确保该图象文件的类型有效(.j pg、。gif、.bmp等等)——否则将出现一个错误，提示文件类型无效。

Make sure this is a valid image type (.jpg,.gif,.bmp, and so on) — otherwise you will get an error stating that an invalid content type was provided.

youdao

确保该图象文件的类型有效(.j pg、。gif、.bmp等等)——否则将出现一个错误，提示文件类型无效。

Make sure this is a valid image type (.jpg,.gif,.bmp, and so on) — otherwise you will get an error stating that an invalid content type was provided.

youdao