Content-Type: application/x-www-form-urlencoded-优快云博客

本文链接：https://blog.youkuaiyun.com/COC_ME_GAME/article/details/84047796

本文介绍了如何通过流解析从第三方接收的XML POST请求，并详细解释了针对Content-Type为application/x-www-form-urlencoded的情况如何获取参数。同时，文章还提供了解析XML的方法，包括使用DOM解析器进行DOM解析。

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接受第三方的post过来的xml，如果没有设置Content-Type: application/x-www-form-urlencoded。则可以通过流来解析
代码如下

BufferedReader in= new BufferedReader(new InputStreamReader(httpServletRequest.getInputStream()));
			String s="";
			StringBuffer sb=new StringBuffer();
			while((s=in.readLine())!=null){
				sb.append(s);
				}
			// dom解析xml
			DocumentBuilderFactory buildFactory = DocumentBuilderFactory.newInstance();
			DocumentBuilder build = buildFactory.newDocumentBuilder();
			Document document = build.parse(httpServletRequest.getInputStream(),"utf-8");

			NodeList nodelist = document.getElementsByTagName("MO");
			for (int i = 0; i < nodelist.getLength(); i++) {
				longcodeArray.add(document.getElementsByTagName("LongCode").item(i).getFirstChild().getNodeValue().substring(1)); 
				messageArray.add(document.getElementsByTagName("Message").item(i).getFirstChild().getNodeValue());
			}

如果设置了Content-Type: application/x-www-form-urlencoded 则需要去parmmeterMap中间去取

List<String> longcodeArray=new ArrayList<String>();
		List<String> messageArray=new ArrayList<String>();
		try {
			CreateLog log = new CreateLog();
			HttpServletRequest httpServletRequest = this.getHttpServletRequest();
			String keyandValue="";
			String key="";
			String value="";
			Iterator<String> it=httpServletRequest.getParameterMap().keySet().iterator();
			while(it.hasNext()){
				key=it.next();
				value = ((Object[])(httpServletRequest.getParameterMap().get(key)))[0].toString();
				keyandValue=key+"="+value;
				System.out.println(key+"= "+value);
			}
		    if(keyandValue!=null){
		    	//dom4j来解析xml字符串
		    	Document document=DocumentHelper.parseText(keyandValue.toString());
				Element root=document.getRootElement();
				List mo=root.elements("MO");
				for(int i=0;i<mo.size();i++){
					Element longcode=((Element)mo.get(i)).element("LongCode");
					Element message=((Element)mo.get(i)).element("Message");
					longcodeArray.add(longcode.getText());
					messageArray.add(message.getText());
				}
		    	
		    	
		    }