[JAVA100例]018、操纵HTML语言[Java编程]
本文“[JAVA100例]018、操纵HTML语言[Java编程]”是由七道奇为您精心收集,来源于网络转载,文章版权归文章作者所有,本站不对其观点以及内容做任何评价,请读者自行判断,以下是其具体内容:
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
/**
* <p>Title: 在swing中利用html语言</p>
* <p>Description: 这里演示利用html语言在swing面板上构造显示信息</p>
* <p>Copyright: Copyright (c) 2003</p>
* <p>Filename: HtmlDemo.java</p>
* @version 1.0
*/
public class HtmlDemo extends JPanel
implements ActionListener {
JLabel theLabel;
JTextArea htmlTextArea;
/**
*<br>办法阐明:构造器,描写窗体中的成员
*<br>输入参数:
*<br>返回范例:
*/
public HtmlDemo() {
setLayout(new BoxLayout(this, BoxLayout.LINE_AXIS));
String initialText = "<html>\n" +
"颜色和字体测试:\n" +
"<ul>\n" +
"<li><font color=red>red</font>\n" +
"<li><font color=blue>blue</font>\n" +
"<li><font color=green>green</font>\n" +
"<li><font size=-2>small</font>\n" +
"<li><font size=+2>large</font>\n" +
"<li><i>italic</i>\n" +
"<li><b>bold</b>\n" +
"</ul>\n";
//定义一个文本框
htmlTextArea = new JTextArea(10, 20);
htmlTextArea.setText(initialText);
JScrollPane scrollPane = new JScrollPane(htmlTextArea);
//定义按钮
JButton changeTheLabel = new JButton("改变显示");
changeTheLabel.setMnemonic(KeyEvent.VK_C);
changeTheLabel.setAlignmentX(Component.CENTER_ALIGNMENT);
changeTheLabel.addActionListener(this);
//定义标签
theLabel = new JLabel(initialText) {
public Dimension getPreferredSize() {
return new Dimension(200, 200);
}
public Dimension getMinimumSize() {
return new Dimension(200, 200);
}
public Dimension getMaximumSize() {
return new Dimension(200, 200);
}
};
//设置标签的对齐方法
theLabel.setVerticalAlignment(SwingConstants.CENTER);
theLabel.setHorizontalAlignment(SwingConstants.CENTER);
//构造一个带边框的左边的编辑面板
JPanel leftPanel = new JPanel();
leftPanel.setLayout(new BoxLayout(leftPanel, BoxLayout.PAGE_AXIS));
leftPanel.setBorder(BorderFactory.createCompoundBorder(
BorderFactory.createTitledBorder(
"编辑HTML,点击按钮显示后果."),
BorderFactory.createEmptyBorder(10,10,10,10)));
leftPanel.add(scrollPane);
leftPanel.add(Box.createRigidArea(new Dimension(0,10)));
leftPanel.add(changeTheLabel);
//构造一个带边框的右边显示的面板
JPanel rightPanel = new JPanel();
rightPanel.setLayout(new BoxLayout(rightPanel, BoxLayout.PAGE_AXIS));
rightPanel.setBorder(BorderFactory.createCompoundBorder(
BorderFactory.createTitledBorder("这里利用标签显示HTML后果"),
BorderFactory.createEmptyBorder(10,10,10,10)));
rightPanel.add(theLabel);
setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
add(leftPanel);
add(Box.createRigidArea(new Dimension(10,0)));
add(rightPanel);
}
/**
*<br>办法阐明:事件监听,当用户点击按钮触发
*<br>输入参数:
*<br>返回范例:
*/
public void actionPerformed(ActionEvent e) {
theLabel.setText(htmlTextArea.getText());
}
/**
*<br>办法阐明:主办法
*<br>输入参数:
*<br>返回范例:
*/
public static void main(String[] args) {
JFrame.setDefaultLookAndFeelDecorated(true);
//成立窗体
JFrame frame = new JFrame("HtmlDemo");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
//成立面板
JComponent newContentPane = new HtmlDemo();
newContentPane.setOpaque(true);
frame.setContentPane(newContentPane);
//显示窗体
frame.pack();
frame.setVisible(true);
}
}
以上是“[JAVA100例]018、操纵HTML语言[Java编程]”的内容,如果你对以上该文章内容感兴趣,你可以看看七道奇为您推荐以下文章:
本文地址: | 与您的QQ/BBS好友分享! |