[Java]小作品－訂單管理系統

• 使用MVC來做出一個簡單作品
• M(Model)

1. DataBase(表)

2. Class－＞uml圖

• V(View)

－＞UI介面

－＞新增畫面

• Controller
• [database]

public class order {

private String name;
private int lcd, ram, mouse;

public order(String name, int lcd, int ram, int mouse) {

this.name = name;
if (lcd > 0) {
this.lcd = lcd;
}
if (ram > 0) {
this.ram = ram;
}
if (mouse > 0) {
this.mouse = mouse;
}
}

public void setName(String name) {
this.name = name;
}

public void setLcd(int lcd) {
this.lcd = lcd;
}

public void setRam(int ram) {
this.ram = ram;
}

public void setMouse(int mouse) {
this.mouse = mouse;
}

public String getName() {
return name;
}

public int getLcd() {
return lcd;
}

public int getRam() {
return ram;
}

public int getMouse() {
return mouse;
}

}

• [UI]

public class orderUI extends javax.swing.JFrame {

/**
* Creates new form orderUI
*/
public orderUI() {
initComponents();
}

/**
* This method is called from within the constructor to initialize the form.
* WARNING: Do NOT modify this code. The content of this method is always
* regenerated by the Form Editor.
*/
@SuppressWarnings(“unchecked”)
// <editor-fold defaultstate=”collapsed” desc=”Generated Code”>
private void initComponents() {

jPanel1 = new javax.swing.JPanel();
jLabel1 = new javax.swing.JLabel();
jPanel2 = new javax.swing.JPanel();
jLabel2 = new javax.swing.JLabel();
jLabel3 = new javax.swing.JLabel();
jLabel4 = new javax.swing.JLabel();
jLabel5 = new javax.swing.JLabel();
name = new javax.swing.JTextField();
lcd = new javax.swing.JTextField();
ram = new javax.swing.JTextField();
mouse = new javax.swing.JTextField();
enter = new javax.swing.JButton();
jPanel3 = new javax.swing.JPanel();
jScrollPane1 = new javax.swing.JScrollPane();
ans = new javax.swing.JTextArea();

setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

jPanel1.setBackground(new java.awt.Color(255, 153, 0));

jLabel1.setFont(new java.awt.Font(“王漢宗綜藝體繁”, 0, 18)); // NOI18N
jLabel1.setText(“南科訂單系統”);

javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
jPanel1.setLayout(jPanel1Layout);
jPanel1Layout.setHorizontalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addGap(145, 145, 145)
.addComponent(jLabel1)
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);
jPanel1Layout.setVerticalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addContainerGap()
.addComponent(jLabel1)
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);

jPanel2.setBackground(new java.awt.Color(204, 204, 204));

jLabel2.setFont(new java.awt.Font(“王漢宗綜藝體繁”, 0, 15)); // NOI18N
jLabel2.setText(“姓名：”);

jLabel3.setFont(new java.awt.Font(“王漢宗綜藝體繁”, 0, 15)); // NOI18N
jLabel3.setText(“LCD:”);

jLabel4.setFont(new java.awt.Font(“王漢宗綜藝體繁”, 0, 15)); // NOI18N
jLabel4.setText(“RAM:”);

jLabel5.setFont(new java.awt.Font(“王漢宗綜藝體繁”, 0, 15)); // NOI18N
jLabel5.setText(“MOUSE:”);

name.setFont(new java.awt.Font(“王漢宗綜藝體繁”, 0, 15)); // NOI18N

lcd.setFont(new java.awt.Font(“王漢宗綜藝體繁”, 0, 15)); // NOI18N

ram.setFont(new java.awt.Font(“王漢宗綜藝體繁”, 0, 15)); // NOI18N

mouse.setFont(new java.awt.Font(“王漢宗綜藝體繁”, 0, 15)); // NOI18N

enter.setBackground(new java.awt.Color(255, 153, 0));
enter.setFont(new java.awt.Font(“王漢宗綜藝體繁”, 0, 15)); // NOI18N
enter.setText(“送出”);
enter.addMouseListener(new java.awt.event.MouseAdapter() {
public void mouseClicked(java.awt.event.MouseEvent evt) {
enterMouseClicked(evt);
}
});

