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vuejs手把手教你寫(xiě)一個(gè)完整的購(gòu)物車實(shí)例代碼

更新時(shí)間：2017年07月06日 15:46:56 作者：走火愛(ài)上魚(yú)

這篇文章主要介紹了vuejs-手把手教你寫(xiě)一個(gè)完整的購(gòu)物車實(shí)例代碼，具有一定的參考價(jià)值，感興趣的小伙伴們可以參考一下

由于我們公司是主營(yíng)業(yè)務(wù)是海淘，所以每個(gè)項(xiàng)目都是類似淘寶天貓之類的商城，那么購(gòu)物車就是一個(gè)重點(diǎn)開(kāi)發(fā)功能模塊。介于之前我都是用jq來(lái)寫(xiě)購(gòu)物車的，這次就用vuejs來(lái)寫(xiě)一個(gè)購(gòu)物車。下面我就從全選，數(shù)量控制器，運(yùn)費(fèi)，商品金額計(jì)算等方法來(lái)演示一下一個(gè)能用在實(shí)際場(chǎng)景的購(gòu)物車是怎么做出來(lái)的以及記錄一下這次用vuejs踩過(guò)的坑。

1.一層數(shù)據(jù)結(jié)構(gòu)-全選

下面這段代碼和vuejs官網(wǎng)里面checkbox綁定很像。不明白的可以直接上vuejs官網(wǎng)看看。

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>vuejs-全選</title>
<style type="text/css">
* {
  padding: 0;
  margin: 0;
}
a {
  color: #333;
  text-decoration:none;
}
</style>
</head>
<body>
<label>
  <input type="checkbox" name="all" v-on:click="chooseAll" v-model="selectArr.length==goodsList.length" />
  <span>全選</span>
</label>
<div v-for="(index, item) in goodsList">
  <a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >
    <input type="checkbox" :value="index" v-model="selectArr" />
    商品名稱:<span v-html="item.name"></span> |
    價(jià)格:<span v-html="item.price"></span>
  </a>
</div>
<label>
  <input type="checkbox" name="all" v-on:click="chooseAll" v-model="selectArr.length==goodsList.length" />
  <span>全選</span>
</label>
<script src="http://cdn.bootcss.com/vue/1.0.7/vue.js"></script>
<script>
var vue = new Vue({
  el : 'body',
  data : {
    goodsList : [
      {
        name : '山本漢方1',
        price : '19.00'
      },
      {
        name : '山本漢方2',
        price : '19.00'
      },
      {
        name : '山本漢方3',
        price : '19.00'
      },
      {
        name : '山本漢方4',
        price : '19.00'
      },
      {
        name : '山本漢方5',
        price : '19.00'
      },
    ],
    selectArr : []
  },
  ready : function() {},
  methods : {
    chooseAll : function(event) {
      var oThis = this;
      oThis.selectArr = [];
      if ( event.currentTarget.checked ) {
        oThis.goodsList.forEach(function(item , index) {
          oThis.selectArr.push(index);
        });
      }
      console.log(oThis.selectArr);
    }
  }
})
</script>
</body>
</html>

2.二層數(shù)據(jù)結(jié)構(gòu)-全選

一層數(shù)據(jù)結(jié)構(gòu)的購(gòu)物車在現(xiàn)實(shí)中是很少看到的，比如我們最熟悉的淘寶購(gòu)物車是按照店鋪分的，那么必然是多層的數(shù)據(jù)結(jié)構(gòu)。這次在寫(xiě)這個(gè)二層數(shù)據(jù)接口的全選，碰到一個(gè)很大的坑，一開(kāi)始我是用了一層數(shù)據(jù)結(jié)構(gòu)的數(shù)據(jù)，發(fā)現(xiàn)當(dāng)對(duì)象數(shù)組里面的某個(gè)值改變了，視圖竟然沒(méi)有觸發(fā)！，所以會(huì)造成下面所有的checkbox都被選中了，最上面的那個(gè)全選checkbox竟然還是沒(méi)有被選中。感覺(jué)告訴我這是vuejs的坑，后來(lái)發(fā)現(xiàn)是js的坑。具體可以看這個(gè)。方法是百度到了，可是放我這里沒(méi)有用（應(yīng)該是版本問(wèn)題）。于是我就改了數(shù)據(jù)結(jié)構(gòu)。

