From 5228f223fd629fa3df05764e093dd5e5563b5eb5 Mon Sep 17 00:00:00 2001
From: xuxin <840198532@qq.com>
Date: Tue, 17 Mar 2026 14:39:52 +0800
Subject: [PATCH] =?UTF-8?q?=E8=BF=9B=E9=98=B6day08-=E6=89=93=E5=8D=B0?=
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---
 .../src/com/inmind/digui02/Demo12.java        | 35 +++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 javaSE-day08/src/com/inmind/digui02/Demo12.java

diff --git a/javaSE-day08/src/com/inmind/digui02/Demo12.java b/javaSE-day08/src/com/inmind/digui02/Demo12.java
new file mode 100644
index 0000000..48d0caf
--- /dev/null
+++ b/javaSE-day08/src/com/inmind/digui02/Demo12.java
@@ -0,0 +1,35 @@
+package com.inmind.digui02;
+
+import java.io.File;
+
+/*
+14.练习_打印指定D:\io_test目录下所有的txt文件
+
+分析:遍历获取指定目录中所有的File对象,是.txt后缀(名称)的文件
+
+如果是.txt后缀(名称)的文件则打印，其他文件就不操作，如果是文件夹则继续递归调用自己，
+ */
+public class Demo12 {
+    public static void main(String[] args) {
+        //创建一个File对象
+        File file = new File("D:\\io_test");
+        getFiles(file);
+    }
+
+    private static void getFiles(File file) {
+        if (file.exists() && file.isFile()) {
+            return;
+        }
+
+        File[] files = file.listFiles();
+        for (File f : files) {
+            //.txt后缀(名称)的文件则打印
+            if (f.isFile() && f.getName().endsWith(".txt")) {
+                System.out.println(f.getName());
+            } else {
+                //其他文件夹则递归调用自己
+                getFiles(f);
+            }
+        }
+    }
+}