From 117c2be9de81856ab94bea79b50c5409786c63c0 Mon Sep 17 00:00:00 2001
From: xinyu <xinyu.yao@myschools.me>
Date: Sat, 21 Feb 2026 14:45:22 +0800
Subject: [PATCH] =?UTF-8?q?=E6=96=87=E4=BB=B6?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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---
 .gitignore |  3 ++-
 main.go    | 24 ++++++++++++++++++++++++
 2 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/.gitignore b/.gitignore
index cb30448..c183848 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 afero-demo
 *.exe
-go.sum
\ No newline at end of file
+go.sum
+*.txt
\ No newline at end of file
diff --git a/main.go b/main.go
index daec585..293eec8 100644
--- a/main.go
+++ b/main.go
@@ -18,4 +18,28 @@ func main() {
 	}
 
 	fmt.Println(string(data))
+
+	//真实文件系统
+	fs = afero.NewOsFs()
+
+	afero.WriteFile(fs, "poem.txt", []byte("月光光，照大床（文件系统）"), 0644)
+
+	data, err = afero.ReadFile(fs, "poem.txt")
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println(string(data))
+
+	//拷贝文件
+	err = afero.WriteFile(fs, "poem_copy.txt", data, 0644)
+	if err != nil {
+		panic(err)
+	}
+
+	//限定根目录
+	bfs := afero.NewBasePathFs(afero.NewOsFs(), "/home/yy/project")
+	if _, err := bfs.Open("/etc/passwd"); err != nil {
+		fmt.Println(err.Error())
+	}
 }