工具文件提交

xueyi-common/xueyi-common-core/src/main/java/com/xueyi/common/core/utils/core/ObjectUtil.java

@@ -1,9 +1,29 @@
 package com.xueyi.common.core.utils.core;
 
+import java.lang.annotation.Annotation;
+import java.lang.reflect.Field;
+import java.util.HashSet;
+import java.util.Set;
+
 /**
  * 对象工具类
  *
  * @author xueyi
  */
 public class ObjectUtil extends cn.hutool.core.util.ObjectUtil {
+
+    public static Set<String> findAnnotatedFields(Class<?> clazz, Class<? extends Annotation> annotationClass) {
+        Set<String> annotatedFields = new HashSet<String>();
+
+        for (Field field : clazz.getDeclaredFields()) {
+            if (field.isAnnotationPresent(annotationClass)) {
+                annotatedFields.add(field.getName());
+            }
+        }
+
+        return annotatedFields;
+    }
+
+
+
 }

xueyi-common/xueyi-common-core/src/main/java/com/xueyi/common/core/utils/core/StrUtil.java

@@ -190,4 +190,10 @@ public class StrUtil extends cn.hutool.core.util.StrUtil implements StrPool {
         return result.toString();
     }
 
+    public static String generateCode() {
+        String timeStr = String.valueOf(System.currentTimeMillis());
+        return timeStr.substring(timeStr.length() - 4 );
+    }
+
+
 }