用pull解析XML

来源：互联网发布：浙江省进出口贸易数据编辑：程序博客网时间：2024/06/08 00:15

try {
           // 获取factory
           XmlPullParserFactory factory = XmlPullParserFactory.newInstance();
           // 获取 parser
           XmlPullParser parser = factory.newPullParser();

           ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(
                   xml.getBytes());
           // 设置流
           parser.setInput(byteArrayInputStream, "UTF-8");

           int type_pull = parser.getEventType();

           while (parser.getEventType() != XmlPullParser.END_DOCUMENT) {

               switch (type_pull) {

               case XmlPullParser.START_DOCUMENT:// 开始接收文件(走一次)
                   nList = new ArrayList<News>();

                   break;
               case XmlPullParser.START_TAG:// 开始解析元素
                   if ("news".equals(parser.getName())) {
                       // 得到对象呀
                       books = new News();

                   }

                   if (books != null) {

                       if ("id".equals(parser.getName())) {

                           books.id = parser.nextText();

                       } else if ("title".equals(parser.getName())) {

                           books.title = parser.nextText();

                       } else if ("body".equals(parser.getName())) {

                           books.body = parser.nextText();
                       } else if ("commentCount".equals(parser.getName())) {

                           books.commentCount = parser.nextText();
                       } else if ("author".equals(parser.getName())) {

                           books.author = parser.nextText();
                       } else if ("authorid".equals(parser.getName())) {

                           books.authorid = parser.nextText();
                       } else if ("pubDate".equals(parser.getName())) {

                           books.pubDate = parser.nextText();
                       } else if ("newstype".equals(parser.getName())) {

                           if ("type".equals(parser.getName())) {

                               books.newstype.type = parser.nextText();
                           } else if ("authoruid2".equals(parser.getName())) {

                               books.newstype.authoruid2 = parser.nextText();
                           }

                       }

                   }

                   break;
               case XmlPullParser.END_TAG:// 结束解析元素

                   // 判断是不是 Book
                   if ("news".equals(parser.getName())) {
                       nList.add(books);
                   }

                   break;
               case XmlPullParser.END_DOCUMENT:// 结束接收文件

                   break;

               default:
                   break;
               }

               type_pull = parser.next();
           }

       } catch (XmlPullParserException e) {
           // TODO Auto-generated catch block
           e.printStackTrace();

       } catch (IOException e) {
           // TODO Auto-generated catch block
           e.printStackTrace();

       }

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