JavaScript 面向对象实战：从全局变量到组件化的思维演进

//商品属性
  var name = 'macbook pro'
  var description = ''。'
  var price = 0;
  //商品方法
  addOne:funcion(){alert('增加一件商品')},
  reduceOne:function(){alert('减少一件商品')},

  //购物车属性
  var card = ['macbook pro' ,'dell']
  var sum = 2,
  var allPrice = 22000,
  //购物车方法
  function addToCart:function(){
      alert('添加到购物车')
    }


  addToCart()

var product={
    name:'macbook pro',
    description:'',
    price:6660,
    addOne:funcion(){},
    reduceOne:function(){},
    addToCart:function(){
      alert('添加到购物车')
    }
  }

  /*购物车*/
  var cart={
    name:'购物车',
    products:[],
    allPrice:5000,
    sum:0
  }

function Product(name,price,des) {
    /*属性 行为 可以为空或者给默认值*/
    this.name = name;
    this.price = price;
    this.description = des;
  }
  Product.prototype={
    addToCart:function(){
      alert('添加到购物车')
    }
    addOne:funcion(){},
    reduceOne:function(){},
     /*绑定元素*/
    bindDom:function(){
    //在这里进行字符串拼接，
    //例如
    var str = ''
    str +='<div>价格是:'+this.privce+'</div>'
    return str
    },

  }

function Card(products,allPrice,sum) {
    /*属性 行为 可以为空或者给默认值*/
    this.products = products;
    this.allPrice = allPrice;
    this.sum = sum
  }
  Product.prototype={
    getAllPrice:function(){
      alert('计算购物车内商品总价')
    }
  }

//后台给的数据
 var products= [
    {name:'macbook',price:21888},
    {name:'dell',price:63999}
  ]

 var str = ''
 for(var i = 0,len=products.length;i<len;i++) {
    var curName = products[i].name
    var curName = new Product()
    curName.name=products[i].name;
    curName.price=products[i].price;
    str+= curName.bindDom()
  }

data:{
    name ='',
    price='',
    description = ''
},
methods:{
   addToCart:function(){
      alert('添加到购物车')
    }
  addOne:funcion(){},
  reduceOne:function(){}, 
}