一个实现 Twitter SnowFlake 算法 的 Go 分布式 UID 生成器

0               41             51           64
+---------------+----------------+-----------+
|timestamp(ms)  | worker node id | sequence  |
+---------------+----------------+-----------+

id  = timestamp | workerid | sequence (eg. 1451063443347648410)

go get github.com/zheng-ji/goSnowFlake

import (
    "fmt"
    "github.com/zheng-ji/goSnowFlake"
)

func main() {
    // Params: Given the workerId, 0 < workerId < 1024
    iw, err := goSnowFlake.NewIdWorker(1) 
    if err!= nil {
        fmt.Println(err)
    }
    for i := 0; i < 100; i++ {
        if id, err := iw.NextId(); err != nill {
            fmt.Println(id)
        }
    }
}