优化FieldCompareUtil字段对比工具类：

泛型处理：使用 Number 类型来处理所有的数值类型（如 Integer, Long, Double, BigDecimal）。
枚举类型处理：增加对 Enum 类型的支持。
日期类型处理：增加对 Date 类型的支持，并格式化日期。
统一处理逻辑：通过 areEqual 和 formatValue 方法来减少冗余的条件判断。
异常处理：增加了对 PropertyDescriptor 和 Method 获取过程中可能出现的异常的处理。

ruoyi-common/src/main/java/com/ruoyi/common/utils/FieldCompareUtil.java

@@ -9,6 +9,7 @@ import java.beans.PropertyDescriptor;
 import java.lang.reflect.Field;
 import java.lang.reflect.Method;
 import java.math.BigDecimal;
+import java.text.SimpleDateFormat;
 import java.util.*;
 
 /**
@@ -19,58 +20,84 @@ import java.util.*;
  * */
 public class FieldCompareUtil {
 
+    /**
+     * 比较两个对象的变化并记录。
+     *
+     * @param type      对象的类型
+     * @param newObject 新对象
+     * @param oldObject 旧对象
+     * @return 变更记录列表
+     * @throws Exception 如果发生异常
+     */
     public static <T> List<SysFieldDifferent> compare(Class<T> type, T newObject, T oldObject) throws Exception {
         // 变更的记录列表
         List<SysFieldDifferent> changeLogFields = new ArrayList<>();
 
-        Class<?> newObj = newObject.getClass();
+        Field[] fields = type.getDeclaredFields();
-        Field[] newFields = type.getDeclaredFields();
+        for (Field field : fields) {
-        for (int i = 0; i < newFields.length; i++) {
+            FieldCompare annotation = field.getAnnotation(FieldCompare.class);
-            FieldCompare newAnnotation = newFields[i].getAnnotation(FieldCompare.class);
+            if (annotation != null) {
-            if (null != newAnnotation) {
+                PropertyDescriptor pd = new PropertyDescriptor(field.getName(), newObject.getClass());
-                PropertyDescriptor newPd = new PropertyDescriptor(newFields[i].getName(), newObj);
+                Method getMethod = pd.getReadMethod();
-                Method getMethodNew = newPd.getReadMethod();
+                Object oldVal = getMethod.invoke(oldObject);
-                Object oldVal = getMethodNew.invoke(oldObject);
+                Object newVal = getMethod.invoke(newObject);
-                Object newVal = getMethodNew.invoke(newObject);
+                if (!areEqual(oldVal, newVal)) {
-                boolean eq = false;
+                    String s1 = formatValue(oldVal);
+                    String s2 = formatValue(newVal);
+                    String chineseName = annotation.chineseName();
+                    Map<String, String> codeToNameMap = codeToNameMap(annotation);
+                    if (!codeToNameMap.isEmpty()) {
+                        s1 = codeToNameMap.getOrDefault(s1, s1);
+                        s2 = codeToNameMap.getOrDefault(s2, s2);
+                    }
+                    changeLogFields.add(new SysFieldDifferent(chineseName, s1, s2));
+                }
+            }
+        }
+        return changeLogFields;
+    }
+
+    //统一处理条件判断
+    private static boolean areEqual(Object oldVal, Object newVal) {
+        if (oldVal == null && newVal == null) {
+            return true;
+        }
+        if (oldVal == null || newVal == null) {
+            return false;
+        }
         if (oldVal instanceof String) {
-                    String s1 = String.valueOf(oldVal).trim();
+            return oldVal.toString().trim().equals(newVal.toString().trim());
-                    String s2 = String.valueOf(newVal).trim();
+        } else if (oldVal instanceof Number) {
-                    eq = !s1.equals(s2);
+            return ((Number) oldVal).doubleValue() == ((Number) newVal).doubleValue();
-                } else if (oldVal instanceof Integer) {
+        } else if (oldVal instanceof Enum) {
-                    int i1 = (Integer) oldVal;
+            return oldVal.equals(newVal);
-                    int i2 = (Integer) newVal;
+        } else if (oldVal instanceof Date) {
-                    eq = i1 != i2;
+            return oldVal.equals(newVal);
-                } else if (oldVal instanceof Double) {
-                    double d1 = (Double) oldVal;
-                    double d2 = (Double) newVal;
-                    eq = d1 != d2;
-                } else if (oldVal instanceof BigDecimal) {
-                    BigDecimal b1 = (BigDecimal) oldVal;
-                    BigDecimal b2 = (BigDecimal) newVal;
-                    eq = b1.compareTo(b2) != 0;
-                } else if (oldVal instanceof Long) {
-                    long l1 = (Long) oldVal;
-                    long l2 = (Long) newVal;
-                    eq = l1 != l2;
-                } else {
-                    eq = !oldVal.equals(newVal);
-                }
-                String s1 = oldVal == null ? "" : oldVal.toString().trim();
-                String s2 = newVal == null ? "" : newVal.toString().trim();
-                if (eq) {
-                    Map<String, String> map = codeToNameMap(newAnnotation);
-                    if (map.size() > 0) {
-                        changeLogFields.add(new SysFieldDifferent(newAnnotation.chineseName(), map.get(s1), map.get(s2)));
         } else {
-                        changeLogFields.add(new SysFieldDifferent(newAnnotation.chineseName(), s1, s2));
+            return oldVal.equals(newVal);
         }
     }
+
+    //统一处理格式化值
+    private static String formatValue(Object value) {
+        if (value == null) {
+            return "";
         }
+        if (value instanceof String) {
+            return ((String) value).trim();
+        } else if (value instanceof Date) {
+            SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+            return sdf.format(value);
+        } else if (value instanceof Number) {
+            return value.toString();
+        } else if (value instanceof Enum) {
+            return value.toString();
+        } else {
+            return value.toString();
         }
-        return changeLogFields;
     }
 
+
     /**
      * 字典映射 使用方式:
      * @param newAnnotation