vue购物车插件编写代码

时间:2019-04-10
本文章向大家介绍vue购物车插件编写代码,主要包括vue购物车插件编写代码使用实例、应用技巧、基本知识点总结和需要注意事项,具有一定的参考价值,需要的朋友可以参考一下。

本文实例为大家分享了vue购物车插件的具体代码,供大家参考,具体内容如下

先上效果图


下面相关代码:

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Hello MUI</title>
<meta name="viewport" content="width=device-width, initial-scale=1,maximum-scale=1,user-scalable=no">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black">


<link rel="stylesheet" href="../../css/mui.min.css">
<link rel="stylesheet" href="../../css/app.css">
<style>
.mui-content>.mui-table-view:first-child{
margin-top: 0.133333rem;
}
.mui-bar-nav~.mui-content{
padding-top: 1.173333rem;
}
.mui-content{
padding-bottom: 1.173333rem;
}
input[type=checkbox] {
 width: 0.426666rem;
 height: 0.426666rem;
 border: 0;
 outline: 0!important;
 background-color: transparent;
 -webkit-appearance: none;
}
input[type=checkbox]:before {
 content: '\e411';
}
input[type=checkbox]:checked:before {
 content: '\e441';
}
input[type=checkbox]:before {
 font-family: Muiicons;
 font-size: 0.426666rem;
 font-weight: 400;
 line-height: 1;
 text-decoration: none;
 color: #81d8d0;
 border-radius: 0;
 background: 0 0;
 -webkit-font-smoothing: antialiased;
}
input[type=checkbox]:checked:before {
 color: #81d8d0;
}

.allinput[type=checkbox] {
 width: 0.426666rem;
 height: 0.426666rem;
 border: 0;
 outline: 0!important;
 background-color: transparent;
 -webkit-appearance: none;
}
.allinput[type=checkbox]:before {
 content: '\e411';
}
.allinput[type=checkbox]:checked:before {
 content: '\e441';
}
.allinput[type=checkbox]:before {
 font-family: Muiicons;
 font-size: 0.426666rem;
 font-weight: 400;
 line-height: 1;
 text-decoration: none;
 color: #fff;
 border-radius: 0;
 background: 0 0;
 -webkit-font-smoothing: antialiased;
}
.allinput[type=checkbox]:checked:before {
 color: #fff;
}
.popover_detail_numbtn .mui-numbox{
float: right;
border-radius: 0;
padding: 0 0.56rem;
height: 0.586666rem;
width:2rem;
}
.mui-numbox [class*=btn-numbox], .mui-numbox [class*=numbox-btn] {
 font-size: 0.4rem;
 line-height: 0.56rem;
 width: 0.56rem;
 height: 0.56rem;
 color: #707070;
 background-color: #fff;
}
.shop_input_num[type=number]{
font-size: 0.266666rem;
line-height: 0.56rem;
top: 0;
}
</style>
</head>


<body id="app" v-cloak>
<header class="mui-bar mui-bar-nav">
<a class="mui-action-back mui-pull-left mui_return_back"></a>
<h1 class="mui-title">购物车</h1>
</header>

<div class="mui-content">
<div class="mui_shopcar_list_box" v-for="data in items">
<div class="mui_order_item_title">
<div class="mui_adress_radio">
<input type="checkbox" v-model="data.shopselected" v-on:click="checkShop($index)">
</div>
 <a href="javascript:;" class="look_shop" v-on:click="LookShop(data.id)">
 {{data.shopname}} <img class="order_link" src="../../images/icon/order_link.png"/>
 </a>
 </div>
<ul class="mui-table-view mui-table-view-chevron mui_shopcar_list">
<li class="mui_shopcar_item" v-for="item in data.listgoods">
<div class="mui_adress_radio">
<input type="checkbox" v-model="item.selected" v-on:click="checkGoods($parent.$index,$index)">
</div>
<div class="mui_shopcar_img" v-on:click="LookGoods(item.id)">
<img src="../../images/423.jpg"/>
</div>
<div class="mui_shopcar_media">
<div class="mui_shopcar_title">
<p class="mui_shopcar_name">{{ item.name }}</p>
<span class="mui_shopcar_del" v-on:click="remove($parent.$index,$index)">
<a><img src="../../images/icon/19.png" alt="" /></a>
</span>
</div>
<p class="mui_shopcar_unit">单位:升</p>
<div class="mui_shopcar_pro">
<p class="mui_shopcar_price">{{item.price|currency '¥' 2}}</p>
<div class="popover_detail_numbtn">
<div class="mui-numbox" data-numbox-min='1' data-numbox-max='9'>
<button class="mui-btn mui-btn-numbox-minus" type="button" v-on:click.native="reduce($parent.$index,$index)">-</button>
<input class="mui-input-numbox shop_input_num" type="number" disabled value="{{item.count}}"/>
<button class="mui-btn mui-btn-numbox-plus" type="button" v-on:click.native="add($parent.$index,$index)">+</button>
</div>
</div>
</div>
</div>
</li>
<!--<li class="mui_shopcar_item">
<div class="mui_adress_radio">
<input name="address" type="checkbox">
</div>
<div class="mui_shopcar_img">
<img src="../../images/423.jpg"/>
</div>
<div class="mui_shopcar_media">
<div class="mui_shopcar_title">
<p class="mui_shopcar_name">内蒙古原产牛奶</p>
<span class="mui_shopcar_del">
<img src="../../images/icon/19.png" alt="" />
</span>
</div>
<p class="mui_shopcar_unit">单位:升</p>
<div class="mui_shopcar_pro">
<p class="mui_shopcar_price">¥ 50.00</p>
<div class="popover_detail_numbtn">
<div class="mui-numbox" data-numbox-min='1' data-numbox-max='9'>
<button class="mui-btn mui-btn-numbox-minus" type="button">-</button>
<input id="test" class="mui-input-numbox" type="number" value="5" />
<button class="mui-btn mui-btn-numbox-plus" type="button">+</button>
</div>
</div>
</div>
</div>
</li>-->
</ul>
</div>

