j2sdk1.4.0_01\demo\applets\ArcTest<html> <head> <title>Arc Test (1.1)</title> </head> <body> <h1>Arc Test (1.1)</h1> <hr> <applet code=ArcTest.class width=400 height=400> alt="Your browser understands the <APPLET> tag but isn't running the applet, for some reason." Your browser is completely ignoring the <APPLET> tag! </applet> <hr> <a href="ArcTest.java">The source</a>. </body> </html> /* * @(#)ArcTest.java 1.7 01/12/03 * * Copyright 2002 Sun Microsystems, Inc. All rights reserved. * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. */import java.awt.*; import java.awt.event.*; import java.applet.*;/** * An interactive test of the Graphics.drawArc and Graphics.fillArc * routines. Can be run either as a standalone application by * typing "java ArcTest" or as an applet in the AppletViewer. */ public class ArcTest extends Applet { ArcControls controls; // The controls for ing and filling arcs ArcCanvas canvas; // The drawing area to display arcs public void init() { setLayout(new BorderLayout()); canvas = new ArcCanvas(); add("Center", canvas); add("South", controls = new ArcControls(canvas)); } public void destroy() { remove(controls); remove(canvas); } public void start() { controls.setEnabled(true); } public void stop() { controls.setEnabled(false); } public void processEvent(AWTEvent e) { if (e.getID() == Event.WINDOW_DESTROY) { System.exit(0); } } public static void main(String args[]) { Frame f = new Frame("ArcTest"); ArcTest arcTest = new ArcTest(); arcTest.init(); arcTest.start(); f.add("Center", arcTest); f.setSize(300, 300); f.show(); } public String getAppletInfo() { return "An interactive test of the Graphics.drawArc and \nGraphics.fillArc routines. Can be run \neither as a standalone application by typing 'java ArcTest' \nor as an applet in the AppletViewer."; } }class ArcCanvas extends Canvas { int startAngle = 0; int endAngle = 45; boolean filled = false; Font font; public void paint(Graphics g) { Rectangle r = getBounds(); int hlines = r.height / 10; int vlines = r.width / 10; g.setColor(Color.pink); for (int i = 1; i <= hlines; i++) { g.drawLine(0, i * 10, r.width, i * 10); } for (int i = 1; i <= vlines; i++) { g.drawLine(i * 10, 0, i * 10, r.height); } g.setColor(Color.red); if (filled) { g.fillArc(0, 0, r.width - 1, r.height - 1, startAngle, endAngle); } else { g.drawArc(0, 0, r.width - 1, r.height - 1, startAngle, endAngle); } g.setColor(Color.black); g.setFont(font); g.drawLine(0, r.height / 2, r.width, r.height / 2); g.drawLine(r.width / 2, 0, r.width / 2, r.height); g.drawLine(0, 0, r.width, r.height); g.drawLine(r.width, 0, 0, r.height); int sx = 10; int sy = r.height - 28; g.drawString("S = " + startAngle, sx, sy); g.drawString("E = " + endAngle, sx, sy + 14); } public void redraw(boolean filled, int start, int end) { this.filled = filled; this.startAngle = start; this.endAngle = end; repaint(); } }class ArcControls extends Panel implements ActionListener { TextField s; TextField e; ArcCanvas canvas; public ArcControls(ArcCanvas canvas) { Button b = null; this.canvas = canvas; add(s = new TextField("0", 4)); add(e = new TextField("45", 4)); b = new Button("Fill"); b.addActionListener(this); add(b); b = new Button("Draw"); b.addActionListener(this); add(b); } public void actionPerformed(ActionEvent ev) { String label = ev.getActionCommand(); canvas.redraw(label.equals("Fill"), Integer.parseInt(s.getText().trim()), Integer.parseInt(e.getText().trim())); } }
http://sourceforge.net/
查找，什么都有
<head>
<title>Arc Test (1.1)</title>
</head>
<body>
<h1>Arc Test (1.1)</h1>
<hr>
<applet code=ArcTest.class width=400 height=400>
alt="Your browser understands the <APPLET> tag but isn't running the applet, for some reason."
