我的第一个java程序 简单图书管理系统

package guomeiling.frame; import guomeiling.file.BookExport; import guomeiling.file.BookImport; import guomeiling.model.Book; import guomeiling.service.BookDAO; import java.awt.*; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.io.File; import java.util.ArrayList; import java.util.List; import javax.swing.*; import javax.swing.table.DefaultTableModel; /** * 实现物料列表窗口 * @author */ public class BookListFrame extends JFrame { private javax.swing.JButton jButton1; private javax.swing.JButton jButton2; private javax.swing.JButton jButton3; private javax.swing.JButton jButton4; private javax.swing.JButton jButton5; private javax.swing.JButton jButton6; private javax.swing.JButton jButton7; private javax.swing.JButton jButton8; private javax.swing.JButton jButton9; private javax.swing.JLabel jLabel1; private javax.swing.JLabel jLabel2; private javax.swing.JLabel jLabel3; private javax.swing.JScrollPane jScrollPane1; private javax.swing.JTable jTable1; private javax.swing.JTextField jTextField1; private javax.swing.JTextField jTextField2; //设一个二维数组，用来存放无聊列表中的数据信息 Object[][] object = null; /** * 默认构造函数 */ public BookListFrame (){ super("图书管理"); //设置窗体名称 initComponents(); //调用实现窗口功能的函数 } /** * 设置窗口中各个标签，按钮，文本字段的大小，名称位置 * 连接按钮实现的功能 */ private void initComponents() { jLabel1 = new javax.swing.JLabel(); jTextField1 = new javax.swing.JTextField(7); jLabel2 = new javax.swing.JLabel(); jTextField2 = new javax.swing.JTextField(7); jButton1 = new javax.swing.JButton(); jLabel3 = new javax.swing.JLabel(); jScrollPane1 = new javax.swing.JScrollPane(); jTable1 = new javax.swing.JTable(); jButton2 = new javax.swing.JButton(); jButton3 = new javax.swing.JButton(); jButton4 = new javax.swing.JButton(); jButton5 = new javax.swing.JButton(); jButton6 = new javax.swing.JButton(); jButton7 = new javax.swing.JButton(); jButton8 = new javax.swing.JButton(); jButton9 = new javax.swing.JButton(); jLabel1.setText("书名"); jLabel2.setText("作者"); jLabel3.setVerticalAlignment(jLabel3.CENTER); jLabel3.setText("图书管理"); jButton1.setText("查询"); jButton2.setText("插入"); jButton3.setText("修改"); jButton4.setText("导入"); jButton5.setText("导出"); jButton6.setText("显示所有"); jButton7.setText("删除"); jButton8.setText("关闭"); jButton9.setText("检索仓库类型"); jScrollPane1.setViewportView(jTable1); /** * 设置各标签,按钮在窗体的位置和大小 * 插入到窗体中 */ org.jdesktop.layout.GroupLayout layout = new org.jdesktop.layout.GroupLayout(getContentPane()); getContentPane().setLayout(layout); layout.setHorizontalGroup( layout.createParallelGroup (org.jdesktop.layout.GroupLayout.LEADING) .add(layout.createSequentialGroup() .add(layout.createParallelGroup (org.jdesktop.layout.GroupLayout.LEADING) .add(layout.createSequentialGroup() .add(23, 23, 23) .add(layout.createParallelGroup (org.jdesktop.layout.GroupLayout.TRAILING) .add(jLabel3) .add(layout.createSequentialGroup() .add(jLabel1) .addPreferredGap (org.jdesktop.layout.LayoutStyle.UNRELATED) .add(jTextField1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE) .add(18, 18, 18) .add(jLabel2))) .add(18, 18, 18) .add(jTextField2, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE) .add(18, 18, 18) .add(jButton1)) .add(layout.createSequentialGroup() .addContainerGap() .add(jScrollPane1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)) .add(layout.createSequentialGroup() .addContainerGap() .add(jButton2) .add(18, 18, 18) .add(jButton3) .addPreferredGap (org.jdesktop.layout.LayoutStyle.UNRELATED) .add(jButton4) .addPreferredGap (org.jdesktop.layout.LayoutStyle.RELATED) .add(jButton5) .addPreferredGap (org.jdesktop.layout.LayoutStyle.UNRELATED) .add(jButton6) .addPreferredGap (org.jdesktop.layout.LayoutStyle.RELATED) .add(jButton7) .addPreferredGap (org.jdesktop.layout.LayoutStyle.RELATED) .add(jButton9) .addPreferredGap (org.jdesktop.layout.LayoutStyle.RELATED) .add(jButton8))) .addContainerGap(31, Short.MAX_VALUE)) ); layout.setVerticalGroup( layout.createParallelGroup (org.jdesktop.layout.GroupLayout.LEADING) .add(layout.createSequentialGroup() .add(4, 4, 4) .add(jLabel3) .addPreferredGap (org.jdesktop.layout.LayoutStyle.RELATED) .add(layout.createParallelGroup (org.jdesktop.layout.GroupLayout.BASELINE) .add(jTextField1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE) .add(jTextField2, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE) .add(jLabel2) .add(jLabel1) .add(jButton1)) .addPreferredGap (org.jdesktop.layout.LayoutStyle.RELATED) .add(jScrollPane1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 203, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE) .add(20, 20, 20) .add(layout.createParallelGroup (org.jdesktop.layout.GroupLayout.BASELINE) .add(jButton2) .add(jButton3) .add(jButto