feat 初次提交

utils/snowflake.go

@@ -0,0 +1,24 @@
+package utils
+
+import (
+	"github.com/bwmarrin/snowflake"
+	"log"
+)
+
+var instance *snowflake.Node
+
+func InitSnowflake(node int64) *snowflake.Node {
+	n, err := snowflake.NewNode(node)
+	if err != nil {
+		log.Fatalf("create snowflake's node failed: %v", err)
+	}
+	instance = n
+	return instance
+}
+
+func SnowflakeInstance() *snowflake.Node {
+	if instance == nil {
+		log.Fatal("snowflake's not init")
+	}
+	return instance
+}