确定 bindchange
取消 bindcancel
<picker mode="date" header-text="选择时间" fields="month" bindchange="selectDataTime" bindcancel="cancelDataTime"><view class="select-current">测试</view></picker>
methods = {cancelDataTime(e) {console.log('取消了',e)},selectDataTime(e) {console.log('点击确定选择的年月是:', e)},