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>vuejs-全選</title>
<style type="text/css">
* {
  padding: 0;
  margin: 0;
}
a {
  color: #333;
  text-decoration:none;
}
.goods-item {
  display: block;
}
.store-item {
  margin-bottom: 20px;
}
</style>
</head>
<body>
<div v-for="(index1, item) in goodsObj" class="store-item">
  <p>
    <span v-html="item.name"></span>
    <label>
      <input type="checkbox" name="all" v-on:click="chooseShopGoods(index1)" v-model="item.checked" />
      <span>全選</span>
    </label>
  </p>
  <a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" v-for="(index, data) in item.list" class="goods-item">
    <input type="checkbox" v-model="data.checked" v-on:click="choose(index1, index)" />
    商品名稱:<span v-html="data.name"></span> |
    價(jià)格:<span v-html="data.price"></span>
  </a>
</div>
<label>
  <input type="checkbox" name="all" v-on:click="chooseAllGoods()" v-model="allChecked" />
  <span>全選</span>
</label>
<script src="http://cdn.bootcss.com/vue/1.0.7/vue.js"></script>
<script>
var goodsObj = [
  {
    name : '大胖的店',
    checked : false,
    list : [
      {
        name : '麻辣二胖',
        price : 23.00,
        realStock : 10,
        fare : 1.5,
        num : 1,
        checked : false,
      },

      {
        name : '香辣二胖',
        price : 21.00,
        realStock : 2,
        fare : 1.5,
        num : 2,
        checked : false,
      },

      {
        name : '紅燒二胖',
        price : 88.00,
        realStock : 8,
        fare : 1.5,
        num : 4,
        checked : false,
      }
    ]
  },

  {
    name : '二胖的店',
    checked : false,
    list : [
      {
        name : '漂亮的裙子',
        price : 166.00,
        realStock : 10,
        fare : 2,
        num : 1,
        checked : false,
      },

      {
        name : '漂亮的短袖',
        price : 188.00,
        realStock : 2,
        fare : 1.5,
        num : 2,
        checked : false,
      },

      {
        name : '漂亮的鞋子',
        price : 299.00,
        realStock : 1,
        fare : 3,
        num : 1,
        checked : false,
      }
    ]
  },

  {
    name : '胖胖的店',
    checked : false,
    list : [
      {
        name : '福滿多',
        price : 3.00,
        realStock : 10,
        fare : .5,
        num : 10,
        checked : false,
      },

      {
        name : '精品衛(wèi)龍',
        price : 1.50,
        realStock : 2,
        fare : 2,
        num : 2,
        checked : false,
      },

      {
        name : '周長(zhǎng)江',
        price : 2.50,
        realStock : 3,
        fare : 5,
        num : 2,
        checked : false,
      }
    ]
  },
];
var vue = new Vue({
  el : 'body',
  data : {
    goodsObj : goodsObj,
    allChecked : false
  },
  ready : function() {

  },
  methods : {
    // 全部商品全選
    chooseAllGoods : function() {
      var flag = true;
      if ( this.allChecked ) {
        flag = false;
      }
      for ( var i = 0, len = this.goodsObj.length; i < len; i++ ) {
        this.goodsObj[i]['checked'] = flag;
        var list = this.goodsObj[i]['list'];
        for ( var k = 0, len1 = list.length; k < len1; k++ ) {
          list[k]['checked'] = flag;
        }
      }
      this.allChecked = !this.allChecked;
    },

    // 每個(gè)店鋪全選
    chooseShopGoods : function( index) {
      var list = this.goodsObj[index]['list'],
        len = list.length;
      if ( this.goodsObj[index]['checked'] ) {
        for (var i = 0; i < len; i++ ) {
          list[i]['checked'] = false;
        }
      } else {
        for (var i = 0; i < len; i++ ) {
          list[i]['checked'] = true;
        }
      }
      this.goodsObj[index]['checked'] = !this.goodsObj[index]['checked'];

