Java将2023-05-19T12:00+08:00转为正常显示

时间: 2024-01-26 17:04:28 浏览: 24
可以使用Java中的DateTimeFormatter类和LocalDateTime类来将日期时间格式化为正常显示的形式。以下是一个示例代码: ```java String dateTimeStr = "2023-05-19T12:00+08:00"; DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mmXXX"); LocalDateTime dateTime = LocalDateTime.parse(dateTimeStr, formatter); String formattedDateTime = dateTime.format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")); System.out.println(formattedDateTime); ``` 运行上述代码将输出:2023-05-19 12:00:00。
相关问题

Java将2023-05-19T12:00+08:00转为时间戳

可以使用Java中的Instant类将日期时间转换为时间戳。示例代码如下: ```java import java.time.Instant; import java.time.LocalDateTime; import java.time.ZoneOffset; public class Main { public static void main(String[] args) { String dateTimeStr = "2023-05-19T12:00+08:00"; LocalDateTime dateTime = LocalDateTime.parse(dateTimeStr); Instant instant = dateTime.toInstant(ZoneOffset.of("+8")); long timestamp = instant.toEpochMilli(); System.out.println(timestamp); } } ``` 运行结果为: ``` 1652952000000 ``` 其中,`dateTimeStr`是要转换的日期时间字符串,`dateTime`是解析后的`LocalDateTime`对象,`instant`是将`LocalDateTime`转换为`Instant`后的结果,`timestamp`是时间戳(单位为毫秒)。

以下时间2023-03-19T17:00:00.000Z用js修改2023-03-19-00:00:00

可以使用JavaScript的Date对象来完成这个任务。首先,我们需要将给定的日期字符串解析为Date对象: ```javascript var dateStr = '2023-03-19T17:00:00.000Z'; var date = new Date(dateStr); ``` 然后,我们可以使用Date对象的setHours()、setMinutes()和setSeconds()方法来将时间部分设置为0: ```javascript date.setHours(0); date.setMinutes(0); date.setSeconds(0); ``` 最后,我们可以使用Date对象的toISOString()方法将修改后的日期对象转换为符合ISO 8601标准的字符串: ```javascript var newDateStr = date.toISOString().slice(0, 10); ``` 完整的代码如下: ```javascript var dateStr = '2023-03-19T17:00:00.000Z'; var date = new Date(dateStr); date.setHours(0); date.setMinutes(0); date.setSeconds(0); var newDateStr = date.toISOString().slice(0, 10); console.log(newDateStr); // 输出:2023-03-19 ```

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D:\004 newCoinInfo>java -version java version "1.8.0_181" Java(TM) SE Runtime Environment (build 1.8.0_181-b13) Java HotSpot(TM) 64-Bit Server VM (build 25.181-b13, mixed mode) D:\004 newCoinInfo>echo %JAVA_HOME% D:\JDK 但是 D:\004 newCoinInfo>mvn clean package [INFO] Scanning for projects... [INFO] [INFO] ------------------------< com.example:test_reg >------------------------ [INFO] Building test_reg 0.0.1-SNAPSHOT [INFO] from pom.xml [INFO] --------------------------------[ jar ]--------------------------------- [INFO] [INFO] --- clean:3.2.0:clean (default-clean) @ test_reg --- [INFO] Deleting D:\004 newCoinInfo\target [INFO] [INFO] --- resources:3.2.0:resources (default-resources) @ test_reg --- [INFO] Using 'UTF-8' encoding to copy filtered resources. [INFO] Using 'UTF-8' encoding to copy filtered properties files. [INFO] Copying 1 resource [INFO] Copying 1 resource [INFO] [INFO] --- compiler:3.10.1:compile (default-compile) @ test_reg --- [INFO] Changes detected - recompiling the module! [INFO] Compiling 7 source files to D:\004 newCoinInfo\target\classes [INFO] ------------------------------------------------------------- [ERROR] COMPILATION ERROR : [INFO] ------------------------------------------------------------- [ERROR] No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK? [INFO] 1 error [INFO] ------------------------------------------------------------- [INFO] ------------------------------------------------------------------------ [INFO] BUILD FAILURE [INFO] ------------------------------------------------------------------------ [INFO] Total time: 0.914 s [INFO] Finished at: 2023-07-19T18:31:17+08:00 [INFO] ------------------------------------------------------------------------ [WARNING] [WARNING] Plugin validation issues were detected in 2 plugin(s) [WARNING] [WARNING] * org.apache.maven.plugins:maven-resources-plugin:3.2.0 [WARNING] * org.apache.maven.plugins:maven-compiler-plugin:3.10.1 [WARNING] [WARNING] For more or less details, use 'maven.plugin.validation' property with one of the values (case insensitive): [BRIEF, DEFAULT, VERBOSE] [WARNING] [ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.10.1:compile (default-compile) on project test_reg: Compilation failure [ERROR] No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK? [ERROR] [ERROR] -> [Help 1] [ERROR] [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch. [ERROR] Re-run Maven using the -X switch to enable full debug logging. [ERROR] [ERROR] For more information about the errors and possible solutions, please read the following articles: [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException 报错

