XML字符串转为Map集合

今天药忘吃喽~ 2021-11-11 21:18 410阅读 0赞

public class xmlToMapUtils {
    
        /**
         * xml字符串转为map集合
         * @param xmlStr
         * @return
         */
        public static Map<String, Object> xmlToMap(String xmlStr){
            List<Map<String, String>> resultList = iterateWholeXML(xmlStr);
            Map<String, Object> retMap = new HashMap<String, Object>();
            for (int i = 0; i < resultList.size(); i++) {
                Map<String,Object> map = (Map)resultList.get(i);
    
                for (Iterator iterator = map.keySet().iterator(); iterator.hasNext();) {
                    String key = (String) iterator.next();
                    retMap.put(key, map.get(key));
    
                }
            }
            return retMap;
        }
    
        /**
         * 递归解析任意的xml 遍历每个节点和属性
         *
         * @param xmlStr
         */
        private static List<Map<String, String>> iterateWholeXML(String xmlStr) {
    
            List<Map<String, String>> list = new ArrayList();
    
            try {
                Document document = DocumentHelper.parseText(xmlStr);
                Element root = document.getRootElement();
                recursiveNode(root, list);
                return list;
            } catch (DocumentException e) {
                e.printStackTrace();
            }
            return null;
        }
    
        /**
         * 递归遍历所有的节点获得对应的值
         *
         * @param
         */
        private static void recursiveNode(Element root, List<Map<String, String>> list) {
    
            // 遍历根结点的所有孩子节点
            HashMap<String, String> map = new HashMap();
            for (Iterator iter = root.elementIterator(); iter.hasNext();) {
                Element element = (Element) iter.next();
                if (element == null)
                    continue;
                // 获取属性和它的值
                for (Iterator attrs = element.attributeIterator(); attrs.hasNext();) {
                    Attribute attr = (Attribute) attrs.next();
                    if (attr == null)
                        continue;
                    String attrName = attr.getName();
                    String attrValue = attr.getValue();
    
                    map.put(attrName, attrValue);
                }
                // 如果有PCDATA，则直接提出
                if (element.isTextOnly()) {
                    String innerName = element.getName();
                    String innerValue = element.getText();
                    map.put(innerName, innerValue);
                    list.add(map);
                } else {
                    // 递归调用
                    recursiveNode(element, list);
                }
            }
        }
        /**
         * 测试
         */
        public static void main(String[] args) {
            String xmlStr = "<?xml version='1.0' encoding='UTF-8'?><OPERATION><HEAD><TIMESTAMP>20190621173338</TIMESTAMP><LOCATION>SHANGHAI</LOCATION></HEAD><BODY><OPERATORID>admin</OPERATORID><OPERATORIP>127.0.0.1</OPERATORIP><USERINFO><USERID>1</USERID><USERNAME>zhangsan</USERNAME><PASSWORD>123456</PASSWORD><MOBILE>11111111111</MOBILE></USERINFO></BODY></OPERATION>";
            Map<String, Object> xmlToMap = xmlToMap(xmlStr);
            Set<Map.Entry<String,Object>> entrySet = xmlToMap.entrySet();
            for (Map.Entry<String, Object> entry : entrySet) {
                System.out.println(entry.getKey()+"---"+entry.getValue());
            }
        }
    }

**结果如下：**  
![1662264-20190726171427821-1752391181.png][]

转载于:https://www.cnblogs.com/JohnDawson/p/11251651.html

[1662264-20190726171427821-1752391181.png]: /images/20211109/ac9985811de141cca33a6d3672a00dd4.png