这段代码用于过滤javax swing表的数据。在运行它之后,当我按下OK时,它显示0个数据。但它从第二次按下OK按钮开始工作 导入java.awt.EventQueue; 导入java.sql.Connection; 导入java.sql.DriverM

这段代码用于过滤javax swing表的数据。在运行它之后,当我按下OK时,它显示0个数据。但它从第二次按下OK按钮开始工作 导入java.awt.EventQueue; 导入java.sql.Connection; 导入java.sql.DriverM,java,swing,Java,Swing,这段代码用于过滤javax swing表的数据。在运行它之后,当我按下OK时,它显示0个数据。但它从第二次按下OK按钮开始工作 导入java.awt.EventQueue; 导入java.sql.Connection; 导入java.sql.DriverManager; 导入java.sql.ResultSet; 导入java.sql.SQLException; 导入java.sql.Statement; 导入javax.swing.JOptionPane; 导入javax.swing.JScr

这段代码用于过滤javax swing表的数据。在运行它之后,当我按下OK时,它显示0个数据。但它从第二次按下OK按钮开始工作
导入java.awt.EventQueue;
导入java.sql.Connection;
导入java.sql.DriverManager;
导入java.sql.ResultSet;
导入java.sql.SQLException;
导入java.sql.Statement;
导入javax.swing.JOptionPane;
导入javax.swing.JScrollPane;
导入javax.swing.RowFilter;
导入javax.swing.table.DefaultTableModel;
导入javax.swing.table.TableRowSorter;
导入java.awt.event.ActionListener;
导入java.awt.event.ActionEvent;
公共类My扩展了javax.swing.JFrame{
默认表格模型;
连接;
报表s;
结果集rst;
字符串表达式;
最终工作台分拣机;
公开我的(){
初始化组件();
model=(DefaultTableModel)jTable1.getModel();
分拣机=新的表格行分拣机(型号);
试一试{
Class.forName(“com.mysql.jdbc.Driver”);
connect=DriverManager.getConnection(“jdbc:mysql://localhost/SORTS“,”根“,”空);
s=connect.createStatement();
String sql=“选择*来自成员”;
ResultSet rec=s.executeQuery(sql);
int行=0;
while((rec!=null)&&(rec.next())
{          
model.addRow(新对象[0]);
model.setValueAt(rec.getString(“memberShipNo”),第0行;
model.setValueAt(rec.getString(“名称”),第1行);
model.setValueAt(rec.getString(“工作站”),第2行);
model.setValueAt(rec.getString(“地址”),第3行);
model.setValueAt(rec.getString(“teleNo”),第4行;
model.setValueAt(rec.getString(“电子邮件”),第5行);
行++;
}
建议关闭();
}捕获(例外e){
showMessageDialog(null,e.getMessage());
e、 printStackTrace();
}
试一试{
如果(s!=null){
s、 close();
connect.close();
}
}捕获(SQLE异常){
e、 printStackTrace();
}
jTable1.设置行分拣机(分拣机);
}
@抑制警告(“未选中”)
私有组件(){
jScrollPane1=newjavax.swing.JScrollPane();
系统输出打印项次(“3”);
jTable1=newjavax.swing.JTable();
jButton1=newjavax.swing.JButton();
jTextField1=newjavax.swing.JTextField();
jPanel1=newjavax.swing.JPanel();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
系统输出打印项次(“4”);
jTable1.setModel(新的javax.swing.table.DefaultTableModel(
新对象[][]{
},
新字符串[]{
“标题1”、“标题2”、“标题3”、“标题4”、“标题5”、“标题6”
}
) {
类[]类型=新类[]{
java.lang.String.class、java.lang.String.class、java.lang.String.class、java.lang.String.class、java.lang.Object.class、java.lang.Object.class
};
公共类getColumnClass(int columnIndex){
返回类型[列索引];
}
});
系统输出打印项次(“5”);
系统输出打印项次(“2”);
jScrollPane1.setViewportView(jTable1);
系统输出打印项次(“7”);
setText(“jButton1”);
jButton1.addActionListener(新java.awt.event.ActionListener(){
public void actionPerformed(java.awt.event.ActionEvent evt){
jButton1ActionPerformed(evt);
}
});
jTextField1.setText(“”);
jTextField1.addActionListener(新java.awt.event.ActionListener(){
public void actionPerformed(java.awt.event.ActionEvent evt){
JTextfield1执行的操作(evt);
}
});
javax.swing.GroupLayout jPanel1Layout=新的javax.swing.GroupLayout(jPanel1);
setLayout(jPanel1Layout);
jPanel1Layout.setHorizontalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0,100,短。最大值)
);
jPanel1Layout.setVerticalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0,100,短。最大值)
);
javax.swing.GroupLayout=newjavax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(布局);
layout.setHorizontalGroup(
createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addComponent(jScrollPane1,javax.swing.GroupLayout.PREFERRED\u SIZE,375,javax.swing.GroupLayout.PREFERRED\u SIZE)
.addGap(0,25,短最大值))
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING,layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(47,47,47)
.addComponent(jTextField1,javax.swing.GroupLayout.PREFERRED_SIZE,125,javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED,javax.swing.GroupLayout.DEFAULT\u SIZE,Short.MAX\u VALUE))
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING,layout.createSequentialGroup()
.addContainerGap(javax.swing.GroupLayout.DEFAULT\u SIZE,Short.MAX\u值)
.addComponent(jPanel1,javax.swing.GroupLayout.PREFERRED\u SIZE,javax.swing.GroupLayout.DEFAULT\u SIZE,javax.swing.GroupLayout.PREFERRED\u SIZE)
.addGap(18,18,18)))
.addComponent(jButton1)
.addGap(111、111、111))
);
layout.setVerticalGroup(
createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
import java.awt.EventQueue;

