2
我正在使用StAX來解析XML文件,並想知道每個標記的起始和結束位置。爲此,我嘗試使用getLocation().getCharacterOffset()
,但它爲每個標記返回不正確的值。getCharacterOffset()返回不正確的值
XMLInputFactory factory = XMLInputFactory.newInstance();
XMLEventReader reader = factory.createXMLEventReader(
new StringReader("<root>txt1<tag>txt2</tag></root>"));
XMLEvent e;
e = reader.nextEvent(); // START_DOCUMENT
System.out.println(e);
System.out.println(e.getLocation());
e = reader.nextEvent(); // START_ELEMENT "root"
System.out.println(e);
System.out.println(e.getLocation());
e = reader.nextEvent(); // CHARACTERS "txt1"
System.out.println(e);
System.out.println(e.getLocation());
e = reader.nextEvent(); // START_ELEMENT "tag"
System.out.println(e);
System.out.println(e.getLocation());
上面打印此代碼:
<?xml version="null" encoding='null' standalone='no'?>
Line number = 1
Column number = 1
System Id = null
Public Id = null
Location Uri= null
CharacterOffset = 0
<root>
Line number = 1
Column number = 7
System Id = null
Public Id = null
Location Uri= null
CharacterOffset = 6
txt1
Line number = 1
Column number = 12
System Id = null
Public Id = null
Location Uri= null
CharacterOffset = 11
<tag>
Line number = 1
Column number = 16
System Id = null
Public Id = null
Location Uri= null
CharacterOffset = 15
<root>
後CharacterOffset
是正確6
,但隨後txt1
後是11
,而我希望看到10
。什麼抵消完全返回?