<van-cell-group wx:for='{{InputList}}' wx:key='input'>
    <van-field required  label="{{item.title}}"  placeholder="{{item.placeholder}}" id="{{item.id}}" type="{{item.type}}" maxlength='{{item.maxlength}}'  bind:input="InputData"/>
</van-cell-group>

输入内容时读取不到输入的值