Handle file data, will deal with a variety of documents into the form of hexadecimal code saved to the file, each separated by commas between, can be directly copied to the array.

• 处理文件数据；将各种文件的内容处理成十六进制码的形式保存到文件；每个数之间用逗号隔开；可直接将其复制到数组中.