package cn.itcast.ResPonse;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class PictureDownload extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String path=this.getServletContext().getRealPath("/download/9.jpg");
String filename=path.substring(path.lastIndexOf("\\")+1);
// System.out.println(filename);
response.setHeader("content-disposition", "attachement;filename="+filename);
InputStream in=null;
OutputStream out=null;
byte [] by=new byte[1024];
int count=0;
in=new FileInputStream(path);
out=response.getOutputStream();
while((count=in.read(by))>0){
out.write(by, 0, count);
}
in.close();
out.close();
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
}
}
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