單jsp 截屏, 直接

 

<%@page contentType="text/html;charset=GBK" %><%--@ page language="java" contentType="text/html; charset=U T F-8" pageEncoding="GBK" --%>
<%--
 2011-7-19 14:09:15
 單jsp 服務端截屏
 不依賴其他文件

--%>
<%@page import="java.awt.Dimension" %>
<%@page import="java.awt.Rectangle" %>
<%@page import="java.awt.Robot" %>
<%@page import="java.awt.Toolkit" %>
<%@page import="java.awt.image.BufferedImage" %>
<%@page import="java.io.File" %>
<%@page import="javax.imageio.ImageIO" %>
<%!

/*
import java.awt.Dimension;
import java.awt.Rectangle;
import java.awt.Robot;
import java.awt.Toolkit;
import java.awt.image.BufferedImage;
import java.io.File;
import javax.imageio.ImageIO;
*/

// ntTool.ntSysOut("147:");
// captureScreen("s:\\a.png"); // 耗時 400 ms
// ntTool.ntSysOut("148:");
public static void captureScreen(String fileName)
 throws Exception
{
 Dimension screenSize= Toolkit.getDefaultToolkit().getScreenSize();
 Rectangle screenRectangle= new Rectangle(screenSize);
 Robot robot= new Robot();
 BufferedImage image= robot.createScreenCapture(screenRectangle);
 ImageIO.write(image, "png", new File(fileName));
}
 

%>
<%
 out.clearBuffer(); // 清除前面的空行, 清空:
 response.setContentType("image/png");

 // 截屏
 Dimension screenSize= Toolkit.getDefaultToolkit().getScreenSize();
 Rectangle screenRectangle= new Rectangle(screenSize);
 Robot robot= new Robot();
 BufferedImage image= robot.createScreenCapture(screenRectangle);
 // ImageIO.write(image, "png", new File(fileName));
 ImageIO.write(image, "png", response.getOutputStream()); // 圖像輸出到頁面
 //

 out.flush();
 if( 1==1 )
  return;

%>