微信公众号自定义菜单和推送模板消息

1.微信公众号测试账号：
找到服务号的开发文档，点击进去。

Java代码：
准备工作：
（1）填写JS接口安全域名

（2）填写接口配置信息：

（2）java的Token验证接口

@RequestMapping(value = "/verifier",method = {RequestMethod.GET})public void processGet(HttpServletRequest request, HttpServletResponse response) throws Exception{System.out.println("验证接口消息");String signature = request.getParameter("signature");String timestamp = request.getParameter("timestamp");String nonce = request.getParameter("nonce");String echostr = request.getParameter("echostr");//校验证签名boolean check = wxService.check(signature, timestamp, nonce);if (check){System.out.println("接入成功");PrintWriter writerOut = response.getWriter();writerOut.print(echostr);writerOut.flush();writerOut.close();}else {System.out.println("接入失败");}}

 验证签名：

public boolean check(String signature, String timestamp, String nonce){//字典排序String token = "自定义的Token值";String[] wxStrArr = {token, timestamp, nonce};Arrays.sort(wxStrArr);//进行sha1加密String wxString = wxStrArr[0]+wxStrArr[1]+wxStrArr[2];String wxSha1 = sha1(wxString);//加密后的数据和signature进行对比return StringUtils.equalsIgnoreCase(wxSha1,signature);}

private static String sha1(String wxString) {try {//获取加密对象MessageDigest sha1 = MessageDigest.getInstance("sha1");byte[] digest = sha1.digest(wxString.getBytes());StringBuilder sb = new StringBuilder();char[] chars = {'0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f'};//处理加密结果for (byte b : digest) {sb.append(chars[(b>>4)&15]);sb.append(chars[b&15]);}return sb.toString();} catch (Exception e) {e.printStackTrace();}return null;}

###创建菜单；

（1）抽象的菜单类

public class AbstractButton {private String name;public String getName() {return name;}public void setName(String name) {this.name = name;}public AbstractButton(String name) {super();this.name = name;}
}

（2）view菜单

public class ViewButton extends AbstractButton {private String type = "view";private String url;public String getType() {return type;}public void setType(String type) {this.type = type;}public String getUrl() {return url;}public void setUrl(String url) {this.url = url;}public ViewButton(String name, String url) {super(name);this.url = url;}
}

###获取Token

public void getToken(){String wxTokenUrl = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=APPID&secret=APPSECRET";String appId = "微信公众号的APPID值";String appsecret = "微信公众号的APPSECRET值";String url = StringUtils.replace(wxTokenUrl, "APPID", appId).replace("APPSECRET", appsecret);String tokenStr = WechatUtils.get(url);JSONObject tokenjson = JSONObject.fromObject(tokenStr);String accessToken = tokenjson.getString("access_token");String expiresIn = tokenjson.getString("expires_in");//wxAccessToken = new WxAccessToken(accessToken,expiresIn);}

 Token的有效时间为2小时，创建一个保存Token值和判断Token是否过期的类；

public class WxAccessToken {private String accessToken;private long expiresTime;public String getAccessToken() {return accessToken;}public void setAccessToken(String accessToken) {this.accessToken = accessToken;}public long getExpiresTime() {return expiresTime;}public void setExpiresTime(long expiresTime) {this.expiresTime = expiresTime;}public WxAccessToken(String accessToken, String expiresIn) {super();this.accessToken = accessToken;expiresTime = System.currentTimeMillis()+Integer.parseInt(expiresIn)*1000;}/***判断 accessToken是否过期*/public boolean isExpires(){return System.currentTimeMillis()>expiresTime;}
}

向外暴露 获取Token方法

 /***向外暴露 获取Token方法**/public String getAccessToken(){if (wxAccessToken == null || wxAccessToken.isExpires()){getToken();}return wxAccessToken.getAccessToken();}

