go递归遍历文件目录

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59

package main   import (     "fmt"     "io/ioutil"     "log" )   //文件目录树形结构节点 type dirTreeNode struct {     name  string     child []dirTreeNode }   //递归遍历文件目录 func getDirTree(pathName string) (dirTreeNode, error) {     rd, err := ioutil.ReadDir(pathName)     if err != nil {         log.Fatalf("Read dir '%s' failed: %v", pathName, err)     }     var tree, childNode dirTreeNode     tree.name = pathName     var name, fullName string     for _, fileDir := range rd {         name = fileDir.Name()         fullName = pathName + "/" + name         if fileDir.IsDir() {             childNode, err = getDirTree(fullName)             if err != nil {                 log.Fatalf("Read dir '%s' failed: %v", fullName, err)             }         } else {             childNode.name = name             childNode.child = nil         }         tree.child = append(tree.child, childNode)     }     return tree, nil }   //递归打印文件目录 func printDirTree(tree dirTreeNode, prefix string) {     fmt.Println(prefix + tree.name)     if len(tree.child) > 0 {         prefix += "----"         for _, childNode := range tree.child {             printDirTree(childNode, prefix)         }     } }   func main() {     dirName := "D:/go/src/jet"     tree, err := getDirTree(dirName)     if err != nil {         log.Fatalln("read dir '%s' fail: %v", dirName, err)     }     printDirTree(tree, "") }