package line;
import java.awt.Canvas;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Point;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import javax.swing.JFrame;
public
Priya一个画图要这么多代码?不就是获取坐标后重绘吗?你写的我看的都烦
我给你个:
import java.awt.Graphics;
import java.awt.event.*;
import javax.swing.*;
public class draw extends JFrame implements MouseMotionListener,MouseListener{
int startX=0;
int startY=0;
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