时间手动设置时区

long-article-recommend-service/src/main/java/com/tzld/longarticle/recommend/server/util/DateUtils.java

@@ -24,12 +24,14 @@ public final class DateUtils {
 
     public static int getCurrentHour() {
         Calendar calendar = Calendar.getInstance();
+        calendar.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
         return calendar.get(Calendar.HOUR_OF_DAY);
     }
 
     public static String getBeforeDaysDateStr(String format, int d) {
         SimpleDateFormat dateFormat = new SimpleDateFormat(format);
         Calendar calendar = Calendar.getInstance();
+        calendar.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
         calendar.setTime(new Date());
         calendar.add(Calendar.DAY_OF_MONTH, -d);
         Date previousDate = calendar.getTime();
@@ -162,6 +164,7 @@ public final class DateUtils {
             Date date = sdf.parse(dateStr);
 
             Calendar calendar = Calendar.getInstance();
+            calendar.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
             calendar.setTime(date);
             calendar.set(Calendar.HOUR_OF_DAY, 0);
             calendar.set(Calendar.MINUTE, 0);
@@ -200,6 +203,7 @@ public final class DateUtils {
             Date date = sdf.parse(dateStr);
 
             Calendar calendar = Calendar.getInstance();
+            calendar.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
             calendar.setTime(date);
             calendar.set(Calendar.HOUR_OF_DAY, 23);
             calendar.set(Calendar.MINUTE, 59);
@@ -245,6 +249,7 @@ public final class DateUtils {
 
     public static Long getTodayStart() {
         Calendar calendar = Calendar.getInstance();
+        calendar.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
         calendar.set(Calendar.HOUR_OF_DAY, 0);
         calendar.set(Calendar.MINUTE, 0);
         calendar.set(Calendar.SECOND, 0);
@@ -254,6 +259,7 @@ public final class DateUtils {
 
     public static Long getBeforeDayStart(int days) {
         Calendar calendar = Calendar.getInstance();
+        calendar.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
         calendar.set(Calendar.HOUR_OF_DAY, 0);
         calendar.set(Calendar.MINUTE, 0);
         calendar.set(Calendar.SECOND, 0);
@@ -273,7 +279,8 @@ public final class DateUtils {
         // 创建日期时间格式化器
         DateTimeFormatter dateFormat = DateTimeFormatter.ofPattern("yyyyMMdd");
         // 将时间戳转换为 LocalDateTime
-        LocalDateTime dateTime = LocalDateTime.ofInstant(Instant.ofEpochMilli(timestamp), ZoneId.systemDefault());
+        ZoneId zone = ZoneId.of("Asia/Shanghai");
+        LocalDateTime dateTime = LocalDateTime.ofInstant(Instant.ofEpochMilli(timestamp), zone);
         // 格式化日期时间并返回
         return dateTime.format(dateFormat);
     }
@@ -282,7 +289,8 @@ public final class DateUtils {
         // 创建日期时间格式化器
         DateTimeFormatter dateFormat = DateTimeFormatter.ofPattern(pattern);
         // 将时间戳转换为 LocalDateTime
-        LocalDateTime dateTime = LocalDateTime.ofInstant(Instant.ofEpochMilli(timestamp), ZoneId.systemDefault());
+        ZoneId zone = ZoneId.of("Asia/Shanghai");
+        LocalDateTime dateTime = LocalDateTime.ofInstant(Instant.ofEpochMilli(timestamp), zone);
         // 格式化日期时间并返回
         return dateTime.format(dateFormat);
     }
@@ -290,6 +298,7 @@ public final class DateUtils {
     public static Date getDate(String dateString) {
         DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd");
         LocalDate localDate = LocalDate.parse(dateString, formatter);
-        return Date.from(localDate.atStartOfDay(ZoneId.systemDefault()).toInstant());
+        ZoneId zone = ZoneId.of("Asia/Shanghai");
+        return Date.from(localDate.atStartOfDay(zone).toInstant());
     }
 }