mouse.java

来自「知道鼠标X,Y位置 将鼠标光标移动到X,Y位置 java源程序」· Java 代码 · 共 4 行

import java.io.*;<br />import java.applet.*;<br />import java.awt.*;<br />import java.awt.event.*;<br />import java.util.*;<br /><br />public class Paint extends Applet {<br />        Vector v = new Vector();<br />        public void paint(Graphics g) {<br />                int &#91;] x,y;//两个引用<br />                x = new int [v.size()];<br />                y = new int [v.size()];<br />                for(int i=0;i&lt;v.size();++i) {<br />                        Point p = (Point)v.get(i);<br />                        x=p.x;<br />                        y=p.y;<br />                        }<br />                        g.drawPolyline(x,y,v.size());<br />                //g.drawString("Hello",10,10);<br />                //System.out.println("Hello");<br />                }<br />        public void init() {<br />                addMouseMotionListener(<br />                        new MouseMotionAdapter(){<br />                                public void mouseDragged(MouseEvent e) {<br />                                    Point p = e.getPoint();//得到x ,y的值<br />                                    v.add(p);<br />                                    repaint();<br />                                        //System.out.println(p);<br />                                        System.out.println(v.size());<br />                                        }<br />                                });        <br />                }        <br />        }<br />//&lt;applet code = Paint width=200 height=200&gt;&lt;/applet&gt;         
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