test.java

来自「This is source rmi with java」· Java 代码 · 共 40 行

import java.awt.*;
import java.awt.event.*;

public class test extends Canvas
 {

    public String string="";
    int hor=10,ver=10;
	public test()
	 {
		 setBackground(Color.white);
		 setSize(400,400);
	 }
	public void setText(String str)
	 {
		 string=str+"\n";
		 repaint();
	 }
	public void paint(Graphics g)
	 {
        g.setColor(Color.red);
        if(string.indexOf("<sqrt>")>0)
        {
          String can=string.substring(string.indexOf("<sqrt>")+6,
                                         string.indexOf("</sqrt>"));
          g.drawLine(hor,ver-10,hor-5,ver);
          g.drawLine(hor,ver-10,hor+can.length()*6,ver-10);
          g.drawString(can,hor,ver);
          System.out.println("da ve:"+can);
          hor+=string.length();
          ver+=10;
	    }
	    else
	    {
			System.out.println("ffghfg:"+string);
		}
	 }

 }