修改

pkg/logic/upload.go

@@ -48,6 +48,19 @@ func ReadOrientation(filename string) (direct int, err error) {
 	return
 }
 
+// 旋转90度
+func Rotate90(m image.Image) image.Image {
+	rotate90 := image.NewRGBA(image.Rect(0, 0, m.Bounds().Dy(), m.Bounds().Dx()))
+	// 矩阵旋转
+	for x := m.Bounds().Min.Y; x < m.Bounds().Max.Y; x++ {
+		for y := m.Bounds().Max.X - 1; y >= m.Bounds().Min.X; y-- {
+			//  设置像素点
+			rotate90.Set(m.Bounds().Max.Y-x, y, m.At(y, x))
+		}
+	}
+	return rotate90
+}
+
 // 旋转90度
 func rotate90(m image.Image) image.Image {
 	rotate90 := image.NewRGBA(image.Rect(0, 0, m.Bounds().Dy(), m.Bounds().Dx()))
@@ -158,3 +171,32 @@ func (u *Upload) PutBos(filePath string, mediaType string, needRemove bool) (url
 	url = fmt.Sprintf("%s/%s", config.ConfigData.Oss.CdnHost, objectName)
 	return
 }
+
+func MakeThumbnailDefault90(imagePath, savePath string) error {
+	prefix := strings.ToLower(path.Ext("./2.jpg"))
+
+	file, _ := os.Open(imagePath)
+	defer file.Close()
+	img, _, err := image.Decode(file)
+	if err != nil {
+		return err
+	}
+	img = rotate90(img)
+	newImg, _ := os.Create(savePath)
+	defer newImg.Close()
+	switch prefix {
+	case ".jpg", ".jpeg":
+		err = jpeg.Encode(newImg, img, &jpeg.Options{Quality: 100})
+	case "png":
+		err = png.Encode(newImg, img)
+	case "bmp":
+		err = bmp.Encode(newImg, img)
+	default:
+		err = jpeg.Encode(newImg, img, &jpeg.Options{Quality: 100})
+	}
+	if err != nil {
+		logger.Error("Encode err", err)
+		return err
+	}
+	return nil
+}

pkg/model/common.go

@@ -8,6 +8,7 @@ const (
 	MediaPath         = "./runtime/"
 	TplPath           = "./data/"
 	ImgActionRotate   = "rotate"   //旋转
+	ImgActionRotate90 = "rotate90" //旋转
 	MediaTypeVideo    = "video"
 	MediaTypeImage    = "video"
 )

pkg/service/upload/upload.go

@@ -135,6 +135,16 @@ func UploadImg(c *gin.Context) {
 			_ = os.Remove(dst)
 			dst = newDst
 		}
+	} else if action == model.ImgActionRotate90 {
+		fileFullName = fmt.Sprintf("%s%s", filename, fileExt)
+		newDst := fmt.Sprintf("%s/%s_rotate%v", imgPath, filename, fileExt)
+		if err = logic.MakeThumbnailDefault90(dst, newDst); err != nil {
+			//ResponseQuickMsg(c, e.Failed, e.GetMsg(e.ERROR_ROTATE_IMG), nil)
+			//return
+		} else {
+			_ = os.Remove(dst)
+			dst = newDst
+		}
 	}
 	//localUrl := fmt.Sprintf("%s/%s/%s/%s/%s", config.ServerDM, BaseRoute, source, mask, fileFullName)
 	var data map[string]string = make(map[string]string, 2)