模块化上传驱动，使用泛型优化工具库降低冗余

server/internal/library/storager/config.go

@@ -0,0 +1,22 @@
+package storager
+
+import (
+	"context"
+	"github.com/gogf/gf/v2/database/gdb"
+	"github.com/gogf/gf/v2/frame/g"
+	"hotgo/internal/model"
+)
+
+var config *model.UploadConfig
+
+func SetConfig(c *model.UploadConfig) {
+	config = c
+}
+
+func GetConfig() *model.UploadConfig {
+	return config
+}
+
+func GetModel(ctx context.Context) *gdb.Model {
+	return g.Model("sys_attachment").Ctx(ctx)
+}