golang实现base62编码
2016-07-05 14:15
288 查看
package main import ( "fmt" "math" ) var base = []string {"a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z","A","B","C","D","E","F","G","H","I","J","K","L","M","N","O","P","Q","R","S","T","U","V","W","X","Y","Z","1","2","3","4","5","6","7","8","9","0"} func base62encode(num int) string { baseStr := "" for { if num <= 0 { break } i := num % 62 baseStr += base[i] num = (num - i) / 62 } return baseStr } func base62decode(base62 string) int { rs := 0 len := len(base62) f := flip(base) for i := 0; i < len; i++ { rs += f[string(base62[i])] * int(math.Pow(62, float64(i))) } return rs } func flip(s []string) map[string]int { f := make(map[string]int) for index, value := range s { f[value] = index } return f } func main() { m := base62encode(12645354) fmt.Println(m) fmt.Println(base62decode(m)) }
相关文章推荐
- Google推荐的图片加载库Glide介绍
- 在IntelliJ IDEA14中安装go语言插件
- windows golang开发环境搭建--LiteIDE-最适合Go的IDE
- django开发基本步骤
- googleMap本地化(离线)
- hdu4889Scary Path Finding Algorithm【构造】搞坏spfa-slf 2014多校联合
- 【转载】初识google test
- Try Pangolin(3) - Display
- Unbuntu 16.04LTS 安装sogou 输入法详解
- 常用Category
- 定制个性化Vista的OEM信息及Logo
- gossip协议
- go——搭建Win7下的Go开发环境
- Django Compress setup
- 通过Google+设置壁纸报错
- KK GMS GoolgeCamera应用预置
- Selenium Webdriver元素定位的方式
- golang带cookie post get请求 例子
- poj2762 Going from u to v or from v to u?
- tableau自定义logo