夺命雷公狗—angularjs—11—service的基本概念

我们先来研究下service里面的四大服务。。
value 变量
constant 常量
factory 工厂模式
service 服务
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="js/angular.min.js"></script>
</head>
<body ng-app="myapp">
    <div>
        <h1>service</h1>
        <p>value---变量</p>
        <p>constant---常量</p>
        <p>factory---工厂模式</p>
        <p>service---服务</p>
    </div>
    <hr />
    <div ng-controller="app">
        <p>{{valueName}}</p>
        <p>{{constant}}</p>
        <p>{{laopo.name}}</p>
        <p>{{laopo.say}}</p>
        <p>{{xiaosan.name}}</p>
        <p>{{xiaosan.say}}</p>
    </div>
</body>
<script>
    var app = angular.module('myapp',[]);
    app.value('valueName','我是value')
    app.value('valueName','就在那夜我污染了value');
    app.constant('constant','我是constant，我是天下无敌，看下和人能奈何得了我');
    app.constant('constant','我是constant,我是污染者，好像真的不够干');
    app.factory('laopo',function(){
        return{
            name:'潘金莲',
            say:function(){
                this.name = '我是一个大淫娃';
            }
        }
    });
    app.service('xiaosan',function(){
        this.name = '小吉玛丽亚';
        this.say = function(){
            return '潘金莲？？啥玩意，过期货赶来和我抢男人？？';
        }
    });
    app.controller('app',function($scope,valueName,constant,laopo,xiaosan){
        $scope.valueName = valueName;
        $scope.constant = constant;
        $scope.laopo = laopo;
        $scope.laopo.say = laopo.say();
        $scope.xiaosan = xiaosan;
        $scope.xiaosan.say = xiaosan.say();
    });
</script>
</html>