javax.swing.GroupLayout jPanel2Layout = new javax.swing.GroupLayout(jPanel2);
jPanel2.setLayout(jPanel2Layout);
jPanel2Layout.setHorizontalGroup(
jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel2Layout.createSequentialGroup()
.addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel2Layout.createSequentialGroup()
.addComponent(jLabel2)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(name))
.addGroup(jPanel2Layout.createSequentialGroup()
.addComponent(jLabel3)
.addGap(14, 14, 14)
.addComponent(lcd))
.addGroup(jPanel2Layout.createSequentialGroup()
.addComponent(jLabel4)
.addGap(12, 12, 12)
.addComponent(ram)))
.addGap(14, 14, 14))
.addGroup(jPanel2Layout.createSequentialGroup()
.addComponent(jLabel5)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(mouse, javax.swing.GroupLayout.DEFAULT_SIZE, 114, Short.MAX_VALUE)
.addContainerGap())
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel2Layout.createSequentialGroup()
.addGap(0, 0, Short.MAX_VALUE)
.addComponent(enter)
.addContainerGap())
);
jPanel2Layout.setVerticalGroup(
jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel2Layout.createSequentialGroup()
.addGap(24, 24, 24)
.addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel2)
.addComponent(name, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel3)
.addComponent(lcd, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel4)
.addComponent(ram, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel5)
.addComponent(mouse, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(enter)
.addContainerGap(61, Short.MAX_VALUE))
);

jPanel3.setBackground(new java.awt.Color(255, 255, 204));

ans.setColumns(20);
ans.setRows(5);
jScrollPane1.setViewportView(ans);

javax.swing.GroupLayout jPanel3Layout = new javax.swing.GroupLayout(jPanel3);
jPanel3.setLayout(jPanel3Layout);
jPanel3Layout.setHorizontalGroup(
jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 217, Short.MAX_VALUE)
);
jPanel3Layout.setVerticalGroup(
jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jScrollPane1)
);

javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addGroup(layout.createSequentialGroup()
.addComponent(jPanel2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jPanel3, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jPanel2, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(jPanel3, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)))
);

pack();
}// </editor-fold>

private void enterMouseClicked(java.awt.event.MouseEvent evt) {
// TODO add your handling code here:
String Name = name.getText();
int Lcd = Integer.parseInt(lcd.getText());
int Ram = Integer.parseInt(ram.getText());
int Mouse = Integer.parseInt(mouse.getText());

order o = new order(Name, Lcd, Ram, Mouse);

ans.setText(“Congratulations,You are sent a new order!”
+ “\nname:” + o.getName()
+ “\nLCD:” + o.getLcd()
+ “\nRAM:” + o.getRam()
+ “\nMOUSE:” + o.getMouse());

}

/**
* @param args the command line arguments
*/
public static void main(String args[]) {
/* Set the Nimbus look and feel */
//<editor-fold defaultstate=”collapsed” desc=” Look and feel setting code (optional) “>
/* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
* For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
*/
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(orderUI.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (InstantiationException ex) {
java.util.logging.Logger.getLogger(orderUI.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
java.util.logging.Logger.getLogger(orderUI.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger(orderUI.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
}
//</editor-fold>

/* Create and display the form */
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new orderUI().setVisible(true);
}
});
}

// Variables declaration — do not modify
private javax.swing.JTextArea ans;
private javax.swing.JButton enter;
private javax.swing.JLabel jLabel1;
private javax.swing.JLabel jLabel2;
private javax.swing.JLabel jLabel3;
private javax.swing.JLabel jLabel4;
private javax.swing.JLabel jLabel5;
private javax.swing.JPanel jPanel1;
private javax.swing.JPanel jPanel2;
private javax.swing.JPanel jPanel3;
private javax.swing.JScrollPane jScrollPane1;
private javax.swing.JTextField lcd;
private javax.swing.JTextField mouse;
private javax.swing.JTextField name;
private javax.swing.JTextField ram;
// End of variables declaration
}

• 當按下送出之後，姓名、成績會直接顯示在底下的黃色框框中

(在UI打的粗體字程式碼)