下载文件
// 得到文件名字和路径String fileName = (String)request.getAttribute("fileName");
String filepath = (String)request.getAttribute("urlpath")+"\\"+ fileName;
// 设置响应头和下载保存的文件名
response.setContentType("APPLICATION/OCTET-STREAM");
//response.setContentType("text/html; charset=utf-8");
response.setHeader("Content-Disposition","attachment; filename=\""+fileName+ "\"");
//response.setHeader("Content-Disposition","attachment; filename=读文件.txt");
int n = 0;
java.io.FileInputStream fis = null;
java.io.PrintWriter oo=null;
try
{
fis = new java.io.FileInputStream(filepath);
oo =new java.io.PrintWriter(response.getWriter());
while ((n=fis.read())!=-1)
{
oo.write(n);
}
}
catch (Exception e)
{
e.printStackTrace() ;
}
finally
{
if (!(fis==null))
{
oo.close();
oo = null;
fis.close();
fis = null;
}
System.gc();
}
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