import java.sql.Connection;

import java.sql.DriverManager;

import java.sql.ResultSet;

import java.sql.SQLException;

import java.sql.Statement;

import javax.swing.JOptionPane;



import javax.swing.JScrollPane;

import javax.swing.RowFilter;

import javax.swing.table.DefaultTableModel;

import javax.swing.table.TableRowSorter;



import java.awt.event.ActionListener;

import java.awt.event.ActionEvent;





public class My extends javax.swing.JFrame {

      DefaultTableModel model;
      Connection connect;
      Statement s;
      ResultSet rst;

      String expr;

      final TableRowSorter<DefaultTableModel> sorter;

    public My() {


        initComponents();
        model = (DefaultTableModel)jTable1.getModel();
        sorter = new TableRowSorter<DefaultTableModel> (model);

    try {

        Class.forName("com.mysql.jdbc.Driver");

        connect =  DriverManager.getConnection("jdbc:mysql://localhost/SORTS","root",null);

        s = connect.createStatement();



        String sql = "SELECT * FROM  member";

        ResultSet rec = s.executeQuery(sql);

        int row = 0;

        while((rec!=null) && (rec.next()))

        {          

        model.addRow(new Object[0]);

        model.setValueAt(rec.getString("memberShipNo"), row, 0);

        model.setValueAt(rec.getString("name"), row, 1);

        model.setValueAt(rec.getString("workingStation"), row, 2);

        model.setValueAt(rec.getString("address"), row, 3);

        model.setValueAt(rec.getString("teleNo"), row, 4);

        model.setValueAt(rec.getString("email"), row, 5);


        row++;

        }

        rec.close();

        } catch (Exception e) {


            JOptionPane.showMessageDialog(null, e.getMessage());

            e.printStackTrace();

        }

        try {

            if(s != null) {

            s.close();

            connect.close();

        }

        }   catch (SQLException e) {

                e.printStackTrace();

        }

        jTable1.setRowSorter(sorter);        
       }

    @SuppressWarnings("unchecked")

    private void initComponents() {

        jScrollPane1 = new javax.swing.JScrollPane();
        System.out.println("3");
        jTable1 = new javax.swing.JTable();
        jButton1 = new javax.swing.JButton();
        jTextField1 = new javax.swing.JTextField();
        jPanel1 = new javax.swing.JPanel();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        System.out.println("4");
        jTable1.setModel(new javax.swing.table.DefaultTableModel(
            new Object [][] {

            },
            new String [] {
                "Title 1", "Title 2", "Title 3", "Title 4", "Title 5", "Title 6"
            }
        ) {
            Class[] types = new Class [] {
                java.lang.String.class, java.lang.String.class, java.lang.String.class, java.lang.String.class, java.lang.Object.class, java.lang.Object.class
            };

            public Class getColumnClass(int columnIndex) {
                return types [columnIndex];
            }
        });
        System.out.println("5");

        System.out.println("2");
        jScrollPane1.setViewportView(jTable1);
        System.out.println("7");

        jButton1.setText("jButton1");
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });

        jTextField1.setText(" ");
        jTextField1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jTextField1ActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
        jPanel1.setLayout(jPanel1Layout);
        jPanel1Layout.setHorizontalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGap(0, 100, Short.MAX_VALUE)
        );
        jPanel1Layout.setVerticalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGap(0, 100, Short.MAX_VALUE)
        );

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 375, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(0, 25, Short.MAX_VALUE))
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addGap(47, 47, 47)
                        .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 125, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                    .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                        .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                        .addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addGap(18, 18, 18)))
                .addComponent(jButton1)
                .addGap(111, 111, 111))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 143, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addGap(60, 60, 60)
                        .addComponent(jButton1))
                    .addGroup(layout.createSequentialGroup()
                        .addGap(51, 51, 51)
                        .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)))
                .addGap(0, 11, Short.MAX_VALUE))
        );
       pack();
    }                         


    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {                                         
               if(evt.getSource()==jButton1){
               expr = jTextField1.getText();
               filter();

            sorter.setSortKeys(null);
            jTextField1.setText("");
         }
    }                                        

    private void jTextField1ActionPerformed(java.awt.event.ActionEvent evt) {                                            

    }                                           

    protected void filter() {
        sorter.setRowFilter(RowFilter.regexFilter("^(?i)"+expr));

    }  


        try {
            for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
                if ("Nimbus".equals(info.getName())) {
                    javax.swing.UIManager.setLookAndFeel(info.getClassName());
                    break;
                }
            }
        } catch (ClassNotFoundException ex) {
            java.util.logging.Logger.getLogger(My.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(My.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(My.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(My.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        }

        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new My().setVisible(true);
            }
        });
    }


    private javax.swing.JButton jButton1;
    private javax.swing.JPanel jPanel1;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JTable jTable1;
    private javax.swing.JTextField jTextField1;
  }
jTextField1.setText(" ");