锘??xml version="1.0" encoding="utf-8" standalone="yes"?>亚洲首页在线观看,亚洲国产天堂久久综合,亚洲欧洲日产国码无码网站http://m.tkk7.com/wuxufeng8080/category/13148.htmlzh-cnThu, 01 Mar 2007 01:27:05 GMTThu, 01 Mar 2007 01:27:05 GMT60dom4j http://m.tkk7.com/wuxufeng8080/articles/72218.html椋庝漢鍥?/dc:creator>椋庝漢鍥?/author>Wed, 27 Sep 2006 02:35:00 GMThttp://m.tkk7.com/wuxufeng8080/articles/72218.htmldom4j 鏄竴縐嶈В鏋?XML 鏂囨。鐨勫紑鏀炬簮浠g爜 XML 妗嗘灦銆傛湰鏂囦粙緇嶅浣曚嬌鐢ㄥ寘鍚湪 dom4j 涓殑瑙f瀽鍣ㄥ垱寤哄茍淇敼 XML 鏂囨。銆?/blockquote>

dom4j API 鍖呭惈涓涓В鏋?XML 鏂囨。鐨勫伐鍏楓傛湰鏂囦腑灝嗕嬌鐢ㄨ繖涓В鏋愬櫒鍒涘緩涓涓ず渚?XML 鏂囨。銆傛竻鍗?1 鏄劇ず浜嗚繖涓ず渚?XML 鏂囨。錛宑atalog.xml銆?/p> 娓呭崟 1. 紺轟緥 XML 鏂囨。錛坈atalog.xml錛?/b>
												
														<?xml version="1.0" encoding="UTF-8"?> 
<catalog> 
<!--An XML Catalog--> 
<?target instruction?>
  <journal title="XML Zone" 
                  publisher="IBM developerWorks"> 

<article level="Intermediate" date="December-2001">
 <title>Java configuration with XML Schema</title> 
 <author> 
     <firstname>Marcello</firstname> 
     <lastname>Vitaletti</lastname> 
 </author>
  </article>
  </journal> 
</catalog>

												
										

鐒跺悗浣跨敤鍚屼竴涓В鏋愬櫒淇敼 catalog.xml錛屾竻鍗?2 鏄慨鏀瑰悗鐨?XML 鏂囨。錛宑atalog-modified.xml銆?/p> 娓呭崟 2. 淇敼鍚庣殑 XML 鏂囨。錛坈atalog-modified.xml錛?/b>
												
														<?xml version="1.0" encoding="UTF-8"?> 
<catalog> 
<!--An XML catalog--> 
<?target instruction?>
  <journal title="XML Zone"
                   publisher="IBM developerWorks"> 

<article level="Introductory" date="October-2002">
 <title>Create flexible and extensible XML schemas</title> 
 <author> 
     <firstname>Ayesha</firstname> 
     <lastname>Malik</lastname> 
 </author> 
  </article>
  </journal> 
</catalog>

												
										

涓?W3C DOM API 鐩告瘮錛屼嬌鐢?dom4j 鎵鍖呭惈鐨勮В鏋愬櫒鐨勫ソ澶勬槸 dom4j 鎷ユ湁鏈湴鐨?XPath 鏀寔銆侱OM 瑙f瀽鍣ㄤ笉鏀寔浣跨敤 XPath 閫夋嫨鑺傜偣銆?/p>

鏈枃鍖呮嫭浠ヤ笅鍑犱釜閮ㄥ垎錛?/p>

  • 棰勫厛璁劇疆
  • 鍒涘緩鏂囨。
  • 淇敼鏂囨。

棰勫厛璁劇疆

榪欎釜瑙f瀽鍣ㄥ彲浠ヤ粠 http://dom4j.org 鑾峰彇銆傞氳繃璁劇疆浣?dom4j-1.4/dom4j-full.jar 鑳藉鍦?classpath 涓闂紝璇ユ枃浠朵腑鍖呮嫭 dom4j 綾匯乆Path 寮曟搸浠ュ強 SAX 鍜?DOM 鎺ュ彛銆傚鏋滃凡緇忎嬌鐢ㄤ簡 JAXP 瑙f瀽鍣ㄤ腑鍖呭惈鐨?SAX 鍜?DOM 鎺ュ彛錛屽悜 classpath 涓鍔?dom4j-1.4/dom4j.jar 銆?dom4j.jar 鍖呮嫭 dom4j 綾誨拰 XPath 寮曟搸錛屼絾鏄笉鍚?SAX 涓?DOM 鎺ュ彛銆?