创建微信公众号菜单的接口：

/***创建微信的自定义菜单*/public void createMenu(){String creatMenuUrl = "https://api.weixin.qq.com/cgi-bin/menu/create?access_token=ACCESS_TOKEN";String appId = "微信公众号的APPID值";String reUrl = "点击菜单需要跳转的路径";int result = 0;String accessToken = getAccessToken();String muenUrlAccessToken = StringUtils.replace(creatMenuUrl, "ACCESS_TOKEN", accessToken);Button button = new Button();//设置url要加https//button.getButton().add(new ViewButton("菜单名称","https://open.weixin.qq.com/connect/oauth2/authorize?appid="+appId+"&redirect_uri="+reUrl+"/login&response_type=code&scope=snsapi_base&#wechat_redirect"));String jsonObjectStr = JSONObject.fromObject(button).toString();JSONObject jsonObject = WechatUtils.httpRequest(muenUrlAccessToken, "POST", jsonObjectStr);if (null != jsonObject) {if (0 != jsonObject.getInt("errcode")) {result = jsonObject.getInt("errcode");System.out.println("创建菜单失败 errcode:{}");System.out.println(jsonObject.getString("errmsg"));System.out.println(jsonObject.getInt("errcode"));}}}

创建微信的工具类：

package cn.kkou.justice.common.utils;import cn.kkou.justice.common.MyX509TrustManager;
import cn.kkou.justice.common.PropertiesLoader;
import net.sf.json.JSONObject;
import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSocketFactory;
import javax.net.ssl.TrustManager;
import javax.servlet.http.HttpServletRequest;
import java.io.*;
import java.net.ConnectException;
import java.net.URL;
import java.net.URLConnection;
import java.security.SecureRandom;
import java.util.HashMap;
import java.util.List;
import java.util.Map;/*** @author* @version 1.0.0*/
public class WechatUtils {private static Logger logger = LoggerFactory.getLogger(PropertiesLoader.class);/***向指定的地址发送get请求*/public static String get(String url){try {URL urlObj = new URL(url);//开连接URLConnection urlConnection = urlObj.openConnection();InputStream is = urlConnection.getInputStream();byte[] bytes = new byte[1024];int len;StringBuilder sb = new StringBuilder();while ((len=is.read(bytes))!=-1){sb.append(new String(bytes,0,len));}return sb.toString();} catch (Exception e) {e.printStackTrace();}return null;}/*** 描述:  发起https请求并获取结果* @param requestUrl 请求地址* @param requestMethod 请求方式（GET、POST）* @param outputStr 提交的数据* @return JSONObject(通过JSONObject.get(key)的方式获取json对象的属性值)*/public static JSONObject httpRequest(String requestUrl, String requestMethod, String outputStr) {JSONObject jsonObject = null;StringBuffer buffer = new StringBuffer();try {// 创建SSLContext对象，并使用我们指定的信任管理器初始化TrustManager[] tm = { new MyX509TrustManager() };SSLContext sslContext = SSLContext.getInstance("SSL", "SunJSSE");sslContext.init(null, tm, new SecureRandom());// 从上述SSLContext对象中得到SSLSocketFactory对象SSLSocketFactory ssf = sslContext.getSocketFactory();URL url = new URL(requestUrl);HttpsURLConnection httpUrlConn = (HttpsURLConnection) url.openConnection();httpUrlConn.setSSLSocketFactory(ssf);httpUrlConn.setDoOutput(true);httpUrlConn.setDoInput(true);httpUrlConn.setUseCaches(false);// 设置请求方式（GET/POST）httpUrlConn.setRequestMethod(requestMethod);if ("GET".equalsIgnoreCase(requestMethod)){httpUrlConn.connect();}// 当有数据需要提交时if (null != outputStr) {OutputStream outputStream = httpUrlConn.getOutputStream();// 注意编码格式，防止中文乱码outputStream.write(outputStr.getBytes("UTF-8"));outputStream.close();}// 将返回的输入流转换成字符串InputStream inputStream = httpUrlConn.getInputStream();InputStreamReader inputStreamReader = new InputStreamReader(inputStream, "utf-8");BufferedReader bufferedReader = new BufferedReader(inputStreamReader);String str = null;while ((str = bufferedReader.readLine()) != null) {buffer.append(str);}bufferedReader.close();inputStreamReader.close();// 释放资源inputStream.close();inputStream = null;httpUrlConn.disconnect();jsonObject = JSONObject.fromObject(buffer.toString());} catch (ConnectException ce) {logger.info("连接超时：",ce);} catch (Exception e) {logger.info("微信菜单创建请求错误：",e);}return jsonObject;}/** xml转map*/public static Map<String, String> xmlToMap(HttpServletRequest request) throws IOException, DocumentException {HashMap<String, String> map = new HashMap<String,String>();SAXReader reader = new SAXReader();InputStream ins = request.getInputStream();Document doc = reader.read(ins);Element root = doc.getRootElement();@SuppressWarnings("unchecked")List<Element> list = (List<Element>)root.elements();for(Element e:list){map.put(e.getName(), e.getText());}ins.close();return map;}}

