📄 payqbydepartment.java
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package bookmanager;import javax.swing.*;import com.borland.jbcl.layout.*;import java.awt.*;import java.sql.*; //引入包java.sql.*;import javax.swing.table.*; //引入包sqljavax.swing.table.*;import java.util.*;import java.awt.event.*;/** * <p>Title: </p> * <p>Description: </p> * <p>Copyright: Copyright (c) 2003</p> * <p>Company: </p> * @author not attributable * @version 1.0 */public class payqbydepartment extends JFrame { ResultSet rs; //定义结果集 private DBManager db = new DBManager(); //定义数据库操作对象 Vector tempvector = new Vector(1, 1); DefaultTableModel model = new DefaultTableModel(); //定义DefaultTableModel模型 JTable jTableResult = new JTable(model); XYLayout xYLayout1 = new XYLayout(); JScrollPane jScrollPane1 = new JScrollPane(); JLabel jLabel1 = new JLabel(); JTextField jTextFielddepartment = new JTextField(); JButton jButtonSearch = new JButton(); public payqbydepartment() { try { jbInit(); } catch (Exception e) { e.printStackTrace(); } } public static void main(String[] args) { payqbydepartment payqbydepartment = new payqbydepartment(); } private void jbInit() throws Exception { this.getContentPane().setLayout(xYLayout1); jLabel1.setText("院系名称"); jLabel1.setFont(new java.awt.Font("Dialog", 0, 16)); jTextFielddepartment.setText(""); jTextFielddepartment.setFont(new java.awt.Font("Dialog", 0, 16)); jButtonSearch.setText("查询"); jButtonSearch.addMouseListener(new payqbydepartment_jButtonSearch_mouseAdapter(this)); jButtonSearch.setBackground(UIManager.getColor("inactiveCaptionText")); jButtonSearch.setFont(new java.awt.Font("Dialog", 0, 16)); xYLayout1.setWidth(670); xYLayout1.setHeight(455); // model中加入列名 model.addColumn("交费用户"); model.addColumn("所在专业"); model.addColumn("交费数量"); model.addColumn("交费时间"); model.addColumn("交费类型"); model.addColumn("经办人"); this.getContentPane().setBackground(UIManager.getColor("inactiveCaptionText")); this.setTitle("按所属院系查询"); jScrollPane1.getViewport().setBackground(Color.white); jScrollPane1.setFont(new java.awt.Font("Dialog", 0, 16)); jTableResult.setFont(new java.awt.Font("Dialog", 0, 16)); this.getContentPane().add(jLabel1, new XYConstraints(31, 15, 82, 29)); this.getContentPane().add(jButtonSearch, new XYConstraints(416, 12, 87, -1)); this.getContentPane().add(jTextFielddepartment, new XYConstraints(124, 17, 154, -1)); this.getContentPane().add(jScrollPane1, new XYConstraints(20, 70, 633, 359)); // jScrollPane1.add(jTableResult, null); jScrollPane1.getViewport().add(jTableResult, null);//added } void jButtonSearch_mouseClicked(MouseEvent e) { String strSQL; //检验书目是否存在 boolean isFirst = true; strSQL = "select user.username,professional,pay.* from user,pay where user.username=pay.username"; if (!jTextFielddepartment.getText().trim().equals("")) { strSQL = strSQL + " and where department='" + jTextFielddepartment.getText().trim() + "'"; isFirst = false; } //执行数据库的查询操作 rs = db.getResult(strSQL); boolean isexist = false; try { isexist = rs.first(); } catch (SQLException ex1) { JOptionPane.showMessageDialog(null, "ex1.toString() " + ex1.toString()); } //若书目不存在,提示警告信息提醒用户 if (!isexist) { JOptionPane.showMessageDialog(null, "错误,请确认!"); } //若存在,执行更新操作 else { //首先清空集合中的对象 tempvector.clear(); //清空model中的对象 for (int n = model.getRowCount() - 1; n >= 0; n--) model.removeRow(n); try { //移动游标到零的位置 rs.beforeFirst(); //逐条将查询结果显示在jtable中 while (rs.next()) { tempvector = new Vector(1, 1); tempvector.add(rs.getString("username")); tempvector.add(rs.getString("accptusername")); tempvector.add(rs.getString("paydate")); tempvector.add(rs.getString("paynum")); tempvector.add(rs.getString("payusertype")); tempvector.add(rs.getString("department")); model.addRow(tempvector); } } //若出现异常,弹出警告对话框 catch (SQLException ex) { JOptionPane.showMessageDialog(null,"发生错误!"); } } }}class payqbydepartment_jButtonSearch_mouseAdapter extends java.awt.event.MouseAdapter { payqbydepartment adaptee; payqbydepartment_jButtonSearch_mouseAdapter(payqbydepartment adaptee) { this.adaptee = adaptee; } public void mouseClicked(MouseEvent e) { adaptee.jButtonSearch_mouseClicked(e); }}
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