鍥為〉棣?/font>


鍒涘緩鏂囨。

鏈妭璁ㄨ浣跨敤 dom4j API 鍒涘緩 XML 鏂囨。鐨勮繃紼嬶紝騫跺垱寤虹ず渚?XML 鏂囨。 catalog.xml銆?/p>

浣跨敤 import 璇彞瀵煎叆 dom4j API 綾伙細

												
														import org.dom4j.Document;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;

												
										

浣跨敤 DocumentHelper 綾誨垱寤轟竴涓枃妗e疄渚嬨?DocumentHelper 鏄敓鎴?XML 鏂囨。鑺傜偣鐨?dom4j API 宸ュ巶綾匯?

												
														 Document document = DocumentHelper.createDocument();
												
										

浣跨敤 addElement() 鏂規硶鍒涘緩鏍瑰厓绱?catalog 銆?addElement() 鐢ㄤ簬鍚?XML 鏂囨。涓鍔犲厓绱犮?

												
														Element catalogElement = document.addElement("catalog");
												
										

鍦?catalog 鍏冪礌涓嬌鐢?addComment() 鏂規硶娣誨姞娉ㄩ噴鈥淎n XML catalog鈥濄?

												
														 catalogElement.addComment("An XML catalog");
												
										

鍦?catalog 鍏冪礌涓嬌鐢?addProcessingInstruction() 鏂規硶澧炲姞涓涓鐞嗘寚浠ゃ?

												
														catalogElement.addProcessingInstruction("target","text");
												
										

鍦?catalog 鍏冪礌涓嬌鐢?addElement() 鏂規硶澧炲姞 journal 鍏冪礌銆?

												
														Element journalElement =  catalogElement.addElement("journal");
												
										

浣跨敤 addAttribute() 鏂規硶鍚?journal 鍏冪礌娣誨姞 title 鍜?publisher 灞炴с?

												
														journalElement.addAttribute("title", "XML Zone");
         journalElement.addAttribute("publisher", "IBM developerWorks");
												
										

鍚?article 鍏冪礌涓坊鍔?journal 鍏冪礌銆?

												
														Element articleElement=journalElement.addElement("article");
												
										

涓?article 鍏冪礌澧炲姞 level 鍜?date 灞炴с?

												
														articleElement.addAttribute("level", "Intermediate");
      articleElement.addAttribute("date", "December-2001");
												
										

鍚?article 鍏冪礌涓鍔?title 鍏冪礌銆?

												
														Element titleElement=articleElement.addElement("title");
												
										

浣跨敤 setText() 鏂規硶璁劇疆 article 鍏冪礌鐨勬枃鏈?

												
														titleElement.setText("Java configuration with XML Schema");
												
										

鍦?article 鍏冪礌涓鍔?author 鍏冪礌銆?

												
														Element authorElement=articleElement.addElement("author");
												
										

鍦?author 鍏冪礌涓鍔?firstname 鍏冪礌騫惰緗鍏冪礌鐨勬枃鏈?

												
														Element  firstNameElement=authorElement.addElement("firstname");
     firstNameElement.setText("Marcello");
												
										

鍦?author 鍏冪礌涓鍔?lastname 鍏冪礌騫惰緗鍏冪礌鐨勬枃鏈?

												
														Element lastNameElement=authorElement.addElement("lastname");
     lastNameElement.setText("Vitaletti");
												
										

鍙互浣跨敤 addDocType() 鏂規硶娣誨姞鏂囨。綾誨瀷璇存槑銆?

												
														document.addDocType("catalog", null,"file://c:/Dtds/catalog.dtd");
												
										

榪欐牱灝卞悜 XML 鏂囨。涓鍔犳枃妗g被鍨嬭鏄庯細

												
														<!DOCTYPE catalog SYSTEM "file://c:/Dtds/catalog.dtd">
												
										

濡傛灉鏂囨。瑕佷嬌鐢ㄦ枃妗g被鍨嬪畾涔夛紙DTD錛夋枃妗i獙璇佸垯蹇呴』鏈?Doctype銆?/p>

XML 澹版槑 <?xml version="1.0" encoding="UTF-8"?> 鑷姩娣誨姞鍒?XML 鏂囨。涓?

