<!--选择年月--><view bindtap="pickCalendar">{{year}}年{{month}}月</view><picker-view wx:if="{{open}}" class="fixed-select" indicator-style="height: 50px;" style="width: 100%; height: 300px;" value="{{[year, month-1]}}" bindchange="bindChange"><view class="select-head"><view class="close" bindtap="closeSelect">取消</view><view class="close sure" bindtap="sureSelect">确定</view></view><picker-view-column><view wx:for="{{years}}" wx:key="this" class="picker-list">{{item}}年</view></picker-view-column><picker-view-column><view wx:for="{{months}}" wx:key="this" class="picker-list">{{item}}月</view></picker-view-column>    </picker-view>

/*选择年月-start*/
const date = new Date()
const years = []
const months = []
for (let i = 1900; i <= date.getFullYear(); i++) {years.push(i)
}
for (let i = 1; i <= 12; i++) {months.push(i)
}
/*选择年月-end*/
Page({data: {/*选择日期-start*/years,months,year: date.getFullYear(), //年份month: date.getMonth() + 1, //几月value: [9999, 0, 0], // 获取年月份open: false,checkedYear: '',//选中的年份 最后赋值用checkedMonth: '',//选中的月份 最后赋值用/*选择日期-end*/},/*其它代码*//*月份选择器-start*/  pickCalendar(){console.log(this.data.month)this.setData({open: true})},//确定选择sureSelect(){this.setData({// val 上面定义了 接收的是e里面的值 为数组 year: this.data.checkedYear || this.data.year,month: this.data.checkedMonth || this.data.month,open: false}) },// 取消选择 closeSelect() {this.setData({open: false})},// 日期改变bindChange(e) {const val = e.detail.valuethis.setData({// val 上面定义了 接收的是e里面的值 为数组 checkedYear: this.data.years[val[0]],checkedMonth: this.data.months[val[1]],})    },/*月份选择器-end*/
})  

/*选择月份-start*/
.fixed-select {position: fixed;bottom: 0;left: 0;z-index: 10;height: 350rpx;background-color: #fff;    border-top: 2px solid #e9e9ea;
}.fixed-select .select-head {position: absolute;top: 0;z-index: 111;  display: flex;  justify-content: space-between;width: 100%;line-height: 60rpx;background-color: #eee;
}.fixed-select .select-head .close {padding: 10rpx 20rpx;
}.fixed-select .select-head .sure {color: #ffb81c;
}
.picker-list{line-height: 50px; text-align: center;}
/*选择月份-end*/

自己记录用的 可以作为参考