背景顯示方法

1、本文格式為word版，下載可任意編輯背景顯示方法 背景顯示方法 背景顯示方法.txt51自信是永不枯竭的源泉，自信是奔騰不息的波濤，自信是急流奮進的渠道，自信是真正的勝利之母。import java.awt.event.*; import javax.swing.*;import java.awt.*;public class backgroundimage extends jframejscrollpane scrollpane;imageicon icon;image image;public backgroundimage()icon = new imageicon(bgpanel.jp

2、g);jpanel panel = new jpanel()protected void paintcomponent(graphics g)/ dispaly image at at full sizeg.drawimage(icon.getimage(), 0, 0, null);/ scale image to size of component/ dimension d = getsize();/ g.drawimage(icon.getimage(), 0, 0, d.width, d.height, null);/ fix the image position in the scr

3、oll pane/ point p = scrollpane.getviewport().getviewposition();/ g.drawimage(icon.getimage(), p.x, p.y, null);super.paintcomponent(g);panel.setopaque( false );panel.setpreferredsize( new dimension(400, 400) );scrollpane = new jscrollpane( panel );getcontentpane().add( scrollpane );jbutton button = n

4、ew jbutton( hello );panel.add( button );public static void main(string args)backgroundimage frame = new backgroundimage();frame.setdefaultcloseoperation(jframe.exit_on_close);frame.setsize(300, 300);frame.setlocationrelativeto( null );frame.setvisible(true);mport java.awt.graphics;import javax.swing

5、.imageicon;import javax.swing.jframe;import javax.swing.jscrollpane;import javax.swing.jtextarea;/* 在jtextarea中顯示一個圖片背景背景隨滾動而移動位置* author 五斗米 如轉(zhuǎn)載請保存和出處* blog :/doc.wendoc /mq612*/public class test extends jframe private static final long serialversionuid = 4785452373598819719l;private jscrollpane sp

6、 = null;private jtextarea text = null;private imageicon imageicon = null;public test() super(jtextarea);imageicon = new imageicon(photo.jpg);text = new jtextarea() private static final long serialversionuid = -8220994963464909915l;setopaque(false); / 設置透亮protected void paintcomponent(graphics g) g.d

7、rawimage(imageicon.getimage(), 0, 0, this);super.paintcomponent(g);sp = new jscrollpane(text);this.getcontentpane().add(sp);this.setdefaultcloseoperation(jframe.exit_on_close);this.setsize(360, 260);this.setvisible(true);public static void main(string args) new test();二、背景不隨滾動而移動位置：import java.awt.b

8、orderlayo 背景顯示方法 ut; import java.awt.graphics;import javax.swing.imageicon;import javax.swing.jframe;import javax.swing.jpanel;import javax.swing.jscrollpane;import javax.swing.jtextarea;/* 在jtextarea中顯示一個圖片背景背景不隨滾動而移動位置* author 五斗米 如轉(zhuǎn)載請保存和出處* blog :/doc.wendoc /mq612*/public class test extends jfra

9、me private static final long serialversionuid = 4785452373598819719l;private jscrollpane sp = null;private jtextarea text = null;private imageicon imageicon = null;public test() super(jtextarea);imageicon = new imageicon(photo.jpg);/ 構(gòu)造文本組件并使之透亮text = new jtextarea();text.setopaque(false);/ 構(gòu)造滾動組件并使

10、之透亮sp = new jscrollpane(text);sp.setopaque(false);sp.getviewport().setopaque(false);/ 構(gòu)造一個背景jpaneljpanel backdrop = new jpanel() private static final long serialversionuid = 1957203784117943458l;this.setopaque(false);this.setlayout(new borderlayout();public void paintcomponent(graphics g) g.drawimage(imageicon.getimage(), 0, 0, this);super.paintcomponents(g);/ 將滾動組件加入backdrop.add(sp);/ 將背景組件加入窗體this.getcontentpane().add(backdr