JSP คืออะไร - Thaiall.com

http://www.thaiall.com/class

Page:
1

การโปรแกรมเชิงวัตถุด
้
วยภาษา
JAVA

บุรินทร
์
รุจจนพันธุ
์

.

ปรับปรุง
10
มกราคม
255
1

แอพเพล
็
ตเบื้องต
้
น
(Applet)

มหาวิทยาลัยเนชั่น

http://
www.
nation.
ac.th

http://www.thaiall.com/class

Page:
2

กราฟฟิกในเว็บเพจแบบอิน
เทอร
์
แอ็กทีฟ

x.htm

<applet code="x.class"

width=200 height=50>

</applet>






DOS>
appletviewer x.htm

http://www.thaiall.com/class

Page:
3

เขียนตัวอักษร
(
1
/
4
)

import java.applet.*;

import java.awt.*;

public class x extends Applet {


public void paint(Graphics g) {


g.setColor(new Color(
240
,
0
,
0
))
;


g.drawString("test",
10
,
20
)
;


}

}

test

20

10

Y

X

http://www.thaiall.com/class

Page:
4

เขียนตัวอักษร
(
2
/
4
)

RGB (Red Green Blue)

<font face=#
00
ff
00
size=
0
>

Color Sample

Hexadecimal:
000000

Decimal :
0
,
0
,
0

Hexadecimal: ffdddd

Decimal :
255
,
238
,
238

Hexadecimal:
00
ff
00

Decimal :
0
,
255
,
0

Hexadecimal: ddddff

Decimal :
238
,
238
,
255

http://www.thaiall.com/class

Page:
5

เขียนตัวอักษร
(
3
/
4
)

test

20

10

Y

X

g.drawString("test",
10
,
20
)
;

http://www.yonok.ac.th/pmy/j
2
sdk
-
1
_
4
_
2
-
doc.zip

http://www.thaiall.com/class

Page:
6

เขียนตัวอักษร
(
4
/
4
)

1

2

3

4

5

6

7

8

9

10

70

72

Y

X

import java.applet.*;

import java.awt.*;

public class j
1102
extends Applet {


int i,j;


String istr,p;


public void init() {


setBackground(Color.yellow);


p = getParameter("x");


}


public void paint(Graphics g) {


g.setColor(Color.black);


g.drawString(p,
0
,
10
)
;


i =
1
;


while (i <=
10
)
{


j =
10
* i;


istr= Integer.toString(i);


g.drawString(istr,
72
,j);


i++; // column =
1
inch


}


}

}

10

x

http://www.thaiall.com/class

Page:
7

วาดเส
้
นตรง

20

10

Y

X

void drawLine(int x
1
, int y
1
, int x
2
,int y
2
)



Draws a line, using the current color, between the points
(x
1
, y
1
) and (x
2
, y
2
) in this graphics context's coordinate
system.

Parameters:

x
1
-

the first point's x coordinate.

y
1
-

the first point's y coordinate.

x
2
-

the second point's x coordinate.

y
2
-

the second point's y coordinate.

http://yn
1
.yonok.ac.th/burin/javadocs/api/java/awt/Graphics.html

g.drawLine(x
1
,y
1
,x
2
,y
2
)
;

g.drawLine(
10
,
20
,
30
,
20
)
;



30

http://www.thaiall.com/class

Page:
8

วาดสี่เหลี่ยม

5

10

Y

X

void drawRect(int x, int y, int width,int height)



Draws the outline of the specified rectangle. The left and
right edges of the rectangle are at x and x + width. The top and
bottom edges are at y and y + height. The rectangle is drawn
using the graphics context's current color.

Parameters:

x
-

the x coordinate of the rectangle to be drawn.

y
-

the y coordinate of the rectangle to be drawn.

width
-

the width of the rectangle to be drawn.

height
-

the height of the rectangle to be drawn.

http://yn
1
.yonok.ac.th/burin/javadocs/api/java/awt/Graphics.html

g.draw
Rect
(x
1
,y
1
,width,height);

g.drawRect(
10
,
5
,
20
,
15
)
;

30

15

http://www.thaiall.com/class

Page:
9

วาดวงกลม

5

10

Y

X

void drawOval(int x,int y, int width, int height)



Draws the outline of an oval. The result is a circle or
ellipse that fits within the rectangle specified by the x, y,
width, and height arguments.

