java下載文件時文件名出現亂碼的解決辦法:
String userAgent = request.getHeader("User-Agent");
String formFileName = file.getFileName();
// 針對IE或者以IE爲內核的瀏覽器:
if (userAgent.contains("MSIE") || userAgent.contains("Trident")) {
formFileName = java.net.URLEncoder.encode(formFileName, "UTF-8");
} else {
// 非IE瀏覽器的處理:
formFileName = new String(formFileName.getBytes("UTF-8"), "ISO-8859-1");
}
response.setHeader("Content-disposition",String.format("attachment; filename=\"%s\"", formFileName));
response.setContentType("multipart/form-data");
response.setCharacterEncoding("UTF-8");