我有来自服务器的响应:[["2014","01","01"],["2015","01","01"],["2016","01","01"]]我想将它们转换为列表。这是我创建的:finalresponse=await_dio.get("api/v1/calendar/holidays");Listlist=response.data;ListcalendarList=List();vardateList=list.map((i)=>((a)=>calendarList.add(a.toString()))).toList();returncalendarList;但这会返回字符串列表。有什
我有来自服务器的响应:[["2014","01","01"],["2015","01","01"],["2016","01","01"]]我想将它们转换为列表。这是我创建的:finalresponse=await_dio.get("api/v1/calendar/holidays");Listlist=response.data;ListcalendarList=List();vardateList=list.map((i)=>((a)=>calendarList.add(a.toString()))).toList();returncalendarList;但这会返回字符串列表。有什
升级FlutterSDK和包My-Mac:~admin$flutterupgradeUpgradingFlutterfrom/Users/admin/Desktop/SDK/flutter...error:Yourlocalchangestothefollowingfileswouldbeoverwrittenbymerge:packages/flutter/lib/src/services/message_codecs.dartPleasecommityourchangesorstashthembeforeyoumerge.AbortingUpdating2eeeXXXe9..7XX
升级FlutterSDK和包My-Mac:~admin$flutterupgradeUpgradingFlutterfrom/Users/admin/Desktop/SDK/flutter...error:Yourlocalchangestothefollowingfileswouldbeoverwrittenbymerge:packages/flutter/lib/src/services/message_codecs.dartPleasecommityourchangesorstashthembeforeyoumerge.AbortingUpdating2eeeXXXe9..7XX
我正在尝试获取特定周数的日期范围。以下是我的代码,用于获取当前日期的周数finaldate=DateTime.now();finalstartOfYear=newDateTime(date.year,1,1,0,0);finalfirstMonday=startOfYear.weekday;finaldaysInFirstWeek=8-firstMonday;finaldiff=date.difference(startOfYear);varweeks=((diff.inDays-daysInFirstWeek)/7).ceil();if(daysInFirstWeek>3){week
我正在尝试获取特定周数的日期范围。以下是我的代码,用于获取当前日期的周数finaldate=DateTime.now();finalstartOfYear=newDateTime(date.year,1,1,0,0);finalfirstMonday=startOfYear.weekday;finaldaysInFirstWeek=8-firstMonday;finaldiff=date.difference(startOfYear);varweeks=((diff.inDays-daysInFirstWeek)/7).ceil();if(daysInFirstWeek>3){week
我正在尝试从firebase创建一个map作为Map。我试过了Future>getlist()async{QuerySnapshotquerySnapshot=awaitFirestore.instance.collection("${_username.toLowerCase()}-orders").getDocuments();varlist=newList.generate(querySnapshot.documents.length,(intindex)=>querySnapshot.documents[index]['date']);vardatelist=list.toSe
我正在尝试从firebase创建一个map作为Map。我试过了Future>getlist()async{QuerySnapshotquerySnapshot=awaitFirestore.instance.collection("${_username.toLowerCase()}-orders").getDocuments();varlist=newList.generate(querySnapshot.documents.length,(intindex)=>querySnapshot.documents[index]['date']);vardatelist=list.toSe
我想在上午9:00到晚上20:00之间显示小部件,其他时间显示另一个小部件例如现在13:00myshopopen我想显示开我的店。谢谢openSaat(){returnContainer(width:170,height:40,decoration:BoxDecoration(color:Colors.black),child:Row(mainAxisAlignment:MainAxisAlignment.center,children:[CircleAvatar(backgroundColor:Colors.green,radius:12,),SizedBox(width:5,),T
我想在上午9:00到晚上20:00之间显示小部件,其他时间显示另一个小部件例如现在13:00myshopopen我想显示开我的店。谢谢openSaat(){returnContainer(width:170,height:40,decoration:BoxDecoration(color:Colors.black),child:Row(mainAxisAlignment:MainAxisAlignment.center,children:[CircleAvatar(backgroundColor:Colors.green,radius:12,),SizedBox(width:5,),T