图形化界面处理

package day14;
import java.awt.BorderLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.ImageIcon;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
public class RoleSelector extends JFrame{
/** 角色图片标签 **/
private JLabel lbRoleImage;
/** 角色属性值 **/
private JLabel[] lbValue;
private String[][] strArr = {
{"100","100","100","100","100"},
{"200","200","200","200","200"},
{"300","300","300","300","300"},
{"400","400","400","400","400"},
{"500","500","500","500","500"}
};
public RoleSelector(){
JPanel pnBasic = new JPanel();
pnBasic.setLayout(new BorderLayout());
// 角色选择区
String[] strArrRoleName = {"Goddess","Assassin","Death","Garuda","Captain"};
JComboBox cbRoleName = new JComboBox(strArrRoleName);
cbRoleName.addActionListener(new SelectMonitor());
pnBasic.add(cbRoleName,BorderLayout.NORTH);
// 角色图片区
lbRoleImage = new JLabel();
ImageIcon icon = new ImageIcon("assets/role/Goddess.png");
lbRoleImage.setIcon(icon);
pnBasic.add(lbRoleImage,BorderLayout.CENTER);
// 角色属性区：
JPanel pnRoleAttr = new JPanel();
pnRoleAttr.setLayout(new GridLayout(5,2,5,5));

String[] strTitle = {"HP:","MP:","AP:","DP:","EXP:"};
JLabel[] lbTitle = new JLabel[5];
lbValue = new JLabel[5];
for(int i=0;i<lbTitle.length;i++){
lbTitle[i] = new JLabel(strTitle[i]);
lbValue[i] = new JLabel(strArr[0][i]);
pnRoleAttr.add(lbTitle[i]);
pnRoleAttr.add(lbValue[i]);
}

pnBasic.add(pnRoleAttr,BorderLayout.EAST);

// 绑定
setContentPane(pnBasic);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setTitle("登陆");
// setSize  setLocation
setBounds(200,200,400,300);
//      pack();
// 窗体可见
setVisible(true);
}

// 下列列表的监听
private class SelectMonitor implements ActionListener{
@Override
public void actionPerformed(ActionEvent e) {
JComboBox cb = (JComboBox) e.getSource();
// 获得选项的名字
String strSelectName = (String) cb.getSelectedItem();
// 获得选项的下标
int index = cb.getSelectedIndex();
ImageIcon icon = new ImageIcon("assets/role/"+strSelectName+".png");
lbRoleImage.setIcon(icon);
pack();
for(int i=0;i<lbValue.length;i++){
lbValue[i].setText(strArr[index][i]);
}
}
}

public static void main(String[] args) {
new RoleSelector();
}
}