java 实现微信公众号模板消息推送到指定用户的openid
实现微信公众号模板消息推送
- 控制层
- 实体类
- 官方文档地址：
控制层
package com.zjht.resourceserver.controller;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONException;
import com.alibaba.fastjson.JSONObject;
import com.zjht.currentserver.model.po.SResourceActivity;
import com.zjht.resourceserver.service.ResourceActivityService;
import com.zjht.resourceserver.vo.TemplateData;
import com.zjht.resourceserver.vo.WechatTemplate;
import org.apache.commons.lang.StringUtils;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.StatusLine;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.HttpResponseException;
import org.apache.http.client.ResponseHandler;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import java.io.IOException;
import java.net.URI;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.Map;
import java.util.Optional;
import java.util.TreeMap;
@Component
public class TemplateMsgAct {
@Autowired
private ResourceActivityService resourceActivityService;
public final static String token_url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=APPID&secret=APPSECRET";
/**
* 发送模板消息
*官方文档地址：https://developers.weixin.qq.com/doc/offiaccount/Message_Management/Template_Message_Interface.html#5
*/
// @RequestMapping("/sendTemplateMsg")
public void sendTemplateMsg(String openid,Integer activityId) {
String token = getToken();//获取access_token
String createMenuUrl = "https://api.weixin.qq.com/cgi-bin/message/template/send"; //微信提供的发送接口地址
String url = createMenuUrl + "?access_token=" + token;
//根据活动id 获取活动名称
Optional byId = resourceActivityService.findById(activityId);
if (byId.isPresent()) {
//封装模板消息数据内容
try {
WechatTemplate wechatTemplate = new WechatTemplate();
//接收人的openid
wechatTemplate.setTouser(openid);
//模板id
wechatTemplate.setTemplate_id("0QHGjrzVczIubRwvGd7zTpDTmBAHjKyaWxPEwXLhm04");
//详情跳转的路径
wechatTemplate.setUrl("https://www.baidu.com/" ) ;
Map mapdata = new TreeMap();
// 封装模板数据
TemplateData first = new TemplateData();
first.setValue(byId.get().getTitle());
first.setColor("#173177");
mapdata.put("first", first);
TemplateData keyword1 = new TemplateData();
keyword1.setValue(byId.get().getTitle());
first.setColor("#173177");
mapdata.put("keyword1", keyword1);
TemplateData keyword2 = new TemplateData();
keyword2.setValue(byId.get().getHoldstartdate());
first.setColor("#173177");
mapdata.put("keyword2", keyword2);
TemplateData remark = new TemplateData();
remark.setValue("您报名的活动已审核通过，请您携带有效证件准时参加，如有疑问请联系活动负责人。");
remark.setColor("#173177");
mapdata.put("remark", remark);
wechatTemplate.setData(mapdata);
String jsonString = JSON.toJSONString(wechatTemplate);
String str=post(url, jsonString, "application/json");
System.out.println("模板请求结束:"+ str);
} catch (Exception e) {
e.printStackTrace();
}
}
}
private String post(String url, String json, String contentType) {
HttpClientBuilder httpClientBuilder = HttpClientBuilder.create();
//HttpClient
CloseableHttpClient client = httpClientBuilder.build();
client = (CloseableHttpClient) wrapClient(client);
HttpPost post = new HttpPost(url);
try {
StringEntity s = new StringEntity(json, "utf-8");
if (StringUtils.isBlank(contentType)) {
s.setContentType("application/json");
}
s.setContentType(contentType);
post.setEntity(s);
HttpResponse res = client.execute(post);
HttpEntity entity = res.getEntity();
String str = EntityUtils.toString(entity, "utf-8");
return str;
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
private static HttpClient wrapClient(HttpClient base) {
try {
SSLContext ctx = SSLContext.getInstance("TLSv1");
X509TrustManager tm = new X509TrustManager() {
public void checkClientTrusted(X509Certificate[] xcs,
String string) throws CertificateException {
}
public void checkServerTrusted(X509Certificate[] xcs,
