夏令时操作

mis-service/main/java/bc/mm/mis/core/utils/UsTimeUtils.java

@@ -1,5 +1,8 @@
 package bc.mm.mis.core.utils;
 
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.Date;
 import java.util.TimeZone;
 
 /**
@@ -26,4 +29,22 @@ public class UsTimeUtils {
         //
         System.out.println("current offset :"+offset);
     }
+
+    /**
+     * 格林威治的时间
+     * @return
+     */
+    public static Date GetGreenDate(){
+        TimeZone gmtTz = TimeZone.getTimeZone("GMT");
+        SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+        df.setTimeZone(gmtTz);
+        String strDate = df.format(new Date());
+        df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+        Date parse = null;
+        try {
+            parse = df.parse(strDate);
+        } catch (ParseException e) {
+        }
+        return parse;
+    }
 }

mis-start/src/test/java/bc/mm/mis/MisApplicationTests.java

@@ -11,9 +11,5 @@ class MisApplicationTests {
     void contextLoads() {
     }
 
-    @Test
-    public void ttest(){
-        UsTimeUtils.getUsDateTime();
-    }
 
 }

mis-start/src/test/java/bc/mm/mis/ott/Fass.java

@@ -0,0 +1,38 @@
+package bc.mm.mis.ott;
+
+import bc.mm.mis.core.utils.UsTimeUtils;
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+import java.time.ZoneId;
+import java.time.ZonedDateTime;
+import java.time.zone.ZoneRules;
+import java.util.Date;
+
+@SpringBootTest
+public class Fass {
+    @Test
+    public void gettt(){
+        Date ss = UsTimeUtils.GetGreenDate();
+        System.out.println(ss);
+    }
+
+    @Test
+    void mmkk(){
+        // 设置时区
+        ZoneId zoneId = ZoneId.of("Europe/Berlin");
+        ZonedDateTime now = ZonedDateTime.now();
+
+        // 获取当前的夏令时规则
+        ZoneRules rules = zoneId.getRules();
+
+        // 检查现在是否是夏令时
+        boolean isDaylightSavingTime = rules.isDaylightSavings(now.toInstant());
+
+        if (isDaylightSavingTime) {
+            System.out.println("当前处于夏令时");
+        } else {
+            System.out.println("当前不是夏令时");
+        }
+    }
+}