js原生设计模式——3简单工厂模式js面向对象编程实例

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   <meta charset="UTF-8">
   <title>oopObject——js面向对象编程实例</title>
   <script type="text/javascript">
   //篮球基类
   var Basketball = function(){
       this.info = '篮球在美国盛行';
   }
   Basketball.prototype = {
       getMember:function(){
           console.log('每个队伍需要5名队员');
       },
       getBallSize:function(){
           console.log('篮球很大');
       }
   }
   //足球基类
   var Football = function(){
       this.info = '足球在全世界都流行';
   }
   Football.prototype = {
       getMember:function(){
           console.log('每个队伍需要11名队员');
       },
       getBallSize:function(){
           console.log('足球很大');
       }
   }
   //网球基类
   var Tennis = function(){
       this.info = '每年都有很多网球公开赛';
   }
   Tennis.prototype = {
       getMember:function(){
           console.log('每个队伍需要1名队员');
       },
       getBallSize:function(){
           console.log('网球很小');
       }
   }
   //运动工厂类
   var SportsFactory = function(name){
       switch(name){
           case 'NBA':
              return new Basketball();
           case 'wordCup':
              return new Football();
           case 'FrenchOpen':
              return new Tennis();
       }
   }
   //测试用例
   var football = SportsFactory('wordCup');
   console.log(football);
   console.log(football.info);
   football.getMember();
   football.getBallSize();
   //本例已经通过验证
   </script>
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