菜鸟问题:读文本区 2个文本区域,一个按钮,一个文本区域输入了文本,要求点击按钮,会把该文本区域的内容显示到另一个文本区域,请问按钮事件该怎么写(我要逐行读文本,因为要记录行号)? 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 package untitled1;import java.awt.BorderLayout;import java.awt.Dimension;import javax.swing.JFrame;import javax.swing.JPanel;import javax.swing.JTextArea;import java.awt.*;import javax.swing.JButton;import javax.swing.JLabel;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import javax.swing.text.BadLocationException;/** * <p>Title: </p> * * <p>Description: </p> * * <p>Copyright: Copyright (c) 2007</p> * * <p>Company: </p> * * @author not attributable * @version 1.0 */public class Frame1 extends JFrame { JPanel contentPane; JTextArea jTextArea1 = new JTextArea(); JTextArea jTextArea2 = new JTextArea(); JButton jButton1 = new JButton(); JLabel jLabel1 = new JLabel(); JLabel jLabel2 = new JLabel(); public Frame1() { try { setDefaultCloseOperation(EXIT_ON_CLOSE); jbInit(); } catch (Exception exception) { exception.printStackTrace(); } } /** * Component initialization. * * @throws java.lang.Exception */ private void jbInit() throws Exception { contentPane = (JPanel) getContentPane(); contentPane.setLayout(null); setSize(new Dimension(400, 300)); setTitle("Frame Title"); jTextArea1.setBounds(new Rectangle(21, 37, 244, 78)); jTextArea2.setBounds(new Rectangle(22, 160, 245, 75)); jButton1.setBounds(new Rectangle(292, 42, 80, 24)); jButton1.setText("确定"); jButton1.addActionListener(new Frame1_jButton1_actionAdapter(this)); jLabel1.setText("输入"); jLabel1.setBounds(new Rectangle(23, 13, 72, 20)); jLabel2.setText("输出"); jLabel2.setBounds(new Rectangle(24, 136, 79, 20)); contentPane.add(jTextArea1); contentPane.add(jTextArea2); contentPane.add(jButton1); contentPane.add(jLabel1); contentPane.add(jLabel2); } public void jButton1_actionPerformed(ActionEvent e) { try{ int x=0; int y=1; for (int i = 0; i < jTextArea1.getLineCount(); i++) { do{ jTextArea2.append(jTextArea1.getText(x, y)); x += y; }while(!jTextArea1.getText(x,y).equals("")); jTextArea2.append("\b"); } }catch(Exception ex){ System.out.println("异常: " +ex); } }}class Frame1_jButton1_actionAdapter implements ActionListener { private Frame1 adaptee; Frame1_jButton1_actionAdapter(Frame1 adaptee) { this.adaptee = adaptee; } public void actionPerformed(ActionEvent e) { adaptee.jButton1_actionPerformed(e); }}测试通过........接分.. 心理学三级考试题 java JtextField光标 怎样实现两个共享盘的文件夹传输 求助,log4j每次执行产生一个新的文件名,该怎么做呢 请问如何生成1-100之间不重复的随机数20个?急急急!在线等待,持续加分中..... 一个小算法问题,求救,四个数字相加哦 高手都那里去了?这个问题一直都没有找到答案! 简单问题!!--关于String类 新手对于用正则表达式给数字每三位加逗号的疑问 谁研究过 蓝雨聊天室(纯java),它的服务器端是如何监听客户端请求的??? 问个关于java -server 和java -client的区别问题 大哥大姐们请求帮忙
import java.awt.Dimension;import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextArea;
import java.awt.*;
import javax.swing.JButton;
import javax.swing.JLabel;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.text.BadLocationException;/**
* <p>Title: </p>
*
* <p>Description: </p>
*
* <p>Copyright: Copyright (c) 2007</p>
*
* <p>Company: </p>
*
* @author not attributable
* @version 1.0
*/
public class Frame1 extends JFrame {
JPanel contentPane;
JTextArea jTextArea1 = new JTextArea();
JTextArea jTextArea2 = new JTextArea();
JButton jButton1 = new JButton();
JLabel jLabel1 = new JLabel();
JLabel jLabel2 = new JLabel();
public Frame1() {
try {
setDefaultCloseOperation(EXIT_ON_CLOSE);
jbInit();
} catch (Exception exception) {
exception.printStackTrace();
}
} /**
* Component initialization.
*
* @throws java.lang.Exception
*/
private void jbInit() throws Exception {
contentPane = (JPanel) getContentPane();
contentPane.setLayout(null);
setSize(new Dimension(400, 300));
setTitle("Frame Title");
jTextArea1.setBounds(new Rectangle(21, 37, 244, 78));
jTextArea2.setBounds(new Rectangle(22, 160, 245, 75));
jButton1.setBounds(new Rectangle(292, 42, 80, 24));
jButton1.setText("确定");
jButton1.addActionListener(new Frame1_jButton1_actionAdapter(this));
jLabel1.setText("输入");
jLabel1.setBounds(new Rectangle(23, 13, 72, 20));
jLabel2.setText("输出");
jLabel2.setBounds(new Rectangle(24, 136, 79, 20));
contentPane.add(jTextArea1);
contentPane.add(jTextArea2);
contentPane.add(jButton1);
contentPane.add(jLabel1);
contentPane.add(jLabel2);
} public void jButton1_actionPerformed(ActionEvent e) {
try{
int x=0;
int y=1;
for (int i = 0; i < jTextArea1.getLineCount(); i++) {
do{
jTextArea2.append(jTextArea1.getText(x, y));
x += y;
}while(!jTextArea1.getText(x,y).equals(""));
jTextArea2.append("\b");
}
}catch(Exception ex){
System.out.println("异常: " +ex);
}
}
}
class Frame1_jButton1_actionAdapter implements ActionListener {
private Frame1 adaptee;
Frame1_jButton1_actionAdapter(Frame1 adaptee) {
this.adaptee = adaptee;
} public void actionPerformed(ActionEvent e) {
adaptee.jButton1_actionPerformed(e);
}
}测试通过........
接分..