修复xml转json再转bean失败问题

hutool-core/src/test/java/org/dromara/hutool/core/bean/BeanUtilTest.java

@@ -39,7 +39,7 @@ public class BeanUtilTest {
 	public void isBeanTest() {
 
 		// HashMap不包含setXXX方法，不是bean
-		final boolean isBean = BeanUtil.isBean(HashMap.class);
+		final boolean isBean = BeanUtil.isWritableBean(HashMap.class);
 		Assertions.assertFalse(isBean);
 	}
 

hutool-core/src/test/java/org/dromara/hutool/core/io/FileUtilTest.java

@@ -24,15 +24,16 @@ import java.util.List;
 public class FileUtilTest {
 
 	@Test
-	public void fileTest() {
+	void fileTest1() {
+		final File file = FileUtil.file("d:/aaa", "bbb");
+		Assertions.assertNotNull(file);
+	}
+
+	@Test
+	public void fileTest2() {
 		Assertions.assertThrows(IllegalArgumentException.class, ()->{
-			final File file = FileUtil.file("d:/aaa", "bbb");
-			Assertions.assertNotNull(file);
-
 			// 构建目录中出现非子目录抛出异常
-			FileUtil.file(file, "../ccc");
-
-			FileUtil.file("E:/");
+			FileUtil.file("d:/aaa/bbb", "../ccc");
 		});
 	}
 

hutool-core/src/test/java/org/dromara/hutool/core/util/XmlUtilTest.java

@@ -32,6 +32,7 @@ import org.xml.sax.helpers.DefaultHandler;
 
 import javax.xml.xpath.XPathConstants;
 import java.util.LinkedHashMap;
+import java.util.List;
 import java.util.Map;
 import java.util.Set;
 
@@ -380,4 +381,29 @@ public class XmlUtilTest {
 		private String age;
 		private String email;
 	}
+
+	@Test
+	public void issue3139Test() {
+		final String xml = "<r>\n" +
+			"  <c>\n" +
+			"     <s>1</s>\n" +
+			"     <p>str</p>\n" +
+			"  </c>\n" +
+			"</r>";
+
+		final R r = XmlUtil.xmlToBean(XmlUtil.parseXml(xml), R.class);
+		Assertions.assertEquals("1", r.getC().get(0).getS());
+		Assertions.assertEquals("str", r.getC().get(0).getP());
+	}
+
+	@Data
+	static class C {
+		String s;
+		String p;
+	}
+
+	@Data
+	static class R {
+		List<C> c;
+	}
 }