java8 LocalDate 根据时间获取星期几

亦凉 2022-01-31 17:21 1310阅读 0赞 
  1. 获取当前星期几
  3. String[][] strArray = {
  4.    {"MONDAY", "一"}, {"TUESDAY", "二"}, {"WEDNESDAY", "三"}, {"THURSDAY", "四"}, {"FRIDAY", "五"}, {"SATURDAY", "六"}, {"SUNDAY", "日"}};
  5. LocalDate currentDate = LocalDate.now();
  6. String k = String.valueOf(currentDate.getDayOfWeek());
  7. //获取行数
  8. for (int i = 0; i < strArray.length; i++) {
  9.     if (k.equals(strArray[i][0])) {
  10.         k = strArray[i][1];
  11.        break;
  12.      }
  13. }
  14. System.out.println("星期" + k);
  16. 此种得出的是  k为 “一”到“七”；

要得到别的类型修改 strArray 中的 “一”即可

例如 ：

  1. String[][] strArray = {
  2.    {"MONDAY", "1"}, {"TUESDAY", "2"}, {"WEDNESDAY", "3"}, {"THURSDAY", "4"}, {"FRIDAY", "5"}, {"SATURDAY ", "6"}, {"SUNDAY", "7"}};

顺便 

  1. LocalDateTime转LocalDate
  3. LocalDateTime now = LocalDateTime.now();
  4. now.toLocalDate();

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