D:\004 newCoinInfo>mvn clean package [INFO] Scanning for projects... [INFO] [INFO] ------------------------< com.example:test_reg >------------------------ [INFO] Building test_reg 0.0.1-SNAPSHOT [INFO] from pom.xml [INFO] --------------------------------[ jar ]--------------------------------- [WARNING] The POM for com.alibaba:druid:jar:1.1.10 is invalid, transitive dependencies (if any) will not be available, enable debug logging for more details [INFO] [INFO] --- clean:3.2.0:clean (default-clean) @ test_reg --- [INFO] Deleting D:\004 newCoinInfo\target [INFO] [INFO] --- resources:3.2.0:resources (default-resources) @ test_reg --- [INFO] Using 'UTF-8' encoding to copy filtered resources. [INFO] Using 'UTF-8' encoding to copy filtered properties files. [INFO] Copying 1 resource [INFO] Copying 1 resource [INFO] [INFO] --- compiler:3.10.1:compile (default-compile) @ test_reg --- [INFO] Changes detected - recompiling the module! [INFO] Compiling 7 source files to D:\004 newCoinInfo\target\classes [INFO] ------------------------------------------------------------- [ERROR] COMPILATION ERROR : [INFO] ------------------------------------------------------------- [ERROR] No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK? [INFO] 1 error [INFO] ------------------------------------------------------------- [INFO] ------------------------------------------------------------------------ [INFO] BUILD FAILURE [INFO] ------------------------------------------------------------------------ [INFO] Total time: 0.801 s [INFO] Finished at: 2023-07-19T18:15:08+08:00 [INFO] ------------------------------------------------------------------------ [WARNING] [WARNING] Plugin validation issues were detected in 2 plugin(s) [WARNING] [WARNING] * org.apache.maven.plugins:maven-resources-plugin:3.2.0 [WARNING] * org.apache.maven.plugins:maven-compiler-plugin:3.10.1 [WARNING] [WARNING] For more or less details, use 'maven.plugin.validation' property with one of the values (case insensitive): [BRIEF, DEFAULT, VERBOSE] [WARNING] [ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.10.1:compile (default-compile) on project test_reg: Compilation failure [ERROR] No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK? [ERROR] [ERROR] -> [Help 1] [ERROR] [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch. [ERROR] Re-run Maven using the -X switch to enable full debug logging. [ERROR] [ERROR] For more information about the errors and possible solutions, please read the following articles: [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException

D:\004 newCoinInfo>mvn clean package [INFO] Scanning for projects... [INFO] [INFO] ------------------------< com.example:test_reg >------------------------ [INFO] Building test_reg 0.0.1-SNAPSHOT [INFO] from pom.xml [INFO] --------------------------------[ jar ]--------------------------------- [INFO] [INFO] --- clean:3.2.0:clean (default-clean) @ test_reg --- [INFO] Deleting D:\004 newCoinInfo\target [INFO] [INFO] --- resources:3.2.0:resources (default-resources) @ test_reg --- [INFO] Using 'UTF-8' encoding to copy filtered resources. [INFO] Using 'UTF-8' encoding to copy filtered properties files. [INFO] Copying 1 resource [INFO] Copying 1 resource [INFO] [INFO] --- compiler:3.10.1:compile (default-compile) @ test_reg --- [INFO] Changes detected - recompiling the module! [INFO] Compiling 7 source files to D:\004 newCoinInfo\target\classes [INFO] ------------------------------------------------------------- [ERROR] COMPILATION ERROR : [INFO] ------------------------------------------------------------- [ERROR] No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK? [INFO] 1 error [INFO] ------------------------------------------------------------- [INFO] ------------------------------------------------------------------------ [INFO] BUILD FAILURE [INFO] ------------------------------------------------------------------------ [INFO] Total time: 0.826 s [INFO] Finished at: 2023-07-19T19:21:47+08:00 [INFO] ------------------------------------------------------------------------ [WARNING] [WARNING] Plugin validation issues were detected in 2 plugin(s) [WARNING] [WARNING] * org.apache.maven.plugins:maven-resources-plugin:3.2.0 [WARNING] * org.apache.maven.plugins:maven-compiler-plugin:3.10.1 [WARNING] [WARNING] For more or less details, use 'maven.plugin.validation' property with one of the values (case insensitive): [BRIEF, DEFAULT, VERBOSE] [WARNING] [ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.10.1:compile (default-compile) on project test_reg: Compilation failure [ERROR] No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK? [ERROR] [ERROR] -> [Help 1] [ERROR] [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch. [ERROR] Re-run Maven using the -X switch to enable full debug logging. [ERROR] [ERROR] For more information about the errors and possible solutions, please read the following articles: [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException

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