推送模板消息给关注的用户：

     //1,推送消息JSONObject templateMessage = disposeTemInfo("用户的openId");//3,如果是正式版发送模版消息，这里需要配置你的信息JSONObject msgJsonObject = disposePushInfoList();JSONObject jsonObject = JSONObject.fromObject(templateMessage);jsonObject.put("data",msgJsonObject);//发起推送try {sendTemplateMsg(jsonObject);System.out.println("推送成功");} catch (Exception e) {System.out.println("推送失败：" + e.getMessage());e.printStackTrace();}

public JSONObject disposeTemInfo(String openId){//openId是用户关注公众号的唯一标识String wxTemplateId = "模板Id";String appId = "APPID";String url = "点击消息跳转的路径";JSONObject templateMessageJson = new JSONObject();templateMessageJson.put("touser",openId);templateMessageJson.put("template_id",wxTemplateId);templateMessageJson.put("url","https://open.weixin.qq.com/connect/oauth2/authorize?appid="+appId+"&redirect_uri="+url+"/login&response_type=code&scope=snsapi_base&#wechat_redirect");return templateMessageJson;}

public JSONObject disposePushInfoList(){//对应微信公众号模板的.DATA 前面的值String wxTemplateFirst = "";String wxTemplateKey1 = "";String wxTemplateKey2 = "";String wxTemplateKey3 = "";String wxTemplateRemark = "";//字体颜色String wxTemplateColor ="";String firstStr = StringUtils.EMPTY;JSONObject first = new JSONObject();first.put("value",firstStr);first.put("color",wxTemplateColor);JSONObject KeyWord1 = new JSONObject();KeyWord1.put("value","");KeyWord1.put("color",wxTemplateColor);JSONObject KeyWord2 = new JSONObject();KeyWord2.put("value","");KeyWord2.put("color",wxTemplateColor);JSONObject KeyWord3 = new JSONObject();KeyWord3.put("value","";KeyWord3.put("color",wxTemplateColor);JSONObject remark = new JSONObject();remark.put("value","");remark.put("color",wxTemplateColor);JSONObject msgJson = new JSONObject();msgJson.put(wxTemplateFirst,first);msgJson.put(wxTemplateKey1,KeyWord1);msgJson.put(wxTemplateKey2,KeyWord2);msgJson.put(wxTemplateKey3,KeyWord3);msgJson.put(wxTemplateRemark,remark);return msgJson;}

public void sendTemplateMsg(JSONObject templateMessage){int result = 0;String accessToken = getAccessToken();String sendMsgUrlStr = StringUtils.replace("https://api.weixin.qq.com/cgi-bin/message/template/send?access_token=ACCESS_TOKEN", "ACCESS_TOKEN", accessToken);String msgJsonStr = templateMessage.toString();JSONObject jsonObject = WechatUtils.httpRequest(sendMsgUrlStr, "POST", msgJsonStr);if (null != jsonObject) {if (0 != jsonObject.getInt("errcode")) {result = jsonObject.getInt("errcode");logger.error("推送消息失败");}}}

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