String string) throws CertificateException {
}
public X509Certificate[] getAcceptedIssuers() {
return null;
}
};
ctx.init(null, new TrustManager[]{tm}, null);
SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(ctx, new String[]{"TLSv1"}, null,
SSLConnectionSocketFactory.BROWSER_COMPATIBLE_HOSTNAME_VERIFIER);
CloseableHttpClient httpclient = HttpClients.custom().setSSLSocketFactory(sslsf).build();
return httpclient;
} catch (Exception ex) {
return null;
}
}
public class CharsetHandler implements ResponseHandler {
private String charset;
public CharsetHandler(String charset) {
this.charset = charset;
}
public String handleResponse(HttpResponse response)
throws ClientProtocolException, IOException {
StatusLine statusLine = response.getStatusLine();
if (statusLine.getStatusCode() >= 300) {
throw new HttpResponseException(statusLine.getStatusCode(),
statusLine.getReasonPhrase());
}
HttpEntity entity = response.getEntity();
if (entity != null) {
if (!StringUtils.isBlank(charset)) {
return EntityUtils.toString(entity, charset);
} else {
return EntityUtils.toString(entity);
}
} else {
return null;
}
}
}
/**
* 获取access_token
* @return
*/
public String getToken() {
String tokenGetUrl="https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential";//微信提供获取access_token接口地址
String appid="wx234523452345";
String secret="12344564523452345232452345";
JSONObject tokenJson=new JSONObject();
if(StringUtils.isNotBlank(appid)&&StringUtils.isNotBlank(secret)){
tokenGetUrl+="&appid="+appid+"&secret="+secret;
tokenJson = JSONObject.parseObject(getUrlResponse(tokenGetUrl));
System.out.println("~~~~~tokenJson:"+tokenJson.toString());
try {
return (String) tokenJson.get("access_token");
} catch (JSONException e) {
System.out.println("报错了");
return null;
}
}else{
System.out.println("appid和secret为空");
return null;
}
}
private String getUrlResponse(String url){
CharsetHandler handler = new CharsetHandler("UTF-8");
try {
HttpGet httpget = new HttpGet(new URI(url));
HttpClientBuilder httpClientBuilder = HttpClientBuilder.create();
//HttpClient
CloseableHttpClient client = httpClientBuilder.build();
client = (CloseableHttpClient) wrapClient(client);
String execute = client.execute(httpget, handler);
return execute;
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
}
实体类
package com.zjht.resourceserver.vo;
import java.util.Map;
public class WechatTemplate {
private String touser; //接收人
private String template_id; //模板id
private String url; //跳转的url
private Map data; //内容中的参数数据
public String getTouser() {
return touser;
}
public void setTouser(String touser) {
this.touser = touser;
}
public String getTemplate_id() {
return template_id;
}
public void setTemplate_id(String template_id) {
this.template_id = template_id;
}
public String getUrl() {
return url;
}
public void setUrl(String url) {
this.url = url;
}
public Map getData() {
return data;
}
public void setData(Map data) {
this.data = data;
}
}
package com.zjht.resourceserver.vo;
public class Token {
//接口访问凭证
private String accessToken;
//接口有效期，单位：秒
private int expiresIn;
public String getAccessToken() {
return accessToken;
}
public void setAccessToken(String accessToken) {
this.accessToken = accessToken;
}
public int getExpiresIn() {
return expiresIn;
}
public void setExpiresIn(int expiresIn) {
this.expiresIn = expiresIn;
}
}
package com.zjht.resourceserver.vo;
public class TemplateData {
private String value; //值
private String color; //展示的颜色
public String getValue() {
return value;
}
public void setValue(String value) {
this.value = value;
}
public String getColor() {
return color;
}
public void setColor(String color) {
this.color = color;
}
}
官方文档地址：
https://developers.weixin.qq.com/doc/offiaccount/Message_Management/Template_Message_Interface.html#5