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

JAVA²Ù×÷XMLµÄÍêÕûÀý×Ó(²éѯ¡¢Ôö¼Ó¡¢Ð޸ġ¢É¾³ý)

ÕâÊÇÒ»¸öÓÃJAVA W3C DOM ½øÐÐXML²Ù×÷µÄÀý×Ó£¬°üº¬Á˲éѯ¡¢Ôö¼Ó¡¢Ð޸ġ¢É¾³ý¡¢±£´æµÄ»ù±¾²Ù×÷¡£½ÏÍêÕûµÄÃèÊöÁËÒ»¸öXMLµÄÕû¸ö²Ù×÷Á÷³Ì¡£ÊʺϸÕÈëÃÅJAVA XML²Ù×÷µÄÅóÓѲο¼ºÍѧϰ¡£
¼ÙÉèÓÐXMLÎļþ£ºtest1.xml
<?xml version="1.0" encoding="GBK"?>
<books>
<book>
<name>¹þÀﲨÌØ</name>
<price>10</price>
<memo>ÕâÊÇÒ»±¾ºÜºÃ¿´µÄÊé¡£</memo>
</book>
<book id="B02">
<name>Èý¹úÑÝÒå</name>
<price>10</price>
<memo>ËÄ´óÃûÖøÖ®Ò»¡£</memo>
</book>
<book id="B03">
<name>Ë®ä°</name>
<price>6</price>
<memo>ËÄ´óÃûÖøÖ®Ò»¡£</memo>
</book>
<book id="B04">
<name>ºìÂ¥</name>
<price>5</price>
<memo>ËÄ´óÃûÖøÖ®Ò»¡£</memo>
</book>
</books>
ÏÂÃæÊÇΪTest.java
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import org.w3c.dom.*;
import org.xml.sax.SAXException;
import javax.xml.parsers.*;
import javax.xml.transform.*;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.*;
import javax.xml.xpath.*;
public class Test {
    public static void main(String[] args) {
        DocumentBuilderFactory factory=DocumentBuilderFactory.newInstance();
        Element theBook=null, theElem=null, root=null;
        try {
            factory.setIgnoringElementContentWhitespace(true);
           
            DocumentBuilder db=factory.newDocumentBuilder();
            Document xmldoc=db.parse(new File("Test1.xml"));
      &n


Ïà¹ØÎĵµ£º

´«ÖDz¥¿ÍµÄJAVA SE¸ß¼¶ÊÓƵ1 API ×Ôѧ±Ê¼Ç

2009-12-20 22:15:02
½ñÌ컨ÁËÒ»Ììʱ¼ä°Ñ´«ÖDz¥¿ÍµÄJAVA SE¸ß¼¶ÊÓƵ1 API¿´ÍêÁË£¬»¹¿´ÁËÒ»²¿·Ö¸ß¼¶Ê³Æ·2 IOµÄÊÓƵ£¬ÒÔÏÂÊÇAPIµÄ±Ê¼Ç¡£
API: Application Programming Interface Ó¦ÓóÌÐò±à³Ì½Ó¿Ú
    windows API£ºwindowsϵͳÌṩµÄ
    JAVA API£ºJDKÖÐÌṩµÄ¸÷ÖÖjavaÀà(ÕÆÎÕ³£ÓõÄAPI ......

JavaÏÔʾÌض¨¸¡µãÊýʱµÄ¹ÖÎÊÌâ

¸¡µãÊý²»ÄܽøÐо«È·ÔËË㣬Õâ¸öÎÊÌâÏë±Ø´ó¼Ò¶¼ÖªµÀ£¬ÎÒ½ñÌìÒ²²»Êǽ²Õâ¸öÎÊÌ⣬¶øÊǽ²Ò»¸ö¹ÖÎÊÌâ¡£
Ê×ÏÈ£¬Çë´ó¼ÒÏÈ¿´ÏÂÒÔϼ¸ÌõÓï¾äµÄÊä³ö£º
Double d1 = 0.005;
Double d2 = Double.parseDouble("0.005");
System.out.println(d1);
System.out.println(d1.toString());
System.out.println(d2);
Êä³ö»áÊÇʲ ......

java×óÒÆ¡¢ÓÒÒÆ¡¢ÎÞ·ûºÅÓÒÒÆ¡¢²¹Âë


Ãû´Ê½âÊÍ£º
²¹Â룺1 ÔÚ¼ÆËã»úϵͳÖУ¬ÊýÖµÒ»ÂÉÓв¹ÂëÀ´±íʾ(´æ´¢). ʹÓò¹Âë,¿ÉÒÔ½«·ûºÅλºÍÆäËûλͳһ´¦Àí;ͬʱ,¼õ·¨Ò²¿É°´¼Ó·¨À´´¦Àí.ÁíÍâ,Á½¸öÓò¹Âë±íʾµÄÊý¾ÝÏà¼Óʱºò,Èç¹û×î¸ßλ(·ûºÅλ)Óнøλ,Ôò½øÎ¥±»ÉáÆú.
               2 ²¹ÂëÓëÔ­Â ......

ÒøÐбÊÊÔÌâ java±ÊÊÔÌâ

1¡¢×÷ÓÃÓòpublic,private,protected,ÒÔ¼°²»Ð´Ê±µÄÇø±ð
  ´ð£º
Çø±ðÈçÏ£º  
×÷ÓÃÓò           µ±Ç°Àà       ͬһpackage     ×ÓËïÀà      ÆäËûpackage  
p ......

125Ìõ³£¼ûµÄjavaÃæÊÔ±ÊÊÔÌâ´ó»ã×Ü

1.³éÏ󣺡¡³éÏó¾ÍÊǺöÂÔÒ»¸öÖ÷ÌâÖÐÓ뵱ǰĿ±êÎ޹صÄÄÇЩ·½Ã棬ÒÔ±ã¸ü³ä·ÖµØ×¢ÒâÓ뵱ǰĿ±êÓйصķ½Ãæ¡£³éÏó²¢²»´òËãÁ˽âÈ«²¿ÎÊÌ⣬¶øÖ»ÊÇÑ¡ÔñÆäÖеÄÒ»²¿·Ö£¬ÔÝʱ²»Óò¿·Öϸ½Ú¡£³éÏó°üÀ¨Á½¸ö·½Ã棬һÊǹý³Ì³éÏ󣬶þÊÇÊý¾Ý³éÏó¡£  
2.¼Ì³Ð£º
¡¡¼Ì³ÐÊÇÒ»ÖÖÁª½áÀàµÄ²ã´ÎÄ£ÐÍ£¬²¢ÇÒÔÊÐíºÍ¹ÄÀøÀàµÄÖØÓã¬ËüÌṩÁËÒ»Ö ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