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更新 UTC 时间 转成 GMT+8 东八区时间

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caixiang
2024-01-22 14:57:26 +08:00
parent ed054a2bf2
commit 60a46c3248
5 changed files with 64 additions and 39 deletions
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38
ym-common/src/main/java/com/cnbm/common/spc/util/DataUtils.java
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@@ -1,6 +1,11 @@
package com.cnbm.common.spc.util;
import java.text.SimpleDateFormat;
import java.time.Instant;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.ZoneOffset;
import java.time.format.DateTimeFormatter;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
@@ -13,14 +18,18 @@ import java.util.List;
*/
public class DataUtils {
public static void main(String[] args) {
ArrayList<Integer> arrs = new ArrayList<>();
for(int i=0;i<100;i++){
arrs.add(i);
}
List<List<Integer>> lists = fixedGroup(arrs, 10);
System.out.println();
// ArrayList<Integer> arrs = new ArrayList<>();
//
// for(int i=0;i<100;i++){
// arrs.add(i);
// }
// List<List<Integer>> lists = fixedGroup(arrs, 10);
// System.out.println();
LocalDateTime now = LocalDateTime.now();
Instant instant1 = now.atZone(ZoneId.systemDefault()).toInstant();
Instant instant2 = now.toInstant(ZoneOffset.UTC);
Instant instant3 = StringToInstant("2024-01-22 12:00:00");
System.out.println(instant1+" - "+instant2+" - "+instant3);
}
@@ -46,7 +55,20 @@ public class DataUtils {
return result;
}
public static final Instant StringToInstant(String string) {
DateTimeFormatter dateTimeFormatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
LocalDateTime parse = LocalDateTime.parse(string, dateTimeFormatter);
//return parse.toInstant(ZoneOffset.UTC);
return parse.atZone(ZoneId.systemDefault()).toInstant();
}
public static final Instant StringToInstantPlus8(String string) {
DateTimeFormatter dateTimeFormatter = DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'");
//LocalDateTime parse = LocalDateTime.parse(string, dateTimeFormatter).plusHours(8);
LocalDateTime parse = LocalDateTime.parse(string, dateTimeFormatter).minusHours(8);
return parse.toInstant(ZoneOffset.UTC);
}
public static String splitToNeed(String s,Integer type){
String[] s1 = s.split(" ");
String[] split = s1[0].split("-");