add test

hutool-swing/pom.xml

@@ -57,5 +57,12 @@
 			<version>${metadata-extractor.version}</version>
 			<optional>true</optional>
 		</dependency>
+		<!-- UI主题库 -->
+		<dependency>
+			<groupId>com.formdev</groupId>
+			<artifactId>flatlaf</artifactId>
+			<version>3.5.4</version>
+			<scope>test</scope>
+		</dependency>
 	</dependencies>
 </project>

hutool-swing/src/test/java/org/dromara/hutool/swing/DesktopUtilTest.java

@@ -24,6 +24,6 @@ public class DesktopUtilTest {
 	@Test
 	@Disabled
 	public void browseTest() {
-		DesktopUtil.browse("https://www.hutool.club");
+		DesktopUtil.browse("https://hutool.cn");
 	}
 }

hutool-swing/src/test/java/org/dromara/hutool/swing/FlatLafTest.java

@@ -0,0 +1,17 @@
+package org.dromara.hutool.swing;
+
+import com.formdev.flatlaf.FlatDarculaLaf;
+
+import javax.swing.JFrame;
+
+public class FlatLafTest {
+	public static void main(String[] args) {
+		FlatDarculaLaf.setup();
+		final JFrame frame = new JFrame("我的窗口");
+		frame.setSize(400, 300);
+		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+
+		// 设置窗口可见
+		frame.setVisible(true);
+	}
+}