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1.  Easyui學(xué)習(xí)班.jpg    

成都創(chuàng)新互聯(lián)是一家集網(wǎng)站建設(shè),平順企業(yè)網(wǎng)站建設(shè),平順品牌網(wǎng)站建設(shè),網(wǎng)站定制,平順網(wǎng)站建設(shè)報(bào)價(jià),網(wǎng)絡(luò)營(yíng)銷,網(wǎng)絡(luò)優(yōu)化,平順網(wǎng)站推廣為一體的創(chuàng)新建站企業(yè)，幫助傳統(tǒng)企業(yè)提升企業(yè)形象加強(qiáng)企業(yè)競(jìng)爭(zhēng)力?？沙浞譂M足這一群體相比中小企業(yè)更為豐富、高端、多元的互聯(lián)網(wǎng)需求。同時(shí)我們時(shí)刻保持專業(yè)、時(shí)尚、前沿，時(shí)刻以成就客戶成長(zhǎng)自我，堅(jiān)持不斷學(xué)習(xí)、思考、沉淀、凈化自己，讓我們?yōu)楦嗟钠髽I(yè)打造出實(shí)用型網(wǎng)站。

2. [文件] web.xml ~ 755B

 
 
 
 

  
  
  
  
 
  
  
  
  

  
  
  
  
    xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" 
  
  
  
  
    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" 
  
  
  
  
    id="WebApp_ID" version="3.0"> 
  
  
  
  
    微信公共平臺(tái)開發(fā)者接口 
  
  
  
  
     
  
  
  
  
        WeChatFilter 
  
  
  
  
        com.gson.WeChatFilter 
  
  
  
  
     
  
  
  
  
     
  
  
  
  
        WeChatFilter 
  
  
  
  
        /wechat/* 
  
  
  
  
     
  
  
  
  
 
  
  
  
  
     
  
  
  
  
        index.jsp 
  
  
  
  
     
  
  
  
  
 
 
 
 
 

#p#

3. [文件] WeChatFilter.java

 
 
 
 

  
  
  
  
package com.gson; 
  
  
  
  
 
  
  
  
  
import java.io.File; 
  
  
  
  
import java.io.FileInputStream; 
  
  
  
  
import java.io.FileNotFoundException; 
  
  
  
  
import java.io.IOException; 
  
  
  
  
import java.util.Date; 
  
  
  
  
import java.util.Properties; 
  
  
  
  
 
  
  
  
  
import javax.servlet.Filter; 
  
  
  
  
import javax.servlet.FilterChain; 
  
  
  
  
import javax.servlet.FilterConfig; 
  
  
  
  
import javax.servlet.ServletException; 
  
  
  
  
import javax.servlet.ServletInputStream; 
  
  
  
  
import javax.servlet.ServletRequest; 
  
  
  
  
import javax.servlet.ServletResponse; 
  
  
  
  
import javax.servlet.http.HttpServletRequest; 
  
  
  
  
import javax.servlet.http.HttpServletResponse; 
  
  
  
  
 
  
  
  
  
import org.apache.log4j.Logger; 
  
  
  
  
 
  
  
  
  
import com.gson.bean.Articles; 
  
  
  
  
import com.gson.bean.InMessage; 
  
  
  
  
import com.gson.bean.OutMessage; 
  
  
  
  
import com.gson.inf.MessageProcessingHandler; 
  
  
  
  
import com.gson.util.Tools; 
  
  
  
  
import com.gson.util.XStreamFactory; 
  
  
  
  
import com.thoughtworks.xstream.XStream; 
  
  
  
  
 
  
  
  
  
/** 
  
  
  
  
 * 請(qǐng)求攔截 
  
  
  
  
 * @author GodSon 
  
  
  
  
 * 
  
  
  
  
 */ 
  
  
  
  
public class WeChatFilter implements Filter { 
  
  
  
  
     
  
  
  
  
    private final Logger logger = Logger.getLogger(WeChatFilter.class); 
  
  
  
  
    private String _token; 
  
  
  
  
    private String conf = "classPath:wechat.properties"; 
  
