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Vue之TodoList案例详解

作者:王同学要努力

这篇文章主要为大家介绍了Vue之TodoList的案例,具有一定的参考价值,感兴趣的小伙伴们可以参考一下,希望能够给你带来帮助<BR>

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<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>

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