/
json.go
64 lines (47 loc) · 1.17 KB
/
json.go
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package main
import (
"encoding/json"
"fmt"
"os"
"path/filepath"
"sort"
)
func main() {
rootpath := "/etc"
root := FileNode{"projects", rootpath, []*FileNode{}}
fileInfo, _ := os.Lstat(rootpath)
walk(rootpath, fileInfo, &root)
data, _ := json.Marshal(root)
fmt.Printf("%s", data)
}
type FileNode struct {
Name string `json:"name"`
Path string `json:"path"`
FileNodes []*FileNode `json:"children"`
}
func walk(path string, info os.FileInfo, node *FileNode) {
// 列出当前目录下的所有目录、文件
files := listFiles(path)
// 遍历这些文件
for _, filename := range files {
// 拼接全路径
fpath := filepath.Join(path, filename)
// 构造文件结构
fio, _ := os.Lstat(fpath)
// 将当前文件作为子节点添加到目录下
child := FileNode{filename, fpath, []*FileNode{}}
node.FileNodes = append(node.FileNodes, &child)
// 如果遍历的当前文件是个目录,则进入该目录进行递归
if fio.IsDir() {
walk(fpath, fio, &child)
}
}
return
}
func listFiles(dirname string) []string {
f, _ := os.Open(dirname)
names, _ := f.Readdirnames(-1)
f.Close()
sort.Strings(names)
return names
}