Detailed explanation of the solution to garbled file names in Java downloads

How to download garbled file names in java: (Recommended: java video tutorial)

Each browser has different encoding, Firefox uses What is base64.ie and Google use url encoding:

So when we set the response header

Content-Type getServletContext().getMineType(filename);
Content-Disposition accachment;filename=编码后的filename

url encoding

name = URLEncoder.encode(filename, "UTF-8");

base64 Coding

/**
传入文件的名称，进行Base64编码@param fileName@return
*/
public String base64EncodeFileName(String fileName) {
BASE64Encoder base64Encoder = new BASE64Encoder();
try {
return "=?UTF-8?B?"new String(base64Encoder.encode(fileName
.getBytes("UTF-8"))) + "?=";
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
throw new RuntimeException(e);
}
}

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