refactor: 使用环境变量代替IP哈希生成节点ID

db/gfdb/gfdb.go

@@ -5,7 +5,6 @@ import (
 	"database/sql"
 	"encoding/json"
 	"fmt"
-	"hash/fnv"
 	"regexp"
 	"strings"
 	"time"
@@ -18,6 +17,7 @@ import (
 	"github.com/gogf/gf/v2/database/gredis"
 	"github.com/gogf/gf/v2/frame/g"
 	"github.com/gogf/gf/v2/os/gcache"
+	"github.com/gogf/gf/v2/os/genv"
 	"github.com/gogf/gf/v2/os/glog"
 	"github.com/gogf/gf/v2/text/gstr"
 	"github.com/gogf/gf/v2/util/gconv"
@@ -158,37 +158,18 @@ func catchSQLHook() gdb.HookHandler {
 	}
 }
 
-func getNodeIdFromIPPort(ctx context.Context) int64 {
-	// 获取本地IP
-	ip, err := utils.GetLocalIP()
-	if err != nil {
-		return 0
-	}
-	// 获取端口
-	port := g.Cfg().MustGet(ctx, "server.address").String()
-	// 拼接字符串
-	addr := fmt.Sprintf("%s%s", ip, port)
-
-	// 计算哈希（保证唯一且稳定）
-	h := fnv.New64a()
-	h.Write([]byte(addr))
-	hashVal := h.Sum64()
-
-	// 取模 1024 → 得到 0~1023 的合法 node
-	return int64(hashVal % 1024)
-}
-
 // ==================== Insert钩子 ====================
-
 func insertHook(ctx context.Context, in *gdb.HookInsertInput) (result sql.Result, err error) {
 	userInfo, err := utils.GetUserInfo(ctx)
 	if err != nil {
 		return nil, err
 	}
-	nodeId := getNodeIdFromIPPort(ctx)
-	if nodeId == 0 {
-		return nil, fmt.Errorf("nodeId cannot be empty")
+
+	nodeId := genv.Get("APP_NODE", "").Int64()
+	if g.IsEmpty(nodeId) {
+		nodeId = 1
 	}
+
 	node, err := snowflake.NewNode(nodeId)
 	if err != nil {
 		return nil, err