bolt 是一个很简单的嵌入式数据库，在为服务中使用很方便，但它操作不够简洁。
youdb 是一个基于bolt 支持 hashmap、zet 数据结构的简单嵌入式数据库。
使用例子：
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package main
import (
"fmt"
"github.com/ego008/youdb"
)
func main() {
db, err := youdb.Open("my.db")
if err != nil {
fmt.Println("open err", err)
return
}
defer db.Close()
// hash
db.Hset("mytest", "key1", []byte("value1"))
rs := db.Hget("mytest", "key1")
if rs.State == "ok" {
fmt.Println(rs.Data[0], rs.String())
} else {
fmt.Println("key not found")
}
dataMap := map[string][]byte{}
dataMap["k1"] = []byte("12987887762987")
dataMap["k2"] = []byte("abc")
dataMap["k3"] = []byte("qwertyui")
dataMap["k4"] = []byte("aaaa")
dataMap["k5"] = []byte("aaaa555")
dataMap["k6"] = []byte("aaaa556")
dataMap["k7"] = []byte("77777")
dataMap["k8"] = []byte("88888")
db.Hmset("myhmset", dataMap)
rs = db.Hmget("myhmset", []string{"k1", "k2", "k3", "k8"})
if rs.State == "ok" {
for _, v := range rs.Data {
fmt.Println(v.Key, v.ValStr())
}
}
fmt.Println(db.Hincr("num", "k1", 2))
// zet
db.Zset("mytest", "key1", 100)
rs2 := db.Zget("mytest", "key1")
if rs2.State == "ok" {
fmt.Println(rs2.Int64())
}
fmt.Println(db.Zincr("num", "k1", 2))
}