go 递归获取文件目录操作

package main

import (
    "fmt"
    "io/ioutil"
    "log"
    "os"
    "strings"
)
func main() {
    files := ScanDir("employment")
    for _, file := range files {
        fmt.Println(file)
        //通过字符串截取获取到学校id
        schId := GetLastPathName(file)
        fmt.Println(schId)
        insides := ScanDirs(file)
        for _, inside := range insides {
            fmt.Println(inside)
            insidePath := GetLastPathName(inside)
            switch insidePath {
            //学校加专业
            case "schMajorDetail":
                SetMajorSch(SchMajorDetail, inside)
                //同等院校加专业
            case "similarSchMajorDetail":
                SetMajorSch(SimilarSchMajorDetail, inside)
                //学校详情
            case "schDetail":
                //就业包装--学校详情页就业去向
                GetFileContentByPath(inside)
            case "schOverview":
                GetFileContentByPath(inside)
            }
            fmt.Println(insidePath)
            //就业包装--学校详情页就业去向 "schOverview.json"

        }
    }
}

const SchMajorDetail = 1
const SimilarSchMajorDetail = 2

func SetMajorSch(typeNum int32, path string) {
    //递归获取当前文件夹下的所有文件
    files := ScanDir(path)
    for _, file := range files {
        majorId := GetLastPathName(file)
        log.Println(majorId)
        //获取文件内容
        GetFileContentByPath(file)
        //序列化
        // todo  

    }
    if SchMajorDetail == typeNum {

    }
}

//GetLastPathName 获取当前文件lastName
func GetLastPathName(path string) string {
    array := strings.Split(path, "\\")
    if array != nil && len(array) > 0 {
        pathName := array[len(array)-1]
        pathName = strings.Replace(pathName, ".json", "", -1)
        return pathName
    }
    return ""
}

//GetFileContentByPath 根据 all path 获取文件内容
func GetFileContentByPath(path string) string {
    file, err := os.Open(path)
    if err != nil {
        fmt.Println(err)
        return ""
    }
    defer file.Close()

    fileinfo, err := file.Stat()
    if err != nil {
        fmt.Println(err)
        return ""
    }

    filesize := fileinfo.Size()
    buffer := make([]byte, filesize)

    bytesread, err := file.Read(buffer)
    if err != nil {
        fmt.Println(err)
        return ""
    }
    fmt.Println("bytes read: ", bytesread)
    return string(buffer)
}

//ScanDir 扫描当前目录下文件，不递归扫描
func ScanDir(dirName string) []string {
    files, err := ioutil.ReadDir(dirName)
    if err != nil {
        log.Println(err)
    }
    var fileList []string
    for _, file := range files {
        fileList = append(fileList, dirName+string(os.PathSeparator)+file.Name())
    }
    return fileList
}

//ScanDirs 递归扫描目录
func ScanDirs(dirName string) []string {
    files, err := ioutil.ReadDir(dirName)
    if err != nil {
        log.Println(err)
    }
    var fileList []string
    for _, file := range files {
        fileList = append(fileList, dirName+string(os.PathSeparator)+file.Name())
        if file.IsDir() {
            fileList = append(fileList, ScanDir(dirName+string(os.PathSeparator)+file.Name())...)
        }
    }
    return fileList
}

 目录示例