锘??xml version="1.0" encoding="utf-8" standalone="yes"?>
Writer 杈撳嚭嫻?br />
InputStreamReader 璇誨叆嫻伮?OutputStreamWriter 杈撳嚭嫻?br />
BufferedRead BufferedWriter聽 緙撳啿嫻?br />
灝佽褰㈠紡
鈥斺斺斺斺斺?br />
鍔熻兘嫻?瀛楃嫻侊紙瀛楄妭嫻侊級)
<浠ヤ笂涓哄浘鐗囨樉紺猴紝濡傛兂鏌ョ湅錛岃鍙抽敭鐐瑰嚮鏌ョ湅鍥劇墖銆傛垨鑰呮煡鐪嬬浉鍐孞ava鏂囦歡嫻併?gt;
]]>
聽1
import
聽java.awt.
*
;
聽2
import
聽java.awt.event.
*
;
聽3
import
聽javax.swing.
*
;
聽4
class
聽PlafPanel聽
extends
聽JPanel
{
聽5
聽聽聽聽
public
聽PlafPanel()
{
聽6
聽聽聽聽聽聽聽聽makeButton(
"
Metal
"
,
"
javax.swing.plaf.metal.MetalLookAndFeel
"
);
聽7
聽聽聽聽聽聽聽聽makeButton(
"
Motif
"
,
"
com.sun.java.swing.plaf.motif.MotifLookAndFeel
"
);
聽8
聽聽聽聽聽聽聽聽makeButton(
"
Windows
"
,
"
com.sun.java.swing.plaf.windows.WindowsLookAndFeel
"
);
聽9
聽聽聽聽}
10
聽聽聽聽
void
聽makeButton(String聽name,
final
聽String聽plafName)
{
11
聽聽聽聽聽聽聽聽JButton聽button
=
new
聽JButton(name);
12
聽聽聽聽聽聽聽聽add(button);
13
聽聽聽聽聽聽聽聽button.addActionListener(
new
聽ActionListener()
{
14
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽
public
聽
void
聽actionPerformed(ActionEvent聽event)
{
15
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽
try
{
16
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽UIManager.setLookAndFeel(plafName);
17
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽SwingUtilities.updateComponentTreeUI(PlafPanel.
this
);
18
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽}
19
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽
catch
(Exception聽e)
{
20
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽e.printStackTrace();
21
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽}
22
聽聽聽聽聽聽聽聽聽聽聽聽}
23
聽聽聽聽聽聽聽聽}
);
24
聽聽聽聽}
25
聽聽聽聽
26
}
27
class
聽PlafFrame聽
extends
聽JFrame
{
28
聽聽聽聽
public
聽
static
聽
final
聽
int
聽DEFAULT_WIDTH
=
300
;
29
聽聽聽聽
public
聽
static
聽
final
聽
int
聽DEFAULT_HEIGHT
=
200
;
30
聽聽聽聽
public
聽PlafFrame()
{
31
聽聽聽聽聽聽聽聽setTitle(
"
PlafTest
"
);
32
聽聽聽聽聽聽聽聽setSize(DEFAULT_WIDTH,DEFAULT_HEIGHT);
33
聽聽聽聽聽聽聽聽PlafPanel聽panel
=
new
聽PlafPanel();
34
聽聽聽聽聽聽聽聽Container聽contentPane
=
getContentPane();
35
聽聽聽聽聽聽聽聽contentPane.add(panel);
36
聽聽聽聽}
37
}
38
public
聽
class
聽PlafTest聽
{
39
聽聽聽聽
public
聽
static
聽
void
聽main(String[]聽args)
{
40
聽聽聽聽聽聽聽聽PlafFrame聽frame
=
new
聽PlafFrame();
41
聽聽聽聽聽聽聽聽frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
42
聽聽聽聽聽聽聽聽frame.setVisible(
true
);
43
聽聽聽聽}
44
}
45
]]>
聽1
import
聽java.awt.
*
;
聽2
import
聽javax.swing.
*
;
聽3
import
聽javax.swing.text.
*
;
聽4
import
聽java.awt.event.
