对 Java 中使用的日期和时间文章进行解读

Author: honeymoose

.idea/compiler.xml

@@ -1,8 +1,8 @@
-## Java 8+ Date and Time API 
+## Java 8+ Date 和 Time API 
 
-This module contains articles about the Date and Time API introduced with Java 8.
+本模块中包含的内容有关 Java 8 中使用日期和时间的 API。
 
-### Relevant Articles: 
+### 相关文章： 
 - [Introduction to the Java 8 Date/Time API](http://www.baeldung.com/java-8-date-time-intro)
 - [Migrating to the New Java 8 Date Time API](http://www.baeldung.com/migrating-to-java-8-date-time-api)
 - [Get the Current Date and Time in Java](https://www.baeldung.com/current-date-time-and-timestamp-in-java-8)

.idea/encodings.xml

@@ -8,9 +8,9 @@
     <name>core-java-8-datetime</name>
 
     <parent>
-        <groupId>com.baeldung.core-java-modules</groupId>
+        <groupId>com.ossez.core-java-modules</groupId>
         <artifactId>core-java-modules</artifactId>
-        <version>0.0.1-SNAPSHOT</version>
+        <version>0.0.2-SNAPSHOT</version>
     </parent>
 
     <dependencies>

core-java-modules/core-java-8-datetime/README.md

@@ -0,0 +1,14 @@
+package com.baeldung.datetime;
+
+import java.text.ParseException;
+import java.util.Calendar;
+import java.util.Date;
+
+public class CalendarUtils {
+    public static Calendar getPlusDays(Date date, int amount) throws ParseException {
+        Calendar calendar = Calendar.getInstance();
+        calendar.setTime(date);
+        calendar.add(Calendar.DAY_OF_YEAR, amount);
+        return calendar;
+    }
+}

core-java-modules/core-java-8-datetime/pom.xml

@@ -0,0 +1,19 @@
+package com.baeldung.datetime;
+
+import java.text.SimpleDateFormat;
+import java.text.ParseException;
+import java.util.Date;
+public class DateUtils {
+
+    public static Date getNow() {
+        return new Date();
+    }
+
+    public static Date getDate(long millis) {
+        return new Date(millis);
+    }
+
+    public static Date getDate(String dateAsString, String pattern) throws ParseException {
+        return new SimpleDateFormat(pattern).parse(dateAsString);
+    }
+}

core-java-modules/core-java-8-datetime/src/main/java/com/baeldung/datetime/CalendarUtils.java

@@ -0,0 +1,15 @@
+package com.baeldung.datetime;
+
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.TimeZone;
+
+public class UseSimpleDateFormat {
+
+    public String useFormat() {
+        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss Z");
+        sdf.setTimeZone(TimeZone.getTimeZone("Asia/Kolkata"));
+        Date date = new Date(1725437542000L);
+        return sdf.format(date);
+    }
+}

core-java-modules/core-java-8-datetime/src/main/java/com/baeldung/datetime/DateUtils.java

@@ -0,0 +1,21 @@
+package com.baeldung.datetime.sql;
+
+import java.sql.Date;
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+
+public class DateUtils {
+
+    public static Date getNow() {
+        return new Date(System.currentTimeMillis());
+    }
+
+    public static Date getDate(String dateAsString) {
+        return Date.valueOf(dateAsString);
+    }
+
+    public static Date getDate(String dateAsString, String pattern) throws ParseException {
+        java.util.Date customUtilDate = new SimpleDateFormat(pattern).parse(dateAsString);
+        return new Date(customUtilDate.getTime());
+    }
+}

core-java-modules/core-java-8-datetime/src/main/java/com/baeldung/datetime/UseSimpleDateFormat.java

@@ -0,0 +1,21 @@
+package com.baeldung.datetime.sql;
+
+import java.sql.Time;
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+
+public class TimeUtils {
+
+    public static Time getNow() {
+        return new Time(System.currentTimeMillis());
+    }
+
+    public static Time getTime(String timeAsString) {
+        return Time.valueOf(timeAsString);
+    }
+
+    public static Time getTime(String dateAsString, String pattern) throws ParseException {
+        java.util.Date customUtilDate = new SimpleDateFormat(pattern).parse(dateAsString);
+        return new Time(customUtilDate.getTime());
+    }
+}

core-java-modules/core-java-8-datetime/src/main/java/com/baeldung/datetime/sql/DateUtils.java

@@ -0,0 +1,21 @@
+package com.baeldung.datetime.sql;
+
+import java.sql.Timestamp;
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+
+public class TimestampUtils {
+
+    public static Timestamp getNow() {
+        return new Timestamp(System.currentTimeMillis());
+    }
+
+    public static Timestamp getTimestamp(String timestampAsString) {
+        return Timestamp.valueOf(timestampAsString);
+    }
+
+    public static Timestamp getTimestamp(String dateAsString, String pattern) throws ParseException {
+        java.util.Date customUtilDate = new SimpleDateFormat(pattern).parse(dateAsString);
+        return new Timestamp(customUtilDate.getTime());
+    }
+}