娓呭崟 3 鎵紺虹殑渚嬪瓙紼嬪簭 XmlDom4J.java 鐢ㄤ簬鍒涘緩 XML 鏂囨。 catalog.xml銆?/p> 娓呭崟 3. 鐢熸垚 XML 鏂囨。 catalog.xml 鐨勭▼搴忥紙XmlDom4J.java錛?/b>
												
														import org.dom4j.Document;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;
import org.dom4j.io.XMLWriter;
import java.io.*;



public class XmlDom4J{


public void generateDocument(){
Document document = DocumentHelper.createDocument();
     Element catalogElement = document.addElement("catalog");
     catalogElement.addComment("An XML Catalog");
     catalogElement.addProcessingInstruction("target","text");
     Element journalElement =  catalogElement.addElement("journal");
     journalElement.addAttribute("title", "XML Zone");
     journalElement.addAttribute("publisher", "IBM developerWorks");


     Element articleElement=journalElement.addElement("article");
     articleElement.addAttribute("level", "Intermediate");
     articleElement.addAttribute("date", "December-2001");
     Element  titleElement=articleElement.addElement("title");
     titleElement.setText("Java configuration with XML Schema");
     Element authorElement=articleElement.addElement("author");
     Element  firstNameElement=authorElement.addElement("firstname");
     firstNameElement.setText("Marcello");
     Element lastNameElement=authorElement.addElement("lastname");
     lastNameElement.setText("Vitaletti");

     document.addDocType("catalog",
                           null,"file://c:/Dtds/catalog.dtd");
    try{
    XMLWriter output = new XMLWriter(
            new FileWriter( new File("c:/catalog/catalog.xml") ));
        output.write( document );
        output.close();
        }
     catch(IOException e){System.out.println(e.getMessage());}
}

public static void main(String[] argv){
XmlDom4J dom4j=new XmlDom4J();
dom4j.generateDocument();
}}

												
										

榪欎竴鑺傝璁轟簡鍒涘緩 XML 鏂囨。鐨勮繃紼嬶紝涓嬩竴鑺傚皢浠嬬粛浣跨敤 dom4j API 淇敼榪欓噷鍒涘緩鐨?XML 鏂囨。銆?





鍥為〉棣?/font>


淇敼鏂囨。

榪欎竴鑺傝鏄庡浣曚嬌鐢?dom4j API 淇敼紺轟緥 XML 鏂囨。 catalog.xml銆?/p>

浣跨敤 SAXReader 瑙f瀽 XML 鏂囨。 catalog.xml錛?/p>
												
														SAXReader saxReader = new SAXReader();
 Document document = saxReader.read(inputXml);
												
										

SAXReader 鍖呭惈鍦?org.dom4j.io 鍖呬腑銆?

inputXml 鏄粠 c:/catalog/catalog.xml 鍒涘緩鐨?java.io.File銆備嬌鐢?XPath 琛ㄨ揪寮忎粠 article 鍏冪礌涓幏寰?level 鑺傜偣鍒楄〃銆傚鏋?level 灞炴у兼槸鈥淚ntermediate鈥濆垯鏀逛負鈥淚ntroductory鈥濄?

												
														List list = document.selectNodes("http://article/@level" );
      Iterator iter=list.iterator();
        while(iter.hasNext()){
            Attribute attribute=(Attribute)iter.next();
               if(attribute.getValue().equals("Intermediate"))
               attribute.setValue("Introductory"); 
       }
												
										

鑾峰彇 article 鍏冪礌鍒楄〃錛屼粠 article 鍏冪礌涓殑 title 鍏冪礌寰楀埌涓涓凱浠e櫒錛屽茍淇敼 title 鍏冪礌鐨勬枃鏈?

												
														list = document.selectNodes("http://article" );
     iter=list.iterator();
   while(iter.hasNext()){
       Element element=(Element)iter.next();
      Iterator iterator=element.elementIterator("title");
   while(iterator.hasNext()){
   Element titleElement=(Element)iterator.next();
   if(titleElement.getText().equals("Java configuration with XML Schema"))
     titleElement.setText("Create flexible and extensible XML schema");

    }}
												
										

閫氳繃鍜?title 鍏冪礌綾諱技鐨勮繃紼嬩慨鏀?author 鍏冪礌銆?

