getMonthFirstDayYYYYMMDD static method
获取本月第一天
Implementation
static String getMonthFirstDayYYYYMMDD(DateTime dateTime, String space) {
String year = "${DateTime.now().year}";
String month =
"${DateTime.now().month}".length == 1
? "0${DateTime.now().month}"
: "${DateTime.now().month}";
return "$year$space$month${space}01";
}