做XML解析，list的add总是只有最后一个结果，解析的结果也有问题

[nancymcguire]

哎。xml是一个数据库，自己做的比较简单，如下：

<pma_xml_export xmlns:pma="http://www.phpmyadmin.net/some_doc_url/" version="1.0">
<!-- 
    - Structure schemas
     -->
<pma:structure_schemas>
<pma:database name="test" collation="latin1_swedish_ci" charset="latin1">
<pma:table name="light">
CREATE TABLE `light` ( `time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, `light` int(11) NOT NULL, UNIQUE KEY `time` (`time`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1;
</pma:table>
</pma:database>
</pma:structure_schemas>
<!-- 
    - 数据库: 'test'
     -->
<database name="test">
<!--  表 light  -->
<table name="light">
<column name="time">2015-02-13 00:00:00</column>
<column name="light">13</column>
</table>
<table name="light">
<column name="time">2015-02-14 00:00:00</column>
<column name="light">14</column>
</table>
</database>
</pma_xml_export>

XML解析是在网上摘了一段，做了些修改：

public static List<weatherInfo> getPersons(String buffer) throws IOException{  
        List<weatherInfo> infos = null;  
        weatherInfo info = null;  
        XmlPullParser pullParser = Xml.newPullParser();  
        try {  
            pullParser.setInput(tInputStringStream,"UTF-8");
            int event = pullParser.getEventType();  
            while(event!=XmlPullParser.END_DOCUMENT){  
                switch (event) {  
                case XmlPullParser.START_DOCUMENT:  
                    infos = new ArrayList<weatherInfo>();  
                    break;  
                case XmlPullParser.START_TAG:  
                      
                    if("table".equals(pullParser.getName())){  
                        info = new weatherInfo();                          
                    }  
                    if("column".equals(pullParser.getName())){ 
                        String att=pullParser.getAttributeValue(0);
                    	if("time".equals(att)){
                        String time = pullParser.nextText(); 
                        Log.d("io","light:"+time);
                        info.setTime(time);                         
                        } 
                    	else if("light".equals(att)){
                            String light = pullParser.nextText();
                            Log.d("io","light:"+light);
                            info.setLight(light);                         
                        }  
                     }                   
                    break;  
                case XmlPullParser.END_TAG:  
                    if("table".equals(pullParser.getName())){  
                        infos.add(info);  
                        Log.d("io","info"+info.light);
                        info = null;  
                    }  
                    break;  
                }  
                event = pullParser.next();  
            }                
        }         
        catch (XmlPullParserException e) {  
            e.printStackTrace();  
        } 
        for (int i=0;i<infos.size();i++) 
        {
      	  System.out.println("test"+ infos.get(i).getLight());
        }
        return infos;  
    }  
}  

然后结果就是这样的：



求救啊，我是安卓新人，这个问题不太懂。。网上说的new要在循环体内部，我觉得我是在内部的吧，，哎。。

[nancymcguire]

解析的结果为什么xml读了两遍？ 正常输出应该是一个13，一个14，这里输出三个14又是为什么呢？