  
  
  
    private String defaultHandler = "com.gson.inf.DefaultMessageProcessingHandlerImpl"; 
  
  
  
  
    private Properties p; 
  
  
  
  
 
  
  
  
  
    @Override 
  
  
  
  
    public void destroy() { 
  
  
  
  
        logger.info("WeChatFilter已經(jīng)銷毀"); 
  
  
  
  
    } 
  
  
  
  
 
  
  
  
  
    @Override 
  
  
  
  
    public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) throws IOException, ServletException { 
  
  
  
  
        HttpServletRequest request = (HttpServletRequest) req; 
  
  
  
  
        HttpServletResponse response = (HttpServletResponse) res; 
  
  
  
  
        Boolean isGet = request.getMethod().equals("GET"); 
  
  
  
  
         
  
  
  
  
        String path = request.getServletPath(); 
  
  
  
  
        String pathInfo = path.substring(path.lastIndexOf("/")); 
  
  
  
  
         
  
  
  
  
        if (pathInfo == null) { 
  
  
  
  
            response.getWriter().write("error"); 
  
  
  
  
        } else { 
  
  
  
  
            _token = pathInfo.substring(1); 
  
  
  
  
            if (isGet) { 
  
  
  
  
                doGet(request, response); 
  
  
  
  
            } else { 
  
  
  
  
                doPost(request, response); 
  
  
  
  
            } 
  
  
  
  
        } 
  
  
  
  
    } 
  
  
  
  
 
  
  
  
  
    private void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException { 
  
  
  
  
        response.setCharacterEncoding("UTF-8"); 
  
  
  
  
        response.setContentType("text/xml"); 
  
  
  
  
         
  
  
  
  
        OutMessage oms = new OutMessage(); 
  
  
  
  
        ServletInputStream in = request.getInputStream(); 
  
  
  
  
        //轉(zhuǎn)換微信post過來的xml內(nèi)容 
  
  
  
  
        XStream xs = XStreamFactory.init(false); 
  
  
  
  
        xs.alias("xml", InMessage.class); 
  
  
  
  
        String xmlMsg = Tools.inputStream2String(in); 
  
  
  
  
        InMessage msg = (InMessage) xs.fromXML(xmlMsg); 
  
  
  
  
        //獲取自定消息處理器，如果自定義處理器則使用默認(rèn)處理器。 
  
  
  
  
        String handler = p.getProperty("MessageProcessingHandlerImpl"); 
  
  
  
  
        if(handler== null) 
  
  
  
  
            handler = defaultHandler; 
  
  
  
  
         
  
  
  
  
        try { 
  
  
  
  
            //加載處理器 
  
  
  
  
            Class clazz = Class.forName(handler); 
  
  
  
  
            MessageProcessingHandler processingHandler = (MessageProcessingHandler) clazz.newInstance(); 
  
  
  
  
            //取得消息類型 
  
  
  
  
            String type = msg.getMsgType(); 
  
  
  
  
            //針對(duì)不同類型消息進(jìn)行處理 
  
  
  
  
            if (type.equals(MessageProcessingHandler.MSG_TYPE_TEXT)) { 
  
  
  
  
                oms = processingHandler.textTypeMsg(msg); 
  
  
  
  
            } else if (type.equals(MessageProcessingHandler.MSG_TYPE_LOCATION)) { 
  
  
  
  
                oms = processingHandler.locationTypeMsg(msg); 
  
  
  
  
            } else if (type.equals(MessageProcessingHandler.MSG_TYPE_LINK)) { 
  
  
  
  
                oms = processingHandler.linkTypeMsg(msg); 
  
  
  
  
            } else if (type.equals(MessageProcessingHandler.MSG_TYPE_IMAGE)) { 
  
  
  
  
                oms = processingHandler.imageTypeMsg(msg); 
  
  
  
  
            } else if (type.equals(MessageProcessingHandler.MSG_TYPE_EVENT)) { 
  
  
  
  
                oms = processingHandler.eventTypeMsg(msg); 
  
