Ò׽ؽØͼÈí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

java µ¼³öexcel·½·¨

µ½http://download.csdn.net/source/1781433ÏÂÔØjxl.jarÎļþ
/*TitleÊDZ£´æ³öÀ´µÄÎļþÃû£¬gbl_LastOpenPathÓÃÓڼǼÉϴδò¿ªµÄ·¾¶*/
public void ExportToExcel(JTable table, String Title){
File DefaultFile;
JFileChooser fc = new JFileChooser();
File file;
if(gbl_LastOpenPath!=null){
DefaultFile = new File(gbl_LastOpenPath+"/"+Title+".xls");
if(DefaultFile.exists()){
//fc.setSelectedFile(DefaultFile);
// fc.setCurrentDirectory(DefaultFile); //ÉèÖôò¿ªµÄĬÈÏ·¾¶
fc.setSelectedFile(DefaultFile);
}
}
if(gbl_LastOpenPath==null){
//String s = System.getProperty("user.dir");
fc.setSelectedFile(new File("c:/"+Title+".xls"));
}
int Selection = fc.showDialog(this, null);
fc.setVisible(true);
if(Selection==0){
file = fc.getSelectedFile();
gbl_LastOpenPath = file.getParent();
/*¿ªÊ¼µ¼³öÊý¾Ý*/
try {
WritableWorkbook book = Workbook.createWorkbook(file);
WritableSheet sheet=book.createSheet(Title,0); //¹¤×÷±íÃû³Æ
sheet.mergeCells(0,0,(table.getColumnCount()-1),0); //ºÏ²¢µÚÒ»ÐÐ
/*±íÍ·£º¼Ó´Ö*/
WritableFont CaptionFont = new WritableFont(WritableFont.ARIAL, 14,WritableFont.BOLD, false, UnderlineStyle.NO_UNDERLINE,Colour.BLACK);
/*±íÍ·£º¾ÓÖÐ*/
WritableCellFormat CatpionStyle = new WritableCellFormat(CaptionFont);
CatpionStyle.setAlignment(Alignment.CENTRE);
CatpionStyle.setVerticalAlignment(VerticalAlignment.CENTRE);
sheet.addCell(new Label(0,0,Title,CatpionStyle));
/*д±íÍ·*/
WritableFont TitleFont = new WritableFont(WritableFont.ARIAL, 10,WritableFont.BOLD, false, UnderlineStyle.NO_UNDERLINE,Colour.BLACK);
/*±íÍ·£º¾ÓÖÐ*


Ïà¹ØÎĵµ£º

Java»ù±¾Óï·¨

 finalize·½·¨
ËüÊÇjava.lang.ObjectÀàÖеķ½·¨. ÊÇprotectedµÄ.
ȱʡʱÕâ¸ö·½·¨ÊÇ¿ÕµÄ. JavaÔËÐÐϵͳÔÚÀ¬»ø»ØÊÕʱÔÚ¶ÔÏó±»³·Ïú֮ǰµ÷ÓÃÕâ¸ö·½·¨. µ«ÓÉÓÚÀ¬»øµ¥Ôª
»ØÊÕµÄʱ¼äÊDz»È·¶¨µÄ.ËùÒÔ²»Äܹý·ÖÒÀÀµËü(ÕâºÍc++µÄÎö¹¹º¯Êý²»Í¬). 
¶øÖ»ÄÜÊÇ"ÔÚ¶ÔÏó±»³·Ïú֮ǰ"×öһЩ´¦Àí.ÀýÈç¿ÉÒÔÔÚÕâÀï¹Ø±Õ¹¹Ôì·½·¨Öдò¿ ......

java»·¾³ÅäÖÃ

cmd
set path=javacËùÔÚÎļþ¼Ð£¨²»°üÀ¨javac)
ÔÚÈÎÒâÎļþ¼ÐÏÂÖ±½ÓʹÓÃjavac.exe,µ«µ±cmd ¹Ø±Õʱ£¬¾Í²»ÔÙÆð×÷ÓÃ
set classpath=...
×÷ÓÃ:ÔÚÈÎÒâÎļþ¼ÐÏÂÖ±½ÓʹÓÃ.classÎļþ£¬µ«µ±cmd ¹Ø±Õʱ£¬¾Í²»ÈðÆð×÷ÓÃ
²é¿´£ºset pathh; set classpath
ÎҵĵçÄÔ->ÊôÐÔ->¸ß¼¶->»·¾³±äÁ¿ÉèÖÃ
Óû§±äÁ¿£º
±äÁ¿Ãû£ºclasspat ......

JavaʵÏÖ¶ÓÁвÙ×÷


import java.util.LinkedList;  
//µ¥Ïò¶ÓÁР 
public class Queue {  
    public Queue() {  
    }  
    private LinkedList list = new LinkedList();  
    public void pu ......

Java´Óweb·þÎñÆ÷ÏÂÔØÎļþµ½±¾µØ

/*´Ó·þÎñÆ÷ÖÐÏÂÔØÎļþµ½±¾µØ*/
/*url:Îļþ´æ·ÅÔÚ·þÎñÆ÷µÄµØÖ·£»target:Òª±£´æµÄ·¾¶*/
 
public String DownloadFile(String url,String target){
URLConnection con=null;
URL theUrl=null;
try {
theUrl=new URL(url);//½¨Á¢µØÖ·
......

Java ÖÐÎÄÅÅÐò

/*¶Ô´«ÈëµÄÏòÁ¿½øÐÐÅÅÐò(°´ÕÕ²ÎÓëÕßÐÕÃûÅÅÐò)*/ public Vector[] Sort(Vector vtID, Vector vtName) {
Vector[] vt = {vtID, vtName};
String exChangeID = null;
String exChangeName = null;
//Comparator cmp = Collator.getInstance(java.util.Locale.CHINA);
......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