[英]How to convert Time format to today's time in Date format in java?
我的时间格式值为"00.00.00"
,我想将其转换为日期格式的值,例如"2019-09-02 00.00.00"
。
You can use 您可以使用
DateTimeFormatter format = DateTimeFormatter.ofPattern("HH.mm.ss");
LocalDateTime dt = LocalDateTime.of(LocalDate.now(), LocalTime.parse(yourString, format));
Your result is not default of LocalDateTime so to get your result just use another formatter : 您的结果不是LocalDateTime的默认值,因此要获取结果,请使用另一种格式化程序:
DateTimeFormatter format2 = DateTimeFormatter.ofPattern("uuuu-MM-dd HH.mm.ss");
String result = dt.format(format2);
If the end result you want is a string then you can format the date to a string and append them 如果您想要的最终结果是字符串,则可以将日期格式化为字符串并将其附加
String str = "00.00.00";
LocalDate date = LocalDate.now();
DateTimeFormatter formatter = DateTimeFormatter.ISO_LOCAL_DATE;
String dateTime = date.format(formatter) + " " + str;
or in a more compact format 或更紧凑的格式
DateTimeFormatter formatter = DateTimeFormatter.ISO_LOCAL_DATE;
String dateTime = String.format("%s %s", LocalDate.now().format(formatter), str);
If on the other hand the time is always "00.00.00" you can include it in your formatter pattern 另一方面,如果时间始终为“ 00.00.00”,则可以将其包含在格式化程序模式中
DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd 00.00.00");
LocalDate date = LocalDate.now();
String dateTime = date.format(formatter)
LocalDateTime ldt = LocalDateTime.now();
DateTimeFormatter dtf = DateTimeFormatter.ofPattern("yyyy-MM-dd hh.mm.ss");
String newDateTimeFormatter = ldt.format(dtf);
if you try this. 如果你尝试这个。
DateTimeFormatter dtf = DateTimeFormatter.ofPattern("yyyy-MM-dd '00.00.00'");
String newDateTimeFormatter = ldt.format(dtf);
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