🎉 初始化项目

Signed-off-by: Echo <1711788888@qq.com>

server/service/app/upload.go

@@ -0,0 +1,49 @@
+package app
+
+import (
+	"errors"
+	"mime/multipart"
+	"strings"
+
+	"git.echol.cn/loser/st/server/global"
+	"git.echol.cn/loser/st/server/utils/upload"
+	"go.uber.org/zap"
+)
+
+type UploadService struct{}
+
+// UploadImage 上传图片到 OSS
+// 返回图片的访问 URL
+func (s *UploadService) UploadImage(header *multipart.FileHeader) (string, error) {
+	// 验证文件类型
+	if !isImageFile(header.Filename) {
+		return "", errors.New("只支持图片格式：jpg, jpeg, png, gif, webp")
+	}
+
+	// 验证文件大小（限制 10MB）
+	if header.Size > 10*1024*1024 {
+		return "", errors.New("图片大小不能超过 10MB")
+	}
+
+	// 使用 OSS 上传
+	oss := upload.NewOss()
+	filePath, _, uploadErr := oss.UploadFile(header)
+	if uploadErr != nil {
+		global.GVA_LOG.Error("图片上传失败", zap.Error(uploadErr))
+		return "", errors.New("图片上传失败")
+	}
+
+	return filePath, nil
+}
+
+// isImageFile 检查是否为图片文件
+func isImageFile(filename string) bool {
+	ext := strings.ToLower(filename[strings.LastIndex(filename, ".")+1:])
+	imageExts := []string{"jpg", "jpeg", "png", "gif", "webp"}
+	for _, validExt := range imageExts {
+		if ext == validExt {
+			return true
+		}
+	}
+	return false
+}