微信公众号平台api之验证、接收文本消息和自动回复文本消息
<%@ page contentType="text/html;charset=UTF-8"%><%@ page import="java.util.*"%><%@ page import="java.security.*"%><%@ page import="java.io.*"%><%@ page import="org.w3c.dom.*"%><%@ page import="javax.xml.parsers.*"%><%Enumeration parameterNames = request.getParameterNames();String parameterName = null;String parameterValue = null; while (parameterNames.hasMoreElements()) { parameterName = (String) parameterNames.nextElement(); parameterValue = request.getParameter(parameterName); System.out.println("weixin_test-param:"+parameterName+"="+parameterValue); } String TOKEN = "这里填写您设置的TOKEN值";String echostr = request.getParameter("echostr");String signature = request.getParameter("signature");String timestamp = request.getParameter("timestamp");String nonce = request.getParameter("nonce");System.out.println("weixin_test:echostr="+echostr+",signature="+signature+",timestamp="+timestamp+",nonce="+nonce);List values = new ArrayList();values.add(TOKEN);values.add(timestamp);values.add(nonce);Collections.sort(values);StringBuffer content = new StringBuffer();for (int i = 0; i < values.size(); i++) {content.append(values.get(i));}MessageDigest md = MessageDigest.getInstance("SHA-1");byte[] b = md.digest(content.toString().getBytes("UTF-8"));String stmp = "";StringBuffer signInfo = new StringBuffer();for (int n = 0; n < b.length; n++) {stmp = Integer.toHexString(b[n] & 0XFF);if (stmp.length() == 1){signInfo.append("0");signInfo.append(stmp);}else{signInfo.append(stmp);}}System.out.println("weixin_test:signInfo="+signInfo+",signature="+signature);if(signInfo.toString().equals(signature)){out.clear();out.print(echostr);System.out.println("weixin_test(001):ok");//receive user's message from weixin platformBufferedReader br = new BufferedReader(new InputStreamReader((ServletInputStream)request.getInputStream()));String line = null; StringBuffer sb = new StringBuffer(); while((line = br.readLine())!=null){ sb.append(line); }System.out.println("weixin_message:"+sb.toString());//recieved message :textif(sb.length()>0){Element root=DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(new ByteArrayInputStream(sb.toString().getBytes("UTF-8"))).getDocumentElement(); NodeList nodes = root.getChildNodes(); int count = nodes.getLength(); String textContent = null; String FromUserName = null; String ToUserName = null; boolean isText = false; for(int i=0;i<count;i++){ String nodeName = nodes.item(i).getNodeName(); String nodeValue = nodes.item(i).getFirstChild().getNodeValue(); if("MsgType".equals(nodeName) && "text".equals(nodeValue)){ isText = true; } if("Content".equals(nodeName)){ textContent = nodeValue; } if("FromUserName".equals(nodeName)){ FromUserName = nodeValue; } if("ToUserName".equals(nodeName)){ ToUserName = nodeValue; } } System.out.println("weixin_message:textContent="+textContent); //reply text message if(isText){ StringBuffer replyInfo = new StringBuffer(); Date d = new Date(); long CreateTime = d.getTime()/1000; replyInfo.append("<xml>"); replyInfo.append("<ToUserName>"); replyInfo.append("<![CDATA[").append(FromUserName).append("]]>"); replyInfo.append("</ToUserName>"); replyInfo.append("<FromUserName>"); replyInfo.append("<![CDATA[").append(ToUserName).append("]]>"); replyInfo.append("</FromUserName>"); replyInfo.append("<CreateTime>"); replyInfo.append(CreateTime); replyInfo.append("</CreateTime>"); replyInfo.append("<MsgType>"); replyInfo.append("<![CDATA[text]]>"); replyInfo.append("</MsgType>"); replyInfo.append("<Content>"); replyInfo.append("<![CDATA[hello,你好！]]>"); replyInfo.append("</Content>"); replyInfo.append("</xml>"); out.clear(); out.print(replyInfo.toString()); } }return;}else{System.out.println("weixin_test:err");}%>
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