Method UploadCover

controllers/BookController.go:418–534

上传书籍封面.

()

// 上传书籍封面.
func (this *BookController) UploadCover() {

	bookResult, err := this.IsPermission()
	if err != nil {
		this.JsonResult(6001, err.Error())
	}

	book, err := models.NewBook().Find(bookResult.BookId)
	if err != nil {
		logs.Error("SaveBook => ", err)
		this.JsonResult(6002, err.Error())
	}

	file, moreFile, err := this.GetFile("image-file")
	if err != nil {
		logs.Error("", err.Error())
		this.JsonResult(500, "读取文件异常")
	}

	defer file.Close()

	ext := filepath.Ext(moreFile.Filename)

	if !strings.EqualFold(ext, ".png") && !strings.EqualFold(ext, ".jpg") && !strings.EqualFold(ext, ".gif") && !strings.EqualFold(ext, ".jpeg") {
		this.JsonResult(500, "不支持的图片格式")
	}
	//
	x1, _ := strconv.ParseFloat(this.GetString("x"), 10)
	y1, _ := strconv.ParseFloat(this.GetString("y"), 10)
	w1, _ := strconv.ParseFloat(this.GetString("width"), 10)
	h1, _ := strconv.ParseFloat(this.GetString("height"), 10)

	x := int(x1)
	y := int(y1)
	width := int(w1)
	height := int(h1)

	fileName := strconv.FormatInt(time.Now().UnixNano(), 16)

	filePath := filepath.Join("uploads", time.Now().Format("200601"), fileName+ext)

	path := filepath.Dir(filePath)

	os.MkdirAll(path, os.ModePerm)

	err = this.SaveToFile("image-file", filePath)

	if err != nil {
		logs.Error("", err)
		this.JsonResult(500, "图片保存失败")
	}
	if utils.StoreType != utils.StoreLocal {
		defer func(filePath string) {
			os.Remove(filePath)
		}(filePath)
	}

	//剪切图片