提供Dict中setFields方法实现，传入lambda设置部分值

hutool-core/src/main/java/cn/hutool/core/lang/Dict.java

@@ -10,12 +10,15 @@ import java.math.BigDecimal;
 import java.math.BigInteger;
 import java.sql.Time;
 import java.sql.Timestamp;
+import java.util.Arrays;
 import java.util.Date;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.LinkedHashMap;
 import java.util.Map;
 import java.util.Objects;
+import cn.hutool.core.lang.func.Func0;
+import cn.hutool.core.lang.func.LambdaUtil;
 
 /**
  * 字典对象，扩充了HashMap中的方法
@@ -596,4 +599,14 @@ public class Dict extends LinkedHashMap<String, Object> implements BasicTypeGett
 		}
 		return key;
 	}
+
+	/**
+	 * 通过lambda批量设置值
+	 * @param fields lambda,不能为空
+	 * @return this
+	 */
+	public Dict setFields(Func0<?>... fields) {
+		Arrays.stream(fields).forEach(f -> set(LambdaUtil.getFieldName(f), f.callWithRuntimeException()));
+		return this;
+	}
 }

hutool-core/src/main/java/cn/hutool/core/lang/func/LambdaUtil.java

@@ -29,6 +29,10 @@ public class LambdaUtil {
 		return _resolve(func);
 	}
 
+	public static <R> SerializedLambda resolve(Func0<R> func) {
+		return _resolve(func);
+	}
+
 	/**
 	 * 获取lambda表达式函数（方法）名称
 	 *
@@ -40,6 +44,10 @@ public class LambdaUtil {
 		return resolve(func).getImplMethodName();
 	}
 
+	public static <R> String getMethodName(Func0<R> func) {
+		return resolve(func).getImplMethodName();
+	}
+
 	/**
 	 * 获取lambda表达式Getter或Setter函数（方法）对应的字段名称，规则如下：
 	 * <ul>
@@ -66,6 +74,17 @@ public class LambdaUtil {
 		}
 	}
 
+	public static <R> String getFieldName(Func0<R> func) throws IllegalArgumentException {
+		final String methodName = getMethodName(func);
+		if (methodName.startsWith("get") || methodName.startsWith("set")) {
+			return StrUtil.removePreAndLowerFirst(methodName, 3);
+		} else if (methodName.startsWith("is")) {
+			return StrUtil.removePreAndLowerFirst(methodName, 2);
+		} else {
+			throw new IllegalArgumentException("Invalid Getter or Setter name: " + methodName);
+		}
+	}
+
 	/**
 	 * 解析lambda表达式,加了缓存。
 	 * 该缓存可能会在任意不定的时间被清除

hutool-core/src/test/java/cn/hutool/core/lang/DictTest.java

@@ -3,6 +3,7 @@ package cn.hutool.core.lang;
 import cn.hutool.core.date.DateTime;
 import org.junit.Assert;
 import org.junit.Test;
+import static cn.hutool.core.lang.OptTest.User;
 
 import java.util.HashMap;
 import java.util.Map;
@@ -14,7 +15,7 @@ public class DictTest {
 				.set("key1", 1)//int
 				.set("key2", 1000L)//long
 				.set("key3", DateTime.now());//Date
-		
+
 		Long v2 = dict.getLong("key2");
 		Assert.assertEquals(Long.valueOf(1000L), v2);
 	}
@@ -58,4 +59,13 @@ public class DictTest {
 
 		Assert.assertTrue(dict.isEmpty());
 	}
+
+	@Test
+	public void setFieldsTest() {
+		User user = User.builder().username("hutool").nickname("Hutool").build();
+		Dict dict = Dict.create();
+		dict.setFields(user::getNickname, user::getUsername);
+		Assert.assertEquals("Hutool", dict.get("nickname"));
+		Assert.assertEquals("hutool", dict.get("username"));
+	}
 }

hutool-db/src/main/java/cn/hutool/db/ActiveEntity.java

@@ -3,12 +3,13 @@ package cn.hutool.db;
 import java.sql.SQLException;
 import java.util.Collection;
 
+import cn.hutool.core.lang.func.Func0;
 import cn.hutool.core.map.MapUtil;
 
 /**
  * 动态实体类<br>
  * 提供了针对自身实体的增删改方法
- * 
+ *
  * @author Looly
  *
  */
@@ -20,7 +21,7 @@ public class ActiveEntity extends Entity {
 	// --------------------------------------------------------------- Static method start
 	/**
 	 * 创建ActiveEntity
-	 * 
+	 *
 	 * @return ActiveEntity
 	 */
 	public static ActiveEntity create() {
@@ -29,7 +30,7 @@ public class ActiveEntity extends Entity {
 
 	/**
 	 * 创建ActiveEntity
-	 * 
+	 *
 	 * @param tableName 表名
 	 * @return ActiveEntity
 	 */
@@ -39,7 +40,7 @@ public class ActiveEntity extends Entity {
 
 	/**
 	 * 将PO对象转为Entity
-	 * 
+	 *
 	 * @param <T> Bean对象类型
 	 * @param bean Bean对象
 	 * @return ActiveEntity
@@ -50,7 +51,7 @@ public class ActiveEntity extends Entity {
 
