lovecoding
/
class


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    #app {
      width: 500px;
    }

    .close {
      float: right;
    }

    .active {
      background: red;
    }
  </style>
</head>

<body>
  <div id="app">
    <h2>todoList</h2>
    <hr>
    <div>
      名称：<input type="text" v-model="name">
      价格: <input type="text" v-model="price">
      <button @click="add">提交</button>
    </div>
    <div>
      <input type="text" v-model="searchVal">
      <button @click="search">搜索</button>
    </div>
    <ul>
      <li v-for="(obj,index) in list" v-show="obj.isShow" :class="{active: obj.isCheck}">
        <input type="checkbox" v-model="obj.isCheck">
        <span>{{obj.name}}</span>
        <span>{{obj.price}}</span>
        <span class="close" @click="del(index)">[X]</span>
      </li>
    </ul>
    <div>
      <button>删除选中</button>
      <span>总价:{{total()}}</span>
    </div>

  </div>
  <script src="vue.js"></script>
  <script>
    var app = new Vue({
      el: '#app',
      data: {
        list: [{
          name: '苹果',
          price: 5,
          isShow: true,
          isCheck: false
        }, {
          name: '香蕉',
          price: 8,
          isShow: true,
          isCheck: false
        }],
        name: '',
        price: '',
        searchVal: ''
      },
      methods: {
        add() {
          this.list.push({
            name: this.name,
            price: this.price,
            isShow: true,
            isCheck: false
          })
          this.name = ''
          this.price = ''
        },
        search() {
          this.list.forEach((obj) => {
            if (obj.name.includes(this.searchVal)) {
              obj.isShow = true
            } else {
              obj.isShow = false
            }
          })
          this.searchVal = ''
        },
        del(index) {
          this.list.splice(index, 1)
        },
        total() {
          var num = 0
          this.list.forEach((obj) => {
            if (obj.isCheck) {
              num += obj.price * 1
            }
          })
          return num
        }
      }
    })
  </script>
</body>

</html>