vue+ElementUI实现订单页动态添加产品数据效果实例代码

这两天学习了ElementUI基于vue2.0开发学习，这个知识点挺多的，而且很重要，所以，今天添加一点小笔记。

使用vue2.0(ElementUI基于vue2.0)+ElementUI(饿了么出品)实现的在订单页面动态添加产品的效果，并自动计算总价。代码直接保存为html文档，使用浏览器打开即可查看效果。

效果图：

<html>
 <head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
  <meta content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" name="viewport" />
  <!-- 引入element样式 -->
  <link rel="stylesheet" href="https://unpkg.com/element-ui/lib/theme-default/index.css" rel="external nofollow" >
  <title>订单页面</title>
 </head>
 <body>
  <div id="orderTest">

   <el-dialog title="产品库" v-model="dialogTableVisible">
    <el-table :data="list">
    <el-table-column property="name" label="产品名称" width="150"></el-table-column>
    <el-table-column property="price" label="单价" width="200"></el-table-column>
    <el-table-column :context="_self" inline-template label="操作">
     <div>
     <el-button
      size="small"
      @click="choise(row)">
      选择
     </el-button>
     </div>
    </el-table-column>
    </el-table>
   </el-dialog>

   <el-button type="info" icon="view" @click="dialogTableVisible = true">选择产品</el-button>
   <span v-show="checkedNames.length>0" style="font-family: Microsoft YaHei">总价：{{sumPrice}}元</span>
   <el-table :data="checkedNames" v-show="checkedNames.length>0">
    <el-table-column property="name" label="产品名称" width="150"></el-table-column>
    <el-table-column property="price" label="单价" width="200"></el-table-column>
    <el-table-column inline-template label="数量" width="200">
     <el-input-number v-model="row.num" :min="1" :max="10"></el-input-number>
    </el-table-column>
    <el-table-column :context="_self" inline-template label="操作">
     <i class="el-icon-circle-cross" @click="del(row)" title="删除"></i>
    </el-table-column>
   </el-table>

  </div>
 </body>
<!-- 引入vue -->
  <script src="https://unpkg.com/vue/dist/vue.js"></script>
  <!-- 引入element JS -->
  <script src="https://unpkg.com/element-ui/lib/index.js"></script>
  <script src="http://cdn.bootcss.com/jquery/3.1.1/jquery.js"></script>
  <script type="text/javascript">
   var order = new Vue({
     el: '#orderTest',
     data: {
      dialogTableVisible:false,
      checkedNames: [],
      list:[
        {name:"iphone7",price:5688,num:1},
        {name:"荣耀8",price:2299,num:1},
        {name:"Lumia830",price:1299,num:1}
        ]
     },
     computed:{
      sumPrice:function(){
       var sum = 0 ;
       for(var i=0;i< this.checkedNames.length;i++){
        sum+=this.checkedNames[i].price*this.checkedNames[i].num;
        }
       return sum;
       }
      },
     methods:{
      choise:function(p){
       order.checkedNames.push(p);
      },
      del:function(p){
       order.checkedNames.splice($.inArray(p, order.checkedNames), 1);
      },
     }
    });
  </script>

</html>

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