📄 kccxframe.java
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package com.jm;
import java.awt.Color;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.sql.ResultSet;
import java.sql.SQLException;
import javax.swing.*;
import com.lj.LianJie;
public class Kccxframe {
JFrame frame;
JPanel p1,p2;
JLabel l1;
JComboBox c1;
JButton b1,b2;
public void setkccxframe() {
frame = new JFrame();
frame = new JFrame();
frame.setLocation(300,350);
frame.setSize(300, 150);
frame.setTitle("课程查询窗口");
frame.setLayout(new GridLayout(2,1));
p1 = new JPanel();
p2 = new JPanel();
p1.setBackground(Color.white);
p2.setBackground(Color.white);
frame.add(p1);
frame.add(p2);
l1 = new JLabel("请选择课程名称:");
c1 = new JComboBox();
LianJie lj=new LianJie();
ResultSet rs=lj.select("select *from kc");
try {
while(rs.next()){
c1.addItem(rs.getString("kcmc"));
}
} catch (SQLException e1) {
e1.printStackTrace();
}
lj.closeConn();
p1.add(l1);
p1.add(c1);
b1 = new JButton("确定");
b1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
LianJie lj = new LianJie();
String sql = "select * from kc where kcmc = ''";
lj.select(sql);
frame.dispose();
}
});
b2 = new JButton("取消");
b2.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
frame.dispose();
}
});
p2.add(b1);
p2.add(b2);
frame.setDefaultCloseOperation(JFrame.HIDE_ON_CLOSE);
frame.setResizable(false);
frame.setVisible(true);
}
}
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