interface.java

一个基于J2EE开发的BROWSER,具体什么功能,朋友们下载看了就知道了.是个网站系统来的.

/*
 * Interface.java
 *
 * Created on 2006年6月15日, 上午11:30
 */

package browser;

import java.io.IOException;
import java.net.URL;
import javax.swing.*;
import javax.swing.text.Document;
import javax.swing.text.JTextComponent;
import java.awt.*;
import java.awt.event.*;
import javax.swing.event.*;
import java.util.*;

/**
 *
 *
 * @author  GuTi
 */
public class Interface extends javax.swing.JFrame {
    
     ArrayList history = new ArrayList();
     static int currentHistoryPage = -1;
     static int max = 0;
//     static final int MAX_HISTORY = 50;
        
    /** Creates new form Interface */
    public Interface() {
        initComponents();
       

        
    }
    
    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    // <editor-fold defaultstate="collapsed" desc=" 生成的代码 ">//GEN-BEGIN:initComponents
    private void initComponents() {
        jPanel1 = new javax.swing.JPanel();
        jLabel1 = new javax.swing.JLabel();
        jTextField1 = new javax.swing.JTextField();
        jButton1 = new javax.swing.JButton();
        jButton2 = new javax.swing.JButton();
        jButton3 = new javax.swing.JButton();
        jButton4 = new javax.swing.JButton();
        jButton5 = new javax.swing.JButton();
        jScrollPane2 = new javax.swing.JScrollPane();
        jEditorPane1 = new javax.swing.JEditorPane();
        jMenuBar1 = new javax.swing.JMenuBar();
        jMenu1 = new javax.swing.JMenu();
        jMenuItem1 = new javax.swing.JMenuItem();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        jLabel1.setText("\u8f93\u5165\u8981\u8bbf\u95ee\u7684URL\uff1a");

        jTextField1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jTextField1ActionPerformed(evt);
            }
        });

        jButton1.setText("\u786e\u5b9a");
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });

        jButton2.setText("\u5237\u65b0");
        jButton2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton2ActionPerformed(evt);
            }
        });

        jButton3.setText("\u5173\u95ed");
        jButton3.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton3ActionPerformed(evt);
            }
        });

        jButton4.setText("\u540e\u9000");
        jButton4.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton4ActionPerformed(evt);
            }
        });

        jButton5.setText("\u524d\u8fdb");
        jButton5.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton5ActionPerformed(evt);
            }
        });

        org.jdesktop.layout.GroupLayout jPanel1Layout = new org.jdesktop.layout.GroupLayout(jPanel1);
        jPanel1.setLayout(jPanel1Layout);
        jPanel1Layout.setHorizontalGroup(
            jPanel1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(jPanel1Layout.createSequentialGroup()
                .addContainerGap()
                .add(jPanel1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
                    .add(jPanel1Layout.createSequentialGroup()
                        .add(jTextField1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 364, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
                        .add(jButton1)
                        .add(23, 23, 23)
                        .add(jButton2)
                        .add(19, 19, 19)
                        .add(jButton4, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 60, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                        .add(20, 20, 20)
                        .add(jButton5, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 64, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                        .add(19, 19, 19)
                        .add(jButton3))
                    .add(jLabel1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 189, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
                .addContainerGap(130, Short.MAX_VALUE))
        );
        jPanel1Layout.setVerticalGroup(
            jPanel1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(jPanel1Layout.createSequentialGroup()
                .add(jLabel1)
                .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
                .add(jPanel1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
                    .add(jButton1)
                    .add(jButton2)
                    .add(jTextField1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                    .add(jButton4)
                    .add(jButton5)
                    .add(jButton3))
                .addContainerGap(org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );

        jEditorPane1.setEditable(false);
        jEditorPane1.addHyperlinkListener(new javax.swing.event.HyperlinkListener() {
            public void hyperlinkUpdate(javax.swing.event.HyperlinkEvent evt) {
                jEditorPane1HyperlinkUpdate(evt);
            }
        });

        jScrollPane2.setViewportView(jEditorPane1);

        jMenu1.setText("\u83dc\u5355");
        jMenu1.setAutoscrolls(true);
        jMenu1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenu1ActionPerformed(evt);
            }
        });

        jMenuItem1.setText("\u5173\u4e8e");
        jMenuItem1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenuItem1ActionPerformed(evt);
            }
        });

        jMenu1.add(jMenuItem1);

        jMenuBar1.add(jMenu1);

        setJMenuBar(jMenuBar1);

        org.jdesktop.layout.GroupLayout layout = new org.jdesktop.layout.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(jPanel1, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
            .add(layout.createSequentialGroup()
                .add(10, 10, 10)
                .add(jScrollPane2)
                .add(10, 10, 10))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(org.jdesktop.layout.GroupLayout.TRAILING, layout.createSequentialGroup()
                .add(jPanel1, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
                .add(jScrollPane2, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 494, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                .addContainerGap())
        );
        pack();
    }// </editor-fold>//GEN-END:initComponents

    private void jButton5ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton5ActionPerformed
// TODO 将在此处添加您的处理代码：
        if (evt.getSource() == jButton5)
        {   if(max == currentHistoryPage)
                jButton5.setEnabled(false);
            if(max>currentHistoryPage){            
            String url = history.get(++currentHistoryPage).toString();
            try {
                jTextField1.setText(url);
                jEditorPane1.setPage(url);           // 显示URL
                // 如果是历史记录中的第一个页面，那么back按钮不可用
	        if (currentHistoryPage < 1) jButton4.setEnabled(false);