vue--Search, add, delete small cases

<!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>Vue基础小例子</title>
  <style>
    #app {
    
    
      width: 600px;
      margin: 10px auto;
    }

    .tb {
    
    
      border-collapse: collapse;
      width: 100%;
    }

    .tb th {
    
    
      background-color: #0094ff;
      color: white;
    }

    .tb td,
    .tb th {
    
    
      padding: 5px;
      border: 1px solid black;
      text-align: center;
    }

    .add {
    
    
      padding: 5px;
      border: 1px solid black;
      margin-bottom: 10px;
    }
  </style>

  <script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/vue.js"></script>
</head>

<body>
  <div id="app">
    <div class="add">
      品牌名称:
      <input type="text" v-model="name" v-focus />
      <input type="button" :disabled="name.length===0" value="添加" @click="addItem" />
    </div>
    <div class="add">
      品牌名称:
      <input type="text" placeholder="请输入搜索条件" v-model="searchValue" />
    </div>

    <div>
      <table class="tb">
        <tr>
          <th>编号</th>
          <th>品牌名称</th>
          <th>创立时间</th>
          <th>操作</th>
        </tr>
        <tr v-for="(item,index) in filterList" :key="index">
          <td>{
    
    {
    
     index + 1 }}</td>
          <td>{
    
    {
    
     item.name }}</td>
          <td>{
    
    {
    
     item.date | formatDate }}</td>
          <td @click="delItem(index)">
            <a href="#">删除</a>
          </td>
        </tr>
        <tr v-if="!filterList.length">
          <td colspan="4">没有品牌数据</td>
        </tr>
      </table>
    </div>
  </div>

  <script src="https://cdn.bootcss.com/moment.js/2.20.1/moment.min.js"></script>
  <script>
    var vm = new Vue({
    
    
      el: "#app",
      data: {
    
    
        list: [{
    
    
            name: "TCL",
            date: new Date()
          },
          {
    
    
            name: "小米",
            date: new Date()
          },
          {
    
    
            name: "苹果",
            date: new Date()
          }
        ],
        name: "",
        searchValue: ""
      },
      filters: {
    
    
        formatDate(value, params = "YYYY-MM-DD hh:mm:ss") {
    
    
          return moment(value).format(params);
        }
      },
      methods: {
    
    
        addItem() {
    
    
          this.list.unshift({
    
    
            name: this.name,
            date: new Date()
          });
          this.name = "";
        },
        delItem(index) {
    
    
          if (confirm("确定删除此条数据?")) {
    
    
            this.list.splice(index, 1);
          }
        }
      },
      computed: {
    
    
        filterList() {
    
    
          if (!this.searchValue) return this.list;
          return this.list.filter(item => {
    
    
            return item.name.startsWith(this.searchValue);
          });
        }
      },
      directives: {
    
    
        focus: {
    
    
          inserted(dom) {
    
    
            dom && dom.focus();
          }
        }
      }
    });
  </script>
</body>

</html>
vue--Search, add, delete small cases

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