46 lines
829 B
Go
46 lines
829 B
Go
package main
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import (
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"fmt"
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"github.com/spf13/afero"
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)
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func main() {
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//基于内存的文件读写
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fs := afero.NewMemMapFs()
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afero.WriteFile(fs, "poem.txt", []byte("月光光，照大床"), 0644)
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data, err := afero.ReadFile(fs, "poem.txt")
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if err != nil {
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panic(err)
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}
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fmt.Println(string(data))
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//真实文件系统
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fs = afero.NewOsFs()
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afero.WriteFile(fs, "poem.txt", []byte("月光光，照大床（文件系统）"), 0644)
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data, err = afero.ReadFile(fs, "poem.txt")
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if err != nil {
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panic(err)
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}
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fmt.Println(string(data))
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//拷贝文件
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err = afero.WriteFile(fs, "poem_copy.txt", data, 0644)
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if err != nil {
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panic(err)
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}
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//限定根目录
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bfs := afero.NewBasePathFs(afero.NewOsFs(), "/home/yy/project")
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if _, err := bfs.Open("/etc/passwd"); err != nil {
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fmt.Println(err.Error())
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}
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}
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