Vue2.0— TodoList案例（十七）

Posted 2021-12-16 王同学要努力

【Vue2.0】— TodoList案例（十七）

<template>

  <div id="root">
    <div class="todo-container">
      <div class="todo-wrap">
        <Top :received="received" />
        <List :todos="todos" :checkTodo="checkTodo" :deleteTodo="deleteTodo" />
        <Bottom :todos="todos" :checkAllTodo="checkAllTodo" :clearAllTodo="clearAllTodo" />
      </div>
    </div>
  </div>

</template>

<script>
  import Top from './components/Top.vue'
  import Bottom from './components/Bottom.vue'
  import List from './components/List.vue'

  export default 
    name: 'App',

    components: 
      Top,
      List,
      Bottom
    ,
    data() 
      return 
        todos: [
            id: '001',
            title: '吃饭',
            done: true
          ,
          
            id: '002',
            title: '睡觉',
            done: false
          ,
          
            id: '003',
            title: '打豆豆',
            done: false
          ,
        ]
      
    ,
    methods: 
      //添加一个todo
      received(todoObj) 
        this.todos.unshift(todoObj);
      ,
      //取消勾选todo
      checkTodo(id) 
        this.todos.forEach((todo) => 
          //函数体
          if (todo.id === id) todo.done = !todo.done;
        )
      ,
      //删除
      deleteTodo(id) 
        this.todos = this.todos.filter(todo => todo.id !== id)
      ,

      //全选 全不选
      checkAllTodo(done) 
        this.todos.forEach((todo) => 
          todo.done = done
        )
      ,

      //清除所有已经完成的数据
      clearAllTodo() 
        this.todos = this.todos.filter((todo) => 
          return !todo.done
        )
      

    
  

</script>

<style lang="css">
  /*base*/
  body 
    background: #fff;
  

  .btn 
    display: inline-block;
    padding: 4px 12px;
    margin-bottom: 0;
    font-size: 14px;
    line-height: 20px;
    text-align: center;
    vertical-align: middle;
    cursor: pointer;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.05);
    border-radius: 4px;
  

  .btn-danger 
    color: #fff;
    background-color: #da4f49;
    border: 1px solid #bd362f;
  

  .btn-danger:hover 
    color: #fff;
    background-color: #bd362f;
  

  .btn:focus 
    outline: none;
  

  .todo-container 
    width: 600px;
    margin: 0 auto;
  

  .todo-container .todo-wrap 
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
  

</style>