response.setHeader("Content-disposition", "attachment; filename=\" haha.txt \"");
PrintWriter pw = null;
pw =response.getWriter();
pw.print("haha......");
pw.close();试一试这段代码吧。
PrintWriter pw = null;
pw =response.getWriter();
pw.print("haha......");
pw.close();试一试这段代码吧。
response.setContentType("application/x-download");