java读取xml资料的四种方法【转】

java读取xml文件的四种方法【转】

Xml代码?

1. Java代码?
   1. Java代码?
      1. Java代码?
         1. Java代码?
            1. import?javax.xml.parsers.SAXParser; ??
            2. import?javax.xml.parsers.SAXParserFactory; ??
            3. ??
            4. import?org.xml.sax.Attributes; ??
            5. import?org.xml.sax.InputSource; ??
            6. import?org.xml.sax.SAXException; ??
            7. import?org.xml.sax.helpers.DefaultHandler; ??
            8. ??
            9. public?class?MyXMLReader2SAX?extends?DefaultHandler { ??
            10. ??
            11. java.util.Stack tags =?new?java.util.Stack(); ??
            12. ??
            13. public?MyXMLReader2SAX() { ??
            14. ??super(); ??
            15. } ??
            16. ??
            17. public?static?void?main(String args[]) { ??
            18. ??long?lasting = System.currentTimeMillis(); ??
            19. ??try?{ ??
            20. ??? SAXParserFactory sf = SAXParserFactory.newInstance(); ??
            21. ??? SAXParser sp = sf.newSAXParser(); ??
            22. ??? MyXMLReader2SAX reader =?new?MyXMLReader2SAX(); ??
            23. ??? sp.parse(new?InputSource("data_10k.xml"), reader); ??
            24. ?? }?catch?(Exception e) { ??
            25. ??? e.printStackTrace(); ??
            26. ?? } ??
            27. ??
            28. ?? System.out.println("运行时间："?+ (System.currentTimeMillis() - lasting) ??
            29. ???? +?"毫秒"); ??
            30. } ??
            31. ??
            32. public?void?characters(char?ch[],?int?start,?int?length) ??
            33. ???throws?SAXException { ??
            34. ?? String tag = (String) tags.peek(); ??
            35. ??if?(tag.equals("NO")) { ??
            36. ??? System.out.print("车牌号码："?+?new?String(ch, start, length)); ??
            37. ?? } ??
            38. ??if?(tag.equals("ADDR")) { ??
            39. ??? System.out.println("地址:"?+?new?String(ch, start, length)); ??
            40. ?? } ??
            41. } ??
            42. ??
            43. public?void?startElement(String uri, String localName, String qName, ??
            44. ??? Attributes attrs) { ??
            45. ?? tags.push(qName); ??
            46. } ??
            47. }??
            来自:?http://hi.baidu.com/zhangyadong110/blog/item/d1258010346b9519b8127b0b.html