*
;
聽5
聽6
public
聽
class
聽TextFieldDemo聽
extends
聽JFrame
聽7
{
聽8
聽聽聽聽
public
聽TextFieldDemo()
聽9
聽聽聽聽
{
10
11
聽聽聽聽聽聽聽聽Container聽contentPane
=
聽
this
.getContentPane();
12
13
聽聽聽聽聽聽聽聽contentPane.setLayout(
new
聽FlowLayout());
14
聽聽聽聽聽聽聽聽
//
鍐呭紿楁牸瀹瑰櫒涓姞鍏ヤ袱涓枃鏈粍浠訛紝絎竴涓彧鑳借緭鍏ユ暟瀛椔犅犅犅犅犅犅犅?/span>
15
聽聽聽聽聽聽聽聽DigitalText聽txtDigitalText聽
=
聽
new
聽DigitalText(
10
);
16
聽聽聽聽聽聽聽聽JTextField聽txtNormal聽
=
聽
new
聽JTextField(
10
);
17
聽聽聽聽聽聽聽聽
//
JTextArea聽txtNormal=new聽JTextArea();
18
聽聽聽聽聽聽聽聽contentPane.add(
new
聽JLabel(
"
鏁板瓧鏂囨湰妗?/span>
"
));
19
聽聽聽聽聽聽聽聽contentPane.add(txtDigitalText);
20
聽聽聽聽聽聽聽聽contentPane.add(
new
聽JLabel(
"
浠繪剰鏂囨湰妗?/span>
"
));
21
聽聽聽聽聽聽聽聽contentPane.add(txtNormal);
22
23
聽聽聽聽聽聽聽聽pack();
24
聽聽聽聽聽聽聽聽setVisible(
true
);
25
聽聽聽聽聽聽聽聽setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
26
聽聽聽聽}
27
28
聽聽聽聽
public
聽
static
聽
void
聽main(String聽args[])聽
29
聽聽聽聽
{
30
聽聽聽聽聽聽聽聽聽TextFieldDemo聽frame聽
=
聽
new
聽TextFieldDemo();
31
聽聽聽聽}
32
}
33
//
璇ョ被浠嶫TextField涓淳鐢燂紝鍙厑璁哥敤鎴瘋緭鍏ユ暟瀛?/span>
34
class
聽DigitalText聽
extends
聽JTextField
35
{
36
聽聽聽聽
public
聽DigitalText()
37
聽聽聽聽
{
38
聽聽聽聽}
39
聽聽聽聽聽聽聽
public
聽DigitalText(聽
int
聽column)
40
聽聽聽聽
{
41
聽聽聽聽聽聽聽聽
super
(column);
42
聽聽聽聽}
43
聽聽聽聽
public
聽DigitalText(String聽strText,聽
int
聽column)
44
聽聽聽聽
{
45
聽聽聽聽聽聽聽聽
super
(strText,column);
46
聽聽聽聽}
47
聽聽聽聽
protected
聽Document聽createDefaultModel()
48
聽聽聽聽
{
49
聽聽聽聽聽聽聽聽
return
聽
new
聽DigitalTextDocument();
50
聽聽聽聽}
51
聽聽聽聽
52
聽聽聽聽
class
聽DigitalTextDocument聽
extends
聽PlainDocument
53
聽聽聽聽
{
54
聽聽聽聽聽聽聽聽
public
聽
void
聽insertString(聽
int
聽offs,聽String聽str,聽AttributeSet聽a)聽
throws
聽BadLocationException
55
聽聽聽聽聽聽聽聽
{
56
聽聽聽聽聽聽聽聽聽聽聽聽
if
(聽str聽
==
聽
null
聽)聽
return
;
57
聽聽聽聽聽聽聽聽聽聽聽聽
try
58
聽聽聽聽聽聽聽聽聽聽聽聽
{
59
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽Integer.parseInt(str);
60
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽
super
.insertString(offs,str,a);
61
聽聽聽聽聽聽聽聽聽聽聽聽}
62
聽聽聽聽聽聽聽聽聽聽聽聽
catch
聽(聽NumberFormatException聽e)
63
聽聽聽聽聽聽聽聽聽聽聽聽
{
64
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽JOptionPane.showMessageDialog(
null
,
"
璇瘋緭鍏ユ暟瀛椼?/span>
"
,
"
楠岃瘉閿欒
"
,JOptionPane.ERROR_MESSAGE);聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽
65
聽聽聽聽聽聽聽聽聽聽聽聽}
66
聽聽聽聽聽聽聽聽}
67
聽聽聽聽}
68
}
]]>
聽1
import
聽java.awt.
*
;
聽2
import
聽javax.swing.
*
;
聽3
import
聽javax.swing.text.
*
;
聽4
import
聽java.awt.event.