      // 判斷是否選擇所有商品的全選
      this.isChooseAll();
    },

    // 單個(gè)選擇
    choose : function( index1, index) {
      var list = this.goodsObj[index1]['list'],
        len = list.length;
      if ( list[index]['checked'] ) {
        this.goodsObj[index1]['checked'] = false;
        this.allChecked = false;
        list[index]['checked'] = !list[index]['checked'];
      } else {
        list[index]['checked'] = !list[index]['checked'];

        // 判斷是否選擇當(dāng)前店鋪的全選
        var flag = true;
        for (var i = 0; i < len; i++ ) {
          if ( list[i]['checked'] == false ) {
            flag = false;
            break;
          }
        }
        flag == true ? this.goodsObj[index1]['checked'] = true : this.goodsObj[index1]['checked'] = false;
      }

      // 判斷是否選擇所有商品的全選
      this.isChooseAll();
    },

    // 判斷是否選擇所有商品的全選
    isChooseAll : function() {
      var flag1 = true;
      for ( var i = 0, len = this.goodsObj.length; i < len; i++ ) {
        if ( this.goodsObj[i]['checked'] == false ) {
          flag1 = false;
          break;
        }
      }
      flag1 == true ? this.allChecked = true : this.allChecked = false;
    },

  }
})
</script>
</body>
</html>

3.一層數(shù)據(jù)結(jié)構(gòu)-數(shù)量選擇器

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>vuejs-數(shù)量選擇器(1層數(shù)據(jù)結(jié)構(gòu))</title>
<style type="text/css">
*{
  padding:0;
  margin: 0;
  box-sizing: border-box;
  font-size: 16px;
}
.clearfix:after {
  content: ".";
  visibility: hidden;
  display: block;
  height: .1px;
  font-size: .1em;
  line-height: 0;
  clear: both;
}
.quantity-selector {
  margin-bottom: 20px;
  width: 8.571rem;
  line-height: 2.857rem;
  border: 1px solid #d1d6e4;
  border-radius: 3px;
}
.quantity-selector .reduce, 
.quantity-selector .add {
  float: left;
  width: 33.33%;
  border-right: 1px solid #d1d6e4;
  text-align: center;
  cursor: pointer;
}
.quantity-selector .number {
  float: left;
  width: 33.33%;
  height: 2.857rem;
  padding: .5rem 0;
  line-height: 1rem;
  border: none;
  text-align: center;
}
.quantity-selector .add {
  border-left: 1px solid #d1d6e4;
  border-right: none;
}
.quantity-selector .disable {
  color: #d2d2d2;
  cursor: default;
}
</style>
</head>
<body>

<div v-for="data in goodsList">
  <p>商品數(shù)量 ：<span v-html="data.num"></span></p>
  <p>商品庫(kù)存 ：<span v-html="data.realStock"></span></p>
  <div class="quantity-selector clearfix">
    <span class="reduce" v-on:click="numChange($index, -1)" v-bind:class="{ 'disable' : data.num==1 }">－</span>
    <input type="number" v-bind:value="data.num" class="number" v-bind:data-realStock="data.realStock" v-on:keyUp="numEntry($index)" v-on:keyDown="numEntry($index)" v-model="data.num"/>
    <span class="add" v-on:click="numChange($index, 1)" v-bind:class="{ 'disable' : data.num==data.realStock }">＋</span>
  </div>
</div>

<script src="http://cdn.bootcss.com/vue/1.0.7/vue.js"></script>
<script>
var vue = new Vue({
  el : 'body',
  data : {
    goodsList : [
      {
        name : '山本漢方1',
        price : '19.00',
        realStock : 10,
        num : 1
      },
      {
        name : '山本漢方1',
        price : '19.00',
        realStock : 7,
        num : 8
      },
      {
        name : '山本漢方1',
        price : '19.00',
        realStock : 2,
        num : 2
      },
    ]
  },
  ready : function() {},
  methods : {
    numChange : function(index, numChange) {
      var goods = this.goodsList[index];
      if ( numChange == 1 ) {
        goods.num++;
      } else if ( numChange == -1 ) {
        goods.num--;
      }

      if ( goods.num <= 1 ) {
        goods.num = 1;
      } 

      if ( goods.num >= goods.realStock ) {
        goods.num = goods.realStock;
      }
    },

    numEntry : function(index) {
      var goods = this.goodsList[index];
      if ( goods.num <=1 ) {
        goods.num = 1;
      }

      if ( goods.num > goods.realStock ) {
        goods.num = goods.realStock;
      }

