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Vue.js 简单购物车开发

时间:2019-05-11 09:39:07      阅读:142      评论:0      收藏:0      [点我收藏+]

标签:idt   1.0   界面   table   back   命运   weight   bsp   height   

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <script  src="Vue.2.6.10.js"></script>
</head>
<style>
    [v-cloak]{
        display: none;
    }
    table{
        border: 1px solid #e9e9e9;
        border-collapse: collapse;
        border-spacing: 0;
        empty-cells: show; 
    }
    th,td{
        padding: 8px 16px;
        border: 1px solid #e9e9e9;
        text-align: left;
    }
    th{
        background: #f7f7f7;
        color: #5c6b77;
        font-weight: 600;
        white-space: nowrap;
    }
</style>
<body>
    <div id="app" v-cloak>
        <template v-if = ‘list.length‘>
            <!-- 只有当列表不为空时才显示购物车列表 -->
            <table>
                <thead>
                    <tr>
                        <th></th>
                        <th>商品名称</th>
                        <th>商品单价</th>
                        <th>购买数量</th>
                        <th>操作</th>
                    </tr>
                </thead>
                <tbody>
                    <tr v-for = "(item,index) in list">
                        <td>{{ index + 1 }}</td>
                        <td>{{ item.name }}</td>
                        <td>{{ item.price }}</td>
                        <td>
                            <!-- 参数是商品在列表中的索引 -->
                            <!-- 按钮组是被包裹在带有v-for的tr中的 -->
                            <button
                                @click = ‘handleReduce(index)‘
                                :disabled = ‘item.count === 1‘
                            >-</button>
                            {{ item.count }}
                            <button @click = "handleAdd(index)">+</button>
                        </td>
                        <td>
                            <button @click = "handleRemove(index)">移除</button>
                        </td>
                    </tr>
                </tbody>
            </table>
            <div>总价:¥ {{ totalPrice }}</div>
        </template>
        <div v-else>购物车为空</div>
    </div>
</body>
<script>
    var app = new Vue({
       el:"#app",
       data:{
            list:[
                {
                    id:001,
                    name:报丧女妖,
                    price:2000,
                    count:1
                },
                {
                    id:002,
                    name:命运女神,
                    price:2300,
                    count:2
                },
                {
                    id:003,
                    name:独角兽,
                    price:1500,
                    count:4
                },
                {
                    id:004,
                    name:独角兽-菲尼克斯,
                    price:3000,
                    count:1
                },
                {
                    id:005,
                    name:红异端,
                    price:2600,
                    count:10
                }
            ]
       },
       computed: {
           totalPrice:function(){
               var total = 0;
               for(var i = 0;i<this.list.length;i++){
                   var item = this.list[i];
                   total += item.price*item.count;
               }
               return total.toString().replace(/\B(?=(\d{3}) + $)/g,,);
           }
       },
       methods: {
           handleReduce:function(index){
               if(this.list[index].count === 1) return;
               this.list[index].count--;
           },
           handleAdd:function(index){
               this.list[index].count++;
           },
           handleRemove:function(index){
               this.list.splice(index,1);//移除且无法在购物车界面恢复
           }
       },
    });
</script>
</html>

 

Vue.js 简单购物车开发

标签:idt   1.0   界面   table   back   命运   weight   bsp   height   

原文地址:https://www.cnblogs.com/linbudu/p/10847604.html

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