一个带有JTextArea的通用JScrollPane

系统管理员 2023-10-17 23:00 45阅读 0赞

包括2个文件: MyScrollFrame 和 MyJScrollPane两个java文件 .

1. MyScrollFrame.java /

package com.swing.test;

import javax.swing.JFrame;

import javax.swing.JTextArea;  
import javax.swing.JTextField;

public class MyScrollFrame extends JFrame\{  
  
public static JTextArea jta\_info = new JTextArea(10,30);  
  
public JTextField jtf\_port;  
private MyJScrollPane scrollPane;  
  
public MyScrollFrame()\{  
scrollPane = new MyJScrollPane("ScrollPane Test");  
this.add(scrollPane);  
  
this.setTitle("test");  
this.setSize(410,380);  
  
this.setDefaultCloseOperation(EXIT\_ON\_CLOSE);

setResizable(false);

this.setVisible(true);  
\}  
  
public static void main(String\[\] args) \{  
new MyScrollFrame();  
\}

1. MyJScrollPane.java /

package com.swing.test;

import java.awt.Dimension;

import javax.swing.JButton;  
import javax.swing.JPanel;  
import javax.swing.JScrollPane;  
import javax.swing.JTabbedPane;  
import javax.swing.JTextArea;  
import javax.swing.JTextPane;  
import javax.swing.text.StyledDocument;

public class MyJScrollPane extends JScrollPane\{  
  
private JTextArea addText;  
private JButton btn;  
private JScrollPane addScrollPane;  
  
//JTextPane textPane = new JTextPane();  
//private StyledDocument document = (StyledDocument) textPane.getDocument();  
  
public MyJScrollPane(String title) \{  
addText = new JTextArea();  
addScrollPane = new JScrollPane(addText);  
//btn = new JButton("确认");  
if (title != null && ( !(title.isEmpty()))) \{  
this.setBorder(javax.swing.BorderFactory.createTitledBorder(title));  
\}  
this.add(addScrollPane);  
this.setViewportView(addScrollPane);  
this.setPreferredSize(new Dimension(280,190));  
\}  
public String getText() \{  
return addText.getText();  
\}  
public void setText(String text) \{  
addText.setText(text);  
\}