HTTP請求頭圖片打開
阿新 • • 發佈：2018-04-17
HTTP請求頭圖片打開
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
//圖片壓縮
public class Demo2 extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
//通知瀏覽器打開一副圖片
response.setHeader("content-type", "image/jpeg");
InputStream is = new FileInputStream(new File("D:/TOOL/MyEclipseSpace/day04/WebRoot/images/cc.jpg"));
OutputStream os = response.getOutputStream();
byte[] buf = new byte[1024];
int len = 0;
while((len = is.read(buf)) > 0)
{
os.write(buf,0,len);
}
is.close();
os.close();
}
}
HTTP請求頭圖片打開