发布v2.18.6版本，更新内容请查看：https://github.com/bufanyun/hotgo/blob/v2.0/docs/guide-zh-CN/start-update-log.md

server/internal/logic/common/upload.go

@@ -1,17 +1,24 @@
 // Package common
 // @Link  https://github.com/bufanyun/hotgo
-// @Copyright  Copyright (c) 2023 HotGo CLI
+// @Copyright  Copyright (c) 2025 HotGo CLI
 // @Author  Ms <133814250@qq.com>
 // @License  https://github.com/bufanyun/hotgo/blob/master/LICENSE
 package common
 
 import (
 	"context"
-	"github.com/gogf/gf/v2/net/ghttp"
 	"hotgo/internal/library/storager"
 	"hotgo/internal/model/input/sysin"
 	"hotgo/internal/service"
+	"hotgo/utility/file"
 	"hotgo/utility/format"
+	"time"
+
+	"github.com/gogf/gf/v2/errors/gerror"
+	"github.com/gogf/gf/v2/frame/g"
+	"github.com/gogf/gf/v2/net/ghttp"
+	"github.com/gogf/gf/v2/text/gstr"
+	"github.com/gogf/gf/v2/util/grand"
 )
 
 type sCommonUpload struct{}
@@ -60,3 +67,38 @@ func (s *sCommonUpload) UploadPart(ctx context.Context, in *sysin.UploadPartInp)
 	res.UploadPartModel = data
 	return
 }
+
+// ImageTransferStorage 图片链接转存
+func (s *sCommonUpload) ImageTransferStorage(ctx context.Context, in *sysin.ImageTransferStorageInp) (res *sysin.ImageTransferStorageModel, err error) {
+	if !gstr.HasPrefix(in.Url, "http://") && !gstr.HasPrefix(in.Url, "https://") {
+		return nil, gerror.New("仅支持 HTTP/HTTPS 协议的图片链接")
+	}
+
+	resp, err := g.Client().SetTimeout(time.Second*30).Get(ctx, in.Url)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Close()
+
+	if resp.StatusCode != 200 {
+		return nil, gerror.Newf("请求图片资源失败, StatusCode:%v", resp.StatusCode)
+	}
+
+	contentType := gstr.ToLower(resp.Header.Get("Content-Type"))
+	if !gstr.HasPrefix(contentType, "image/") {
+		return nil, gerror.New("资源不是图片类型")
+	}
+
+	content := resp.ReadAll()
+	if len(content) == 0 {
+		return nil, gerror.New("图片内容为空")
+	}
+
+	res = new(sysin.ImageTransferStorageModel)
+	fileHeader, err := file.NewMultipartFileHeader("its-"+grand.Letters(8)+".png", content)
+	if err != nil {
+		return nil, gerror.Newf("创建文件头失败：%v", err)
+	}
+	res.AttachmentListModel, err = s.UploadFile(ctx, storager.KindImg, &ghttp.UploadFile{FileHeader: fileHeader})
+	return
+}