在一個StAX解析示例中,我設置了一個String dataread = se.getElementText();
。 我正在成功地打印該字符串(dataread)。使用外部循環的字符串變量
但是,在我的代碼中的任何其他地方,它不會工作,它報告它找不到符號dataread
。你會看到它正在嘗試5個其他地方進入代碼 - 所有報告都一樣。 if語句中的第一行有效。
如何在我的程序的其他地方使用字符串「dataread」?
感謝
public static void main(String[] args) throws FileNotFoundException, XMLStreamException
{
// TODO code application logic here
//System.out.println("Here");
//String filename = null;
String filename = "BookCatalog2.xml";
XMLInputFactory factory = XMLInputFactory.newInstance();
XMLEventReader reader = factory.createXMLEventReader(new FileReader(filename));
while(reader.hasNext())
{
XMLEvent event = reader.nextEvent();
XMLEvent nextEvent = reader.peek();
switch (event.getEventType())
{
case XMLEvent.START_ELEMENT:
StartElement se = event.asStartElement();
//System.out.println("Here");
//System.out.print("<" + se.getName());
//System.out.print(" " + se.getName());
//System.out.printf("\n");
String elem = se.getName().toString();
//String elem = "1";
//System.out.printf("elem = %s\n",elem);
//String ele = event.getAttributeName();
System.out.printf("event = %s\n",se.getName());
//if(se.getName().toString() == "{http://www.publishing.org}Date")
if(se.getName().toString().equals("Date"))
//if(elem == "1")
{
System.out.println("Here !!!!!!!!!!!!!!!!!");
String dataread = reader.getElementText();
//System.out.printf("data = %s\n",reader.getElementText());
System.out.printf("data = %s\n",dataread);
}
Iterator attributes = se.getNamespaces();
System.out.printf("DATA READ = %s\n",dataread);
while(attributes.hasNext())
{
Attribute attr= (Attribute)attributes.next();
System.out.print(" " + attr.getName() + "=\"" +attr.getValue() +"\"");
System.out.printf("\n");
}//end while loop
System.out.print(">");
if(nextEvent.isCharacters())
{
Characters c = reader.nextEvent().asCharacters();
if(!c.isWhiteSpace())
System.out.print(c.getData());
System.out.printf("\n");
}// end if
System.out.printf("DATA READ = %s\n",dataread);
/*case XMLEvent.END_ELEMENT>
EndElement ee = event.asEndElement();
System.out.print("</"+ee.getName()+">");
break;
* */
System.out.printf("DATA READ = %s\n",dataread);
}// end witch
System.out.printf("DATA READ = %s\n",dataread);
}// end while
System.out.printf("DATA READ = %s\n",dataread);
reader.close();
}//end Main
}// public claSS