| 发表于：2007-03-28 18:47:18 楼主 |
import java.awt.*;
import javax.swing.border.*;
import javax.swing.*;
class ownborder implements javax.swing.border.border{
private int thickness;
private color color;
public ownborder（int thickness,color color){
this.thickness=thickness;
this.color=color;
}
//这个方法在后面未调用,怎么就能显示啊?
public void paintborder（component c,graphics g,int x,int y,int width,int height){
g.setcolor（this.color);
g.fill3drect（x,y,width-thickness,thickness,true);
g.fill3drect（x,y+thickness,thickness,height-thickness,true);
g.fill3drect（x+thickness,y+height-thickness,width-thickness,thickness,true);
g.fill3drect（x+width-thickness,y,thickness,height-thickness,true);
}
public insets getborderinsets（component c){
return new insets（thickness,thickness,thickness,thickness);
}
public boolean isborderopaque（){
return true;
}
}
public class mainframe extends jframe{
gridlayout gridlayout1=new gridlayout（2,3);
private jlabel jlabel1=new jlabel（);
private jlabel jlabel2=new jlabel（);
private jlabel jlabel3=new jlabel（);
private jlabel jlabel4=new jlabel（);
private jlabel jlabel5=new jlabel（);
private jlabel jlabel6=new jlabel（);
public mainframe（string title){
super（title);
setlayout（);
add（jlabel1);
add（jlabel2);
add（jlabel3);
add（jlabel4);
add（jlabel5);
add（jlabel6);
}
private void setlayout（){
setlayout（gridlayout1);
}
private void jbinit（){
jlabel1.setfont（new java.awt.font（ "dialog ",1,14));
jlabel1.sethorizontalalignment（swingconstants.center);
jlabel1.settext（ "jlabel1 ");
jlabel2.setfont（new java.awt.font（ "dialog ",1,14));
jlabel2.sethorizontalalignment（swingconstants.center);
jlabel2.settext（ "jlabel2 ");
jlabel3.setfont（new java.awt.font（ "dialog ",1,14));
jlabel3.sethorizontalalignment（swingconstants.center);
jlabel3.settext（ "jlabel3 ");
jlabel4.setfont（new java.awt.font（ "dialog ",1,14));
jlabel4.sethorizontalalignment（swingconstants.center);
jlabel4.settext（ "jlabel4 ");
jlabel5.setfont（new java.awt.font（ "dialog ",1,14));
jlabel5.sethorizontalalignment（swingconstants.center);
jlabel5.settext（ "jlabel5 ");
jlabel6.setfont（new java.awt.font（ "dialog ",1,14));
jlabel6.sethorizontalalignment（swingconstants.center);
jlabel6.settext（ "jlabel6 ");
jlabel1.setborder（new ownborder（10,color.blue));
jlabel2.setborder（new ownborder（15,color.red));
jlabel3.setborder（new ownborder（20,color.orange));
jlabel4.setborder（new ownborder（25,color.yellow));
jlabel5.setborder（new ownborder（30,color.green));
jlabel6.setborder（new ownborder（35,color.white));
}
public static void main（string args[]){//没有调用paintborder（)
mainframe f=new mainframe（ "hello ");
f.jbinit（);
f.setsize（800,600);
f.setvisible（true);
}
} |
|
|
|
|
