DateTimeFormatter fmt = DateTimeFormatter.ofPattern("yyyy-MM-dd");
LocalDate today = LocalDate.now();
String dateStr = today.format(fmt);
System.out.println("LocalDate转String"+dateStr);
String str = "2019-08-03";
LocalDate date = LocalDate.parse(str, fmt);
System.out.println("String转LocalDate"+date);
LocalDate转String2019-08-15
String转LocalDate2019-08-03