JDOM2로 XML을 작성하고 데이터를 추가하십시오
문제
JAVA로 JDOM2를 사용하는 것이 좋으며 XML의 열린 태그를 반복하지 않는 방법을 찾지 못합니다
이 "compte"를 만들 때 XML 파일에서 다음과 같습니다.
<?xml version="1.0" encoding="UTF-8"?>
<banque>
<compte>
<numCompte>4465</numCompte>
<nom>Antoine</nom>
<solde>1684185</solde>
</compte>
</banque><?xml version="1.0" encoding="UTF-8"?>
<banque>
<compte id="0102">
<numCompte>0102</numCompte>
<nom>rzrzr</nom>
<solde>85416</solde>
</compte>
</banque>
.
이것은 자바입니다.
Element banque = new Element("banque");
Document document = new Document(banque);
Element compte = new Element("compte");
compte.setAttribute(new Attribute("id", this.idCompte));
compte.addContent(new Element("numCompte").setText(this.idCompte));
compte.addContent(new Element("nom").setText(this.nom));
compte.addContent(new Element("solde").setText(this.solde));
document.getRootElement().addContent(compte);
XMLOutputter xmlOutput = new XMLOutputter();
xmlOutput.output(document, System.out);
xmlOutput.setFormat(Format.getPrettyFormat());
xmlOutput.output(document, new FileWriter(
"generatedXmlFiles/listeCompte.xml",true));
.
시간에 감사드립니다 :)
해결책
해결책을 찾았습니다.
try{
Document document = null;
Element root = null;
File xmlFile = new File("generatedXmlFiles/listeCompte.xml");
if(xmlFile.exists()){
FileInputStream fis = new FileInputStream(xmlFile);
SAXBuilder sb = new SAXBuilder();
document = sb.build(fis);
root = document.getRootElement();
fis.close();
}else{
document = new Document();
root = new Element("banque");
}
Element compte = new Element("compte");
compte.setAttribute(new Attribute("idCompte", this.idCompte));
compte.addContent(new Element("numCompte").setText(this.idCompte));
compte.addContent(new Element("nom").setText(this.nom));
compte.addContent(new Element("solde").setText(this.solde));
root.addContent(compte);
document.setContent(root);
FileWriter writer = new FileWriter("generatedXmlFiles/listeCompte.xml");
XMLOutputter outputter = new XMLOutputter();
outputter.setFormat(Format.getPrettyFormat());
outputter.output(document, writer);
outputter.output(document, System.out);
writer.close(); // close writer
} catch (IOException io) {
System.out.println(io.getMessage());
} catch (JDOMException e) {
e.printStackTrace();
}
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