oracle timestamp,java localdatetime 转换
时间: 2024-06-10 22:01:26 浏览: 15
在Oracle和Java之间进行Timestamp和LocalDateTime的转换可以使用以下方法:
1. Oracle Timestamp转换为Java LocalDateTime:
```java
import java.sql.Timestamp;
import java.time.LocalDateTime;
Timestamp timestamp = resultSet.getTimestamp("timestamp_column");
LocalDateTime localDateTime = timestamp.toLocalDateTime();
```
2. Java LocalDateTime转换为Oracle Timestamp:
```java
import java.sql.Timestamp;
import java.time.LocalDateTime;
LocalDateTime localDateTime = LocalDateTime.now();
Timestamp timestamp = Timestamp.valueOf(localDateTime);
```
这样就可以在Oracle和Java之间进行Timestamp和LocalDateTime的转换了。
相关问题
Timestamp转 LocalDateTime
在Java中,可以使用`Timestamp`类和`LocalDateTime`类相互转换。下面是一个示例代码:
```java
import java.sql.Timestamp;
import java.time.LocalDateTime;
public class TimestampToLocalDateTimeExample {
public static void main(String[] args) {
// 将Timestamp转换为LocalDateTime
Timestamp timestamp = new Timestamp(System.currentTimeMillis());
LocalDateTime localDateTime = timestamp.toLocalDateTime();
System.out.println("Timestamp: " + timestamp);
System.out.println("LocalDateTime: " + localDateTime);
// 将LocalDateTime转换为Timestamp
LocalDateTime localDateTime2 = LocalDateTime.now();
Timestamp timestamp2 = Timestamp.valueOf(localDateTime2);
System.out.println("LocalDateTime: " + localDateTime2);
System.out.println("Timestamp: " + timestamp2);
}
}
```
输出结果:
```
Timestamp: 2021-01-01 12:34:56.789
LocalDateTime: 2021-01-01T12:34:56.789
LocalDateTime: 2021-01-01T12:34:56.789
Timestamp: 2021-01-01 12:34:56.789
```
java LocalDateTime类型转换为时间戳
可以使用`atZone()`方法将`LocalDateTime`转换为`ZonedDateTime`,然后使用`toEpochSecond()`方法将其转换为时间戳(秒)。
```java
LocalDateTime localDateTime = LocalDateTime.now();
ZonedDateTime zonedDateTime = localDateTime.atZone(ZoneId.systemDefault());
long timestamp = zonedDateTime.toEpochSecond();
System.out.println("Timestamp: " + timestamp);
```
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