1、默认当前时间 2、选择时间弹窗限制最大值、最小值 3、每次弹起更新最大值为当前时间,默认值为上次选中时间 4、== minDate: new Date(2023, 10, 1).getTime(),也可以传入时间字符串new Date('2023-10-1 12:22').getTime() ==   	 < view class = "flex bb ptb-12" > < view> < text class = "red" > * < /text> 处理时间:< /view> < view class = "flex1 size-28"  bindtap = "chooseTime" > < view class = "mr-8" > { { ququ2?ququ2:'请选择' } } < /view> < van-icon name = "arrow"  /> < /view> < /view> < ! -- 弹窗 --> < van-popup show = "{{ isShowPop }}"  bind:close= "onClosePop"  position = "bottom" > < van-datetime-picker title = "处理时间"  formatter = "{{formatter}}"  value = "{{ currentDate  }}"  bind:confirm= "confirmPop"  bind:cancel= "onClosePop"  min-date= "{{minDate}}"  max-date= "{{maxDate}}"  /> < /van-popup> 
  	ququ2:  '' , isShowPop:  false , currentDate:  new  Date ( ) . getTime ( ) , minDate:  new  Date ( 2023 ,  10 ,  1 ) . getTime ( ) ,  maxDate:  new  Date ( ) . getTime ( ) , formatter :  function  ( type,  value )  { if  ( type ===  'year' )  { return  ` ${ value} 年 ` ; }  else  if  ( type ===  'month' )  { return  ` ${ value} 月 ` ; }  else  if  ( type ===  'day' )  { return  ` ${ value} 日 ` ; }  else  if  ( type ===  'hour' )  { return  ` ${ value} 时 ` ; }  else  if  ( type ===  'minute' )  { return  ` ${ value} 分 ` ; } return  value; } , 
chooseTime ( )  { this . setData ( { maxDate:  new  Date ( ) . getTime ( ) , currentDate:  this . data. ququ2 ?  new  Date ( this . data. ququ2) . getTime ( )  :  new  Date ( ) . getTime ( ) , isShowPop:  true } ) } , confirmPop ( e )  { this . setData ( { ququ2:  this . formatTimestamp ( e. detail) , isShowPop:  false } ) } , onClosePop ( )  { this . setData ( { isShowPop:  false } ) } , formatTimestamp ( timestamp )  { var  date =  new  Date ( timestamp) ; var  year =  date. getFullYear ( ) ; var  month =  date. getMonth ( )  +  1 ;  var  day =  date. getDate ( ) ; var  hour =  date. getHours ( ) ; var  minute =  date. getMinutes ( ) ; month =  month <  10  ?  '0'  +  month :  month; day =  day <  10  ?  '0'  +  day :  day; hour =  hour <  10  ?  '0'  +  hour :  hour; minute =  minute <  10  ?  '0'  +  minute :  minute; return  ` ${ year} - ${ month} - ${ day}   ${ hour} : ${ minute} ` ; } ,