!!!画像出力Servlet
[Java]{{category コード片}}
::呼出元
::Web.xml
imageresoruce
rc.ImageResourceServlet
1
imageresoruce
*.irc
::Servlet
package rc;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.OutputStream;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@SuppressWarnings("serial")
public class ImageResourceServlet extends HttpServlet {
private String basedir = "c:\\work\\img\\";
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
byte[] buf = new byte[1024];
String img = request.getParameter("img");
File f = new File(basedir + img);
// 動的ファイルのファイル名を設定
response.setHeader("Cache-Control", "public"); // IE対策
response.setContentType("image/jpeg");
response.setHeader("Content-Disposition", "inline; filename=\"" + f.getName() + "\"");
FileInputStream r = new FileInputStream(f);
OutputStream o = response.getOutputStream();
while (r.read(buf) > 0) {
o.write(buf);
}
o.close();
r.close();
}
}