微信公众帐号开发模式纯JSP代码

<%@ page import="java.net." %> <%@ page import="java.math." %> <%@ page import="java.io." %> <%@ page import="java.text."%> <%@page import="java.util.Date"%> <%@page import="org.dom4j.Element"%> <%@page import="org.dom4j.DocumentHelper"%> <%@page import="org.dom4j.Document"%> <%@page import="java.io.IOException"%> <%@page import="java.io.InputStreamReader"%> <%@page import="java.io.BufferedReader"%> <%@page import="java.io.Reader"%> <%@page import="java.security.MessageDigest"%> <%@page import="java.util.Arrays"%> <%@page import="java.util.ArrayList"%> <%@page import="java.util.Collections"%> <%@page import="java.util.List"%> <%@page import="java.util.regex.Matcher"%> <%@page import="java.util.regex.Pattern"%>

<%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%> <% //WeiXinHandler为内部类不能使用非final类型的对象

final String TOKEN="daniuco";//此处填写本身的TOKEN参数，见开发模式 final HttpServletRequest final_request=request;
final HttpServletResponse final_response=response; %>

<% class WeiXinHandler{ public void valid(){ String echostr=final_request.getParameter("echostr"); if(null==echostr||echostr.isEmpty()) { responseMsg(); }else{ if(this.checkSignature()) { this.print(echostr); }else{ this.print("error");
} } }

//自动回复内容 public void responseMsg()

{ String postStr=null; try{ postStr=this.readStreamParameter(final_request.getInputStream()); //System.out.print(postStr);

}catch(Exception e)
{ e.printStackTrace(); } 
    //System.out.println(postStr);

if (null!=postStr&&!postStr.isEmpty()) { Document document=null; try{ document = DocumentHelper.parseText(postStr); }catch(Exception e){ e.printStackTrace(); }

if(null==document) { this.print(""); return; }

Element root=document.getRootElement(); String fromUsername = root.elementText("FromUserName"); String toUsername = root.elementText("ToUserName"); String keyword = root.elementTextTrim("Content"); long longTime = new Date().getTime(); String time = longTime/1000 +""; String msgType = root.elementText("MsgType"); String event = root.elementText("Event");

String textTpl = "<xml>"+ "<ToUserName><![CDATA[%1$s]]></ToUserName>"+ "<FromUserName><![CDATA[%2$s]]></FromUserName>"+ "<CreateTime>%3$s</CreateTime>"+ "<MsgType><![CDATA[%4$s]]></MsgType>"+ "<Content><![CDATA[%5$s]]></Content>"+ "<FuncFlag>0</FuncFlag>"+ "</xml>";

String htmlTpl = "<xml>"+ "<ToUserName><![CDATA[%1$s]]></ToUserName>"+ "<FromUserName><![CDATA[%2$s]]></FromUserName>"+ "<CreateTime>%3$s</CreateTime>"+ "<MsgType><![CDATA[%4$s]]></MsgType>" + "[%5$s]" + "</Articles></xml>";

//公用帮助文档 String helpHtml = "\n任什么时候候，回复"help"或者"帮助"或者"?"三者之一获取最新使用手册。\n\n分类信息（[c:新闻]，[c:公告]，[c:研报]等）\n历史信息（[2013-10-05]：某天信息，[d:9]：过去9天以内的信息，[d:-9]：过去9天以前的信息，默认查询范围10天以内）";

if(null!=msgType && !msgType.equals("")) { /** *事件类型 */ if(msgType.equals("event") && event.equals("subscribe")) { //订阅 String subscribeHtml = ""; msgType = "news";

//String helpHtml  =  "\n任什么时候候，回复\"help\"或者\"帮助\"两者之一获取最新使用手册。\n分类信息（c:新闻，c:公告，c:研报）\n历史信息（[2013-10-05]：某天信息，[d:9]：过去9天以内的信息，[d:-9]：过去9天以前的信息，默认查询范围10天以内）";
  String helpPicUrl = "http://www.daniu.co/images/weixin/finance_travel_640_320.jpg";
  String helpContentUrl = "";