</div>

<div class="mui_shopcar_bar">
<div class="mui_adress_radio">
<input type="checkbox" class="allinput" v-model="selectAll">
全选
</div>
<div class="mui_shopcar_sumbtn">
<p class="mui_shopcar_sum">合计:{{ total|currency '¥' 2}}</p>
<button id="order_true" type="button" v-on:click.native="Submit()">结算</button>
</div>
</div>
<script type="text/javascript" src="../../js/app.js" ></script>
<script src="../../js/mui.min.js"></script>
<script src="../../js/vue.min.js"></script>
<script src="../../js/jquery-1.8.3.min.js" ></script>
<script>

mui.init();//初始化
mui.plusReady(function(){})
var vm = new Vue({
  el: "#app",
  data: {
   OrderTotal:0,//用来保存商品总价
   items: [//加入购物车商品
    {
     id:1,
     shopname:'内蒙古原产牛奶',
     shopselected:false,
     listgoods:[
      {
       id:101,
       name: '奶片',
       price:1.3,
       count:2,
       selected:false
      },
      {
       id:102,
       name: '小辣椒',
       price:100,
       count:1,
       selected:false 
      },
      {
       id:103,
       name: '小辣椒22222',
       price:100,
       count:1,
       selected:false 
      }
     ]
    },
    {
     id:2,
     shopname:'云端电子',
     shopselected:false,
     listgoods:[
      {
       id:201,
       name: '三星',
       price:4000,
       count:2,
       selected:false 
      },
      {
       id:202,
       name: '华为1',
       price:100,
       count:1,
       selected:false 
      },
      {
       id:203,
       name: '华为2',
       price:100,
       count:1,
       selected:false 
      },
      {
       id:204,
       name: '华为3',
       price:100,
       count:1,
       selected:false 
      }
     ]
    },
    {
     id:3,
     shopname:'小米官方商店',
     shopselected:false,
     listgoods:[
      {
       id:301,
       name: '小米4',
       price:1.3,
       count:2,
       selected:false 
      }
     ]
    }
   ]
  },
  //computed相当于属性的一个实时计算,如果实时计算里关联了对象,那么当对象的某个值改变的时候,同事会出发实时计算。
  computed: {
   selectAll:{
    //动态判断全选按钮是否选中(根据 选中的商店数量==items数组长度)
    get:function(){
     return this.items.filter(function(item){
      return item.shopselected == true;
     }).length == this.items.length;
    },
    //设置全选
    set:function(val){
     this.items.forEach(function(item){//遍历所有商店
      item.shopselected = val;//所有商店选中
      item.listgoods.forEach(function(list){//遍历所有商品
       list.selected = val;//所有商品选中
      })
     });
    }
   },
   num:function(){
    var num = 0;
    this.items.forEach(function(item){//遍历商家数组
     item.listgoods.filter(function(a){//遍历商品数组
      return a.selected//选择选中的商品
     }).map(function(a){
      return a.count//计算商品数量*商品单价
     }).forEach(function(a){
      num += a;
     });
    })
    return num;//返回总价
   },
   //计算总价
   total:function(){
    var total = 0;
    this.items.forEach(function(item){//遍历商家数组
     item.listgoods.filter(function(a){//遍历商品数组
      return a.selected//选择选中的商品
     }).map(function(a){
      return a.count*a.price//计算商品数量*商品单价
     }).forEach(function(a){
      total += a;
     });
    })
    this.OrderTotal = total;//更新商品总价
    return total;//返回总价
   }
  },
  methods:{
   //点击商店选中所有商品
   checkShop:function(pID){
    var self = this.items[pID];
    if(self.shopselected != true){
     self.listgoods.forEach(function(list){
      list.selected = true;
     })
    }else{
     self.listgoods.forEach(function(list){
      list.selected = false;
     })
    } 
   },
   //选择某商品 判断商店是否全选
   checkGoods:function(pID,id){
    var self = this.items[pID];//点击单选框的父节点
    if(self.listgoods[id].selected){//判断当选框是否备选中
    
