String与Date类型相互转换

string与Date类型相互转换

//String 转 Date
String date = "2000-02-02";
SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd");
Date parse = simpleDateFormat.parse(date);  //Wed Feb 02 00:00:00 CST 2000

//Date 转 String
String format = simpleDateFormat.format(parse);  //2000-02-02

String与LocalDate类型转换

//String 转 LocalDate
DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd");
LocalDate localDate = LocalDate.parse(date, formatter); //2000-02-02

//LocalDate 转 String
String format1 = localDate.format(formatter); //2000-02-02

获取现在时间

String nowDate = simpleDateFormat.format(new Date()); //2022-04-02

LocalDate now = LocalDate.now(); //2022-04-02