 	/**
 	 * 将PO对象转为ActiveEntity
-	 * 
+	 *
 	 * @param <T> Bean对象类型
 	 * @param bean Bean对象
 	 * @param isToUnderlineCase 是否转换为下划线模式
@@ -63,7 +64,7 @@ public class ActiveEntity extends Entity {
 
 	/**
 	 * 将PO对象转为ActiveEntity,并采用下划线法转换字段
-	 * 
+	 *
 	 * @param <T> Bean对象类型
 	 * @param bean Bean对象
 	 * @return ActiveEntity
@@ -83,7 +84,7 @@ public class ActiveEntity extends Entity {
 
 	/**
 	 * 构造
-	 * 
+	 *
 	 * @param tableName 表名
 	 */
 	public ActiveEntity(String tableName) {
@@ -92,7 +93,7 @@ public class ActiveEntity extends Entity {
 
 	/**
 	 * 构造
-	 * 
+	 *
 	 * @param entity 非动态实体
 	 */
 	public ActiveEntity(Entity entity) {
@@ -101,7 +102,7 @@ public class ActiveEntity extends Entity {
 
 	/**
 	 * 构造
-	 * 
+	 *
 	 * @param db {@link Db}
 	 * @param tableName 表名
 	 */
@@ -112,7 +113,7 @@ public class ActiveEntity extends Entity {
 
 	/**
 	 * 构造
-	 * 
+	 *
 	 * @param db {@link Db}
 	 * @param entity 非动态实体
 	 */
@@ -122,47 +123,58 @@ public class ActiveEntity extends Entity {
 		this.db = db;
 	}
 	// -------------------------------------------------------------------------- Constructor end
-	
+
 	@Override
 	public ActiveEntity setTableName(String tableName) {
 		return (ActiveEntity) super.setTableName(tableName);
 	}
-	
+
 	@Override
 	public ActiveEntity setFieldNames(Collection<String> fieldNames) {
 		return (ActiveEntity) super.setFieldNames(fieldNames);
 	}
-	
+
 	@Override
 	public ActiveEntity setFieldNames(String... fieldNames) {
 		return (ActiveEntity) super.setFieldNames(fieldNames);
 	}
-	
+
+	/**
+	 * 通过lambda批量设置值
+	 *
+	 * @param fields lambda,不能为空
+	 * @return this
+	 */
+	@Override
+	public ActiveEntity setFields(Func0<?>... fields) {
+		return (ActiveEntity) super.setFields(fields);
+	}
+
 	@Override
 	public ActiveEntity addFieldNames(String... fieldNames) {
 		return (ActiveEntity) super.addFieldNames(fieldNames);
 	}
-	
+
 	@Override
 	public <T> ActiveEntity parseBean(T bean) {
 		return (ActiveEntity) super.parseBean(bean);
 	}
-	
+
 	@Override
 	public <T> ActiveEntity parseBean(T bean, boolean isToUnderlineCase, boolean ignoreNullValue) {
 		return (ActiveEntity) super.parseBean(bean, isToUnderlineCase, ignoreNullValue);
 	}
-	
+
 	@Override
 	public ActiveEntity set(String field, Object value) {
 		return (ActiveEntity) super.set(field, value);
 	}
-	
+
 	@Override
 	public ActiveEntity setIgnoreNull(String field, Object value) {
 		return (ActiveEntity) super.setIgnoreNull(field, value);
 	}
-	
+
 	@Override
 	public ActiveEntity clone() {
 		return (ActiveEntity) super.clone();
@@ -171,7 +183,7 @@ public class ActiveEntity extends Entity {
 	// -------------------------------------------------------------------------- CRUD start
 	/**
 	 * 根据Entity中现有字段条件从数据库中增加一条数据
-	 * 
+	 *
 	 * @return this
 	 */
 	public ActiveEntity add() {
@@ -185,7 +197,7 @@ public class ActiveEntity extends Entity {
 
 	/**
 	 * 根据Entity中现有字段条件从数据库中加载一个Entity对象
-	 * 
+	 *
 	 * @return this
 	 */
 	public ActiveEntity load() {
@@ -202,7 +214,7 @@ public class ActiveEntity extends Entity {
 
 	/**
 	 * 根据现有Entity中的条件删除与之匹配的数据库记录
-	 * 
+	 *
 	 * @return this
 	 */
 	public ActiveEntity del() {
@@ -216,7 +228,7 @@ public class ActiveEntity extends Entity {
 
 	/**
 	 * 根据现有Entity中的条件删除与之匹配的数据库记录
-	 * 
+	 *
 	 * @param primaryKey 主键名
 	 * @return this
 	 */

hutool-db/src/main/java/cn/hutool/db/Entity.java

@@ -2,6 +2,7 @@ package cn.hutool.db;
 
 import cn.hutool.core.collection.CollectionUtil;
 import cn.hutool.core.lang.Dict;
+import cn.hutool.core.lang.func.Func0;
 import cn.hutool.core.util.ArrayUtil;
 import cn.hutool.core.util.CharsetUtil;
 import cn.hutool.core.util.ReflectUtil;
@@ -172,6 +173,16 @@ public class Entity extends Dict {
 		return this;
 	}
 
+	/**
+	 * 通过lambda批量设置值
+	 * @param fields lambda,不能为空
+	 * @return this
+	 */
+	@Override
+	public Entity setFields(Func0<?>... fields) {
+		return (Entity) super.setFields(fields);
+	}
+
 	/**
 	 * 添加字段列表
 	 *