eg8_4.java

JSP效果信息 各位请下载查看 比较不错的

/*
<Applet code="Eg8_4.class" width=300 height=80>
<param name=fontName value=Courier>
<param name=fontSize value=14>
<param name=leading value=12>
<param name=accountEnabled value=true>
</Applet>
*/
import javax.swing.*;
import java.awt.*;
public class Eg8_4 extends JApplet{
  String fontName;
  int fontSize;
  float leading;
  boolean active;
  public void start(){
    String param;
    fontName=getParameter("fontName");
    if(fontName==null)fontName="Not Found";
    param=getParameter("fontSize");
    try{
      if(param!=null)
        fontSize=Integer.parseInt(param);
      else
        fontSize=0;
    }catch(NumberFormatException e){
      fontSize=-1;
    }
    param=getParameter("leading");
    try{
      if(param!=null)
        leading=Float.valueOf(param).floatValue();
      else
        leading=0;
    }catch(NumberFormatException e){
      leading=-1;
    }
    param=getParameter("accountEnabled");
    if(param!=null)active=Boolean.valueOf(param).booleanValue();
  }
  public void paint(Graphics g){
    g.drawString("Font name:"+fontName,10,20);
    g.drawString("Font size:"+fontSize,10,35);
    g.drawString("Leading:"+leading,10,50);
    g.drawString("Account Active:"+active,10,65);
    g.drawRect(20,10,80,20);
  }
}