope.str2 = "world";
$scope.str3 = "angular";
}]);

myAppModule.directive("xingoo",function(){
return {
restrict:'AE',
scope:{
say:'@'
},
template:"<div>{{say}}</div><br>",
repalce:true
}
})
</script>
</body>
</html>
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<!doctype html>
<html ng-app="myApp">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script src="http://apps.bdimg.com/libs/angular.js/1.2.16/angular.min.js"></script>
</head>
<body>

<div ng-controller="myAppCtrl">
ctrl:<input type="text" ng-model="testname"><br>
directive:<xingoo name="testname"></xingoo>
</div>

<script type="text/javascript">
var myAppModule = angular.module("myApp",[]);

myAppModule.controller("myAppCtrl",['$scope',function($scope){
$scope.testname="my name is xingoo";
}]);

myAppModule.directive("xingoo",function(){
return {
restrict:'AE',
scope:{
name:'='
},
template:'<input type="text" ng-model="name">',
repalce:true
}
})
</script>
</body>
</html>
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<!doctype html>
<html ng-app="myApp">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script src="http://apps.bdimg.com/libs/angular.js/1.2.16/angular.min.js"></script>
</head>
<body>

<div ng-controller="myAppCtrl">
<xingoo say="sayHello(name)"></xingoo>
<xingoo say="sayNo(name)"></xingoo>
<xingoo say="sayYes(name)"></xingoo>
</div>

<script type="text/javascript">
var myAppModule = angular.module("myApp",[]);

myAppModule.controller("myAppCtrl",['$scope',function($scope){
$scope.sayHello = function(name){
console.log("hello !"+ name);
};
$scope.sayNo = function(name){
console.log("no !"+ name);
};
$scope.sayYes = function(name){
console.log("yes !"+ name);
};
}]);

myAppModule.directive("xingoo",function(){
return {
restrict:'AE',
scope:{
say:'&'
},
template:'<input type="text" ng-model="username"/><br>'+
'<button ng-click="say({name:username})">click</button><br>',
repalce:true
}
})
</script>
</body>
</html>

参考资料:


文章若有纰漏请大家补充指正,谢谢~~

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