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
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(" ");