self.listgoods.filter(function(item){
     return item.selected == true;
    }).length-1 == self.listgoods.length ? self.shopselected = true : self.shopselected = false;
    }else{
    
self.listgoods.filter(function(item){
     return item.selected == true;
    }).length+1 == self.listgoods.length ? self.shopselected = true : self.shopselected = false;
    }
   },
   //增加商品数量 最多购买100件
   add:function (parentID,ID) {//parentID是商家id,ID是商品id
    var self = this.items[parentID].listgoods[ID];
    if(self.count >100){
     return false;
    }
    self.count++;
   },
   //减少商品数量 最少买一件
   reduce:function(parentID,ID){//parentID是商家id,ID是商品id
    var self = this.items[parentID].listgoods[ID];
    if(self.count <= 1){
     return false
    }
    self.count--;
   },
   //移除商品函数
   remove:function(parentID,ID){//parentID是商家id,ID是商品id
    var self = this.items[parentID];
    self.listgoods.length == 1 ? this.items.splice(parentID, 1) : self.listgoods.splice(ID, 1);//如果删除最后一个商品,则商家一并删除
   },
   
   //结算函数
   Submit:function(){
    //获取选中的商家及相应的商品
    var TotalPrice = this.OrderTotal;//存放要支付的总价
    var OrderArry = [];//存放选中的商品数组
    this.items.forEach(function(item){//遍历商家数组
if(item.shopselected){//如果商家备选中则其下商品均被选中,直接添加数组
return OrderArry.push(item)
}else{//如果商家没有选中,继续遍历旗下商品是否备选中

var arry = {//设置临时数组,来保存没有选中商店的数据
'id' : item.id,//商店id
     'shopname' : item.shopname,//商店名字
     'shopselected' : item.shopselected,//商店是否备选中
     'listgoods' : []//商店旗下的商品数组
};
item.listgoods.filter(function(list){//遍历商店旗下的商品数组
      return list.selected//过滤所有选中的商品
     }).map(function(a){
     
return arry.listgoods.push(a)//将选中的商品添加到数组中
     });
     if(arry.listgoods.length > 0){//如果有商品选中在添加到数组
     
OrderArry.push(arry)
     }
}
    });
    console.log(OrderArry)//打印选中的商品数组
    console.log(TotalPrice)//打印总价
    
//结算跳转页面
 //打开确认订单
 mui.openWindow({
 url: 'order_true.html', 
 id:'order_true.html',
 extras:{//自定义扩展参数,可以用来处理页面间传值
 'BuyMethod' : 'ShoppingCartSettlement',//结算方式
  'ItemList' : OrderArry,//选择的商品数组
  'TotalPrice' : TotalPrice//要支付的总价
 },
 waiting:{
  autoShow:true,//自动显示等待框,默认为true
  title:'正在加载...'//等待对话框上显示的提示内容
 }
 });
   },
   
   //查看商家
   LookShop:function(id){
   mui.openWindow({
 url: '../SellerHome/seller_index.html', 
 id:'../SellerHome/seller_index.html',
 extras:{
  //自定义扩展参数,可以用来处理页面间传值
 },
 waiting:{
  autoShow:true,//自动显示等待框,默认为true
  //title:'正在加载...'//等待对话框上显示的提示内容
 }
 });
   },
   //查看商品
   LookGoods:function(id){
   mui.openWindow({
 url: '../Selected/selected_list_details.html', 
 id:'../Selected/selected_list_details.html',
 extras:{
  //自定义扩展参数,可以用来处理页面间传值
 },
 waiting:{
  autoShow:false,//自动显示等待框,默认为true
  //title:'正在加载...'//等待对话框上显示的提示内容
 }
 });
   },
  }
  });
</script>
</body>


</html>

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