数据库表里有数据，但是就是不显示在文本框里，运行也不报错，感觉代码没写错啊，为什么呢？就是不显示数据。
- Java code
import javax.swing.*;import java.awt.*;import java.awt.event.*;import javax.swing.table.*;import java.sql.*;import java.util.*;import java.util.Date;import java.io.*;public class CopyOfPerson extends JFrame implements ActionListener { public String DBDRIVER = "oracle.jdbc.driver.OracleDriver"; public String DBURL= "jdbc:oracle:thin:@127.0.0.1:1521:orcl"; public String DBUSER = "scott"; public String DBPASS = "tiger"; public Connection conn = null; public PreparedStatement psmt = null; public ResultSet rs = null; int count;//记录更新的记录数 private JTextField jtxt, jtxt1, jtxt2, jtxt3, jtxt4, jtxt5, jtxt6, jtxt7, jtxt8, jtxt15, jtxt17, jtxt18, jtxt20; private JLabel jlAarray = new JLabel("职工ID"); private JLabel jlAarray1 = new JLabel("姓名"); private JLabel jlAarray2 = new JLabel("性别"); private JLabel jlAarray3 = new JLabel("出生年月"); private JLabel jlAarray4 = new JLabel("民族"); private JLabel jlAarray5 = new JLabel("籍贯"); private JLabel jlAarray6 = new JLabel("学历"); private JLabel jlAarray7 = new JLabel("学位"); private JLabel jlAarray8 = new JLabel("专业"); private JLabel jlAarray15 = new JLabel("毕业学校"); private JLabel QLb = new JLabel("请输入工号："); // private JLabel jlAarray19 = new JLabel("照片路径"); private JLabel lblNewLabel = new JLabel("员工档案"); private JLabel lblNewLabel_2 = new JLabel("住宅电话"); private JLabel lblNewLabel_3 = new JLabel("手机"); private JLabel lblNewLabel_4 = new JLabel("浏览按钮"); JButton jbArray = new JButton("最前"); JButton jbArray1 = new JButton("上一个"); JButton jbArray2 = new JButton("下一个"); JButton jbArray3 = new JButton("最后"); private final JLabel label = new JLabel("\u5BB6\u5EAD\u4F4F\u5740"); private final JTextField jtxt16 = new JTextField(); private JTextField tf = new JTextField();; JButton QBtn = new JButton("查询"); // private JButton jbArray4 = new JButton("浏览照片"); public CopyOfPerson() { setTitle("员工详细信息"); setIconImage(Toolkit.getDefaultToolkit().getImage(// 设置图标 "D:\\PersonManager\\image\\123.jpg")); getContentPane().setLayout(null); setDefaultCloseOperation(CopyOfPerson.DISPOSE_ON_CLOSE); lblNewLabel.setBounds(24, 10, 54, 15); getContentPane().add(lblNewLabel); jlAarray.setBounds(78, 111, 54, 15);// 职工ID getContentPane().add(jlAarray); jtxt = new JTextField(); jtxt.setBounds(142, 108, 144, 21); jtxt.setEditable(false); getContentPane().add(jtxt); jlAarray1.setBounds(307, 111, 54, 15);// 姓名 getContentPane().add(jlAarray1); jtxt1 = new JTextField(); jtxt1.setBounds(347, 108, 144, 21); jtxt1.setEditable(false); getContentPane().add(jtxt1); jlAarray2.setBounds(501, 111, 54, 15); getContentPane().add(jlAarray2); jtxt2 = new JTextField(); jtxt2.setColumns(10); jtxt2.setBounds(540, 108, 144, 21); jtxt2.setEditable(false); getContentPane().add(jtxt2); jlAarray3.setBounds(78, 152, 54, 15); getContentPane().add(jlAarray3); jtxt3 = new JTextField(); jtxt3.setColumns(10); jtxt3.setBounds(142, 149, 144, 21); jtxt3.setEditable(false); getContentPane().add(jtxt3); jlAarray4.setBounds(307, 155, 54, 15); getContentPane().add(jlAarray4); jtxt4 = new JTextField(); jtxt4.setColumns(10); jtxt4.setBounds(347, 152, 144, 21); jtxt4.setEditable(false); getContentPane().add(jtxt4); jlAarray5.setBounds(501, 155, 54, 15); getContentPane().add(jlAarray5); jtxt5 = new JTextField(); jtxt5.setColumns(10); jtxt5.setBounds(540, 152, 144, 21); jtxt5.setEditable(false); getContentPane().add(jtxt5); jlAarray6.setBounds(78, 196, 54, 15); getContentPane().add(jlAarray6); jtxt6 = new JTextField(); jtxt6.setColumns(10); jtxt6.setBounds(142, 193, 144, 21); jtxt6.setEditable(false); getContentPane().add(jtxt6); jlAarray7.setBounds(308, 196, 40, 