Encoding Error reported during Ruby on Rails upload

Encoding: undefinedconversionerror in productscontroller # create "\ xFF" from ASCII-8BIT to UTF-8

When uploading a photo using ruby1.9.3, this error is reported.

File. Open ("# {rails. Root}/APP/assets/images/" + new_name, "W") {| file |

File. Write (img_data)

}

For

File. Open ("# {rails. Root}/APP/assets/images/" + new_name, "WB") {| file |

File. Write (img_data)

}

This article from the "monkey riding Tree" blog, please be sure to keep this source http://qihoushangshu.blog.51cto.com/7872138/1549694

Encoding Error reported during Ruby on Rails upload