VIP30/weixin/pages/todoList/todoList.wxml

<view class="container">
    <view class="inp-bar">
        <input value="{{inpVal}}" type="text" bindinput="inputValue" />
    </view>
    <view class="btn-bar">
        <button type="primary" bind:tap="addTodo">添加代办事项</button>
    </view>
    <view class="list-bar">
        <view wx:for="{{todoList}}" wx:key="id" class="list-item">
            <view class="list-index">{{index + 1}}</view>
            <view class="list-title">{{item.title}}</view>
            <view class="list-btn">
                <button type="warn" bind:tap="down" data-id="{{item.id}}" size="mini">完成</button>
            </view>
        </view>
    </view>
</view>