2.中文文件下载：
假 如你的文件名是英文的话，jspsmartupload就可以胜任。但如果你的文件名是中文的话，就只能用下面的方法。这时jspsmartupload 是不能胜任的。以下例子能下载中文文件名（在firefox，ie8,360都通过测试， eclipse内置浏览器不行）：
例 1.2.1
<%@ page contentType="text/html; charset=GBK" %>
<html>
<body >
<A href="http://localhost:8080/ServletHello/MarkToWinServlet?file=ibatis环境搭建.ppt">下 载ibatis环境搭建.ppt</A>
</body>
</html>
package com;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class ServletHello1 extends HttpServlet {
protected void doGet(HttpServletRequest request,
HttpServletResponse response) throws IOException {
java.io.BufferedInputStream bis = null;
java.io.BufferedOutputStream bos = null;
try {
String filenameiso = request.getParameter("file");
System.out.println("filenameiso is " filenameiso);
String filenamegbk = new String(filenameiso.getBytes("iso8859-1"), "GBK");
System.out.println("filenameutf is " filenamegbk);
response.setContentType("application/x-msdownload");
response.setHeader("Content-disposition", "attachment; filename="
filenameiso);
System.out.println("after setHeader");
bis = new java.io.BufferedInputStream(new java.io.FileInputStream(
getServletContext().getRealPath("file/" filenamegbk)));
bos = new java.io.BufferedOutputStream(response.getOutputStream());
System.out.println("after new bis bos ");
byte[] buff = new byte[2048];
int bytesRead;
while (-1 != (bytesRead = bis.read(buff, 0, buff.length))) {
bos.write(buff, 0, bytesRead);
}
System.out.println("after while ");
} catch (Exception e) {
e.printStackTrace();
} finally {
if (bis != null)
bis.close();
if (bos != null)
bos.close();
}
System.out.println("finish ");
}
}
更多请看：https://blog.csdn.net/qq_44638460/article/details/104157358
