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java語言編寫的類似于迅雷的下載器的源代碼,里面有下載進度和流量多少的現實

代碼片段和文件信息
package?com.view;
import?java.awt.Color;
import?java.awt.Dimension;
import?java.awt.frame;
import?java.awt.Graphics;
import?java.awt.Image;
import?java.awt.Toolkit;
import?java.awt.event.WindowAdapter;
import?java.awt.event.WindowEvent;
public?class?JProgressBar?extends?frame?implements?Runnable?{
?int?x?y;?//?進度倏起始位置
?int?rectWidth?rectHeight?width?height?num;?//?進度格倏寬進度格高進度倏寬進度倏高格子數量
?int?x0?d?n;?//?進度進度格之間的距離進度n%
?Image?bufImg;
?Graphics?gBuf;
?public?JProgressBar()?{
??x?=?40;
??y?=?50;
??x0?=?x;
??rectWidth?=?6;?//?每個進度格的寬
??rectHeight?=?10;
??d?=?rectWidth?/?3;
??num?=?50;?//?顯示五十個進度格
??width?=?(rectWidth?+?d)?*?num;
??height?=?rectHeight?+?4;?//?進度格的高
??init();
??bufImg?=?this.createImage(getWidth()?getHeight());
??gBuf?=?bufImg.getGraphics();
??paintBack();
??repaint();
?}
?public?void?init()?{
??this.addWindowListener(new?WindowAdapter()?{
???public?void?windowClosing(WindowEvent?e)?{
????System.exit(0);
???}
??});
??this.setSize(this.x?*?2?+?width?this.y?*?2?+?height);
??this.setVisible(true);
??Dimension?dim?=?Toolkit.getDefaultToolkit().getScreenSize();
??int?w?=?getSize().width;
??int?h?=?getSize().height;
??int?x?=?(dim.width?-?w)?/?2;
??int?y?=?(dim.height?-?h)?/?2;
??setLocation(x?y);
?}
?public?static?void?main(String[]?args)?{
??new?Thread(new?JProgressBar()).start();
?}
?public?void?paintBack()?{
??gBuf.drawRoundRect(x?y?width?height?6?6);
?}
?public?void?paintProgressRect()?{
??Color?c?=?gBuf.getColor();
??gBuf.setColor(new?Color(46?211?49));
??x0?=?x;
??for?(int?i?=?0;?i????gBuf.fillRect(x0?y?+?2?rectWidth?rectHeight);
???x0?+=?rectWidth?+?d;
??}
??gBuf.setColor(c);
?}
?public?void?paint(Graphics?g)?{
??g.drawImage(bufImg?0?0?this);
?}
?/**
??*?設置進度倏進度
??*?
??*?@param?n
??*????????????進度百分比
??*/
?public?void?setPercent(int?n)?{
??this.n?=?n;
?}
?public?void?run()?{
??boolean?flag?=?true;
??while?(flag)?{
???try?{
????repaint();
????Thread.sleep(500);
????n++;
????System.out.println(n);
????if?(n?>?num)?{
?????n?=?num;
?????flag?=?false;
????}
????paintProgressRect();
???}?catch?(InterruptedException?e)?{
????//?TODO?Auto-generated?catch?block
????e.printStackTrace();
???}
??}
?}
}?
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????226??2011-01-18?16:51??xunlei\.classpath
?????文件????????382??2011-01-18?16:51??xunlei\.project
?????文件????????629??2011-01-19?14:17??xunlei\.settings\org.eclipse.jdt.core.prefs
?????文件?????????99??2011-01-19?14:17??xunlei\.settings\org.eclipse.jdt.ui.prefs
?????文件???????7428??2011-01-20?22:52??xunlei\com\view\MfXunLei.java
?????文件???????2509??2011-01-20?00:15??xunlei\com\view\URLlx.class
?????文件???????1115??2011-01-20?00:15??xunlei\com\view\URLlx.java
?????文件???????2369??2011-01-19?22:02??xunlei\com\view\JProgressBar.java
?????文件???????3355??2011-01-19?22:02??xunlei\com\view\JProgressBar.class
?????文件????????690??2011-01-19?22:02??xunlei\com\view\JProgressBar$1.class
?????文件????????652??2011-01-20?22:52??xunlei\com\view\ProgressPanel.class
?????文件???????7741??2011-01-20?22:52??xunlei\com\view\MfXunLei.class
?????文件???????1819??2011-01-20?22:52??xunlei\com\view\MyProgressCellEditor.class
?????文件???????1900??2011-01-19?13:14??xunlei\image\bt.jpg
?????目錄??????????0??2011-01-19?21:09??xunlei\com\view
?????目錄??????????0??2011-01-19?21:09??xunlei\.settings
?????目錄??????????0??2011-01-19?21:09??xunlei\com
?????目錄??????????0??2011-01-19?21:09??xunlei\image
?????目錄??????????0??2011-01-19?21:09??xunlei\urllx
?????目錄??????????0??2011-01-19?21:09??xunlei
-----------?---------??----------?-----??----
????????????????30914????????????????????20
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