From e02114312679392ce16c26c5ba221d5a1db482cf Mon Sep 17 00:00:00 2001
From: zhongzixiang <zzxjava@163.com>
Date: Thu, 28 Apr 2022 16:21:16 +0800
Subject: [PATCH] =?UTF-8?q?=E6=96=B0=E5=A2=9E=E5=B0=86bean=E7=9A=84?=
 =?UTF-8?q?=E9=83=A8=E5=88=86=E5=B1=9E=E6=80=A7=E8=BD=AC=E6=8D=A2=E6=88=90?=
 =?UTF-8?q?map=E7=9A=84=E6=96=B9=E6=B3=95?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../java/cn/hutool/core/bean/BeanUtil.java    | 26 +++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/hutool-core/src/main/java/cn/hutool/core/bean/BeanUtil.java b/hutool-core/src/main/java/cn/hutool/core/bean/BeanUtil.java
index eabce8de0..7c0d7cb4f 100755
--- a/hutool-core/src/main/java/cn/hutool/core/bean/BeanUtil.java
+++ b/hutool-core/src/main/java/cn/hutool/core/bean/BeanUtil.java
@@ -24,11 +24,14 @@ import java.beans.PropertyEditorManager;
 import java.lang.reflect.Field;
 import java.lang.reflect.Method;
 import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
 import java.util.Collection;
 import java.util.HashMap;
 import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.Set;
 import java.util.function.Consumer;
 import java.util.function.Supplier;
 import java.util.stream.Collectors;
@@ -616,6 +619,29 @@ public class BeanUtil {
 		return beanToMap(bean, false, false);
 	}
 
+
+	/**
+	 * 将bean的部分属性转换成map
+	 *
+	 * @param bean       bean
+	 * @param properties 属性值
+	 * @return Map
+	 */
+	public static Map<String, Object> beanToMap(Object bean, String... properties) {
+		if (ArrayUtil.isEmpty(properties)) {
+			return Collections.emptyMap();
+		}
+		Set<String> propertiesSet = Arrays.stream(properties).collect(Collectors.toSet());
+		// 指明了要复制的属性 所以不忽略null值
+		return beanToMap(bean, new HashMap<>(properties.length), false,
+				property -> {
+					if (!propertiesSet.contains(property)) {
+						return null;
+					}
+					return property;
+				});
+	}
+
 	/**
 	 * 对象转Map
 	 *