vue4 template 应用

最新推荐文章于 2025-02-08 20:19:26 发布

转载最新推荐文章于 2025-02-08 20:19:26 发布 · 223 阅读

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本文介绍了一个使用Vue.js创建的待办事项应用程序，演示了如何通过Vue组件、事件监听和数据绑定实现动态添加和删除待办事项的功能。文章包含了完整的HTML、Vue和JavaScript代码示例。

<!DOCTYPE html>
<html>
<head>
    <title>Vue Demo</title>
    <script src="https://cdn.jsdelivr.net/npm/vue@2.5.16/dist/vue.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/axios@0.12.0/dist/axios.min.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/lodash@4.13.1/lodash.min.js"></script>
</head>
<body>
       
        <div id="todo-list-example">
                <form v-on:submit.prevent="addNewTodo">
                  <label for="new-todo">Add a todo</label>
                  <input
                    v-model="newTodoText"
                    id="new-todo"
                    placeholder="E.g. Feed the cat"
                  >
                  <button>Add</button>
                </form>
                <ul>
                  <li
                    is="todo-item"
                    v-for="(todo, index) in todos"
                    v-bind:key="todo.id"
                    v-bind:title="todo.title"
                    v-on:remove="todos.splice(index, 1)"
                  ></li>
                </ul>
              </div>

     
      
</body>
<script>

Vue.component('todo-item', {
  template: '\
    <li>\
      {{ title }}\
      <button v-on:click="$emit(\'remove\')">Remove</button>\
    </li>\
  ',
  props: ['title']
})

new Vue({
  el: '#todo-list-example',
  data: {
    newTodoText: '',
    todos: [
      {
        id: 1,
        title: 'Do the dishes',
      },
      {
        id: 2,
        title: 'Take out the trash',
      },
      {
        id: 3,
        title: 'Mow the lawn'
      }
    ],
    nextTodoId: 4
  },
  methods: {
    addNewTodo: function () {
      this.todos.push({
        id: this.nextTodoId++,
        title: this.newTodoText
      })
      this.newTodoText = ''
    }
  }
})
      
</script>
</html>