first commit

src/main/java/com/example/sso/util/TimeUtils.java

@@ -0,0 +1,50 @@
+package com.example.sso.util;
+
+import java.util.Calendar;
+
+public class TimeUtils {
+    public static Long tim(long currentTimestamp){
+
+
+        // 创建 Calendar 对象，并设置为当前时间
+        Calendar calendar = Calendar.getInstance();
+        calendar.setTimeInMillis(currentTimestamp);
+
+        // 将时间往前推 24 小时
+        calendar.add(Calendar.HOUR_OF_DAY, -24);
+
+        // 获取前24小时的时间戳
+        long previous24HoursTimestamp = calendar.getTimeInMillis();
+        return previous24HoursTimestamp;
+    }
+
+    public static Long tim4(long currentTimestamp){
+
+
+        // 创建 Calendar 对象，并设置为当前时间
+        Calendar calendar = Calendar.getInstance();
+        calendar.setTimeInMillis(currentTimestamp);
+
+        // 将时间往前推 24 小时
+        calendar.add(Calendar.HOUR_OF_DAY, -48);
+
+        // 获取前24小时的时间戳
+        long previous24HoursTimestamp = calendar.getTimeInMillis();
+        return previous24HoursTimestamp;
+    }
+
+    public static Long tim2(long currentTimestamp){
+
+
+        // 创建 Calendar 对象，并设置为当前时间
+        Calendar calendar = Calendar.getInstance();
+        calendar.setTimeInMillis(currentTimestamp);
+
+        // 将时间往前推 24 小时
+        calendar.add(Calendar.HOUR_OF_DAY, -120);
+
+        // 获取前24小时的时间戳
+        long previous24HoursTimestamp = calendar.getTimeInMillis();
+        return previous24HoursTimestamp;
+    }
+}