js simple factory pattern usage example_javascript skills-JS Tutorial-php.cn

js simple factory pattern usage example_javascript skills

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Release： 2016-05-16 15:52:06

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The examples in this article describe the usage of js simple factory pattern. Share it with everyone for your reference. The specific implementation method is as follows:

<!DOCTYPE html>
<html>
<head>
<title>简单工厂模式</title>
</head>
<body>
<script>
  //简单工厂模式
  var BicycleShop = function(){};
  BicycleShop.prototype ={
    sellBicycle : function(model){
      var bicycle = null;
      switch(model){
        case 'The Speedster':
          bicycle = new Speedster();
          break;
        case 'The lowride':
          bicycle = new Lowride();
          break;
        case 'The Comfort Cruise':
          bicycle = new ComfortCruise();
          break;
      };
      Interface.ensureImplements(bicycle,Bicycle);
      bicycle.assemble();
      bicycle.wash();
      return bicycle;
    }
  };
  var AcmeBicycleShop = function(){};
  extent(AcmeBicycleShop, BicycleShop);
  AcmeBicycleShop.prototype.createBicycle = function(model){
    var bicycle = null;
    switch(model){
      case 'The speedster':
        bicycle = new AcmeSpeedster();
        break;
      case 'The Lowrider':
        bicycle = new AcmeLowrider();
        break;
      case 'The Flatlander':
        bicycle = new AcmeFlatlander();
        break;
      case 'The Comfort Cruiser':
      default :
        bicycle = new AcmeComfortCruiser();
    };
    Interface.ensureImplements(bicycle,Bicycle);
    return bicycle;
  };
  //工厂模式适用与一个 fn 根据参数不同，创建不同的对象
</script>
</body>
</html>

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I hope this article will be helpful to everyone’s JavaScript programming design.