web文件下载，路径或文件名中文乱码 博客分类： webjava

 

/**

* 附件下载

* @param dlPath 文件绝对路径

* @throws Exception 

*/

public void dl(String dlFilePath) throws Exception{

FacesContext context = FacesContext.getCurrentInstance(); 

HttpServletResponse response = (HttpServletResponse)context.getExternalContext().getResponse();

 

ServletContext servletContext = (ServletContext)context.getExternalContext().getContext();

 

String fileFullName = servletContext.getRealPath(dlFilePath);

 

File file = new File(fileFullName);

if(file.isDirectory() || !file.isFile()) return;

response.setContentType("application/x-msdownload"); 

response.setCharacterEncoding("UTF-8");

response.setHeader("Content-Disposition", "attachment; filename=\"" + DataUtil.encodeFileName(file.getName())+"\"");

response.getOutputStream().write(DataUtil.fileToByte(file));

response.getOutputStream().flush();

context.responseComplete();

}