要每一行都有注解的,详细点 。具体点就是每一行都什么功能
我明天急用啊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.*;
public class HtmlBrowser extends JFrame {
JPanel contentPane;
BorderLayout borderLayoutAll = new BorderLayout();
JLabel jLabelPrompt = new JLabel();
JPanel jPanelMain = new JPanel();
BorderLayout borderLayoutMain = new BorderLayout();
JTextField textFieldURL = new JTextField();
JEditorPane jEditorPane = new JEditorPane(); public HtmlBrowser() {
try {
jbInit();
}
catch(Exception e) {
e.printStackTrace();
}
}private void jbInit() throws Exception {
contentPane = (JPanel)getContentPane();
contentPane.setLayout(borderLayoutAll);
jPanelMain.setLayout(borderLayoutMain);
jLabelPrompt.setText("请输入URL");
textFieldURL.setText(""); // 清空文本框
textFieldURL.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(ActionEvent e) {
textFieldURL_actionPerformed(e); }
});
jEditorPane.setEditable(false);
jEditorPane.addHyperlinkListener(new javax.swing.event.HyperlinkListener() {
public void hyperlinkUpdate(HyperlinkEvent e) {
jEditorPane_hyperlinkUpdate(e);
}
});
JScrollPane scrollPane = new JScrollPane();
scrollPane.getViewport().add(jEditorPane);
jPanelMain.add(textFieldURL, "North");
jPanelMain.add(scrollPane, "Center");
contentPane.add(jLabelPrompt, "North");
contentPane.add(jPanelMain, "Center");
enableEvents(AWTEvent.WINDOW_EVENT_MASK);
this.setSize(new Dimension(600, 500));
this.setTitle("迷你IE ");
this.setVisible(true);
}void textFieldURL_actionPerformed(ActionEvent e) { try {
jEditorPane.setPage(textFieldURL.getText());
}
catch(IOException ex) {
JOptionPane msg = new JOptionPane();
JOptionPane.showMessageDialog(this, "URL地址不正确:"+textFieldURL.getText(), "输入不正确!", 0);
}
}void jEditorPane_hyperlinkUpdate(HyperlinkEvent e) {
if(e.getEventType() == javax.swing.event.HyperlinkEvent.EventType.ACTIVATED) {
try {
URL url = e.getURL();
jEditorPane.setPage(url);
textFieldURL.setText(url.toString());
}
catch(IOException io){
JOptionPane msg = new JOptionPane();
JOptionPane.showMessageDialog(this, "打开该链接失败!", "输入不正确!", 0);
}
}
}protected void processWindowEvent(WindowEvent e) { super.processWindowEvent(e);
if (e.getID() == WindowEvent.WINDOW_CLOSING) {
System.exit(0);
}
}public static void main(String[] args) {
new HtmlBrowser();
}
}
我明天急用啊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.*;
public class HtmlBrowser extends JFrame {
JPanel contentPane;
BorderLayout borderLayoutAll = new BorderLayout();
JLabel jLabelPrompt = new JLabel();
JPanel jPanelMain = new JPanel();
BorderLayout borderLayoutMain = new BorderLayout();
JTextField textFieldURL = new JTextField();
JEditorPane jEditorPane = new JEditorPane(); public HtmlBrowser() {
try {
jbInit();
}
catch(Exception e) {
e.printStackTrace();
}
}private void jbInit() throws Exception {
contentPane = (JPanel)getContentPane();
contentPane.setLayout(borderLayoutAll);
jPanelMain.setLayout(borderLayoutMain);
jLabelPrompt.setText("请输入URL");
textFieldURL.setText(""); // 清空文本框
textFieldURL.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(ActionEvent e) {
textFieldURL_actionPerformed(e); }
});
jEditorPane.setEditable(false);
jEditorPane.addHyperlinkListener(new javax.swing.event.HyperlinkListener() {
public void hyperlinkUpdate(HyperlinkEvent e) {
jEditorPane_hyperlinkUpdate(e);
}
});
JScrollPane scrollPane = new JScrollPane();
scrollPane.getViewport().add(jEditorPane);
jPanelMain.add(textFieldURL, "North");
jPanelMain.add(scrollPane, "Center");
contentPane.add(jLabelPrompt, "North");
contentPane.add(jPanelMain, "Center");
enableEvents(AWTEvent.WINDOW_EVENT_MASK);
this.setSize(new Dimension(600, 500));
this.setTitle("迷你IE ");
this.setVisible(true);
}void textFieldURL_actionPerformed(ActionEvent e) { try {
