测试微信号连接的开发的步骤
1申请微信号
2下载ngrok 运行命令“ngrok http 8080”
3打开MYECLIPSE,建工程,并启动TOMCAT,保证项目可访问。
4用ngrok的地址,替换LOCALHOST
5编写一个servlet
CoreServlet类运行后执行校验
package org.liufeng.course.servlet;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.liufeng.course.service.CoreService;
import org.liufeng.course.util.SignUtil;
/**
* 请求处理的核心类
*
* @author liufeng
* @date 2013-09-01
*/
public class CoreServlet extends HttpServlet {
private static final long serialVersionUID = 4440739483644821986L;
/**
* 请求校验(确认请求来自微信服务器)
*/
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// 微信加密签名
String signature = request.getParameter("signature");
// 时间戳
String timestamp = request.getParameter("timestamp");
// 随机数
String nonce = request.getParameter("nonce");
// 随机字符串
String echostr = request.getParameter("echostr");
PrintWriter out = response.getWriter();
// 请求校验,若校验成功则原样返回echostr,表示接入成功,否则接入失败
if (SignUtil.checkSignature(signature, timestamp, nonce)) {
out.print(echostr);
}
out.close();
out = null;
}
/**
* 处理微信服务器发来的消息
*/
public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// 将请求、响应的编码均设置为UTF-8(防止中文乱码)
request.setCharacterEncoding("UTF-8");
response.setCharacterEncoding("UTF-8");
// 接收参数微信加密签名、 时间戳、随机数
String signature = request.getParameter("signature");
String timestamp = request.getParameter("timestamp");
String nonce = request.getParameter("nonce");
PrintWriter out = response.getWriter();
// 请求校验
if (SignUtil.checkSignature(signature, timestamp, nonce)) {
// 调用核心服务类接收处理请求
String respXml = CoreService.processRequest(request);
out.print(respXml);
}
out.close();
out = null;
}
}
--------------------
CoreService 业务类
package org.liufeng.course.service;
import java.util.Date;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import org.liufeng.course.message.resp.TextMessage;
import org.liufeng.course.util.MessageUtil;
/**
* 核心服务类
*
* @author liufeng
* @date 2013-12-02
*/
public class CoreService {
/**
* 处理微信发来的请求
*
* @param request
* @return xml
*/
public static String processRequest(HttpServletRequest request) {
// xml格式的消息数据
String respXml = null;
// 默认返回的文本消息内容
String respContent = "发送任意文本,我们开始聊天吧!";
try {
// 调用parseXml方法解析请求消息
Map<String, String> requestMap = MessageUtil.parseXml(request);
// 发送方帐号
String fromUserName = requestMap.get("FromUserName");
// 开发者微信号
String toUserName = requestMap.get("ToUserName");
// 消息类型
String msgType = requestMap.get("MsgType");
// 消息创建时间
String createTime = requestMap.get("CreateTime");
// 文本消息
if (msgType.equals(MessageUtil.REQ_MESSAGE_TYPE_TEXT)) {
String content = requestMap.get("Content");
respContent = ChatService.chat(fromUserName, createTime, content);
}
// 回复文本消息
TextMessage textMessage = new TextMessage();
textMessage.setToUserName(fromUserName);
textMessage.setFromUserName(toUserName);
textMessage.setCreateTime(new Date().getTime());
textMessage.setMsgType(MessageUtil.RESP_MESSAGE_TYPE_TEXT);
textMessage.setContent(respContent);
// 将文本消息对象转换成xml
respXml = MessageUtil.messageToXml(textMessage);
} catch (Exception e) {
e.printStackTrace();
}
return respXml;
}
}
----------------------
SignUtil 类TOKEN设置
package org.liufeng.course.util;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.Arrays;
/**
* 请求校验工具类
*
* @author liufeng
* @date 2013-09-01
*/
public class SignUtil {
// 与开发模式接口配置信息中的Token保持一致
private static String token = "weixinCourse";
/**
* 校验签名
*
* @param signature 微信加密签名
* @param timestamp 时间戳
* @param nonce 随机数
* @return
*/
public static boolean checkSignature(String signature, String timestamp, String nonce) {
// 对token、timestamp和nonce按字典排序
String[] paramArr = new String[] { token, timestamp, nonce };
Arrays.sort(paramArr);
// 将排序后的结果拼接成一个字符串
String content = paramArr[0].concat(paramArr[1]).concat(paramArr[2]);
String ciphertext = null;
try {
MessageDigest md = MessageDigest.getInstance("SHA-1");
// 对接后的字符串进行sha1加密
byte[] digest = md.digest(content.toString().getBytes());
ciphertext = byteToStr(digest);
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
}
// 将sha1加密后的字符串与signature进行对比
return ciphertext != null ? ciphertext.equals(signature.toUpperCase()) : false;
}
/**
* 将字节数组转换为十六进制字符串
*
* @param byteArray
* @return
*/
private static String byteToStr(byte[] byteArray) {
String strDigest = "";
for (int i = 0; i < byteArray.length; i++) {
strDigest += byteToHexStr(byteArray[i]);
}
return strDigest;
}
/**
* 将字节转换为十六进制字符串
*
* @param mByte
* @return
*/
private static String byteToHexStr(byte mByte) {
char[] Digit = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
char[] tempArr = new char[2];
tempArr[0] = Digit[(mByte >>> 4) & 0X0F];
tempArr[1] = Digit[mByte & 0X0F];
String s = new String(tempArr);
return s;
}
}
6 在测试公众号上填写URL(servlet地址)及TOKEN(在类中自定义的字符串)。
7用微信访问即可。
