把按钮放在picker区域里就好了 picker本身就是一个区域
<picker mode = "selector" class='info' bindchange="bindPickerChange" value="{ {index_member}}" range="{ {members}}" range-key="name"> //下面可以是图片或按钮 <image class="state" src="../../assets/images/tast.png"></image> </picker>