  String helpResults = "<item><Title><![CDATA[欢迎开启财富新旅程]]></Title><Description><![CDATA[" + helpHtml + "]]></Description><PicUrl><![CDATA[" + helpPicUrl +"]]></PicUrl><Url><![CDATA[" + helpContentUrl + "]]></Url></item>";
  helpResults = "<ArticleCount>1</ArticleCount><Articles>"+ helpResults;

  subscribeHtml = helpResults;

  //System.out.println(subscribeHtml);

  String resultStr = htmlTpl.format(htmlTpl, fromUsername, toUsername, time, msgType, subscribeHtml);


  this.print(resultStr);

}

if(msgType.equals("event") && event.equals("unsubscribe")) { //退订 String subscribeHtml = ""; msgType = "news";

helpHtml  =  "\n感谢关注daniuco\n\n你订或不订，我都在这里，勤勤恳恳... ...";
  String helpPicUrl = "http://www.daniu.co/images/weixin/finance_640_320.png";
  String helpContentUrl = "";

  String helpResults = "<item><Title><![CDATA[感谢关注金融互联网]]></Title><Description><![CDATA[" + helpHtml + "]]></Description><PicUrl><![CDATA[" + helpPicUrl +"]]></PicUrl><Url><![CDATA[" + helpContentUrl + "]]></Url></item>";
  helpResults = "<ArticleCount>1</ArticleCount><Articles>"+ helpResults;

  subscribeHtml = helpResults;

  //System.out.println(subscribeHtml);

  String resultStr = htmlTpl.format(htmlTpl, fromUsername, toUsername, time, msgType, subscribeHtml);


  this.print(resultStr);

}

}

if(null!=keyword&&!keyword.equals("")) {

/** * *回复文本信息

String msgType = "text";

String contentStr = "系统在开发过程当中，敬请期待!"; if(keyword.equals("help") || keyword.equals("帮助")) {//使用手册 contentStr = contentStr + "\n使用手册正在设计中，您能够在之后使用过程当中，回复"help"或者"帮助"两者之一获取最新使用手册。"; } //Autonomy Search contentStr = contentStr + "\n===自动推送测试内容===\n"+ AutonomySearch(keyword);

String resultStr = textTpl.format(textTpl, fromUsername, toUsername, time, msgType, contentStr);

/** *回复文本信息结束 */

/** *回复图文信息，最多6条(微信支持10条) */

msgType = "news"; String contentHtml = "";//用户请求关键字

if(keyword.equals("help") || keyword.equals("帮助") || keyword.equals("?") || keyword.equals("？")) {//使用手册 //String helpHtml = "\n任什么时候候，回复"help"或者"帮助"两者之一获取最新使用手册。\n分类信息（c:新闻，c:公告，c:研报）\n历史信息（[2013-10-05]：某天信息，[d:9]：过去9天以内的信息，[d:-9]：过去9天以前的信息，默认查询范围10天以内）";

String helpPicUrl = "http://www.daniu.co/images/weixin/help_640_320.png";
  String helpContentUrl = "";

  String helpResults = "<item><Title><![CDATA[由大牛网提供的财富新体验]]></Title><Description><![CDATA[" + helpHtml + "]]></Description><PicUrl><![CDATA[" + helpPicUrl +"]]></PicUrl><Url><![CDATA["+ helpContentUrl +"]]></Url></item>";
  helpResults = "<ArticleCount>1</ArticleCount><Articles>"+ helpResults;

  String resultStr = htmlTpl.format(htmlTpl, fromUsername, toUsername, time, msgType, helpResults);
  this.print(resultStr);

