修复FileUtil.copyFile没有创建父目录导致的问题

hutool-core/src/main/java/cn/hutool/core/io/file/PathUtil.java

@@ -217,6 +217,9 @@ public class PathUtil {
 		Assert.notNull(src, "Source is null !");
 		Assert.notNull(target, "Destination File or directory is null !");
 
+		// 创建级联父目录
+		mkParentDirs(target);
+
 		try {
 			Files.copy(src, target, options);
 		} catch (IOException e) {

hutool-core/src/test/java/cn/hutool/core/io/file/Issue3557Test.java

@@ -0,0 +1,18 @@
+package cn.hutool.core.io.file;
+
+import cn.hutool.core.io.FileUtil;
+import org.junit.Ignore;
+import org.junit.Test;
+
+import java.nio.file.StandardCopyOption;
+
+public class Issue3557Test {
+
+	@Test
+	@Ignore
+	public void copyFileTest() {
+		// 如果只是文件不存在，则不会报错
+		// 如果文件所在目录不存在，则会报错
+		FileUtil.copyFile(FileUtil.getInputStream("d:/test/aaa.xlsx"), FileUtil.file("d:/test2/aaa_copy.xlsx"), StandardCopyOption.REPLACE_EXISTING);
+	}
+}