osHelper

func CreateDir ¶ added in v1.5.6

func CreateDir(dirName string, perm os.FileMode) error

CreateDir 创建文件夹 perm：755,777

func CreateIfNotExist ¶ added in v1.5.6

func CreateIfNotExist(dirName string, perm os.FileMode) (err error)

CreateIfNotExist 如果目录不存在，则创建

func Delete ¶ added in v1.5.6

func Delete(filePath string) error

Delete 删除指定路径文件夹/文件

func DeleteFiles ¶ added in v1.5.6

func DeleteFiles(filePaths []string) (err error)

DeleteFiles 删除指定路径文件夹/文件

func DownloadFile ¶

func DownloadFile(url string, localPath string, fb func(length, downLen int64)) error

DownloadFile 从url中下载文件

func DownloadFileFromContext ¶ added in v1.5.6

func DownloadFileFromContext(r *http.Request, fieldName, targetPath string) (fileName, filePath string, err error)

DownloadFileFromContext 从请求体中保存文件

func ExistSameNameFile ¶ added in v1.5.6

func ExistSameNameFile(filename string) bool

ExistSameNameFile 判断是否已存在同名文件

func ExistSameSizeFile ¶ added in v1.5.6

func ExistSameSizeFile(filename string, filesize int64) bool

*

• @func: ExistFile 判断文件是否已存在
• @author Wiidz
• @date 2019-11-16

func GetFileBuf ¶

func GetFileBuf(uri string) []byte

func GetFileNameFromLocalPath ¶ added in v1.5.6

func GetFileNameFromLocalPath(localFilePath string) (targetDir, wholeName, fileName, fileType string)

GetFileNameFromLocalPath 从本地路径中提取文件 localFilePath 应该是 /home/www/wwwroot/aaaaa.html 这样

func GetFileString ¶ added in v1.5.6

func GetFileString(uri string) string

func IsDirExist ¶ added in v1.5.6

func IsDirExist(dirPath string) bool

IsDirExist 判断目录是否存在 dirPath 绝对路径，不要以/结尾

func ReadByteFromFile ¶ added in v1.5.6

func ReadByteFromFile(filePath string) (byteData []byte, err error)

ReadByteFromFile 从文件中读取byte数据

func ReadJsonFile ¶

func ReadJsonFile(filePath string, targetStruct interface{}) error

ReadJsonFile 读取json格式的文件

func ReadJsonFileMap ¶ added in v1.5.6

func ReadJsonFileMap(filePath string) map[string]interface{}

ReadJsonFileMap 读取json格式的文件

func SaveStringToFile ¶ added in v1.5.6

func SaveStringToFile(content string, filename string) error

SaveStringToFile 将字符串输出到文件中

func SimpleDownloadFile ¶ added in v1.5.6

func SimpleDownloadFile(url string) (finalFilePath string, err error)

SimpleDownloadFile 简单下载（下载到当前工程目录的/tmp下，记得给权限）