大屏项目初始化

src/main/java/com/mini/mybigscreen/utils/DateUtils.java

@@ -0,0 +1,39 @@
+package com.mini.mybigscreen.utils;
+
+import java.time.LocalDate;
+import java.time.format.DateTimeFormatter;
+
+public class DateUtils {
+
+    private static final DateTimeFormatter DATE_FORMATTER = DateTimeFormatter.ofPattern("yyyyMMdd");
+    private static final DateTimeFormatter YEAR_FORMATTER = DateTimeFormatter.ofPattern("yyyy");
+    private static final DateTimeFormatter MONTH_FORMATTER = DateTimeFormatter.ofPattern("MM");
+
+    public static String dsValue() {
+        LocalDate currentDate = LocalDate.now();
+        return currentDate.format(DATE_FORMATTER);
+    }
+
+    public static String dsValueDaysAgo(long days) {
+        LocalDate targetDate = LocalDate.now().minusDays(days);
+        return targetDate.format(DATE_FORMATTER);
+    }
+
+    public static String getCurrentYear() {
+        LocalDate currentDate = LocalDate.now();
+        return currentDate.format(YEAR_FORMATTER);
+    }
+
+    public static String getCurrentMonth() {
+        LocalDate currentDate = LocalDate.now();
+        return currentDate.format(MONTH_FORMATTER);
+    }
+
+    public static String getYear(LocalDate date) {
+        return date.format(YEAR_FORMATTER);
+    }
+
+    public static String getMonth(LocalDate date) {
+        return date.format(MONTH_FORMATTER);
+    }
+}