星座排名生成器

微博上各种星座排名泛滥了，写个程序凑个热闹。。

package go.derek;import java.awt.Graphics;import java.awt.Image;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.util.ArrayList;import java.util.Collections;import java.util.List;import javax.swing.*;class Rank {JFrame jf=new JFrame("星座各种排名生成器");JLabel jl1=new JLabel("请输入排行标题：");JLabel jl2=new JLabel("排行情况：");JTextField jt=new JTextField(20);JTextArea ja=new JTextArea(11,16);JButton 随机生成=new JButton("随机生成");JButton 继续忽悠=new JButton("继续忽悠");List<String> stars=new ArrayList<>();List<String> rk=new ArrayList<>();Box y=Box.createVerticalBox();Box x1=Box.createHorizontalBox();Box x2=Box.createHorizontalBox();Box x3=Box.createHorizontalBox();String result="";void init(){x1.add(jl1);x1.add(jt);x1.add(Box.createHorizontalStrut(10));x2.add(jl2);x2.add(ja);x2.add(Box.createHorizontalStrut(10));x3.add(Box.createHorizontalStrut(18));x3.add(随机生成);x3.add(Box.createHorizontalStrut(10));x3.add(继续忽悠);y.add(Box.createVerticalStrut(28));y.add(x1);y.add(Box.createVerticalStrut(28));y.add(x2);y.add(Box.createVerticalStrut(28));y.add(x3);y.add(Box.createVerticalStrut(28));jf.add(y);jf.pack();jf.setVisible(true);stars.add("巨蟹座,");stars.add("白羊座,");stars.add("摩羯座,");stars.add("处女座,");stars.add("天蝎座,");stars.add("双鱼座,");stars.add("射手座,");stars.add("狮子座,");stars.add("双子座,");stars.add("金牛座,");stars.add("天秤座,");stars.add("水瓶座,");rk.add("第一名:");rk.add("第二名:");rk.add("第三名:");rk.add("第四名:");rk.add("第五名:");rk.add("第六名:");rk.add("第七名:");rk.add("第八名:");rk.add("第九名:");rk.add("第十名:");rk.add("第十一名:");rk.add("第十二名:");随机生成.addActionListener(new ActionListener(){public void actionPerformed(ActionEvent e){if(!(ja.getText().equals("")))ja.setText("");else{//stars是由十二星座构成的一个有序集合,下面这句代码是将这个有序集合随机排序Collections.shuffle(stars);//用循环遍历新生成的排名for(int i=0;i<stars.size();i++){String rt=rk.get(i)+stars.get(i);if(i==2) rt+="\n"; if(i==5) rt+="\n"; if(i==8) rt+="\n";result+=rt;}String jt1=jt.getText()+"\n";result=jt1+result;ja.setText(result);    result="";}}});继续忽悠.addActionListener(new ActionListener(){public void actionPerformed(ActionEvent e){jt.setText("");ja.setText("");result="";}});} void initFrame()      {        JPanel GImage =  new JPanel()      {  private static final long serialVersionUID = 1L;protected void paintComponent(Graphics g) {             ImageIcon icon = new ImageIcon("D:\\sky.jpg");             Image img = icon.getImage();             g.drawImage(img, 0, 0, icon.getIconWidth(),                         icon.getIconHeight(), icon.getImageObserver());                      jf.setSize(356,398);          }            };                    jf.add(GImage);           jf.pack();           jf.setVisible(true);                     }        public static void main(String[] args){Rank rk=new Rank();rk.init();rk.initFrame();}}