测试微信号连接的开发的步骤
1申请微信号
2下载ngrok 运行命令“ngrok http 8080”
3打开MYECLIPSE,建工程,并启动TOMCAT,保证项目可访问。
4用ngrok的地址,替换LOCALHOST
5编写一个servlet
CoreServlet类运行后执行校验
package org.liufeng.course.servlet;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.liufeng.course.service.CoreService;
import org.liufeng.course.util.SignUtil;
/**
* 请求处理的核心类
*
* @author liufeng
* @date 2013-09-01
*/
public class CoreServlet extends HttpServlet {
private static final long serialVersionUID = 4440739483644821986L;
/**
* 请求校验(确认请求来自微信服务器)
*/
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// 微信加密签名
String signature = request.getParameter("signature");
// 时间戳
String timestamp = request.getParameter("timestamp");
// 随机数
String nonce = request.getParameter("nonce");
// 随机字符串
String echostr = request.getParameter("echostr");
PrintWriter out = response.getWriter();
// 请求校验,若校验成功则原样返回echostr,表示接入成功,否则接入失败
if (SignUtil.checkSignature(signature, timestamp, nonce)) {
out.print(echostr);
}
out.close();
out = null;
}
/**
* 处理微信服务器发来的消息
*/
public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// 将请求、响应的编码均设置为UTF-8(防止中文乱码)
request.setCharacterEncoding("UTF-8");
response.setCharacterEncoding("UTF-8");
// 接收参数微信加密签名、 时间戳、随机数
String signature = request.getParameter("signature");
String timestamp = request.getParameter("timestamp");
String nonce = request.getParameter("nonce");
PrintWriter out = response.getWriter();
// 请求校验
if (SignUtil.checkSignature(signature, timestamp, nonce)) {
// 调用核心服务类接收处理请求
String respXml = CoreService.processRequest(request);
out.print(respXml);
}
out.close();
out = null;
}
}
--------------------
CoreService 业务类
package org.liufeng.course.service;
import java.util.Date;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import org.liufeng.course.message.resp.TextMessage;
import org.liufeng.course.util.MessageUtil;
/**
* 核心服务类
*
* @author liufeng
* @date 2013-12-02
*/
public class CoreService {
/**
* 处理微信发来的请求
*
* @param request
* @return xml
*/
public static String processRequest(HttpServletRequest request) {
// xml格式的消息数据
String respXml = null;
// 默认返回的文本消息内容
String respContent = "发送任意文本,我们开始聊天吧!";
try {
// 调用parseXml方法解析请求消息
Map<String, String> requestMap = MessageUtil.parseXml(request);
// 发送方帐号
String fromUserName = requestMap.get("FromUserName");
// 开发者微信号
String toUserName = requestMap.get("ToUserName");
// 消息类型
String msgType = requestMap.get("MsgType");
// 消息创建时间
String createTime = requestMap.get("CreateTime");
// 文本消息
if (msgType.equals(MessageUtil.REQ_MESSAGE_TYPE_TEXT)) {
String content = requestMap.get("Content");
respContent = ChatService.chat(fromUserName, createTime, content);
}
// 回复文本消息
TextMessage textMessage = new TextMessage();
textMessage.setToUserName(fromUserName);
textMessage.setFromUserName(toUserName);
textMessage.setCreateTime(new Date().getTime());
textMessage.setMsgType(MessageUtil.RESP_MESSAGE_TYPE_TEXT);
textMessage.setContent(respContent);
// 将文本消息对象转换成xml
respXml = MessageUtil.messageToXml(textMessage);
} catch (Exception e) {
e.printStackTrace();
}
return respXml;
}
}
----------------------
SignUtil 类TOKEN设置
package org.liufeng.course.util;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.Arrays;
/**
* 请求校验工具类
*
* @author liufeng
* @date 2013-09-01
*/
public class SignUtil {
// 与开发模式接口配置信息中的Token保持一致
private static String token = "weixinCourse";
/**
* 校验签名
*
* @param signature 微信加密签名
* @param timestamp 时间戳
* @param nonce 随机数
* @return
*/
public static boolean checkSignature(String signature, String timestamp, String nonce) {
// 对token、timestamp和nonce按字典排序
String[] paramArr = new String[] { token, timestamp, nonce };
Arrays.sort(paramArr);
// 将排序后的结果拼接成一个字符串
String content = paramArr[0].concat(paramArr[1]).concat(paramArr[2]);
String ciphertext = null;
try {
MessageDigest md = MessageDigest.getInstance("SHA-1");
// 对接后的字符串进行sha1加密
byte[] digest = md.digest(content.toString().getBytes());
ciphertext = byteToStr(digest);
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
}
// 将sha1加密后的字符串与signature进行对比
return ciphertext != null ? ciphertext.equals(signature.toUpperCase()) : false;
}
/**
* 将字节数组转换为十六进制字符串
*
* @param byteArray
* @return
*/
private static String byteToStr(byte[] byteArray) {
String strDigest = "";
for (int i = 0; i < byteArray.length; i++) {
strDigest += byteToHexStr(byteArray[i]);
}
return strDigest;
}
/**
* 将字节转换为十六进制字符串
*
* @param mByte
* @return
*/
private static String byteToHexStr(byte mByte) {
char[] Digit = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
char[] tempArr = new char[2];
tempArr[0] = Digit[(mByte >>> 4) & 0X0F];
tempArr[1] = Digit[mByte & 0X0F];
String s = new String(tempArr);
return s;
}
}
6 在测试公众号上填写URL(servlet地址)及TOKEN(在类中自定义的字符串)。
7用微信访问即可。