java swing 内置浏览器打开网页显示flash图表-swt Browser应用

今天在网上找了好久如何用在java swing打开网页，从而实现显示网页图表的效果，功夫不负有心人，终于搞定了，下面把所用的类和swt.jar整理了一下，方便有需要的朋友使用。

用到的swt.jar下载

调用网页的Browser要结合现有的java控件使用，一下是结合panel定义的类(SWTPane.java)：

 

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/*

 * To change this template, choose Tools | Templates

 * and open the template in the editor.

 */ 

package desktopapplicationmenu.comm; 

   

import java.awt.BorderLayout; 

import java.awt.Canvas; 

import java.awt.Panel; 

import org.eclipse.swt.SWT; 

import org.eclipse.swt.awt.SWT_AWT; 

import org.eclipse.swt.browser.Browser; 

import org.eclipse.swt.layout.FillLayout; 

   

import org.eclipse.swt.widgets.Display; 

import org.eclipse.swt.widgets.Shell; 

   

/**

 *

 * @author liujl

 */ 

public class SWTPane extends Panel { 

   

    DisplayThread displayThread; 

    private Canvas canvas; 

   

    public SWTPane() { 

        displayThread = new DisplayThread(); 

        displayThread.start(); 

        canvas = new Canvas(); 

        setLayout(new BorderLayout()); 

        add(canvas, BorderLayout.CENTER); 

    } 

 public static void main(String args[]) throws Exception { 

   

     java.awt.EventQueue.invokeLater(new Runnable() { 

   

            public void run() { 

                new SWTPane().setVisible(true); 

            } 

        }); 

        

 } 

    public void addNotify() { 

        super.addNotify(); 

        Display dis = displayThread.getDisplay(); 

        dis.syncExec(new Runnable() { 

   

            public void run() { 

                Shell shell = SWT_AWT.new_Shell(displayThread.getDisplay(), canvas); 

                shell.setLayout(new FillLayout()); 

                final Browser browser = new Browser(shell, SWT.NONE); 

                browser.setLayoutData(BorderLayout.CENTER); 

                browser.setUrl("http://www.my400800.cn"); 

            } 

        }); 

    } 

} 

 

里面为了防止在打开网页的时候出现错误，封装了一下Thread类，定义如下(DisplayThread.java)：

 

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/*

 * To change this template, choose Tools | Templates

 * and open the template in the editor.

 */

package desktopapplicationmenu.comm;

 

import org.eclipse.swt.widgets.Display;

 

/**

 *

 * @author liul

 */

public class DisplayThread extends Thread {

 

    private Display display;

    Object sem = new Object();

 

    public void run() {

        synchronized (sem) {

            display = Display.getDefault();

            sem.notifyAll();

        }

        swtEventLoop();

    }

 

    private void swtEventLoop() {

        while (true) {

            if (!display.readAndDispatch()) {

                display.sleep();

            }

        }

    }

 

    public Display getDisplay() {

        try {

            synchronized (sem) {

                while (display == null) {

                    sem.wait();

                }

                return display;

            }

        } catch (Exception e) {

            return null;

        }

    }

}

调用方法

        SWTPane jbtn_Sel = new SWTPane();
        jPanel1.add(jbtn_Sel);
        jbtn_Sel.setBounds(1, 1, 600, 600);