xml解析代码示例

 List<Entry> list = new ArrayList<>();
                Entry entry = null;
                try {
                    int eventType = response.getEventType();
                    while(XmlPullParser.END_DOCUMENT != eventType){
                        switch (eventType){
                            case XmlPullParser.START_TAG:
                                String tag = response.getName();
                                if ("item".equalsIgnoreCase(tag)){
                                    entry = new Entry();

                                }else if (entry != null){
                                    if ("title".equalsIgnoreCase(tag)){
                                        entry.setTitle(new String(response.nextText().getBytes(),"UTF-8"));
                                    }else if ("description".equalsIgnoreCase(tag)){
                                        entry.setDesc(new String(response.nextText().getBytes(),"UTF-8"));
                                    }else if ("link".equalsIgnoreCase(tag)){
                                        entry.setUrl(response.nextText());
                                    }
                                }
                                break;
                            case XmlPullParser.END_TAG:
                                if (response.getName().equalsIgnoreCase("item") && entry != null) {
                                    list.add(entry);
                                    entry = null;
                                }
                                break;
                            default:
                                break;
                        }
                        eventType = response.next();
                    }
                }catch (XmlPullParserException e) {
                    Log.e(TAG,"xml parse error :"+e.getLocalizedMessage());
                } catch (IOException e) {
                    Log.e(TAG,"xml parse error IOException:"+e.getLocalizedMessage());
                }

上面是第一种

 try {
                    int eventType = response.getEventType();
                    while(XmlPullParser.END_DOCUMENT != eventType){
                        switch (eventType){
                            case XmlPullParser.START_TAG:
                                String tag = response.getName();
                                if ("entry".equalsIgnoreCase(tag)){
                                    entry = new Entry();

                                }else if (entry != null){
                                    if ("title".equalsIgnoreCase(tag)){
                                        entry.setTitle(new String(response.nextText().getBytes(),"UTF-8"));
                                    }else if ("content".equalsIgnoreCase(tag)){
                                        entry.setDesc(new String(response.nextText().getBytes(),"UTF-8"));
                                    }else if ("link".equalsIgnoreCase(tag)){
                                        entry.setUrl(response.getAttributeValue(null, "href"));
                                    }
                                }
                                break;
                            case XmlPullParser.END_TAG:
                                if (response.getName().equalsIgnoreCase("entry") && entry != null) {
                                    list.add(entry);
                                    entry = null;
                                }
                                break;
                            default:
                                break;
                        }
                        eventType = response.next();
                    }
                }catch (XmlPullParserException e) {
                    Log.e(TAG,"xml parse error :"+e.getLocalizedMessage());
                } catch (IOException e) {
                    Log.e(TAG,"xml parse error IOException:"+e.getLocalizedMessage());
                }

上面是第二种