解析微信公众号回调xml

引入依赖 

 <!-- https://mvnrepository.com/artifact/dom4j/dom4j -->
    <dependency>
      <groupId>dom4j</groupId>
      <artifactId>dom4j</artifactId>
      <version>1.6.1</version>
    </dependency>

解析xml

 /**
     * 解析微信公众号回调xml
     * @param request 请求
     * @return
     */
    public static Map<String,String> parseRequest(HttpServletRequest request){
        Map<String,String> map=new HashMap<String,String>();
        SAXReader reader=new SAXReader();
        Document document= null;
        try {
            //读取输入流获取文档对象
            document = reader.read(request.getInputStream());
            //根据文档对象获取根节点
            Element rootElement=document.getRootElement();
            //获取根所有子节点
            List<Element> elements = rootElement.elements();
            for (Element e:elements) {
                map.put(e.getName(),e.getStringValue());
            }
        } catch (DocumentException | IOException e) {
            e.printStackTrace();
        }
       return map;
    }

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