    }
    
  }
})
</script>
</body>
</html>

4.二層數(shù)據(jù)結(jié)構(gòu)-數(shù)據(jù)選擇器

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>vuejs-數(shù)量選擇器(2層數(shù)據(jù)結(jié)構(gòu))</title>
<style type="text/css">
*{
  padding:0;
  margin: 0;
  box-sizing: border-box;
  font-size: 16px;
}
a {
  text-decoration: none;
  color: #333;
}
.clearfix:after {
  content: ".";
  visibility: hidden;
  display: block;
  height: .1px;
  font-size: .1em;
  line-height: 0;
  clear: both;
}
.quantity-selector {
  margin: 0 auto;
  width: 8.571rem;
  line-height: 30px;
  border: 1px solid #d1d6e4;
  border-radius: 3px;
}
.quantity-selector .reduce, 
.quantity-selector .add {
  float: left;
  width: 33.33%;
  border-right: 1px solid #d1d6e4;
  text-align: center;
  cursor: pointer;
}
.quantity-selector .number {
  float: left;
  width: 33.33%;
  height: 30px;
  border: none;
  padding-left: 10px;
  text-align: center;
}
.quantity-selector .add {
  border-left: 1px solid #d1d6e4;
  border-right: none;
}
.quantity-selector .disable {
  color: #d2d2d2;
  cursor: default;
}

/*店鋪開(kāi)始*/
.store-item {
  width: 600px;
  margin: 30px auto;
}
.store-item th {
  height: 40px;
  background: #d2d2d2;
  -webkit-text-stroke: 1px #ff7500;
  font-size: 18px;
}
.store-item td {
  height: 60px;
  text-align: center;
}
.cal-store-box {
  text-align: right;
}
.store-footer {
  width: 600px;
  margin: 50px auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
/*店鋪結(jié)束*/
</style>
</head>
<body>
<div class="store-item" v-for="(index1, item) in goodsObj"> 
  <p v-html="index1"></p>
  <table class="store-item">
    <col width="10%"></col>
    <col width="10%"></col>
    <col width="20%"></col>
    <col width="10%"></col>
    <col width="40%"></col>
    <col width="10%"></col>
    <thead class="thead">
      <tr>
        <th>選擇</th>
        <th>商品</th>
        <th>單價(jià)</th>
        <th>運(yùn)費(fèi)</th>
        <th>數(shù)量</th>
        <th>操作</th>
      </tr>
    </thead>
    <tbody>
      <tr v-for="(index, data) in item">
        <td>
          
        </td>
        <td>
          <p><span v-html="data.name"></span></p>
        </td>
        <td v-html="(data.price).toFixed(2)"></td>
        <td v-html="(data.fare).toFixed(2)"></td>
        <td>
          <div class="quantity-selector clearfix">
            <span class="reduce" v-on:click="numChange(index1, $index, -1)" v-bind:class="{ 'disable' : data.num==1 }">－</span>
            <input type="number" v-bind:value="data.num" class="number" v-bind:data-realStock="data.realStock" v-on:keyUp="numEntry(index1, $index)" v-on:keyDown="numEntry(index1, $index)" v-model="data.num"/>
            <span class="add" v-on:click="numChange(index1, $index, 1)" v-bind:class="{ 'disable' : data.num==data.realStock }">＋</span>
          </div>
        </td>
        <td>
          <a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >刪除</a>
        </td>
      </tr>
    </tbody>
  </table>
  <div class="cal-store-box">
    <p>店鋪總運(yùn)費(fèi): <span v-html="calEveryFare(index1)"></span></p>
    <p>店鋪商品總金額: <span v-html="calEveryStore(index1)"></span></p>
  </div>
</div>