  
  
  
            } 
  
  
  
  
            if(oms == null){ 
  
  
  
  
                oms = new OutMessage(); 
  
  
  
  
                oms.setContent("系統(tǒng)錯(cuò)誤!"); 
  
  
  
  
            } 
  
  
  
  
            //設(shè)置發(fā)送信息 
  
  
  
  
            oms.setCreateTime(new Date().getTime()); 
  
  
  
  
            oms.setToUserName(msg.getFromUserName()); 
  
  
  
  
            oms.setFromUserName(msg.getToUserName()); 
  
  
  
  
        } catch (ClassNotFoundException e) { 
  
  
  
  
            logger.error("沒有找到" + handler + "類", e); 
  
  
  
  
            oms.setContent("系統(tǒng)錯(cuò)誤！"); 
  
  
  
  
        } catch (InstantiationException e) { 
  
  
  
  
            logger.error(e); 
  
  
  
  
            oms.setContent("系統(tǒng)錯(cuò)誤！"); 
  
  
  
  
        } catch (IllegalAccessException e) { 
  
  
  
  
            logger.error(e); 
  
  
  
  
            oms.setContent("系統(tǒng)錯(cuò)誤！"); 
  
  
  
  
        } 
  
  
  
  
         
  
  
  
  
        //把發(fā)送發(fā)送對(duì)象轉(zhuǎn)換為xml輸出 
  
  
  
  
        xs = XStreamFactory.init(false); 
  
  
  
  
        xs.alias("xml", OutMessage.class); 
  
  
  
  
        xs.alias("item", Articles.class); 
  
  
  
  
        xs.toXML(oms, response.getWriter()); 
  
  
  
  
    } 
  
  
  
  
 
  
  
  
  
    private void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException { 
  
  
  
  
        String signature = request.getParameter("signature");// 微信加密簽名 
  
  
  
  
        String timestamp = request.getParameter("timestamp");// 時(shí)間戳 
  
  
  
  
        String nonce = request.getParameter("nonce");// 隨機(jī)數(shù) 
  
  
  
  
        String echostr = request.getParameter("echostr");// 
  
  
  
  
        //驗(yàn)證 
  
  
  
  
        if (Tools.checkSignature(_token, signature, timestamp, nonce)) { 
  
  
  
  
            response.getWriter().write(echostr); 
  
  
  
  
        } 
  
  
  
  
    } 
  
  
  
  
 
  
  
  
  
    /** 
  
  
  
  
     * 啟動(dòng)的時(shí)候加載wechat.properties配置 
  
  
  
  
     * 可以在過濾器配置wechat.properties路徑 
  
  
  
  
     */ 
  
  
  
  
    @Override 
  
  
  
  
    public void init(FilterConfig config) throws ServletException { 
  
  
  
  
        String cf = config.getInitParameter("conf"); 
  
  
  
  
        if (cf != null) { 
  
  
  
  
            conf = cf; 
  
  
  
  
        } 
  
  
  
  
        String classPath = this.getClass().getResource("/").getPath().replaceAll("%20", " "); 
  
  
  
  
        conf = conf.replace("classPath:", classPath); 
  
  
  
  
        p = new Properties(); 
  
  
  
  
        File pfile = new File(conf); 
  
  
  
  
        if (pfile.exists()) { 
  
  
  
  
            try { 
  
  
  
  
                p.load(new FileInputStream(pfile)); 
  
  
  
  
            } catch (FileNotFoundException e) { 
  
  
  
  
                logger.error("未找到wechat.properties", e); 
  
  
  
  
            } catch (IOException e) { 
  
  
  
  
                logger.error("wechat.properties讀取異常", e); 
  
  
  
  
            } 
  
  
  
  
        } 
  
  
  
  
        logger.info("WeChatFilter已經(jīng)啟動(dòng)！"); 
  
  
  
  
    } 
  
  
  
  
 
  
  
  
  
} 
 
 
 
 

網(wǎng)站標(biāo)題：Java:實(shí)現(xiàn)微信公眾平臺(tái)
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