Your browser is completely ignoring the <APPLET> tag!
</applet>
<hr>
<a href="ArcTest.java">The source</a>.
</body>
</html>
/*
* @(#)ArcTest.java 1.7 01/12/03
*
* Copyright 2002 Sun Microsystems, Inc. All rights reserved.
* SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*/import java.awt.*;
import java.awt.event.*;
import java.applet.*;/**
* An interactive test of the Graphics.drawArc and Graphics.fillArc
* routines. Can be run either as a standalone application by
* typing "java ArcTest" or as an applet in the AppletViewer.
*/
public class ArcTest extends Applet {
ArcControls controls; // The controls for ing and filling arcs
ArcCanvas canvas; // The drawing area to display arcs public void init() {
setLayout(new BorderLayout());
canvas = new ArcCanvas();
add("Center", canvas);
add("South", controls = new ArcControls(canvas));
} public void destroy() {
remove(controls);
remove(canvas);
} public void start() {
controls.setEnabled(true);
} public void stop() {
controls.setEnabled(false);
} public void processEvent(AWTEvent e) {
if (e.getID() == Event.WINDOW_DESTROY) {
System.exit(0);
}
} public static void main(String args[]) {
Frame f = new Frame("ArcTest");
ArcTest arcTest = new ArcTest(); arcTest.init();
arcTest.start(); f.add("Center", arcTest);
f.setSize(300, 300);
f.show();
} public String getAppletInfo() {
return "An interactive test of the Graphics.drawArc and \nGraphics.fillArc routines. Can be run \neither as a standalone application by typing 'java ArcTest' \nor as an applet in the AppletViewer.";
}
}class ArcCanvas extends Canvas {
int startAngle = 0;
int endAngle = 45;
boolean filled = false;
Font font; public void paint(Graphics g) {
Rectangle r = getBounds();
int hlines = r.height / 10;
int vlines = r.width / 10; g.setColor(Color.pink);
for (int i = 1; i <= hlines; i++) {
g.drawLine(0, i * 10, r.width, i * 10);
}
for (int i = 1; i <= vlines; i++) {
g.drawLine(i * 10, 0, i * 10, r.height);
} g.setColor(Color.red);
if (filled) {
g.fillArc(0, 0, r.width - 1, r.height - 1, startAngle, endAngle);
} else {
g.drawArc(0, 0, r.width - 1, r.height - 1, startAngle, endAngle);
} g.setColor(Color.black);
g.setFont(font);
g.drawLine(0, r.height / 2, r.width, r.height / 2);
g.drawLine(r.width / 2, 0, r.width / 2, r.height);
g.drawLine(0, 0, r.width, r.height);
g.drawLine(r.width, 0, 0, r.height);
int sx = 10;
int sy = r.height - 28;
g.drawString("S = " + startAngle, sx, sy);
g.drawString("E = " + endAngle, sx, sy + 14);
} public void redraw(boolean filled, int start, int end) {
this.filled = filled;
this.startAngle = start;
this.endAngle = end;
repaint();
}
}class ArcControls extends Panel
implements ActionListener {
TextField s;
TextField e;
ArcCanvas canvas; public ArcControls(ArcCanvas canvas) {
Button b = null; this.canvas = canvas;
add(s = new TextField("0", 4));
add(e = new TextField("45", 4));
b = new Button("Fill");
b.addActionListener(this);
add(b);
b = new Button("Draw");
b.addActionListener(this);
add(b);
} public void actionPerformed(ActionEvent ev) {
String label = ev.getActionCommand(); canvas.redraw(label.equals("Fill"),
Integer.parseInt(s.getText().trim()),
Integer.parseInt(e.getText().trim()));
}
}
如果你刚接触jfc/awt/swing,就用上边的程序将就一下吧
我再三推荐jfreeChart了：）
今天下午刚刚搞定了！交给我我们部长了！哈哈，我们部长很高兴，让我提前2个月转正！我好幸福哦！
谢谢上面的兄弟们！