求一个GUI布局的小项目 求一个使用swing进行布局的小项目。最好是游戏类型的,要解压后直接能运行的。。有的请上传到CSDN资源或者发我邮箱,谢谢[email protected] 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 import java.util.*;import java.awt.Color;import java.awt.event.*;import javax.swing.*;public class LoanJFrame extends JFrame implements ActionListener { private JTextField text_money, text_rate, text_year; private JSpinner spin_year, spin_month; private JButton button; private JTable table; public LoanJFrame() { super("银行贷款按月还本付息的计算"); this.setBounds(300, 240, 800, 400); this.setBackground(Color.lightGray); this.setDefaultCloseOperation(EXIT_ON_CLOSE); JPanel panel = new JPanel(); this.getContentPane().add(panel, "North"); panel.add(new JLabel("贷款金额")); text_money = new JTextField("100000", 6); panel.add(text_money); panel.add(new JLabel("元 贷款利率")); text_rate = new JTextField("0.5025", 6); panel.add(text_rate); panel.add(new JLabel("%/月 贷款年限")); text_year = new JTextField("5", 3); panel.add(text_year); panel.add(new JLabel("年 起始年月")); Calendar today = Calendar.getInstance(); int year = today.get(Calendar.YEAR); int nextmonth = today.get(Calendar.MONTH) + 1; nextmonth = nextmonth % 12 + 1; if (nextmonth == 1) year++; spin_year = new JSpinner(); spin_year.setValue(year); panel.add(spin_year); panel.add(new JLabel("年")); spin_month = new JSpinner(new SpinnerNumberModel(nextmonth, 1, 12, 1)); panel.add(spin_month); panel.add(new JLabel("月")); button = new JButton("计算"); panel.add(button); button.addActionListener(this); // actionPerformed(null); this.getContentPane().add(new JScrollPane(table)); this.getContentPane().add(button); this.setVisible(true); } public void actionPerformed(ActionEvent e) { System.out.println("button clicked"); String titles[] = { "年月", "本金金额(元)", "月还本金(元)", "月还利息(元", "月还本息(元)" }; int months = Integer.parseInt(text_year.getText()) * 12; Object datas[][] = new Object[months][5]; int year = Integer.parseInt("" + spin_year.getValue()); int mon = Integer.parseInt("" + spin_month.getValue()); double leavings = Double.parseDouble("" + text_money.getText()); double pay = leavings / months; double rate = Double.parseDouble("" + text_rate.getText()); for (int i = 0; i < months; i++) { datas[i][0] = year + "年" + mon + "月"; datas[i][1] = String.format("%9.2f", leavings); datas[i][2] = String.format("%9.2f", pay); datas[i][3] = String.format("%9.2f", leavings * rate * 0.01); datas[i][4] = String.format("%9.2f", pay + leavings * rate * 0.01); if (mon == 12) year++; mon = mon % 12 + 1; leavings -= pay; } table = new JTable(datas, titles); } public static void main(String arg[]) { new LoanJFrame(); }}瞎研究研究吧 java与数据库 写了一个awt systemTray 程序,但eclipse编译不通过。jcreator却可以编译运行。 如何往JTable中动态添加数据????? 请斑竹保留一天,对仓库熟悉又想兼职的 关于JScrollPane自动向下滚动的问题 求坐标 讨论一下数据库连接池,请各位兄弟姐妹参与讨论。 100分 实现我的诺言,散分,主要回答人如下:wjmmml(笑着悲伤),xmvigour(微电--有狼的气质 没狼的勇气 真郁闷),sharetop(燕赤霞),piggybank( 如何将中文文件存入数据库?是文件,不是表单,谢谢!! 新手求问两个自动设置的时间怎么求差 求助一个正则表达式
import java.util.*;
import java.awt.Color;
import java.awt.event.*;
import javax.swing.*;public class LoanJFrame extends JFrame implements ActionListener {
private JTextField text_money, text_rate, text_year;
private JSpinner spin_year, spin_month;
private JButton button;
private JTable table; public LoanJFrame() {
super("银行贷款按月还本付息的计算");
this.setBounds(300, 240, 800, 400);
this.setBackground(Color.lightGray);
this.setDefaultCloseOperation(EXIT_ON_CLOSE);
JPanel panel = new JPanel();
this.getContentPane().add(panel, "North");
panel.add(new JLabel("贷款金额"));
text_money = new JTextField("100000", 6);
panel.add(text_money); panel.add(new JLabel("元 贷款利率"));
text_rate = new JTextField("0.5025", 6);
panel.add(text_rate);
panel.add(new JLabel("%/月 贷款年限"));
text_year = new JTextField("5", 3);
panel.add(text_year); panel.add(new JLabel("年 起始年月"));
Calendar today = Calendar.getInstance();
int year = today.get(Calendar.YEAR);
int nextmonth = today.get(Calendar.MONTH) + 1;
nextmonth = nextmonth % 12 + 1;
if (nextmonth == 1)
year++;
spin_year = new JSpinner();
spin_year.setValue(year);
panel.add(spin_year);
panel.add(new JLabel("年"));
spin_month = new JSpinner(new SpinnerNumberModel(nextmonth, 1, 12, 1)); panel.add(spin_month);
panel.add(new JLabel("月"));
button = new JButton("计算");
panel.add(button);
button.addActionListener(this);
// actionPerformed(null);
this.getContentPane().add(new JScrollPane(table));
this.getContentPane().add(button);
this.setVisible(true);
} public void actionPerformed(ActionEvent e) { System.out.println("button clicked");
String titles[] = { "年月", "本金金额(元)", "月还本金(元)", "月还利息(元", "月还本息(元)" };
int months = Integer.parseInt(text_year.getText()) * 12;
Object datas[][] = new Object[months][5];
int year = Integer.parseInt("" + spin_year.getValue());
int mon = Integer.parseInt("" + spin_month.getValue());
double leavings = Double.parseDouble("" + text_money.getText());
double pay = leavings / months;
double rate = Double.parseDouble("" + text_rate.getText());
for (int i = 0; i < months; i++) {
datas[i][0] = year + "年" + mon + "月";
datas[i][1] = String.format("%9.2f", leavings);
datas[i][2] = String.format("%9.2f", pay);
datas[i][3] = String.format("%9.2f", leavings * rate * 0.01);
datas[i][4] = String.format("%9.2f", pay + leavings * rate * 0.01);
if (mon == 12)
year++;
mon = mon % 12 + 1;
leavings -= pay;
}
table = new JTable(datas, titles);
} public static void main(String arg[]) {
new LoanJFrame();
}
}
瞎研究研究吧