2023-08-11 10:54:40 +08:00
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// Package serialize ...
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//
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// Description : 文件读写相关工具
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 2021-04-26 6:00 下午
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package serialize
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import (
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"errors"
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2023-08-11 11:28:17 +08:00
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"git.zhangdeman.cn/zhangdeman/consts"
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2023-08-11 10:54:40 +08:00
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"io"
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"net/http"
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"os"
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"path/filepath"
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"strings"
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"github.com/BurntSushi/toml"
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"git.zhangdeman.cn/zhangdeman/util/define"
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"github.com/go-ini/ini"
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yml "gopkg.in/yaml.v3"
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)
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var (
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// File ...
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File *file
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)
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func init() {
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File = &file{}
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}
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// file 文件相关操作
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 14:08 2022/5/14
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type file struct {
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}
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// GetProjectPath 获取项目路径(可执行文件所在目录)
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 10:32 下午 2021/4/26
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func (f *file) GetProjectPath() (string, error) {
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rootPath, err := os.Getwd()
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if nil != err {
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return "", err
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}
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pathArr := strings.Split(rootPath, string(filepath.Separator))
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if len(pathArr) > 0 {
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if pathArr[len(pathArr)-1] == "test" {
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rootPath = strings.Join(pathArr[0:len(pathArr)-1], "/")
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}
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}
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return rootPath, nil
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}
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// ReadYmlContent 读取yml配置问价,并解析到指定的结构体中
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 10:35 下午 2021/4/26
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func (f *file) ReadYmlContent(filePath string, result interface{}) error {
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if nil == result {
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return errors.New("接收读取结果的数据指针为NIL")
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}
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var (
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fileContent []byte
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err error
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)
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if fileContent, err = f.ReadFileContent(filePath); nil != err {
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return err
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}
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return yml.Unmarshal(fileContent, result)
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}
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// ReadJSONContent 读取JSON内容,并解析到指定的结构体中
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 15:23 2022/6/9
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func (f *file) ReadJSONContent(filePath string, result interface{}) error {
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if nil == result {
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return errors.New("接收读取结果的数据指针为NIL")
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}
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var (
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fileContent []byte
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err error
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)
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if fileContent, err = f.ReadFileContent(filePath); nil != err {
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return err
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}
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return JSON.UnmarshalWithNumber(fileContent, result)
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}
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// ReadIniContent 读取并解析ini文件
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 13:21 2022/7/2
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func (f *file) ReadIniContent(filePath string, result interface{}) error {
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if nil == result {
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return errors.New("接收读取结果的数据指针为NIL")
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}
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return ini.MapTo(result, filePath)
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}
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// ReadTomlContent 读取toml格式文件
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 21:08 2023/7/31
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func (f *file) ReadTomlContent(filePath string, result interface{}) error {
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if nil == result {
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return errors.New("接收读取结果的数据指针为NIL")
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}
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if _, err := toml.DecodeFile("example.toml", result); err != nil {
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return err
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}
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return nil
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}
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// ReadAnyFileContent 读取任意类型的文件并解析
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 13:11 2022/7/2
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func (f *file) ReadAnyFileContent(filePath string, receiver interface{}) error {
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fileInfoArr := strings.Split(filePath, ".")
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if len(fileInfoArr) < 2 {
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return errors.New("未知的文件类型")
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}
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var (
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parseFunc func(filePath string, receiver interface{}) error
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)
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fileExt := strings.ToLower(fileInfoArr[len(fileInfoArr)-1])
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switch fileExt {
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case consts.FileTypeJson:
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parseFunc = f.ReadJSONContent
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case consts.FileTypeYml:
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fallthrough
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case consts.FileTypeYaml:
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parseFunc = f.ReadYmlContent
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case consts.FileTypeIni:
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parseFunc = f.ReadIniContent
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default:
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return errors.New(fileExt + " 暂不支持当前格式的文件解析")
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}
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return parseFunc(filePath, receiver)
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}
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// ReadFileContent 读取文件内容
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 10:37 下午 2021/4/26
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func (f *file) ReadFileContent(filePath string) ([]byte, error) {
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if exist, isFile := f.IsFileExist(filePath); !exist || !isFile {
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//文件不存在或者是一个目录
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return nil, errors.New(filePath + " 文件不存在或者是一个目录!")
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}
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//打开文件
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var (
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fileHandler *os.File
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err error
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)
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if fileHandler, err = os.Open(filePath); nil != err {
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return nil, err
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}
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defer func() {
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if nil != fileHandler {
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// 关闭资源
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_ = fileHandler.Close()
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}
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}()
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return io.ReadAll(fileHandler)
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}
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// IsFileExist 判断文件是否存在
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 10:37 下午 2021/4/26
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func (f *file) IsFileExist(filePath string) (bool, bool) {
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fileStat, err := os.Stat(filePath)
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return nil == err || os.IsExist(err), (nil == err || os.IsExist(err)) && !fileStat.IsDir()
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}
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// GetFileMIMEType 获取本地文件的MIME类型
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 17:15 2023/2/7
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func (f *file) GetFileMIMEType(filePath string) (string, error) {
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var (
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err error
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fileHandler *os.File
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)
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if fileHandler, err = os.Open(filePath); nil != err {
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return "", err
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}
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// 只需要前 512 个字节就可以了
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buffer := make([]byte, 512)
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if _, err = fileHandler.Read(buffer); nil != err {
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return "", err
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}
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contentType := http.DetectContentType(buffer)
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return contentType, nil
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}
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// ReadDirFileList 读取目录下的文件列表, 支持递归
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 14:42 2023/7/31
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func (f *file) ReadDirFileList(dirPath string, ignoreHiddenFile bool, isRecurve bool) ([]*define.FileInfo, error) {
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var (
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err error
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fileList []os.DirEntry
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itemFileInfo os.FileInfo
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)
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result := make([]*define.FileInfo, 0)
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if fileList, err = os.ReadDir(dirPath); nil != err {
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return result, err
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}
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for _, itemFile := range fileList {
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if ignoreHiddenFile && strings.HasPrefix(itemFile.Name(), ".") {
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// 或略隐藏文件、文件夹
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continue
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}
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if itemFileInfo, err = itemFile.Info(); nil != err {
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return result, err
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}
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fileInfo := &define.FileInfo{
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IsDir: itemFile.IsDir(),
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Name: itemFile.Name(),
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AbsolutePath: filepath.Join(dirPath, itemFile.Name()),
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Format: "",
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Size: itemFileInfo.Size(),
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ModifyTime: itemFileInfo.ModTime().Unix(),
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Mode: itemFileInfo.Mode(),
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FileList: make([]*define.FileInfo, 0),
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}
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if !fileInfo.IsDir {
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fileArr := strings.Split(fileInfo.Name, ".")
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if len(fileArr) >= 2 {
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fileInfo.Format = fileArr[len(fileArr)-1]
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} else {
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fileInfo.Format = "unknown"
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}
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} else {
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fileInfo.Format = "dir"
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}
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fileInfo.Format = strings.ToLower(fileInfo.Format)
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if fileInfo.IsDir && isRecurve {
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if fileInfo.FileList, err = f.ReadDirFileList(fileInfo.AbsolutePath, ignoreHiddenFile, isRecurve); nil != err {
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return result, err
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}
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}
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result = append(result, fileInfo)
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}
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return result, nil
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}
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// ReadFileListRecurve 递归读取文件内容
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 15:26 2023/7/31
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func (f *file) ReadFileListRecurve(rootDir string) ([]*define.FileInfo, error) {
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return nil, nil
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}
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