[JAVA100例]018、使用HTML语言

2016-02-19 18:53 0 1 收藏

今天图老师小编给大家展示的是[JAVA100例]018、使用HTML语言,精心挑选的内容希望大家多多支持、多多分享,喜欢就赶紧get哦!

【 tulaoshi.com - Web开发 】

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
/**
 * pTitle: 在swing中使用html语言/p
 * pDescription: 这里演示使用html语言在swing面板上构造显示信息/p
 * pCopyright: Copyright (c) 2003/p
 * pFilename: HtmlDemo.java/p
 * @version 1.0
 */
public class HtmlDemo extends JPanel
           implements ActionListener {
  JLabel theLabel;
  JTextArea htmlTextArea;
/**
 *br方法说明:构造器,描述窗体中的成员
 *br输入参数:
 *br返回类型:
 */
  public HtmlDemo() {
    setLayout(new BoxLayout(this, BoxLayout.LINE_AXIS));
String initialText = "html" +
        "颜色和字体测试:" +
        "ul" +
        "lifont color=redred/font" +
        "lifont color=blueblue/font" +
        "lifont color=greengreen/font" +
        "lifont size=-2small/font" +
        "lifont size=+2large/font" +
        "liiitalic/i" +
        "libbold/b" +
        "/ul";
    //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);
      }
    };
    //设置标签的对齐方式
    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,点击按钮显示结果。"),
        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("这里使用标签显示HTML结果"),
            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方法说明:事件监听,当用户点击按钮触发
 *br输入参数:
 *br返回类型:
 */
  public void actionPerformed(ActionEvent e) {
    theLabel.setText(htmlTextArea.getText());
  }
/**
 *br方法说明:主方法
 *br输入参数:
 *br返回类型:
 */
  public static void main(String[] args) {
JFrame.setDefaultLookAndFeelDecorated(true);
//创建窗体
    JFrame frame = new JFrame("HtmlDemo");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
//创建面板
    JComponent newContentPane = new HtmlDemo();
    newContentPane.setOpaque(true);
    frame.setContentPane(newContentPane);
//显示窗体
    frame.pack();
    frame.setVisible(true);
  }
}

来源:https://www.tulaoshi.com/n/20160219/1619342.html

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