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删除pr被退回的日期工具类

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duandazhi 2021-03-19 10:01:11 +08:00
parent e9cdc55cb9
commit cbb85fd0b3
2 changed files with 0 additions and 214 deletions
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100
hutool-core/src/main/java/cn/hutool/core/date/DateUtils8Transform.java
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package cn.hutool.core.date;
import java.time.*;
import java.util.Date;
/**
* LocalDate和Date的互换
* <p>
* java.sql.Date、java.sql.Timestamp、java.util.Date这些类都不好用，很多方法都过时了。
* Java8里面新出来了一些API，LocalDate、LocalTime、LocalDateTime 非常好用
* 如果想要在JDBC中，使用Java8的日期LocalDate、LocalDateTime，则必须要求数据库驱动的版本不能低于4.2
*
* @author dazer
* @date 2018/2/8 下午2:31
* @see DateUtil
*/
public class DateUtils8Transform {
private DateUtils8Transform() {
}
/**
* 01. java.util.Date --> java.time.LocalDateTime
*/
public static LocalDateTime date2Java8DateTime(Date date) {
Instant instant = date.toInstant();
ZoneId zone = ZoneId.systemDefault();
return LocalDateTime.ofInstant(instant, zone);
}
/**
* 02. java.util.Date --> java.time.LocalDate
*/
public static LocalDate date2Java8Date(Date date) {
Instant instant = date.toInstant();
ZoneId zone = ZoneId.systemDefault();
LocalDateTime localDateTime = LocalDateTime.ofInstant(instant, zone);
return localDateTime.toLocalDate();
}
/**
* 03. java.util.Date --> java.time.LocalTime
*/
public static LocalTime date2Java8Time(Date date) {
Instant instant = date.toInstant();
ZoneId zone = ZoneId.systemDefault();
LocalDateTime localDateTime = LocalDateTime.ofInstant(instant, zone);
return localDateTime.toLocalTime();
}
/**
* 04. java.time.LocalDateTime --> java.util.Date
*/
public static Date java8Date2Date(LocalDateTime localDateTime) {
Instant instant = localDateTime.atZone(ZoneId.systemDefault()).toInstant();
return Date.from(instant);
}
/**
* 05. java.time.LocalDate --> java.util.Date
*/
public static Date java8Date2Date(LocalDate localDate) {
ZoneId zone = ZoneId.systemDefault();
Instant instant = localDate.atStartOfDay().atZone(zone).toInstant();
return Date.from(instant);
}
/**
* 06. java.time.LocalTime --> java.util.Date
*/
public static Date java8Date2Date(LocalTime localTime) {
LocalDate localDate = LocalDate.now();
LocalDateTime localDateTime = LocalDateTime.of(localDate, localTime);
ZoneId zone = ZoneId.systemDefault();
Instant instant = localDateTime.atZone(zone).toInstant();
return Date.from(instant);
}
/**
* 07. java.sql.Date与java.util.Date的转化
*
* @param sqlDate
* @return
*/
public static Date sqlDate2Date(java.sql.Date sqlDate) {
return new Date(sqlDate.getTime());
}
/**
* 08. java.util.Date与java.sql.Date的转化
*
* @param date
* @return
*/
public static java.sql.Date date2SqlDate(Date date) {
return new java.sql.Date(new Date().getTime());
}
}

114
hutool-core/src/test/java/cn/hutool/core/date/DateUtils8TransformTest.java
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package cn.hutool.core.date;
import org.junit.Assert;
import org.junit.Test;
import java.time.*;
import java.time.format.DateTimeFormatter;
import java.util.Date;
import static cn.hutool.core.date.DatePattern.*;
/**
* DateUtils8Transform LocalDate和Date的互换 测试用例
*
* @author dazer
* @date 2021/3/16 22:23
*/
public class DateUtils8TransformTest {
/**
* 01. java.util.Date --> java.time.LocalDateTime
*/
@Test
public void date2Java8DateTimeTest() {
String str = "2021-03-16 23:59:59";
DateTime nowDateTime = DateTime.of(str, NORM_DATETIME_PATTERN);
LocalDateTime now = DateUtils8Transform.date2Java8DateTime(nowDateTime);
Assert.assertEquals(LocalDateTimeUtil.format(now, DatePattern.NORM_DATETIME_FORMATTER), str);
}
/**
* 02. java.util.Date --> java.time.LocalDate
*/
@Test
public void date2Java8DateTest() {
String str = "2021-03-16";
DateTime nowDateTime = DateTime.of(str, NORM_DATE_PATTERN);
LocalDate now = DateUtils8Transform.date2Java8Date(nowDateTime);
Assert.assertEquals(LocalDateTimeUtil.format(now, DatePattern.NORM_DATE_PATTERN), str);
}
/**
* 03. java.util.Date --> java.time.LocalTime
*/
@Test
public void date2Java8TimeTest() {
String str = "23:59:59";
DateTime nowDateTime = DateTime.of(str, NORM_TIME_PATTERN);
LocalTime now = DateUtils8Transform.date2Java8Time(nowDateTime);
now.format(DateTimeFormatter.ofPattern(NORM_TIME_PATTERN));
Assert.assertEquals(now.format(DateTimeFormatter.ofPattern(NORM_TIME_PATTERN)), str);
}
/**
* 04. java.time.LocalDateTime --> java.util.Date
*/
@Test
public void java8Date2DateTest1() {
String str = "2021-03-16 23:59:59";
LocalDateTime now = LocalDateTimeUtil.parse(str, NORM_DATETIME_FORMATTER);
Date nowDate = DateUtils8Transform.java8Date2Date(now);
String temp1 = DateUtil.format(nowDate, NORM_DATE_FORMAT);
Assert.assertEquals(LocalDateTimeUtil.of(nowDate), now);
}
/**
* 05. java.time.LocalDate --> java.util.Date
*/
@Test
public void java8Date2DateTest2() {
String str = "2021-03-16";
LocalDate now = LocalDateTimeUtil.parseDate(str);
Date nowDate = DateUtils8Transform.java8Date2Date(now);
String temp1 = DateUtil.format(nowDate, NORM_DATE_FORMAT);
Assert.assertEquals(temp1, str);
}
/**
* 06. java.time.LocalTime --> java.util.Date
*/
@Test
public void java8Date2DateTest() {
String str = "23:59:59";
LocalTime now = LocalDateTimeUtil.parse(str, DateTimeFormatter.ofPattern(NORM_TIME_PATTERN)).toLocalTime();
Date nowDate = DateUtils8Transform.java8Date2Date(now);
String temp1 = DateUtil.format(nowDate, NORM_TIME_PATTERN);
Assert.assertEquals(temp1, str);
}
/**
* java.sql.Date与java.util.Date的转化
*
* @return
*/
@Test
public void sqlDate2DateTest() {
String str = "2021-03-16";
LocalDate now = LocalDateTimeUtil.parseDate(str);
Date date = DateUtils8Transform.sqlDate2Date(java.sql.Date.valueOf(now));
Assert.assertEquals(new DateTime(date).toDateStr(), str);
}
/**
* 08. java.util.Date与java.sql.Date的转化
*/
@Test
public void date2SqlDateTest() {
String str = "2021-03-16";
java.sql.Date date = DateUtils8Transform.date2SqlDate(DateTime.of(str, NORM_DATE_PATTERN));
Assert.assertEquals(new DateTime(date).toDateStr(), str);
}
}