/* JS代码部分 */ 3 const date = new Date()const years = []const months = []const days = []const hours = []const minutes = []var thisMon = date.getMonth();var thisDay = date.getDate();for (let i = 2017; i <= date.getFullYear() + 1; i++) { years.push(i)}for (let i = date.getMonth(); i <= 11; i++) { var k = i; if (0 <= i && i < 9) { k = "0" + (i + 1); } else { k = (i + 1); } months.push(k)}if (0 <= thisMon && thisMon < 9) { thisMon = "0" + (thisMon + 1);} else { thisMon = (thisMon + 1);}if (0 <= thisDay && thisDay < 10) { thisDay = "0" + thisDay;}var totalDay = mGetDate(date.getFullYear(), thisMon);for (let i = 1; i <= 31; i++) { var k = i; if (0 <= i && i < 10) { k = "0" + i } days.push(k)}for (let i = 0; i <= 23; i++) { var k = i; if (0 <= i && i < 10) { k = "0" + i } hours.push(k)}for (let i = 0; i <= 59; i++) { var k = i; if (0 <= i && i < 10) { k = "0" + i } minutes.push(k)}function mGetDate(year, month) { var d = new Date(year, month, 0); return d.getDate();}Page({ data: { years: years, year: date.getFullYear(), months: months, month: thisMon, days: days, day: thisDay, value: [1, thisMon - 1, thisDay - 1, 0, 0], hours: hours, hour: "00", minutes: minutes, minute: "00", }, bindChange: function (e) { const val = e.detail.value this.setData({ year: this.data.years[val[0]], month: this.data.months[val[1]], day: this.data.days[val[2]], hour: this.data.hours[val[3]], minute: this.data.minutes[val[4]], }) var totalDay = mGetDate(this.data.year, this.data.month); var changeDate = []; for (let i = 1; i <= totalDay; i++) { var k = i; if (0 <= i && i < 10) { k = "0" + i } changeDate.push(k) } this.setData({ days: changeDate }) },})/* css代码部分 */.time-title{ float:left; width:20%; text-align:center; color:#45BCE8;}.picker-text{ text-align:center;}/*mask*/.time_screens { width: 100%; position: fixed; bottom: 0; left: 0; z-index: 1000; opacity: 0.5; overflow: hidden;}/* html代码部分 */ <view class="time_screens"> <view style="text-align:center;color:#45BCE8">{{year}}-{{month}}-{{day}} <label style="float:left;margin-left:30px;">取消</label> <label style="float:right;margin-right:30px;">确定</label> </view> <view style="border-top:1px solid #45BCE8;height:25px;font-size:14px;"> </view> <picker-view indicator-style="height: 50px;" style="width: 100%; height: 300px;" value="{{value}}" bindchange="bindChange"> <picker-view-column class="picker-text"> <view wx:for="{{years}}" style="line-height: 50px">{{item}}年</view> </picker-view-column> <picker-view-column class="picker-text"> <view wx:for="{{months}}" style="line-height: 50px">{{item}}月</view> </picker-view-column> <picker-view-column class="picker-text"> <view wx:for="{{days}}" style="line-height: 50px">{{item}}日</view> </picker-view-column> </picker-view> </view>/* Json */{ "navigationBarTitleText": "XXXX"} 
