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📄 payqbydepartment.java

📁 教材管理系统
💻 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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