?? fram.java
字號:
package TangXuefang;
import java.awt.BorderLayout;
import java.awt.Dimension;
import javax.swing.JFrame;
import javax.swing.JPanel;
import java.awt.SystemColor;
import java.awt.*;
import javax.swing.JLabel;
import javax.swing.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Vector;
public class Fram extends JFrame {
DAO dao = new DAO();
JPanel contentPane;
JLabel jLabel1 = new JLabel();
JLabel jLabel2 = new JLabel();
JTextField jTextField1 = new JTextField();
JTextField jTextField2 = new JTextField();
JLabel jLabel3 = new JLabel();
JTextField jTextField3 = new JTextField();
JButton jButton1 = new JButton();
JButton jButton3 = new JButton();
JLabel jLabel4 = new JLabel();
JOptionPane jOptionPane1 = new JOptionPane();
public Fram() {
try {
setDefaultCloseOperation(EXIT_ON_CLOSE);
jbInit();
} catch (Exception exception) {
exception.printStackTrace();
}
}
/**
* Component initialization.
*
* @throws java.lang.Exception
*/
public static void main(String[] args) {
Fram p = new Fram();
}
private void jbInit() throws Exception {
contentPane = (JPanel) getContentPane();
contentPane.setLayout(null);
this.getContentPane().setBackground(SystemColor.textInactiveText);
setSize(new Dimension(457, 181));
setTitle("機票查詢系統");
jLabel1.setFont(new java.awt.Font("Dialog", Font.PLAIN, 15));
jLabel1.setHorizontalAlignment(SwingConstants.CENTER);
jLabel1.setText("出發城市");
jLabel1.setBounds(new Rectangle(4, 28, 100, 28));
jLabel2.setFont(new java.awt.Font("Dialog", Font.PLAIN, 15));
jLabel2.setHorizontalAlignment(SwingConstants.CENTER);
jLabel2.setText("乘客人數");
jLabel2.setBounds(new Rectangle(14, 70, 86, 37));
jTextField1.setBounds(new Rectangle(93, 25, 121, 28));
jTextField2.setBounds(new Rectangle(91, 70, 121, 27));
jLabel3.setFont(new java.awt.Font("Dialog", Font.PLAIN, 15));
jLabel3.setHorizontalAlignment(SwingConstants.CENTER);
jLabel3.setText("目的城市");
jLabel3.setBounds(new Rectangle(217, 26, 72, 31));
jTextField3.setBounds(new Rectangle(290, 25, 129, 28));
jButton1.setBounds(new Rectangle(262, 71, 64, 28));
jButton1.setFont(new java.awt.Font("Dialog", Font.PLAIN, 13));
jButton1.setText("查詢");
jButton1.addActionListener(new Fram_jButton1_actionAdapter(this));
jButton3.setBounds(new Rectangle(340, 70, 64, 28));
jButton3.setFont(new java.awt.Font("Dialog", Font.PLAIN, 13));
jButton3.setText("重置");
jButton3.addActionListener(new Fram_jButton3_actionAdapter(this));
jLabel4.setBorder(BorderFactory.createEtchedBorder());
jLabel4.setBounds(new Rectangle(11, 10, 423, 108));
contentPane.setBackground(UIManager.getColor("Button.shadow"));
jOptionPane1.setBounds(new Rectangle(104, 249, 262, 90));
contentPane.add(jLabel1);
contentPane.add(jLabel2);
contentPane.add(jTextField1);
contentPane.add(jTextField2);
contentPane.add(jLabel3);
contentPane.add(jTextField3);
contentPane.add(jButton1);
contentPane.add(jButton3);
contentPane.add(jLabel4);
contentPane.add(jOptionPane1);
}
/*查詢事件的監聽,判斷,查詢*/
public void jButton1_actionPerformed(ActionEvent e) {
String a = this.jTextField1.getText();
String b = this.jTextField2.getText();
String c = this.jTextField3.getText();
//一個判斷人數的輸入值是否為數字的循環
int i;
for (i = 0; i < b.length(); i++) {
//判斷是否為數字
if (!Character.isDigit(b.charAt(i))) {
break;
}
}
if (a.equals("") || b.equals("") || c.equals("")) {
this.jOptionPane1.showMessageDialog(this, "信息填寫不完整,無法進行查找!", "錯誤",
JOptionPane.ERROR_MESSAGE);
} else {
if (i < b.length()) {
this.jOptionPane1.showMessageDialog(this, "你輸入人數的數據類型不符?(數字)");
} else {
bean d = new bean(); //實例一個對象
d.setLeavecity(a);
d.setDestination(c);
d.setEconum(b);
Vector v = dao.select(d); //dao為一個實例的數據庫操作的全局對象
if (v.size() == 0) {
this.jOptionPane1.showMessageDialog(this, "沒有你要的航班,請重新查詢!");
} else {
String[] f = dao.verdict(d); //調用區分大小寫的方法
if (f[0].equals(a) && f[1].equals(c)) {
this.jOptionPane1.showMessageDialog(this,
"查詢出" + v.size() + "個航班" + v);
} else {
this.jOptionPane1.showMessageDialog(this,
"請確定你的輸入是否區分大小寫?",
"錯誤",
JOptionPane.QUESTION_MESSAGE);
}
}
}
}
}
/*重置事件的監聽,恢復初始界面*/
public void jButton3_actionPerformed(ActionEvent e) {
this.jTextField1.setText("");
this.jTextField2.setText("");
this.jTextField3.setText("");
}
}
class Fram_jButton3_actionAdapter implements ActionListener {
private Fram adaptee;
Fram_jButton3_actionAdapter(Fram adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.jButton3_actionPerformed(e);
}
}
class Fram_jButton1_actionAdapter implements ActionListener {
private Fram adaptee;
Fram_jButton1_actionAdapter(Fram adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.jButton1_actionPerformed(e);
}
}
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -