for(int i = 0;i<myLocalPagenum;i++){ JPanel jp = new JPanel(); JTextArea jta0 = new JTextArea(); jta0.setBackground(Color.RED); jta0.setSize(332, 722); jta0.setText(CalcMyPage.ld0.get(i)); jta0.setLineWrap(true); jta0.setSize(303, 700); jta0.setBackground(Color.RED); ld.add(jta0); jp.add(jta0); pane.add(jp,"CJCO"); this.add(pane); } } try { // 将LookAndFeel设置成Windows样式 UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel"); } catch (Exception ex) { ex.printStackTrace(); } /**创建一个具有指定的水平和垂直间隙的新卡片布局*/ card = new CardLayout(5, 5); pane = new JPanel(card); // JPanel的布局管理将被设置成CardLayout p = new JPanel(); // 构造放按钮的JPanel button_1 = new JButton("< 上一步"); button_2 = new JButton("下一步 >"); p.add(button_1); p.add(button_2); /**下面是翻转到卡片布局的某个组件,可参考API中的文档*/ button_1.addActionListener(new ActionListener(){ // 上一步的按钮动作 public void actionPerformed(ActionEvent e) { card.previous(pane); } }); button_2.addActionListener(new ActionListener(){ // 下一步的按钮动作 public void actionPerformed(ActionEvent e) { card.next(pane); } }); this.getContentPane().add(pane,BorderLayout.NORTH); this.getContentPane().add(p, BorderLayout.SOUTH); this.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE); this.setSize(332, 722);
}
public void run(){ this.setVisible(true); }
public static void main(String[] args) { MyChatLogFrame m = new MyChatLogFrame("加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油",2); Thread obj = new Thread(m); obj.start();
} @Override public void actionPerformed(ActionEvent e) { // TODO Auto-generated method stub
修改Test0这个类:1.将你程序96行:改为 this.getContentPane().add(pane,BorderLayout.NORTH);2.将你程序48行:改为 jp.setBackground(Color.RED);3.将你程序46行:改为 jta0.setLineWrap(false);或者直接注释掉,要不然不会居中;
谢谢-小张童鞋-,张三丰大哥的不吝赐教!!!!
有阳泉酒家小当家大哥!!有-小张童鞋-大哥!!!!无小弟学习Java纠结!!!!
有阳泉酒家小当家大哥精神!!有-小张童鞋-大哥精神!!无中国软件工程不成长为世界聚龙·巨龙!!!!
二位祖师爷,请问:
小弟把代码修改成了下面的写法:
package c_port_packageBJTeacher;
import java.awt.BorderLayout;
import java.awt.CardLayout;
import java.awt.Color;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.ArrayList;
import java.util.LinkedList;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextArea;
import javax.swing.UIManager;
/**
* Java中CardLayout布局管理器使用的小例子
*/
public class MyChatLogFrame extends JFrame implements ActionListener, Runnable {
/**
*
*/
private static final long serialVersionUID = 1L;
public ArrayList<JTextArea> al = new ArrayList<JTextArea>();
private JPanel pane = null; // 主要的JPanel,该JPanel的布局管理将被设置成CardLayout
private JPanel p = null; // 放按钮的JPanel
private CardLayout card = null; // CardLayout布局管理器
private JButton button_1 = null; // 上一步
private JButton button_2 = null; // 下一步
public LinkedList<JTextArea> ld = new LinkedList<JTextArea>();
public MyChatLogFrame(String str,int pagenum) {
super("CardLayout Test");
int myLocalPagenum = pagenum;
card = new CardLayout(5, 5);
pane = new JPanel(card);
// String[] buffer = str.split("丮");
// int pagenum = Integer.parseInt(buffer[0]);
// str = buffer[1];
this.setResizable(false);
if(myLocalPagenum!=0){
for(int i = 0;i<myLocalPagenum;i++){
JPanel jp = new JPanel();
jp.setBackground(Color.RED);
JTextArea jta0 = new JTextArea();
jta0.setSize(332, 722);
jta0.setText("CJCO");
jta0.setLineWrap(true);
jta0.setSize(303, 700);
jta0.setBackground(Color.RED);
ld.add(jta0);
jp.add(jta0);
pane.add(jp,"CJCO");
this.add(pane);
}}else{
myLocalPagenum = 1;
for(int i = 0;i<myLocalPagenum;i++){
JPanel jp = new JPanel();
JTextArea jta0 = new JTextArea();
jta0.setBackground(Color.RED);
jta0.setSize(332, 722);
jta0.setText(CalcMyPage.ld0.get(i));
jta0.setLineWrap(true);
jta0.setSize(303, 700);
jta0.setBackground(Color.RED);
ld.add(jta0);
jp.add(jta0);
pane.add(jp,"CJCO");
this.add(pane);
}
}
try {
// 将LookAndFeel设置成Windows样式
UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
} catch (Exception ex) {
ex.printStackTrace();
}
/**创建一个具有指定的水平和垂直间隙的新卡片布局*/
card = new CardLayout(5, 5);
pane = new JPanel(card); // JPanel的布局管理将被设置成CardLayout
p = new JPanel(); // 构造放按钮的JPanel
button_1 = new JButton("< 上一步");
button_2 = new JButton("下一步 >");
p.add(button_1);
p.add(button_2);
/**下面是翻转到卡片布局的某个组件,可参考API中的文档*/
button_1.addActionListener(new ActionListener(){ // 上一步的按钮动作
public void actionPerformed(ActionEvent e) {
card.previous(pane);
}
});
button_2.addActionListener(new ActionListener(){ // 下一步的按钮动作
public void actionPerformed(ActionEvent e) {
card.next(pane);
}
});
this.getContentPane().add(pane,BorderLayout.NORTH);
this.getContentPane().add(p, BorderLayout.SOUTH);
this.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
this.setSize(332, 722);
}
public void run(){
this.setVisible(true);
}
public static void main(String[] args) {
MyChatLogFrame m = new MyChatLogFrame("加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油加油",2);
Thread obj = new Thread(m);
obj.start();
} @Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
}
}
希望得到二位祖师爷的点拨:
小弟的这个JFrame窗口,怎么修改,能够让小弟,可以通过第40行到第54行的循环语句进行”多个第41行的JPanel页面实例的创建“,让小弟的用户,能够通过”上一步“与”下一步“两个按钮的翻页,进行自己的服务器推送的信息的"即时浏览"”,并且能够通过JPanel的实例jp上的jta0,这个JTextArea的实例进行自己的用户的“浏览数据需求”的直接满足.
希望得到二位祖师爷:
跋陀大哥,张三丰大哥的亲自技艺传授!!!!
小弟行不更名,坐不改姓:
苏乞儿!!是也!!!!!
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