Parameters:

x
-

the x coordinate of the upper left corner of the oval.

y
-

the y coordinate of the upper left corner of the oval.

width
-

the width of the oval to be drawn.

height
-

the height of the oval to be drawn.

http://yn
1
.yonok.ac.th/burin/javadocs/api/java/awt/Graphics.html

g.draw
Oval
(x
1
,y
1
,width,height);

g.drawOval(
10
,
5
,
20
,
15
)
;

30

15

http://www.thaiall.com/class

Page:
10

วาดเส
้
นรอบวง

5

10

Y

X

void drawArc(int x,int y,int width,int height,int


startAngle,int arcAngle)



Draws the outline of a circular or elliptical arc covering
the specified rectangle.


http://yn
1
.yonok.ac.th/burin/javadocs/api/java/awt/Graphics.html

g.drawArc(
10
,
5
,
20
,
15
,
0
,
180
)
;

30

15

http://www.thaiall.com/class

Page:
11

วาดหลายเหลี่ยม

10

10

Y

X

v
oid drawPolygon(Polygon p)



Draws the outline of a polygon defined by the specified
Polygon object.

Parameters:



p
-

the polygon to draw.

See Also:

fillPolygon(int[], int[], int)

drawPolyline(int[], int[], int)

http://yn
1
.yonok.ac.th/burin/javadocs/api/java/awt/Graphics.html


int[] x={
10
,
50
,
100
};


int[] y={
10
,
100
,
50
};


g.drawPolygon(x,y,
3
)
;

100

100

50

50

http://www.thaiall.com/class

Page:
12

ปุ
่
ม และซ
่
อนทีละปุ
่
ม

import java.applet.*;

import java.awt.*;

import java.awt.event.*;

public class x extends Applet implements ActionListener {


Button b
1
= new Button("exit
1
")
;


Button b
2
= new Button("exit
2
")
;


public void init() {


add(b
1
)
;


add(b
2
)
;


b
1
.addActionListener(this);


b
2
.addActionListener(this);


}


public void actionPerformed(ActionEvent e){


if (e.getActionCommand().equals("exit
1
")) b
1
.setVisible(false);


if (e.getActionCommand().equals("exit
2
")) b
2
.setVisible(false);


}

}

http://www.thaiall.com/class

Page:
13

เพิ่มค
่
าให
้
กับ
TextField

import java.applet.*;

import java.awt.*;

import java.awt.event.*;

public class x extends Applet implements ActionListener {


TextField t = new TextField("
1
")
;


public void init() {


add(t);


t.addActionListener(this);


}


public void paint(Graphics g) { }


public void actionPerformed(ActionEvent e){


int n
1
= Integer.parseInt(e.getActionCommand());


String n
2
= Integer.toString(n
1

+
1
)
;


t.setText(n
2
)
;


}

}

http://www.thaiall.com/class

Page:
14

วาดโดราเอมอนด
้
วย
Applet

import java.applet.*;

import java.awt.*;

import java.awt.event.*;

public class x extends Applet {


public void paint(Graphics g){



g.setColor(Color.black);

g.drawRect(
140
,
285
,
220
,
5
)
;


g.drawOval(
240
,
180
,
20
,
20
);

g.drawOval(
210
,
130
,
40
,
60
)
;


g.drawOval(
250
,
130
,
40
,
60
);

g.drawOval(
233
,
160
,
15
,
20
)
;


g.drawOval(
240
,
290
,
20
,
20
);

g.drawLine(
250
,
200
,
250
,
250
)
;


g.drawLine(
240
,
230
,
180
,
240
);

g.drawLine(
260
,
230
,
320
,
240
)
;


g.drawLine(
240
,
220
,
180
,
220
);

g.drawLine(
260
,
220
,
320
,
220
)
;


g.drawLine(
240
,
210
,
180
,
200
);

g.drawLine(
260
,
210
,
320
,
200
)
;


g.drawLine(
245
,
300
,
255
,
300
);

g.drawLine(
250
,
300
,
250
,
310
)
;


g.drawArc(
255
,
165
,
10
,
10
,
30
,
120
)
;


g.drawArc(
150
,
50
,
200
,
200
,
240
,
60
)
;


g.drawArc(
150
,
160
,
200
,
250
,
113
,
67
)
;


g.drawArc(
150
,
160
,
200
,
250
,
0
,
67
)
;



g.drawArc(
135
,
125
,
230
,
240
,
340
,
220
)
;




}

}

โดย สุริยา พงษ
์
ปัญญา
4708002

http://www.thaiall.com/class

Page:
15

Awt
ผ
่
าน
Java (
ไม
่
ใช
่

Applet)

import java.awt.*;

import java.awt.event.*;

public class x implements ActionListener {


Frame s = new Frame("awt");


Button bclose = new Button("Exit");


public static void main(String[] args){


new x().init();


}


public void init( ) {


s.setSize(
200
,
200
)
;


s.add(bclose);


bclose.addActionListener(this);


s.show();


}


public void actionPerformed(ActionEvent a) {


if(a.getSource()==bclose) System.exit(
0
)
;


}

}