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vue实现商品加减计算总价的实例代码

2018-08-12 11:15:15 作者：here962464
这篇文章主要介绍了vue实现商品加减计算总价的实例代码,代码简单易懂，非常不错，具有一定的参考借鉴价值，需要的朋友可以参考下
需求是商品只能选一次,有原价和现价.
大概的效果图是这样:
这里写图片描述
完整代码在这里,直接复制就能用:
<!DOCTYPE html>
<html lang="zh">
<head>
 <meta charset="UTF-8">
 <title>Document</title>
 <style type="text/css">
  html{
   background: rgb(214,175,209);
  }
 /*计算器*/
  #app{
   text-align: center;
   margin-top: 8%;
   position: relative;
  }
  .goods_box{
   width: 70vw;
   margin-left:15vw;
   height: auto;
   margin-top: 5%;
  }
  .goods_box ul{
   width: 100%;
   overflow:auto;
  }
  .goods_box ul li{
   float: left;
   width: 23%;
   height: auto;
   cursor: pointer;
   margin: 2% 1%;
   font-size: 0.6rem;
   background: #fff;
   display: flex;
   align-items: center;
   align-content: center;
   padding-bottom: 1%;
   border-radius: 4px;
  }
  .goods_img{
   width: 40%;
   border-radius: 6px;
   height: auto;
   margin-left: -4%;
   margin-top: -4%;
   box-shadow: 3px 3px 2px rgba(0,0,0,.24);
  }
  .price{
   margin-left: 6%;
   text-align: left;
  }
  .or_price{
   color: rgba(242,58,58,0.8);
   text-decoration: line-through;
  }
  .goods_name{
   margin-top: 4%;
  }
  .now_and_or{
   margin-top: 5%;
  }
  .now_price{
   font-size: 1rem;
  }
  /*计算结果的盒子*/
  .count_box{
   width: 70vw;
   margin-left:15vw;
   height: auto;
   border: 2px dashed rgb(253,234,93);
   display: flex;
   align-items: center;
   padding: 2%;
   position: relative;
  }
  .count_box .goods_img{
   width: 100px;
   height: 100px;
   margin:0;
   box-shadow: none;
  }
  .count_box ul{
   width: 100%;
   overflow:auto;
  }
  .count_box ul li{
   float: left;
   cursor: pointer;
   font-size: 0.6rem;
   display: flex;
   align-items: center;
   align-content: center;
   padding-top: 2%;
   padding-bottom: 1%;
   border-radius: 4px;
  }
  .count_box ul li .price{
   text-align: center;
  }
  .img_box{
   position: relative;
  }
  .add{
   font-size: 2rem;
   color:rgb(253,234,93);
   margin-left: 20px;
  }
  .delete{
   display: flex;
   align-items: center;
   color:rgb(253,234,93);
   font-size: 34px;
   position: absolute;
   top: -25%;
   right: -9%;
   cursor: pointer;
   z-index: 1;
  }
  /*计算结果*/
  .result{
   margin-top: 16%;
   margin-left: -30px;
   font-size: 1rem;
   display: flex;
   align-items: center;
   text-align: left;
   background: rgb(214,175,209);
  }
  .result_content{
   display: block;
   margin-left: 2rem;
  }
  .or_amount{
   text-decoration: line-through;
   line-height: 2rem;
  }
  .equal_to{
   font-size: 2rem;
   color:rgb(253,234,93);
  }
  .now_amount span{
   color:rgb(253,234,93);
  }
  .img01{
   position: absolute;
  }
  .buy{
   position: absolute;
   right: 12px;
   bottom: 10px;
   font-size: 0.75rem;
  }
 </style>
</head>
<body>
 <!-- 商品计算器 -->
 <div id="app">
  <div class="goods_box">
   <ul>
   <li class="goods" v-for="(item, index) in list" @click="choose(index)">
    <img class="goods_img" v-bind:src="item.goods_img">
    <div class="price">
     <div class="goods_name">
      {{item.name}}
     </div>
     <div class="now_and_or">
      <div class="now">现价：<span class="now_price">{{item.hide_price}}￥</span></div>
      <div class="or">原价：<span class="or_price">{{item.or_price}}￥</span></div>
     </div>
    </div>
   </li>
   </ul>
  </div>
  <div class="count_box">
   <ul>
    <li v-for="(item, index) in count_list" @click="deleteGoods(index)">
     <div class="count_box_item">
      <div class="img_box">
      <div class="delete">×</div>
      <img class="goods_img" v-bind:src="item.goods_img">
      </div>
     </div>
     <div class="add">+</div>
    </li>
    <li>
     <div class="result">
      <div class="equal_to">=</div>
      <div class="result_content">
       <div class="or_amount">原价：{{or_amount}}￥</div>
       <div class="now_amount">现价：<span>{{now_amount}}￥</span></div>
      </div>
     </div>
    </li>
   </ul>
   <a class="buy" href="#" rel="external nofollow" >立即购买</a>
