refactor: db/redis/mongo连接代码包独立

server/internal/mongo/mgm/conn.go

@@ -0,0 +1,24 @@
+package mgm
+
+import (
+	"context"
+	"mayfly-go/pkg/logx"
+
+	"go.mongodb.org/mongo-driver/mongo"
+)
+
+type MongoConn struct {
+	Id   string
+	Info *MongoInfo
+
+	Cli *mongo.Client
+}
+
+func (mc *MongoConn) Close() {
+	if mc.Cli != nil {
+		if err := mc.Cli.Disconnect(context.Background()); err != nil {
+			logx.Errorf("关闭mongo实例[%s]连接失败: %s", mc.Id, err)
+		}
+		mc.Cli = nil
+	}
+}