Files
shop/pkg/upload/image.go
2020-09-26 19:06:41 +08:00

83 lines
1.7 KiB
Go

package upload
import (
"fmt"
"github.com/go-pripro/shop/pkg/file"
"github.com/go-pripro/shop/pkg/logging"
"github.com/go-pripro/shop/pkg/setting"
"github.com/go-pripro/shop/pkg/util"
"log"
"mime/multipart"
"os"
"path"
"strings"
)
// 获取图片完整访问URL
func GetImageFullUrl(name string) string {
return setting.AppSetting.ImagePrefixUrl + "/" + GetImagePath() + name
}
// 获取图片名称
func GetImageName(name string) string {
ext := path.Ext(name)
fileName := strings.TrimSuffix(name, ext)
fileName = util.EncodeMD5(fileName)
return fileName + ext
}
// 获取图片路径
func GetImagePath() string {
return setting.AppSetting.ImageSavePath
}
// 获取图片完整路径
func GetImageFullPath() string {
return setting.AppSetting.RuntimeRootPath + GetImagePath()
}
// 检查图片后缀
func CheckImageExt(fileName string) bool {
ext := file.GetExt(fileName)
for _, allowExt := range setting.AppSetting.ImageAllowExts {
if strings.ToUpper(allowExt) == strings.ToUpper(ext) {
return true
}
}
return false
}
// 检查图片大小
func CheckImageSize(f multipart.File) bool {
size, err := file.GetSize(f)
logging.Info(size)
if err != nil {
log.Println(err)
logging.Warn(err)
return false
}
return size <= setting.AppSetting.ImageMaxSize*1024*1024
}
// 检查图片
func CheckImage(src string) error {
dir, err := os.Getwd()
if err != nil {
return fmt.Errorf("os.Getwd err:%v", err)
}
err = file.IsNotExistMkDir(dir + "/" + src)
if err != nil {
return fmt.Errorf("file.IsNotExistMkDir err: %v", err)
}
perm := file.CheckPermission(src)
if perm == true {
return fmt.Errorf("file.CheckPermission Permission denied src: %s", src)
}
return nil
}