CopyOptions中增加setAutoTransCamelCase方法

hutool-core/src/test/java/cn/hutool/core/bean/Issue3452Test.java

@@ -0,0 +1,29 @@
+package cn.hutool.core.bean;
+
+import cn.hutool.core.bean.copier.CopyOptions;
+import lombok.Data;
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class Issue3452Test {
+
+	@Test
+	public void fillBeanWithMapTest() {
+		final Map<String, Object> properties = new HashMap<>();
+		properties.put("name", "JohnDoe");
+		properties.put("user_age", 25);
+		final User user = BeanUtil.fillBeanWithMap(
+			properties, new User(), CopyOptions.create());
+		Assert.assertEquals("JohnDoe", user.getName());
+		Assert.assertEquals(25, user.getUserAge());
+	}
+
+	@Data
+	static class User {
+		private String name;
+		private int userAge;
+	}
+}