<div class="store-footer">
  <!-- <a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >
    <input type="checkbox" />
    <span>全選</span>
  </a> -->
  <div class="cal-box">
    <p>商品總金額:<span v-html="totalFare"></span></p>
    <p>運(yùn)費(fèi)總金額:<span v-html="totalMoney"></span></p>
  </div>
</div>

<script src="http://cdn.bootcss.com/vue/1.0.7/vue.js"></script>
<script>
var goodsObj = {
  '大胖的店' : [
    {
      name : '康師傅',
      price : 23.00,
      realStock : 10,
      fare : 1.5,
      num : 1
    },

    {
      name : '今麥郎',
      price : 26.00,
      realStock : 2,
      fare : 1.5,
      num : 2
    },

    {
      name : '比巴卜',
      price : 88.00,
      realStock : 8,
      fare : 1.5,
      num : 4
    }
  ],

  '二胖的店' : [
    {
      name : '好看的鞋子',
      price : 23.00,
      realStock : 7,
      fare : 2,
      num : 1
    },

    {
      name : '好看的裙子',
      price : 26.00,
      realStock : 5,
      fare : 2,
      num : 5
    },

    {
      name : '好看的短袖',
      price : 88.00,
      realStock : 10,
      fare : 2,
      num : 1
    }
  ],

  '胖胖的店' : [
    {
      name : '福滿多1號(hào)',
      price : 26.00,
      realStock : 7,
      fare : 3,
      num : 1
    },

    {
      name : '福滿多2號(hào)',
      price : 26.00,
      realStock : 7,
      fare : 3,
      num : 1
    },

    {
      name : '經(jīng)典衛(wèi)龍辣條',
      price : 16.00,
      realStock : 50,
      fare : 3,
      num : 5
    },

    {
      name : '霸王牛津',
      price : 80.00,
      realStock : 10,
      fare : 3,
      num : 6
    }
  ]
};
var vue = new Vue({
  el : 'body',
  data : {
    goodsObj : goodsObj,
    totalMoney : 0,
    totalFare : 0
  },
  ready : function() {
    this.calTotalMoney();
    this.calTotalFare();
  },
  methods : {
    numChange : function(index1, index, numChange) {
      var goods = this.goodsObj[index1][index],
        oThis = this;
      if ( numChange == 1 ) {
        goods.num++;
      } else if ( numChange == -1 ) {
        goods.num--;
      }

      if ( goods.num <= 1 ) {
        goods.num = 1;
      } 

      if ( goods.num >= goods.realStock ) {
        goods.num = goods.realStock;
      }
      this.calTotalMoney();
    },

    numEntry : function(index1, index) {
      var goods = this.goodsObj[index1][index];
      if ( goods.num <=1 ) {
        goods.num = 1;
      }

      if ( goods.num > goods.realStock ) {
        goods.num = goods.realStock;
      }
      this.calTotalMoney();
    },

    calEveryStore : function(index) {
      var everyStoreMoney = 0;
      this.goodsObj[index].forEach(function(item, index, arr) {
        everyStoreMoney += parseFloat(item.price) * parseFloat(item.num);
      });
      return everyStoreMoney.toFixed(2);
    },

    calEveryFare : function(index) {
      var everyStoreFare = 0;
      this.goodsObj[index].forEach(function(item, index, arr) {
        everyStoreFare += parseFloat(item.fare) * parseFloat(item.num);
      });
      return everyStoreFare.toFixed(2);
    },

    calTotalMoney : function () {
      var oThis = this;
      this.totalMoney = 0;
      for ( var x in this.goodsObj ) {
        this.goodsObj[x].forEach(function(item, index, arr) {
          oThis.totalMoney += parseFloat(item.price) * parseFloat(item.num);
        });
      }
      this.totalMoney = this.totalMoney.toFixed(2);
    },

    calTotalFare : function () {
      var oThis = this;
      this.totalFare = 0;
      for ( var x in this.goodsObj ) {
        this.goodsObj[x].forEach(function(item, index, arr) {
          oThis.totalFare += parseFloat(item.fare) * parseFloat(item.num);
        });
      }
      this.totalFare = this.totalFare.toFixed(2);
    },
    
