onlineShop

【核心代码】package com.gson;import java.io.File;import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.IOException;import java.lang.reflect.Field;import java.lang.reflect.Method;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.bean.TextOutMessage;import com.gson.inf.MessageProcessingHandler;import com.gson.util.Tools;import com.gson.util.XStreamFactory;import com.thoughtworks.xstream.XStream;/** * 请求拦截 * * @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已经销毁"); } @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(); // 转换微信post过来的xml内容 XStream xs = XStreamFactory.init(false); xs.alias("xml", InMessage.class); String xmlMsg = Tools.inputStream2String(in); logger.debug("输入消息:[" xmlMsg "]"); InMessage msg = (InMessage) xs.fromXML(xmlMsg); // 获取自定消息处理器，如果自定义处理器则使用默认处理器。 String handler = p.getProperty("MessageProcessingHandlerImpl"); if (handler == null) handler = defaultHandler; try { // 加载处理器 Class clazz = Class.forName(handler); MessageProcessingHandler processingHandler = (MessageProcessingHandler) clazz.newInstance(); // 取得消息类型 String type = msg.getMsgType(); Method mt = clazz.getMethod(type "TypeMsg", InMessage.class); oms = (OutMessage) mt.invoke(processingHandler, msg); if (oms == null) { oms = new TextOutMessage(); ((TextOutMessage) oms).setContent("系统错误!"); } setMsgInfo(oms,msg); } catch (Exception e) { logger.error(e); oms = new TextOutMessage(); ((TextOutMessage) oms).setContent("系统错误!"); try { setMsgInfo(oms,msg); } catch (Exception e1) { logger.error(e); } } // 把发送发送对象转换为xml输出 xs = XStreamFactory.init(true); xs.alias("xml", oms.getClass()); xs.alias("item", Articles.class); String xml = xs.toXML(oms); logger.debug("输出消息:[" xml "]"); response.getWriter().write(xml); } private void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException { String signature = request.getParameter("signature");// 微信加密签名 String timestamp = request.getParameter("timestamp");// 时间戳 String nonce = request.getParameter("nonce");// 随机数 String echostr = request.getParameter("echostr");// // 验证 if (Tools.checkSignature(_token, signature, timestamp, nonce)) { response.getWriter().write(echostr); } } private void setMsgInfo(OutMessage oms,InMessage msg) throws Exception { // 设置发送信息 Class outMsg = oms.getClass().getSuperclass(); Field CreateTime = outMsg.getDeclaredField("CreateTime"); Field ToUserName = outMsg.getDeclaredField("ToUserName"); Field FromUserName = outMsg.getDeclaredField("FromUserName"); ToUserName.setAccessible(true); CreateTime.setAccessible(true); FromUserName.setAccessible(true); CreateTime.set(oms, new Date().getTime()); ToUserName.set(oms, msg.getFromUserName()); FromUserName.set(oms, msg.getToUserName()); } /** * 启动的时候加载wechat.properties配置 可以在过滤器配置wechat.properties路径 */ @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读取异常", e); } } logger.info("WeChatFilter已经启动！"); }}

TCP 是 TCP/IP 协议组中的协议之一，是英文 请点击左侧文件开始预览 ！预览只提供20%的代码片段，完整代码需下载后查看 加载中 侵权举报

资源描述Zen Cart开源网店系统是真正的电子商务艺术，一个免费、界面友好，开放源码的网店系统。禅宗车用于建立专业的网上商店。禅宗车支持多语言、多货币、搜索引擎优化、批量更新，是最安全的网店系统之一。

java中的神经网络实现神经网络提供了执行某些操作的有效方法，否则这些操作将非常困难。考虑一个没有神经网络的字符识别程序是如何工作的。你可能会发现自己在写复杂的程序，跟踪轮廓，分析角度，并进行其他图形分析。在识别复杂模式的任何时候都应该考虑神经网络。这些模式本质上不需要是图形化的。任何形式的数据，可以有模式是一个神经网络解决方案的候选人。

用Android开发的微博，用来转播、点评和发微博(Microblogging with Android development for broadcast, reviews and hair microblogging)

学生管理系统源码采用eclipse开发,可作做为毕业设计。(The source code of student management system is developed by eclipse, which can be used as graduation project.)

gps 接收程序框架。。含有tcp。udp的封装 AbstractGPRSReceiver.java GprsStreamParserAdapter.java IGprsReceiver.java IGprsStreamParser.java PerceptionMessageCreator.java ReceiverController.java TcpConnection.java TCPGPRSReceiver.java UDPGPRSReceiver.java

package com.codeshogun.android.swipesample;import android.app.Activity;import android.os.Bundle;import android.view.GestureDetector;import android.view.MotionEvent;import android.view.View;import android.view.GestureDetector.SimpleOnGestureListener;import android.view.animation.Animation;import android.view.animation.AnimationUtils;import android.widget.ViewFlipper;public class Main extends Activity { private static final int SWIPE_MIN_DISTANCE = 120; private static final int SWIPE_MAX_OFF_PATH = 250; private static final int SWIPE_THRESHOLD_VELOCITY = 200; private GestureDetector gestureDetector; View.OnTouchListener gestureListener; private Animation slideLeftIn; private Animation slideLeftOut; private Animation slideRightIn; private Animation slideRightOut; private ViewFlipper viewFlipper; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); viewFlipper = (ViewFlipper)findViewById(R.id.flipper); slideLeftIn = AnimationUtils.loadAnimation(this, R.anim.slide_left_in); slideLeftOut = AnimationUtils.loadAnimation(this, R.anim.slide_left_out); slideRightIn = AnimationUtils.loadAnimation(this, R.anim.slide_right_in); slideRightOut = AnimationUtils.loadAnimation(this, R.anim.slide_right_out); gestureDetector = new GestureDetector(new MyGestureDetector()); gestureListener = new View.OnTouchListener() { public boolean onTouch(View v, MotionEvent event) { if (gestureDetector.onTouchEvent(event)) { return true; } return false; } }; } class MyGestureDetector extends SimpleOnGestureListener { @Override public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { try { if (Math.abs(e1.getY() - e2.getY()) > SWIPE_MAX_OFF_PATH) return false; // right to left swipe if(e1.getX() - e2.getX() > SWIPE_MIN_DISTANCE && Math.abs(velocityX) > SWIPE_THRESHOLD_VELOCITY) { viewFlipper.setInAnimation(slideLeftIn); viewFlipper.setOutAnimation(slideLeftOut); viewFlipper.showNext(); } else if (e2.getX() - e1.getX() > SWIPE_MIN_DISTANCE && Math.abs(velocityX) > SWIPE_THRESHOLD_VELOCITY) { viewFlipper.setInAnimation(slideRightIn); viewFlipper.setOutAnimation(slideRightOut); viewFlipper.showPrevious(); } } catch (Exception e) { // nothing } return false; } } @Override public boolean onTouchEvent(MotionEvent event) { if (gestureDetector.onTouchEvent(event)) return true; else return false; }}

listview 下拉刷新 android示例源码下载

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