}else {//智能回复

String reqTpl = "<xml><ToUserName><![CDATA[%1$s]]></ToUserName><FromUserName><![CDATA[%2$s]]></FromUserName><CreateTime>%3$s</CreateTime><MsgType><![CDATA[text]]></MsgType><Content><![CDATA[" + keyword + "]]></Content><MsgId>5937584354468300645</MsgId><OpenId>daniuco</OpenId></xml>";
  String reqStr = reqTpl.format(reqTpl,toUsername, fromUsername, time);//将原始请求信息发送到智能引擎，注意toUsername,fromUsername位置

  contentHtml = getRemoteXML(reqStr);
 // System.out.print(contentHtml);
  //返回信息到微信服务器
  this.print(contentHtml);

}

//返回信息到微信服务器 //this.print(resultStr); }else{ this.print("Input something..."); } }else { this.print(""); } }

//微信接口验证 public boolean checkSignature(){ String signature = final_request.getParameter("signature"); String timestamp = final_request.getParameter("timestamp"); String nonce = final_request.getParameter("nonce"); String token=TOKEN; String[] tmpArr={token,timestamp,nonce}; Arrays.sort(tmpArr); String tmpStr=this.ArrayToString(tmpArr); tmpStr=this.SHA1Encode(tmpStr); if(tmpStr.equalsIgnoreCase(signature)){ return true; }else{ return false; } }

//向请求端发送返回数据 public void print(String content){ try{ final_response.getWriter().print(content); final_response.getWriter().flush(); final_response.getWriter().close(); }catch(Exception e){ } } //数组转字符串 public String ArrayToString(String [] arr){ StringBuffer bf = new StringBuffer(); for(int i = 0; i < arr.length; i++){ bf.append(arr[i]); } return bf.toString(); }

//sha1加密 public String SHA1Encode(String sourceString) { String resultString = null; try { resultString = new String(sourceString); MessageDigest md = MessageDigest.getInstance("SHA-1"); resultString = byte2hexString(md.digest(resultString.getBytes())); } catch (Exception ex) { } return resultString; } public final String byte2hexString(byte[] bytes) { StringBuffer buf = new StringBuffer(bytes.length * 2); for (int i = 0; i < bytes.length; i++) { if (((int) bytes[i] & 0xff) < 0x10) { buf.append("0"); } buf.append(Long.toString((int) bytes[i] & 0xff, 16)); } return buf.toString().toUpperCase(); } //从输入流读取post参数

public String readStreamParameter(ServletInputStream in){ StringBuilder buffer = new StringBuilder(); BufferedReader reader=null; try{ reader = new BufferedReader(new InputStreamReader(in)); String line=null; while((line = reader.readLine())!=null){ buffer.append(line); } }catch(Exception e){ e.printStackTrace(); }finally{ if(null!=reader){ try { reader.close(); } catch (IOException e) { e.printStackTrace(); } } } return buffer.toString(); }

}%>

<%! public String getRemoteXML(String reqStr) { HttpURLConnection url_con = null; String responseContent = null;

String daniucoUrl = "http://www.daniu.co/openapi";
 try
    {

        URL url = new URL(daniucoUrl);
        url_con = (HttpURLConnection) url.openConnection();
        url_con.setRequestMethod("POST");
        url_con.setDoOutput(true);
        byte[] b = reqStr.getBytes();
        url_con.getOutputStream().write(b, 0, b.length);
        url_con.getOutputStream().flush();
        url_con.getOutputStream().close();

        InputStream in = url_con.getInputStream();
        BufferedReader rd = new BufferedReader(new InputStreamReader(in,
                "utf-8"));
        String tempLine = rd.readLine();
        StringBuffer tempStr = new StringBuffer();
        String crlf=System.getProperty("line.separator");
        while (tempLine != null)
        {
            tempStr.append(tempLine);
            tempStr.append(crlf);
            tempLine = rd.readLine();
        }
        responseContent = tempStr.toString();
        rd.close();
        in.close();
    }
    catch (IOException e)
    {
        //System.out.print("网络故障", e);
    }
    finally
    {
        if (url_con != null)
        {
            url_con.disconnect();
        }
    }
    //System.out.println(responseContent);
    return responseContent;

}

%>

<% WeiXinHandler t=new WeiXinHandler(); t.valid(); %>