  }
})
</script>
</body>
</html>

5.一個(gè)完整的購(gòu)物車

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>vuejs-數(shù)量選擇器(2層數(shù)據(jù)結(jié)構(gòu))</title>
<style type="text/css">
*{
  padding:0;
  margin: 0;
  box-sizing: border-box;
  font-size: 16px;
}
a {
  text-decoration: none;
  color: #333;
}
.clearfix:after {
  content: ".";
  visibility: hidden;
  display: block;
  height: .1px;
  font-size: .1em;
  line-height: 0;
  clear: both;
}
.quantity-selector {
  margin: 0 auto;
  width: 8.571rem;
  line-height: 30px;
  border: 1px solid #d1d6e4;
  border-radius: 3px;
}
.quantity-selector .reduce, 
.quantity-selector .add {
  float: left;
  width: 33.33%;
  border-right: 1px solid #d1d6e4;
  text-align: center;
  cursor: pointer;
}
.quantity-selector .number {
  float: left;
  width: 33.33%;
  height: 30px;
  border: none;
  padding-left: 10px;
  text-align: center;
}
.quantity-selector .add {
  border-left: 1px solid #d1d6e4;
  border-right: none;
}
.quantity-selector .disable {
  color: #d2d2d2;
  cursor: default;
}

label {
  cursor: pointer;
}

.choose-all {
  margin-left: 20px;
}

/*店鋪開(kāi)始*/
.store-item {
  width: 600px;
  margin: 30px auto;
}
.store-item th {
  height: 40px;
  background: #d2d2d2;
  -webkit-text-stroke: 1px #ff7500;
  font-size: 18px;
}
.store-item td {
  height: 60px;
  text-align: center;
}
.cal-store-box {
  text-align: right;
}
.store-footer {
  width: 600px;
  margin: 50px auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
/*店鋪結(jié)束*/
</style>
</head>
<body>
<div class="store-item" v-for="(index1, item) in goodsObj"> 
  <p>
    <span v-html="item.name"></span>
    <label class="choose-all">
      <input type="checkbox" name="all" v-on:click="chooseShopGoods(index1)" v-model="item.checked" />
      <span>全選</span>
    </label>
  </p>
  <table class="store-item">
    <col width="10%"></col>
    <col width="15%"></col>
    <col width="15%"></col>
    <col width="10%"></col>
    <col width="40%"></col>
    <col width="10%"></col>
    <thead class="thead">
      <tr>
        <th>選擇</th>
        <th>商品</th>
        <th>單價(jià)</th>
        <th>運(yùn)費(fèi)</th>
        <th>數(shù)量</th>
        <th>操作</th>
      </tr>
    </thead>
    <tbody>
      <tr v-for="(index, data) in item.list">
        <td>
          <input type="checkbox" name="all" v-model="data.checked" v-on:click="choose(index1, index)" />
        </td>
        <td>
          <p><span v-html="data.name"></span></p>
        </td>
        <td v-html="(data.price).toFixed(2)"></td>
        <td v-html="(data.fare).toFixed(2)"></td>
        <td>
          <div class="quantity-selector clearfix">
            <span class="reduce" v-on:click="numChange(index1, $index, -1)" v-bind:class="{ 'disable' : data.num==1 }">－</span>
            <input type="number" v-bind:value="data.num" class="number" v-bind:data-realStock="data.realStock" v-on:keyUp="numEntry(index1, $index)" v-on:keyDown="numEntry(index1, $index)" v-model="data.num"/>
            <span class="add" v-on:click="numChange(index1, $index, 1)" v-bind:class="{ 'disable' : data.num==data.realStock }">＋</span>
          </div>
        </td>
        <td>
          <a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" v-on:click="delGoods(index1, index)">刪除</a>
        </td>
      </tr>
    </tbody>
  </table>
  <div class="cal-store-box">
    <p>店鋪總運(yùn)費(fèi): <span v-html="calEveryFare(index1)"></span></p>
    <p>店鋪商品總金額: <span v-html="calEveryStore(index1)"></span></p>
  </div>
</div>

