Angular factory自定义服务

<!DOCTYPE html>
<html ng-app="myApp">
<head >
<meta charset="UTF-8">
<script src="js/angular.js"></script>
<title></title>
</head>
<body>
<div ng-controller="myCtrl">
<button ng-click="handleClick()">
clickMe
</button>
</div>
<script>
var app = angular.module('myApp', ['ng']);
//通过factory自定义服务
app.factory('$output', function () {
return {
print: function (str) {
//比较复杂的业务逻辑
console.log(str);
}
}
});
app.controller('myCtrl',
function ($scope,$output) {
$scope.handleClick = function () {
$output.print('Hello Service');
}
})
</script>
</body>
</html>