添加StaticFile

http_binding/http_binding.go

@@ -87,6 +87,10 @@ func Static(b *Binding, item *StaticBindItem) {
 	item.bind(b.routerGroup)
 }
 
+func StaticFile(b *Binding, item *StaticFileBindItem) {
+	item.bind(b.routerGroup)
+}
+
 // SimpleBindItem  路由条目
 type SimpleBindItem[I any, O any] struct {
 	Path                string               // 请求路径
@@ -207,3 +211,17 @@ func (item *StaticBindItem) bind(routerGroup *gin.RouterGroup) {
 		routerGroup.Static(item.RelativePath, item.Root)
 	}
 }
+
+type StaticFileBindItem struct {
+	RelativePath string
+	FilePath     string
+	WithBasePath bool
+}
+
+func (item *StaticFileBindItem) bind(routerGroup *gin.RouterGroup) {
+	if item.WithBasePath {
+		routerGroup.StaticFile(strings.TrimPrefix(item.RelativePath, routerGroup.BasePath()), item.FilePath)
+	} else {
+		routerGroup.StaticFile(item.RelativePath, item.FilePath)
+	}
+}