<div class="store-footer">
  <label>
    <input type="checkbox" v-on:click="chooseAllGoods($event)" v-model="allChecked" />
    <span>全選</span>
  </label>
  <div class="cal-box">
    <p>商品總運(yùn)費(fèi):<span v-html="totalFare.toFixed(2)"></span></p>
    <p>商品總金額:<span v-html="totalMoney.toFixed(2)"></span></p>
  </div>
</div>

<script src="http://cdn.bootcss.com/vue/1.0.7/vue.js"></script>
<script>
var goodsObj = [
  {
    name : '大胖的店',
    checked : false,
    list : [
      {
        name : '麻辣二胖',
        price : 23.00,
        realStock : 10,
        fare : 1.5,
        num : 1,
        checked : false,
      },

      {
        name : '香辣二胖',
        price : 21.00,
        realStock : 2,
        fare : 1.5,
        num : 2,
        checked : false,
      },

      {
        name : '紅燒二胖',
        price : 88.00,
        realStock : 8,
        fare : 1.5,
        num : 4,
        checked : false,
      }
    ]
  },

  {
    name : '二胖的店',
    checked : false,
    list : [
      {
        name : '漂亮的裙子',
        price : 166.00,
        realStock : 10,
        fare : 2,
        num : 1,
        checked : false,
      },

      {
        name : '漂亮的短袖',
        price : 188.00,
        realStock : 2,
        fare : 1.5,
        num : 2,
        checked : false,
      },

      {
        name : '漂亮的鞋子',
        price : 299.00,
        realStock : 1,
        fare : 3,
        num : 1,
        checked : false,
      }
    ]
  },

  {
    name : '胖胖的店',
    checked : false,
    list : [
      {
        name : '福滿多',
        price : 3.00,
        realStock : 10,
        fare : .5,
        num : 10,
        checked : false,
      },

      {
        name : '精品衛(wèi)龍',
        price : 1.50,
        realStock : 2,
        fare : 2,
        num : 2,
        checked : false,
      },

      {
        name : '周長(zhǎng)江',
        price : 2.50,
        realStock : 3,
        fare : 5,
        num : 2,
        checked : false,
      }
    ]
  },
];
var vue = new Vue({
  el : 'body',
  data : {
    goodsObj : goodsObj,
    totalMoney : 0,
    totalFare : 0,
    allChecked : false
  },
  ready : function() {},
  methods : {

    // 全部商品全選
    chooseAllGoods : function() {
      var flag = true;
      if ( this.allChecked ) {
        flag = false;
      }
      for ( var i = 0, len = this.goodsObj.length; i < len; i++ ) {
        this.goodsObj[i]['checked'] = flag;
        var list = this.goodsObj[i]['list'];
        for ( var k = 0, len1 = list.length; k < len1; k++ ) {
          list[k]['checked'] = flag;
        }
      }
      this.allChecked = !this.allChecked;
      this.calTotalMoney();
      this.calTotalFare();
    },

    // 每個(gè)店鋪全選
    chooseShopGoods : function( index) {
      var list = this.goodsObj[index]['list'],
        len = list.length;
      if ( this.goodsObj[index]['checked'] ) {
        for (var i = 0; i < len; i++ ) {
          list[i]['checked'] = false;
        }
      } else {
        for (var i = 0; i < len; i++ ) {
          list[i]['checked'] = true;
        }
      }
      this.goodsObj[index]['checked'] = !this.goodsObj[index]['checked'];

      // 判斷是否選擇所有商品的全選
      this.isChooseAll();

      this.cal(index);
    },

    // 單個(gè)選擇
    choose : function( index1, index) {
      var list = this.goodsObj[index1]['list'],
        len = list.length;
      if ( list[index]['checked'] ) {
        this.goodsObj[index1]['checked'] = false;
        this.allChecked = false;
        list[index]['checked'] = !list[index]['checked'];
      } else {
        list[index]['checked'] = !list[index]['checked'];