*
;
聽5
聽6
public
聽
class
聽TextFieldDemo聽
extends
聽JFrame
聽7
{
聽8
聽聽聽聽
public
聽TextFieldDemo()
聽9
聽聽聽聽
{
10
11
聽聽聽聽聽聽聽聽Container聽contentPane
=
聽
this
.getContentPane();
12
13
聽聽聽聽聽聽聽聽contentPane.setLayout(
new
聽FlowLayout());聽聽聽聽聽聽
14
聽聽聽聽聽聽聽聽DigitalText聽txtDigitalText聽
=
聽
new
聽DigitalText(
10
,
10
);
15
聽聽聽聽聽聽聽聽contentPane.add(
new
聽JLabel(
"
鏂囨湰妗?/span>
"
));
16
聽聽聽聽聽聽聽聽contentPane.add(txtDigitalText);
17
聽聽聽聽聽聽聽
18
19
聽聽聽聽聽聽聽聽pack();
20
聽聽聽聽聽聽聽聽setVisible(
true
);
21
聽聽聽聽聽聽聽聽setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
22
聽聽聽聽}
23
24
聽聽聽聽
public
聽
static
聽
void
聽main(String聽args[])聽
25
聽聽聽聽
{
26
聽聽聽聽聽聽聽聽聽TextFieldDemo聽frame聽
=
聽
new
聽TextFieldDemo();
27
聽聽聽聽}
28
}
29
//
鐢ㄦ埛鑷畾涔夌被
30
class
聽DigitalText聽
extends
聽JTextField聽
31
{
32
聽聽聽聽
int
聽len;
33
聽聽聽聽
public
聽DigitalText(
int
聽len)
34
聽聽聽聽
{
35
聽聽聽聽聽聽聽聽
this
.len
=
len;
36
聽聽聽聽}
37
聽聽聽聽聽聽聽
public
聽DigitalText(聽
int
聽column,
int
聽len)
38
聽聽聽聽
{
39
40
聽聽聽聽聽聽聽聽
super
(column);
41
聽聽聽聽聽聽聽聽
this
.len
=
len;
42
聽聽聽聽}
43
聽聽聽聽
public
聽DigitalText(String聽strText,聽
int
聽column,
int
聽len)
44
聽聽聽聽
{
45
聽聽聽聽聽聽聽聽
super
(strText,column);
46
聽聽聽聽聽聽聽聽
this
.len
=
len;
47
聽聽聽聽}
48
聽聽聽聽
protected
聽Document聽createDefaultModel()
49
聽聽聽聽
{
50
聽聽聽聽聽聽聽聽
return
聽
new
聽DigitalTextDocument();
51
聽聽聽聽}
52
聽聽聽聽
53
聽聽聽聽
class
聽DigitalTextDocument聽
extends
聽PlainDocument聽
54
聽聽聽聽
{
55
聽聽聽聽聽聽聽聽
public
聽
void
聽insertString(聽
int
聽offs,聽String聽str,聽AttributeSet聽聽a)聽
throws
聽BadLocationException
56
聽聽聽聽聽聽聽聽
{
57
聽聽聽聽聽聽聽聽聽聽聽聽
if
(聽str聽
==
聽
null
聽)聽
return
;聽聽聽聽聽聽聽聽聽聽聽
58
聽聽聽聽聽聽聽聽聽聽聽聽
if
((
this
.getLength()
+
str.length())
>
len)
59
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽
return
;
60
聽聽聽聽聽聽聽聽聽聽聽聽
super
.insertString(offs,str,a);
61
聽聽聽聽聽聽聽聽}
62
聽聽聽聽}
63
64
}
]]>
聽1
import
聽java.io.
*
;
聽2
import
聽java.util.
*
;
聽3
聽4
class
聽ReadVectorObj
聽5
{
聽6
聽聽聽聽
public
聽
static
聽
void
聽聽main聽(String[]聽args)
聽7
聽聽聽聽
{
聽8
聽聽聽聽聽聽聽聽
try
聽9
聽聽聽聽聽聽聽聽
{
10
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽
/**/
/*
聽鎵撳紑鏂囦歡錛岃鍙朧ector聽瀛樻斁鐨勫璞℃暟鎹?/span>
*/
11
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽FileInputStream聽objfile聽
=
聽
new
聽FileInputStream(
"
testvector.obj
"
);
12
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽ObjectInputStream聽q聽
=
聽
new
聽ObjectInputStream(objfile);
13
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽
/**/
/*
聽鑾峰彇瀵硅薄鍘熷鏁版嵁聽
*/
14
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽TestVector聽myvector聽
=
聽(TestVector)q.readObject();
15
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽myvector.print();聽
16
聽聽聽聽聽聽聽聽}
17
聽聽聽聽聽聽聽聽
catch
聽(Exception聽e)聽
18
聽聽聽聽聽聽聽聽
{
19
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽e.printStackTrace();聽聽
20
聽聽聽聽聽聽聽聽}
21
聽聽聽聽}
22
}
]]>