【新增】封装时间工具

src/main/java/com/corewing/app/util/DateUtils.java

@@ -0,0 +1,14 @@
+package com.corewing.app.util;
+
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+
+public class DateUtils {
+
+    // 格式化LocalDateTime为字符串
+    public static String format(LocalDateTime time, String pattern) {
+        DateTimeFormatter formatter = DateTimeFormatter.ofPattern(pattern);
+        return time.format(formatter);
+    }
+
+}