localdatetime.parse

import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;

public class Main {
    public static void main(String[] args) {
        // 默认格式解析
        String dateTimeStr = "2023-04-30T12:30:45";
        LocalDateTime dateTime = LocalDateTime.parse(dateTimeStr);
        System.out.println("Parsed DateTime: " + dateTime);

        // 自定义格式解析
        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy/MM/dd HH:mm:ss");
        String customDateTimeStr = "2023/04/30 12:30:45";
        LocalDateTime customDateTime = LocalDateTime.parse(customDateTimeStr, formatter);
        System.out.println("Custom Parsed DateTime: " + customDateTime);
    }
}

try {
    String invalidStr = "2023-13-30T12:30:45"; // 错误的月份
    LocalDateTime invalidDateTime = LocalDateTime.parse(invalidStr);
} catch (DateTimeParseException e) {
    System.err.println("Parsing failed: " + e.getMessage());
}

import java.time.ZonedDateTime;
import java.time.ZoneId;

String zonedStr = "2023-04-30T12:30:45+08:00";
ZonedDateTime zonedDateTime = ZonedDateTime.parse(zonedStr);
System.out.println("Zoned DateTime: " + zonedDateTime);

// 或者
LocalDateTime localDateTime = LocalDateTime.parse("2023-04-30T12:30:45");
ZonedDateTime zonedFromLocal = localDateTime.atZone(ZoneId.of("Asia/Shanghai"));
System.out.println("Zoned from Local: " + zonedFromLocal);