  </div>
 </div>
 <script src="https://cdn.jsdelivr.net/npm/vue@2.5.17/dist/vue.js"></script>
 <script type="text/javascript">
  var idsArray = [];
  var or_priceArray = [];
  var now_priceArray = [];
  //数组去重
  function removeDuplicatedItem(arr) {
   for(var i = 0; i < arr.length-1; i++){
    for(var j = i+1; j < arr.length; j++){
     if(arr[i]==arr[j]){
      arr.splice(j,1);
      j--;
     }
    }
   }
   return arr;
  }
  var app = new Vue({
   el:"#app",
   data:{
    // 商品列表
    list:[
     {
      goods_img:"http://cdn.w7.cc/images/2018/05/19/mdqzEyVEeqBdK3xKulqskX9ryMMfTbgbU1jMOE7i.jpeg?imageView2/5/w/88/format/png",
      or_price:"100",
      now_price:"10",
      //显示的价格
      hide_price:"50",
      name:"很长很长的名字"
     },
     {
      goods_img:"http://cdn.w7.cc/images/2018/05/19/mdqzEyVEeqBdK3xKulqskX9ryMMfTbgbU1jMOE7i.jpeg?imageView2/5/w/88/format/png",
      or_price:"200",
      now_price:"20",
      hide_price:"？",
      name:"很长很长的名字"
     },
     {
      goods_img:"http://cdn.w7.cc/images/2018/05/19/mdqzEyVEeqBdK3xKulqskX9ryMMfTbgbU1jMOE7i.jpeg?imageView2/5/w/88/format/png",
      or_price:"300",
      now_price:"30",
      hide_price:"50",
      name:"很长很长的名字"
     },
     {
      goods_img:"http://cdn.w7.cc/images/2018/05/19/mdqzEyVEeqBdK3xKulqskX9ryMMfTbgbU1jMOE7i.jpeg?imageView2/5/w/88/format/png",
      or_price:"100",
      now_price:"10",
      hide_price:"50",
      name:"很长很长的名字"
     },
     {
      goods_img:"http://cdn.w7.cc/images/2018/05/19/mdqzEyVEeqBdK3xKulqskX9ryMMfTbgbU1jMOE7i.jpeg?imageView2/5/w/88/format/png",
      or_price:"200",
      now_price:"20",
      hide_price:"？",
      name:"很长很长的名字"
     },
     {
      goods_img:"http://cdn.w7.cc/images/2018/05/19/mdqzEyVEeqBdK3xKulqskX9ryMMfTbgbU1jMOE7i.jpeg?imageView2/5/w/88/format/png",
      or_price:"300",
      now_price:"30",
      hide_price:"50",
      name:"很长很长的名字"
     },
     {
      goods_img:"http://cdn.w7.cc/images/2018/05/19/mdqzEyVEeqBdK3xKulqskX9ryMMfTbgbU1jMOE7i.jpeg?imageView2/5/w/88/format/png",
      or_price:"100",
      now_price:"10",
      hide_price:"50",
      name:"很长很长的名字"
     },
     {
      goods_img:"http://cdn.w7.cc/images/2018/05/19/mdqzEyVEeqBdK3xKulqskX9ryMMfTbgbU1jMOE7i.jpeg?imageView2/5/w/88/format/png",
      or_price:"200",
      now_price:"20",
      hide_price:"50",
      name:"很长很长的名字"
     },
     {
      goods_img:"http://cdn.w7.cc/images/2018/05/19/mdqzEyVEeqBdK3xKulqskX9ryMMfTbgbU1jMOE7i.jpeg?imageView2/5/w/88/format/png",
      or_price:"300",
      now_price:"30",
      hide_price:"50",
      name:"很长很长的名字"
     }
    ],
    //动态选择列表
    count_list:[],
    //原总价
    or_amount:0,
    //现总价
    now_amount:0
   },
   methods:{
    choose: function(index){
     var arr = this.list;
     var that = this;
     //清空数组
     this.count_list = [];
     this.or_amount = 0;
     this.now_amount = 0;
     or_priceArray = [];
     now_priceArray = [];
     idsArray.push(index);
     //数组去重
     removeDuplicatedItem(idsArray);
     //循环打印选中商品
     for( var i=0;i<idsArray.length;i++){
      that.count_list.push(arr[idsArray[i]]);
      or_priceArray.push(parseInt(arr[idsArray[i]].or_price));
      now_priceArray.push(parseInt(arr[idsArray[i]].now_price));
     }
     //循环计算价格
     for(var i=0;i<or_priceArray.length;i++){
      this.or_amount += or_priceArray[i];
      this.now_amount += now_priceArray[i];
     }
    },
    //删除商品
    deleteGoods: function(index){
     this.or_amount = 0;
     this.now_amount = 0;
     this.count_list.splice(index,1);
     idsArray.splice(index,1);
     or_priceArray.splice(index,1);
     now_priceArray.splice(index,1);
     //循环计算价格
     for(var i=0;i<or_priceArray.length;i++){
      this.or_amount += or_priceArray[i];
      this.now_amount += now_priceArray[i];
     }
    }
   }
  })
 </script>
</body>
</html>
总结
以上所述是小编给大家介绍的vue实现商品加减计算总价，希望对大家有所帮助，如果大家有任何疑问欢迎给我留言，小编会及时回复大家的！
vue实现商品加减计算总价的实例代码

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