娓呭崟 4 鎵紺虹殑紺轟緥紼嬪簭 Dom4JParser.java 鐢ㄤ簬鎶?catalog.xml 鏂囨。淇敼鎴?catalog-modified.xml 鏂囨。銆?/p> 娓呭崟 4. 鐢ㄤ簬淇敼 catalog.xml 鐨勭▼搴忥紙Dom4Jparser.java錛?/b>
												
														import org.dom4j.Document;
import org.dom4j.Element;
import org.dom4j.Attribute;
import java.util.List;
import java.util.Iterator;
import org.dom4j.io.XMLWriter;
import java.io.*;
import org.dom4j.DocumentException;
import org.dom4j.io.SAXReader; 

public class Dom4JParser{

 public void modifyDocument(File inputXml){

  try{
   SAXReader saxReader = new SAXReader();
   Document document = saxReader.read(inputXml);

   List list = document.selectNodes("http://article/@level" );
   Iterator iter=list.iterator();
   while(iter.hasNext()){
    Attribute attribute=(Attribute)iter.next();
    if(attribute.getValue().equals("Intermediate"))
      attribute.setValue("Introductory"); 

       }
   
   list = document.selectNodes("http://article/@date" );
   iter=list.iterator();
   while(iter.hasNext()){
    Attribute attribute=(Attribute)iter.next();
    if(attribute.getValue().equals("December-2001"))
      attribute.setValue("October-2002");

       }

   list = document.selectNodes("http://article" );
   iter=list.iterator();
   while(iter.hasNext()){
    Element element=(Element)iter.next();
    Iterator iterator=element.elementIterator("title");
      while(iterator.hasNext()){
        Element titleElement=(Element)iterator.next();
        if(titleElement.getText().equals("Java configuration with XML

      Schema"))
        titleElement.setText("Create flexible and extensible XML schema");

                                          }

                                }

    list = document.selectNodes("http://article/author" );
    iter=list.iterator();
     while(iter.hasNext()){
     Element element=(Element)iter.next();
     Iterator iterator=element.elementIterator("firstname");
     while(iterator.hasNext()){
      Element firstNameElement=(Element)iterator.next();
      if(firstNameElement.getText().equals("Marcello"))
      firstNameElement.setText("Ayesha");
                                     }

                              }

    list = document.selectNodes("http://article/author" );
    iter=list.iterator();
     while(iter.hasNext()){
      Element element=(Element)iter.next();
      Iterator iterator=element.elementIterator("lastname");
     while(iterator.hasNext()){
      Element lastNameElement=(Element)iterator.next();
      if(lastNameElement.getText().equals("Vitaletti"))
      lastNameElement.setText("Malik");

                                  }

                               }
     XMLWriter output = new XMLWriter(
      new FileWriter( new File("c:/catalog/catalog-modified.xml") ));
     output.write( document );
     output.close();
   }
 
  catch(DocumentException e)
                 {
                  System.out.println(e.getMessage());
                            }

  catch(IOException e){
                       System.out.println(e.getMessage());
                    }
 }

 public static void main(String[] argv){

  Dom4JParser dom4jParser=new Dom4JParser();
  dom4jParser.modifyDocument(new File("c:/catalog/catalog.xml"));

                                        }

   }

												
										

榪欎竴鑺傝鏄庝簡濡備綍浣跨敤 dom4j 涓殑瑙f瀽鍣ㄤ慨鏀圭ず渚?XML 鏂囨。銆傝繖涓В鏋愬櫒涓嶄嬌鐢?DTD 鎴栬呮ā寮忛獙璇?XML 鏂囨。銆傚鏋?XML 鏂囨。闇瑕侀獙璇侊紝鍙互瑙i噴鐢?dom4j 涓?JAXP SAX 瑙f瀽鍣ㄣ?/p>



鍥為〉棣?/font>


緇撴潫璇?/font>

鍖呭惈鍦?dom4j 涓殑瑙f瀽鍣ㄦ槸涓縐嶇敤浜庤В鏋?XML 鏂囨。鐨勯潪楠岃瘉鎬у伐鍏鳳紝鍙互涓嶫AXP銆丆rimson 鎴?Xerces 闆嗘垚銆傛湰鏂囪鏄庝簡濡備綍浣跨敤璇ヨВ鏋愬櫒鍒涘緩鍜屼慨鏀?XML 鏂囨。銆?




]]>
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