        // 判斷是否選擇當(dāng)前店鋪的全選
        var flag = true;
        for (var i = 0; i < len; i++ ) {
          if ( list[i]['checked'] == false ) {
            flag = false;
            break;
          }
        }
        flag == true ? this.goodsObj[index1]['checked'] = true : this.goodsObj[index1]['checked'] = false;
      }

      // 判斷是否選擇所有商品的全選
      this.isChooseAll();

      this.cal(index);
    },

    // 判斷是否選擇所有商品的全選
    isChooseAll : function() {
      var flag1 = true;
      for ( var i = 0, len = this.goodsObj.length; i < len; i++ ) {
        if ( this.goodsObj[i]['checked'] == false ) {
          flag1 = false;
          break;
        }
      }
      flag1 == true ? this.allChecked = true : this.allChecked = false;
    },

    // 商品數(shù)量控制
    numChange : function(index1, index, numChange) {
      var goods = this.goodsObj[index1]['list'][index],
        oThis = this;
      if ( numChange == 1 ) {
        goods.num++;
      } else if ( numChange == -1 ) {
        goods.num--;
      }

      if ( goods.num <= 1 ) {
        goods.num = 1;
      } 

      if ( goods.num >= goods.realStock ) {
        goods.num = goods.realStock;
      }

      this.cal(index);
    },

    // 用戶填寫(xiě)容錯(cuò)處理
    numEntry : function(index1, index) {
      var goods = this.goodsObj[index1]['list'][index];
      if ( goods.num <=1 ) {
        goods.num = 1;
      }

      if ( goods.num > goods.realStock ) {
        goods.num = goods.realStock;
      }
      this.cal(index);
    },

    // 計(jì)算每個(gè)店鋪的商品總額
    calEveryStore : function(index) {
      var everyStoreMoney = 0,
        list = this.goodsObj[index]['list'];
      list.forEach(function(item, index, arr) {
        if ( list[index]['checked'] ) { 
          everyStoreMoney += parseFloat(item.price) * parseFloat(item.num);
        }
      });
      return everyStoreMoney.toFixed(2);
    },

    // 計(jì)算每個(gè)店鋪的運(yùn)費(fèi)總額
    calEveryFare : function(index) {
      var everyStoreFare = 0,
        list = this.goodsObj[index]['list'];
      list.forEach(function(item, index, arr) {
        if ( list[index]['checked'] ) { 
          everyStoreFare += parseFloat(item.fare) * parseFloat(item.num);
        }
      });
      return everyStoreFare.toFixed(2);
    },

    // 計(jì)算商品總金額
    calTotalMoney : function () {
      var oThis = this;
      this.totalMoney = 0;
      for ( var i = 0, len = this.goodsObj.length; i < len; i++ ) {
        var list = this.goodsObj[i]['list'];
        list.forEach(function(item, index, arr) {
          if ( list[index]['checked'] ) {
            oThis.totalMoney += parseFloat(item.price) * parseFloat(item.num);
          }
        });
      }
    },

    // 計(jì)算商品總運(yùn)費(fèi)
    calTotalFare : function () {
      var oThis = this;
      this.totalFare = 0;
      for ( var i = 0, len = this.goodsObj.length; i < len; i++ ) {
        var list = this.goodsObj[i]['list'];
        list.forEach(function(item, index, arr) {
          if ( list[index]['checked'] ) {
            oThis.totalFare += parseFloat(item.fare) * parseFloat(item.num);
          }
        });
      }
    },

    // 計(jì)算方法集合
    cal : function(index) {
      this.calEveryStore(index);
      this.calEveryFare(index);
      this.calTotalMoney();
      this.calTotalFare();
    },

    // 刪除操作
    delGoods : function(index1, index) {
      console.log(index1);
      console.log(index);
      this.goodsObj[index1]['list'].splice(index, 1);
      this.cal(index);
    }
    
  }
})
</script>
</body>
</html>

效果如下：