Files
eiblog/tools/tools.go
2021-04-27 14:02:52 +08:00

105 lines
2.4 KiB
Go

// Package tools provides ...
package tools
import (
"crypto/sha256"
"fmt"
"io"
"io/ioutil"
"path"
"time"
)
// EncryptPasswd encrypt password
func EncryptPasswd(name, pass string) string {
salt := "%$@w*)("
h := sha256.New()
io.WriteString(h, name)
io.WriteString(h, salt)
io.WriteString(h, pass)
return fmt.Sprintf("%x", h.Sum(nil))
}
// ReadDirFiles 读取目录
func ReadDirFiles(dir string, filter func(name string) bool) (files []string) {
fileInfos, err := ioutil.ReadDir(dir)
if err != nil {
return
}
for _, fi := range fileInfos {
if filter(fi.Name()) {
continue
}
if fi.IsDir() {
files = append(files, ReadDirFiles(path.Join(dir, fi.Name()), filter)...)
continue
}
files = append(files, path.Join(dir, fi.Name()))
}
return
}
// 2016-10-22T07:03:01
const (
JUST_NOW = "几秒前"
MINUTES_AGO = "%d分钟前"
HOURS_AGO = "%d小时前"
DAYS_AGO = "%d天前"
MONTH_AGO = "%d月前"
YEARS_AGO = "%d年前"
)
// ConvertStr 时间转换为间隔
func ConvertStr(str string) string {
t, err := time.ParseInLocation("2006-01-02T15:04:05", str, time.UTC)
if err != nil {
return JUST_NOW
}
now := time.Now().UTC()
y1, m1, d1 := t.Date()
y2, m2, d2 := now.Date()
h1, mi1, s1 := t.Clock()
h2, mi2, s2 := now.Clock()
if y := y2 - y1; y > 1 || (y == 1 && m2-m1 >= 0) {
return fmt.Sprintf(YEARS_AGO, y)
} else if m := y*12 + int(m2-m1); m > 1 || (m == 1 && d2-d1 >= 0) {
return fmt.Sprintf(MONTH_AGO, m)
} else if d := m*dayIn(y1, m1) + d2 - d1; d > 1 || (d == 1 && h2-h1 >= 0) {
return fmt.Sprintf(DAYS_AGO, d)
} else if h := d*24 + h2 - h1; h > 1 || (h == 1 && mi2-mi1 >= 0) {
return fmt.Sprintf(HOURS_AGO, h)
} else if mi := h*60 + mi2 - mi1; mi > 1 || (mi == 1 && s2-s1 >= 0) {
return fmt.Sprintf(MINUTES_AGO, mi)
}
return JUST_NOW
}
// dayIn 获取天数
func dayIn(year int, m time.Month) int {
if m == time.February && isLeapYear(year) {
return 29
}
return monthToDays[m]
}
// monthToDays 月份转换
var monthToDays = map[time.Month]int{
time.January: 31,
time.February: 28,
time.March: 31,
time.April: 30,
time.May: 31,
time.June: 30,
time.July: 31,
time.August: 31,
time.September: 30,
time.October: 31,
time.November: 30,
time.December: 31,
}
// isLeapYear是否是闰年
func isLeapYear(year int) bool {
return year%4 == 0 && (year%100 != 0 || year%400 == 0)
}