<!DOCTYPE HTML>
<html ng-app="myApp">
<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>
var m1 = angular.module('myApp',[]);
m1.filter('firstUpper',function(){//自定义过滤器，firstUpper是过滤器名字。
return function(str,num){
console.log(num);
return str.charAt(0).toUpperCase() + str.substring(1);
}
});
m1.controller('Aaa',['$scope','$filter ',function($scope,$filter){//$filter是过滤器，
$scope.name = '723894734.7489545';
$scope.name = 'hello';
$scope.name = {"name":"hello","age":"20"};
$scope.name = ['a','b','c'];
$scope.name = '3748935795';
$scope.name = [
{color:"red",age:"20"},
{color:"yellow",age:"30"},
{color:"blue",age:"40"},
{color:"green",age:"10"}
];
//$filter过滤器要形参传进来，
$scope.name = $filter('uppercase')('hello');
$scope.name = $filter('number')('236478234.3647348',1);//数字格式化，保留一位小数。
$scope.name = $filter('date')('236478234','hh');//毫秒数格式化为小时
$scope.name = 'hello';
$scope.name = $filter('firstUpper')('hello');//使用自定义过滤器
}]);
</script>
</head>
<body>
<div ng-controller="Aaa">
<p>{{name | currency:"￥"}}</p> //currency是把数字变成金额的写法， ￥是数字前面加￥
<p>{{ name | number : 2 }}</p>//number是把数字每3位一个逗号，2表示保留2位小数
<p>{{ name | uppercase }}</p>
<pre>{{ name | json }}</pre> //json格式的name转换为json对象，
<p>{{ name | limitTo : 2 }}</p>
<p>{{ name | date : 'yyyy' }}</p> //对毫秒数的name格式化
<p>{{ name | orderBy : 'age' : true }}</p>
<p>{{ name | filter : 'l' }}</p>
<p>{{ name | limitTo : 2 | uppercase }}</p>
<p>{{ name | firstUpper : 2 }}</p> 使用自定义过滤器，2是参数num.
<p>{{ name }}</p>
</div>
</body>
</html>