15); getContentPane().add(jlAarray7); jtxt7 = new JTextField(); jtxt7.setColumns(10); jtxt7.setBounds(347, 193, 144, 21); jtxt7.setEditable(false); getContentPane().add(jtxt7); jlAarray8.setBounds(501, 196, 54, 15); getContentPane().add(jlAarray8); jtxt8 = new JTextField(); jtxt8.setColumns(10); jtxt8.setBounds(540, 193, 144, 21); jtxt8.setEditable(false); getContentPane().add(jtxt8); jlAarray15.setBounds(78, 238, 54, 15); getContentPane().add(jlAarray15); jtxt15 = new JTextField(); jtxt15.setColumns(10); jtxt15.setBounds(142, 235, 542, 21); jtxt15.setEditable(false); getContentPane().add(jtxt15); jtxt17 = new JTextField(); jtxt17.setColumns(10); jtxt17.setBounds(142, 315, 144, 21); jtxt17.setEditable(false); getContentPane().add(jtxt17); jtxt18 = new JTextField(); jtxt18.setColumns(10); jtxt18.setBounds(347, 315, 144, 21); jtxt18.setEditable(false); getContentPane().add(jtxt18); lblNewLabel_2.setBounds(77, 318, 65, 15); getContentPane().add(lblNewLabel_2); lblNewLabel_3.setBounds(307, 318, 54, 15); getContentPane().add(lblNewLabel_3); lblNewLabel_4.setBounds(78, 359, 54, 15); getContentPane().add(lblNewLabel_4); jbArray.setBounds(89, 396, 93, 23); getContentPane().add(jbArray); jbArray1.setBounds(223, 396, 93, 23); getContentPane().add(jbArray1); jbArray2.setBounds(347, 396, 93, 23); getContentPane().add(jbArray2); jbArray3.setBounds(483, 396, 93, 23); getContentPane().add(jbArray3); label.setBounds(78, 279, 54, 15); getContentPane().add(label); jtxt16.setColumns(10); jtxt16.setBounds(142, 276, 542, 21); jtxt16.setEditable(false); getContentPane().add(jtxt16); QLb.setBounds(56, 49, 76, 15); getContentPane().add(QLb); tf.setBounds(142, 47, 144, 18); getContentPane().add(tf); tf.setColumns(10); QBtn.setBounds(303, 45, 93, 23); getContentPane().add(QBtn); QBtn.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { searchPerson(); } }); // 注册监听// jbArray.addActionListener(this);// jbArray1.addActionListener(this);// jbArray2.addActionListener(this);// jbArray3.addActionListener(this); // jbArray4.addActionListener(this); //db = new DataBase1(); //vtemp = db.getPerson();// 调用getPerson方法以获得职工信息 // image = db.getPic();// 获得照片信息 //db.dbClose(); this.setBounds(5, 5, 828, 509);// 设置窗体的大小位置 this.setVisible(true); // 设置窗体的可见性 } // 获得图片 public void actionPerformed(ActionEvent e) { } public void searchPerson() { String sql1 = "select employeeid,p_name,sex,p_birthday,city,nation,culture,graduate,graduate_school,spec,family_address,family_tel,mobile_tel from tbl_pw_main where employeeid=?"; String id = tf.getText().toString().trim(); try { Class.forName(DBDRIVER); conn = DriverManager.getConnection(DBURL,DBUSER,DBPASS); } catch (Exception e) { e.printStackTrace(); } try{ psmt = conn.prepareStatement(sql1); psmt.setString(1, id); rs = psmt.executeQuery(); while(rs.next()) { String str1 = rs.getString(1); String str2 = rs.getString(2); String str3 = rs.getString(3); String str4 = rs.getString(4); String str5 = rs.getString(5); String str6 = rs.getString(6); String str7 = rs.getString(7); String str8 = rs.getString(8); String str9 = rs.getString(9); String str10 = rs.getString(10); String str11 = rs.getString(11); String str12 = rs.getString(12); String str13 = rs.getString(13); jtxt.setText(str1); jtxt1.setText(str2); jtxt2.setText(str3); jtxt3.setText(str4); jtxt4.setText(str5); jtxt5.setText(str6); jtxt6.setText(str7); jtxt7.setText(str8); jtxt8.setText(str9); jtxt15.setText(str10); jtxt16.setText(str11); jtxt17.setText(str12); jtxt18.setText(str13); } rs.close(); psmt.close(); conn.close(); } catch (SQLException e) { e.printStackTrace(); } } public static void main(String[] args) { new CopyOfPerson(); }}