jEditorPane.setPage(textFieldURL.getText());
}
catch(IOException ex) {
JOptionPane msg = new JOptionPane();
JOptionPane.showMessageDialog(this, "URL地址不正确:"+textFieldURL.getText(), "输入不正确!", 0);
}
}void jEditorPane_hyperlinkUpdate(HyperlinkEvent e) {
if(e.getEventType() == javax.swing.event.HyperlinkEvent.EventType.ACTIVATED) {
try {
URL url = e.getURL();
jEditorPane.setPage(url);
textFieldURL.setText(url.toString());
}
catch(IOException io){
JOptionPane msg = new JOptionPane();
JOptionPane.showMessageDialog(this, "打开该链接失败!", "输入不正确!", 0);
}
}
}protected void processWindowEvent(WindowEvent e) { super.processWindowEvent(e);
if (e.getID() == WindowEvent.WINDOW_CLOSING) {
System.exit(0);
}
}public static void main(String[] args) {
new HtmlBrowser();
}
}
而且像这行处么:
try {建议:楼主说明一下,主要部分写就可以了,剩余自己加呀
/**
* The extends classes
*/
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.*;
public class HtmlBrowser extends JFrame {
JPanel contentPane; //控件面板容器
BorderLayout borderLayoutAll = new BorderLayout();//画面布局
JLabel jLabelPrompt = new JLabel(); //标签
JPanel jPanelMain = new JPanel();//主面板
BorderLayout borderLayoutMain = new BorderLayout();//画面布局
JTextField textFieldURL = new JTextField(); //URL输入文本
JEditorPane jEditorPane = new JEditorPane(); //文本框/**
*构造函数
*初始化
*/
public HtmlBrowser() {
try {
jbInit();
}
catch(Exception e) {
e.printStackTrace();
}
}private void jbInit() throws Exception {
contentPane = (JPanel)getContentPane();
contentPane.setLayout(borderLayoutAll);
jPanelMain.setLayout(borderLayoutMain);
jLabelPrompt.setText("请输入URL");
textFieldURL.setText(""); // 清空文本框
textFieldURL.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(ActionEvent e) {
textFieldURL_actionPerformed(e); }
});
jEditorPane.setEditable(false);
jEditorPane.addHyperlinkListener(new javax.swing.event.HyperlinkListener() {
public void hyperlinkUpdate(HyperlinkEvent e) {
jEditorPane_hyperlinkUpdate(e);
}
});
//画面设置
JScrollPane scrollPane = new JScrollPane();
scrollPane.getViewport().add(jEditorPane);
jPanelMain.add(textFieldURL, "North");
jPanelMain.add(scrollPane, "Center");
contentPane.add(jLabelPrompt, "North");
contentPane.add(jPanelMain, "Center");
enableEvents(AWTEvent.WINDOW_EVENT_MASK);
this.setSize(new Dimension(600, 500));
this.setTitle("迷你IE ");
this.setVisible(true);
}void textFieldURL_actionPerformed(ActionEvent e) { try {
jEditorPane.setPage(textFieldURL.getText());
}
catch(IOException ex) {
JOptionPane msg = new JOptionPane();
JOptionPane.showMessageDialog(this, "URL地址不正确:"+textFieldURL.getText(), "输入不正确!", 0);
}
}void jEditorPane_hyperlinkUpdate(HyperlinkEvent e) {
if(e.getEventType() == javax.swing.event.HyperlinkEvent.EventType.ACTIVATED) {
try {
URL url = e.getURL(); //获取连接
jEditorPane.setPage(url);
textFieldURL.setText(url.toString()); //连接地址
}
catch(IOException io){
JOptionPane msg = new JOptionPane();//新建消息窗口
JOptionPane.showMessageDialog(this, "打开该链接失败!", "输入不正确!", 0);//弹出错误信息
}
}
}/**
* 关闭窗口
*/
protected void processWindowEvent(WindowEvent e) { super.processWindowEvent(e);
if (e.getID() == WindowEvent.WINDOW_CLOSING) {
System.exit(0); //退出系统
}
}public static void main(String[] args) {
new HtmlBrowser();
}
}
*
*画面初始化设置。
*/private void jbInit() throws Exception {
contentPane = (JPanel)getContentPane();
contentPane.setLayout(borderLayoutAll);
jPanelMain.setLayout(borderLayoutMain);
jLabelPrompt.setText("请输入URL");
textFieldURL.setText(""); // 清空文本框
textFieldURL.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(ActionEvent e) {
textFieldURL_actionPerformed(e); }
});
jEditorPane.setEditable(false);
jEditorPane.addHyperlinkListener(new javax.swing.event.HyperlinkListener() {
public void hyperlinkUpdate(HyperlinkEvent e) {
jEditorPane_hyperlinkUpdate(e);
}