license
1: license 相关的注册表读、写和修改
2：license 相关日期的处理
3：解密加密相关的处理
4: UUID操作，如生成与从license取出的UUID比较5：处理license涉及的文件操作
http://wenku.baidu.com/view/82daac7ba26925c52cc5bf69.html
http://dl.google.com/eclipse/inst/d2wbpro/latest/3.6
The selected wizard could not be started.
Plug-in org.eclipse.wb.swing was unable to load class org.eclipse.wb.internal.swing.wizards.frame.NewJFrameWizard.
An error occurred while automatically activating bundle org.eclipse.wb.swing (970).
http://blog.csdn.net/baby_nanhai/article/details/5661330
http://eclipse.org/downloads/download.php?file=/windowbuilder/WB/integration/WB_v1.5.2_UpdateSite_for_Eclipse4.2.zip&mirror_id=1
http://zhangjunhd.blog.51cto.com/113473/128174
http://www.cnblogs.com/deerchao/archive/2006/08/24/zhengzhe30fengzhongjiaocheng.html
http://www.cnblogs.com/deerchao/archive/2006/08/24/zhengzhe30fengzhongjiaocheng.html
import javax.swing.GroupLayout;
import javax.swing.GroupLayout.Alignment;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JPasswordField;
import javax.swing.JRadioButton;
import javax.swing.JTextField;
public class MyFrame extends javax.swing.JFrame {
public static void main(String[] args) {
MyFrame f = new MyFrame();
}
JLabel label1;
JLabel label2;
JLabel label3;
JTextField tf;
JPasswordField psf;
JRadioButton rb1;
JRadioButton rb2;
JButton bt1;
JButton bt2;
public MyFrame() {
this.setVisible(true);
this.setSize(250, 220);
this.setVisible(true);
this.setLocation(400, 200);
label1 = new JLabel("快捷登陆");
label2 = new JLabel("账号：");
label3 = new JLabel("密码：");
tf = new JTextField();
psf = new JPasswordField();
rb1 = new JRadioButton("记住密码");
rb2 = new JRadioButton("自动登陆");
bt1 = new JButton("登陆");
// 为指定的 Container 创建 GroupLayout
GroupLayout layout = new GroupLayout(this.getContentPane());
this.getContentPane().setLayout(layout);
//创建GroupLayout的水平连续组，，越先加入的ParallelGroup，优先级级别越高。
GroupLayout.SequentialGroup hGroup = layout.createSequentialGroup();
hGroup.addGap(5);//添加间隔
hGroup.addGroup(layout.createParallelGroup().addComponent(label2)
.addComponent(label3));
hGroup.addGap(5);
hGroup.addGroup(layout.createParallelGroup().addComponent(label1)
.addComponent(psf).addComponent(rb1).addComponent(rb2)
.addComponent(tf).addComponent(bt1));
hGroup.addGap(5);
layout.setHorizontalGroup(hGroup);
//创建GroupLayout的垂直连续组，，越先加入的ParallelGroup，优先级级别越高。
GroupLayout.SequentialGroup vGroup = layout.createSequentialGroup();
vGroup.addGap(10);
vGroup.addGroup(layout.createParallelGroup().addComponent(label1));
vGroup.addGap(10);
vGroup.addGroup(layout.createParallelGroup().addComponent(label2)
.addComponent(tf));
vGroup.addGap(5);
vGroup.addGroup(layout.createParallelGroup().addComponent(label3)
.addComponent(psf));
vGroup.addGroup(layout.createParallelGroup().addComponent(rb1));
vGroup.addGroup(layout.createParallelGroup().addComponent(rb2));
vGroup.addGroup(layout.createParallelGroup(Alignment.TRAILING)
.addComponent(bt1));
vGroup.addGap(10);
//设置垂直组
layout.setVerticalGroup(vGroup);
}
}
