packageutilsimport("github.com/bwmarrin/snowflake")//生成新IDvarsnowFlakeNode*snowflake.NodefuncNewSnowflakeId()(int64,error){ifsnowFlakeNode==nil{node,err:=snowflake.NewNode(1)iferr!=nil{return0,err}snowFlakeNode=node}// Generate a snowflake ID.id:=snowFlakeNode.Generate()returnid.Int64(),nil}