xml解析工具类之XmlPullParser解析

拼搏现实的明天。 2022-03-19 08:07 283阅读 0赞

import java.io.Reader;
    import java.io.StringReader;
    import java.util.HashMap;
    import java.util.Map;
    import java.util.Map.Entry;
    import java.util.Set;
    
    import org.xmlpull.v1.XmlPullParser;
    import org.xmlpull.v1.XmlPullParserFactory;
    /**
     * @author Super Zheng
     */
    public class XmlParseUtil {
    
    	public static Map<String,String> xmlParse(Reader reader){
    		Map<String,String> map = new HashMap<>();
    		try {
    			// 获得一个XmlPullParser解析器
    			XmlPullParser newPullParser = XmlPullParserFactory.newInstance().newPullParser();
    			// 设置解析输入流
    			newPullParser.setInput(reader);
    			// 获取当前事件类型
    			int eventType = newPullParser.getEventType();
    			
    		    /*
    		         文档开始标识
    		    public static final int START_DOCUMENT = 0;
    	                   文档结束标识
    		    public static final int END_DOCUMENT = 1;
    		         标签开始标识
    		    public static final int START_TAG = 2;
    		         标签结束标识
    		    public static final int END_TAG = 3;
    		    */
    			
    			// 判断当前事件类型
    			while(eventType!=XmlPullParser.END_DOCUMENT){
    				// 当前标签的名字
    				String name = newPullParser.getName();
    				if(!"xml".equals(name)&&eventType==XmlPullParser.START_TAG){
    					// 当前标签对应的值
    					String nextText = newPullParser.nextText();
    					map.put(name, nextText);
    				}
    				// 改变当前的eventType
    				eventType=newPullParser.next();
    			}
    			
    		} catch (Exception e) {
    			e.printStackTrace();
    		}
    		return map;
    	}
    	
    	// 测试代码
    	public static void main(String[] args) {
    		String xml = "<xml><ToUserName><![CDATA[gh_55e547acb71e]]></ToUserName>"
    				+ "<FromUserName><![CDATA[o9cEf0iZn8aKK4-MKWmqO2fs36xE]]></FromUserName>"
    				+ "<CreateTime>1505114547</CreateTime>" + "<MsgType><![CDATA[text]]></MsgType>"
    				+ "<Content><![CDATA[这是一个测试]]></Content>" + "<MsgId>6464417756529124601</MsgId>" + "</xml>";;
    		Map<String, String> map = XmlParseUtil.xmlParse(new StringReader(xml));
    		Set<Entry<String,String>> entrySet = map.entrySet();
    		for (Entry<String, String> entry : entrySet) {
    			System.out.println(entry.getKey()+" : "+entry.getValue());
    		}
    	}
    }

测试工具类结果：

![20190215215101175.png][]

[20190215215101175.png]: /images/20220319/11cc6fa08e7949d882907c680d23a2bb.png