73 lines
1.6 KiB
Go
73 lines
1.6 KiB
Go
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package util
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import (
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"fmt"
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"github.com/gabriel-vasile/mimetype"
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"io/ioutil"
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"log"
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"os"
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"path/filepath"
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"strconv"
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"time"
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)
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// CheckFileIsExist 判断文件是否存在，存在返回 true，不存在返回false
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func CheckFileIsExist(filename string) bool {
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var exist = true
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if _, err := os.Stat(filename); os.IsNotExist(err) {
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exist = false
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}
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return exist
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}
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// WriteByteArraysToFile 写字节数组到文件
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func WriteByteArraysToFile(content []byte, filename string) error {
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return ioutil.WriteFile(filename, content, 0777)
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}
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// String2int 字符串转int
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func String2int(str string) int {
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intValue, err := strconv.Atoi(str)
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if err != nil {
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return 0
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}
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return intValue
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}
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// CreateDir 创建目录
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func CreateDir(dirPath string) bool {
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err := os.Mkdir(dirPath, 0755)
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return err == nil
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}
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// ReadFileMimeInfo 获取文件mime信息
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func ReadFileMimeInfo(filepath string) *mimetype.MIME {
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mt, err := mimetype.DetectFile(filepath)
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if err != nil {
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log.Fatal(err)
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}
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return mt
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}
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// SecondsToHms 将秒数转换为小时、分钟、秒的格式
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func SecondsToHms(seconds int) string {
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t := time.Duration(seconds) * time.Second
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h := t / time.Hour
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t -= h * time.Hour
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m := t / time.Minute
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t -= m * time.Minute
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s := t / time.Second
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return fmt.Sprintf("%02d-%02d-%02d", h, m, s)
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}
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// CalcPercentage 计算percentage相对于total的百分比
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func CalcPercentage(percentage int, total int) int {
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return int(float64(percentage) / float64(total) * 100)
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}
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// 获取文件所在文件夹
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func GetFileDirectory(filePath string) string {
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directoryPath, _ := filepath.Split(filePath)
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return directoryPath
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}
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