?? booklist.java
字號:
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.*; //引入包sqljava.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 bookList
extends JFrame {
//定義結(jié)果集
ResultSet rs;
//定義數(shù)據(jù)庫操作對象
private DBManager db = new DBManager();
Vector tempvector = new Vector(1, 1);
//定義DefaultTableModel模型
DefaultTableModel model = new DefaultTableModel();
//定義JTable為DefaultTableModel的實(shí)例model模式
JTable jTableResult = new JTable(model);
XYLayout xYLayout1 = new XYLayout();
JScrollPane jScrollPane1 = new JScrollPane();
JButton jButtonSearch = new JButton();
JLabel jLabel1 = new JLabel();
JTextField jTextFieldname = new JTextField();
JLabel jLabel2 = new JLabel();
JTextField jTextFieldpress = new JTextField();
JLabel jLabel3 = new JLabel();
JTextField jTextFieldauthor = new JTextField();
public bookList() {
try {
jbInit();
}
catch (Exception e) {
e.printStackTrace();
}
}
public static void main(String[] args) {
bookList bookList = new bookList();
}
private void jbInit() throws Exception {
xYLayout1.setWidth(564);
xYLayout1.setHeight(374);
this.getContentPane().setLayout(xYLayout1);
jButtonSearch.setText("查詢");
jButtonSearch.addMouseListener(new bookList_jButtonSearch_mouseAdapter(this));
jButtonSearch.setFont(new java.awt.Font("Dialog", 0, 16));
// model中加入列名
model.addColumn("書名");
model.addColumn("出版社");
model.addColumn("作者");
model.addColumn("地址");
model.addColumn("出版日期");
model.addColumn("定價");
model.addColumn("評論");
jLabel1.setFont(new java.awt.Font("Dialog", 0, 16));
jLabel1.setText("名稱");
jTextFieldname.setFont(new java.awt.Font("Dialog", 0, 16));
jTextFieldname.setText("");
jLabel2.setFont(new java.awt.Font("Dialog", 0, 16));
jLabel2.setText("出版社");
jTextFieldpress.setFont(new java.awt.Font("Dialog", 0, 16));
jTextFieldpress.setText("");
jLabel3.setText("作者");
jLabel3.setFont(new java.awt.Font("Dialog", 0, 16));
jTextFieldauthor.setFont(new java.awt.Font("Dialog", 0, 16));
jTextFieldauthor.setText("");
this.setTitle("書籍信息查詢");
this.getContentPane().add(jScrollPane1, new XYConstraints(18, 102, 530, 253));
this.getContentPane().add(jLabel1, new XYConstraints(27, 21, 92, 27));
this.getContentPane().add(jTextFieldname,
new XYConstraints(138, 22, 116, -1));
this.getContentPane().add(jTextFieldauthor,
new XYConstraints(384, 20, 139, 27));
this.getContentPane().add(jLabel3, new XYConstraints(305, 23, 62, -1));
this.getContentPane().add(jLabel2, new XYConstraints(24, 67, 91, -1));
this.getContentPane().add(jTextFieldpress,
new XYConstraints(137, 59, 117, 28));
this.getContentPane().add(jButtonSearch, new XYConstraints(385, 59, 136, 28));
jScrollPane1.getViewport().add(jTableResult, null);
}
//加載數(shù)據(jù)
void jButtonSearch_mouseClicked(MouseEvent e) {
String strSQL;
//
boolean isFirst = true;
//檢驗(yàn)書目是否存在
strSQL = "select * from Books ";
if (!jTextFieldname.getText().trim().equals("")) {
strSQL = strSQL + " where Bookname='" + jTextFieldname.getText().trim() +
"'";
isFirst = false;
}
if (!jTextFieldpress.getText().trim().equals("")) {
if (isFirst) {
strSQL = strSQL + " where Press='" + jTextFieldpress.getText().trim() +
"'";
isFirst = false;
}
else {
strSQL = strSQL + " and Press='" + jTextFieldpress.getText().trim() +
"'";
}
}
if (!jTextFieldauthor.getText().trim().equals("")) {
if (isFirst) {
strSQL = strSQL + " where Author='" + jTextFieldauthor.getText().trim() +
"'";
isFirst = false;
}
else {
strSQL = strSQL + " and Author='" + jTextFieldauthor.getText().trim() +
"'";
}
}
rs = db.getResult(strSQL);
boolean isexist = false;
try {
isexist = rs.first();
}
catch (SQLException ex1) {
JOptionPane.showMessageDialog(null, "ex1.toString() " + ex1.toString());
}
//若書目不存在,提示警告信息提醒用戶
if (!isexist) {
JOptionPane.showMessageDialog(null, "書庫中沒有書目,請確認(rèn)!");
return;
}
//若存在,執(zhí)行以下操作
//清空model中的對象
for (int n = model.getRowCount() - 1; n >= 0; n--)
model.removeRow(n);
try {
rs.beforeFirst();
while (rs.next()) {
tempvector = new Vector(1, 1);
tempvector.add(rs.getString("Bookname"));
tempvector.add(rs.getString("Press"));
tempvector.add(rs.getString("Author"));
tempvector.add(rs.getString("Address"));
tempvector.add(rs.getString("Pressdate"));
tempvector.add(rs.getString("Price"));
tempvector.add(rs.getString("Comment"));
model.addRow(tempvector);
}
}
catch (SQLException ex) {
JOptionPane.showMessageDialog(null, "ex.toString() :" + ex.toString());
}
}
}
class bookList_jButtonSearch_mouseAdapter
extends java.awt.event.MouseAdapter {
bookList adaptee;
bookList_jButtonSearch_mouseAdapter(bookList adaptee) {
this.adaptee = adaptee;
}
public void mouseClicked(MouseEvent e) {
adaptee.jButtonSearch_mouseClicked(e);
}
}
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