目的：给关注用户推送消息
场景：自动化测试,运维监控，接口访问等报错预警。例如线上接口报错，发送提醒消息
准备工作：
1:注册企业号（为什么不用公众号呢？）
2:常用参数介绍：
1:CORPID 企业号唯一标志符号。
位置：点击首页企业名称，企业资料中有key：CorpID
2:CORPSECRET：
需要创建单独等应用。具体步骤，按照提示一步一步来即可。需关注2个参数
Secret 和 AgentId（用于区分给哪个应用推送消息）
3:发送消息准备工作：
关注自己的企业号。（需要先绑定手机号）
4:纪录下需要发送消息的通讯录Id
用于给指定用户推送消息
5:代码结构
1:获取token
2:发送消息
6源码：（在你执行下面代码的时候，AgentId改为你自己的）
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URL;
import javax.net.ssl.HttpsURLConnection;
import net.sf.json.JSONObject;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.NameValuePair;
import org.apache.commons.httpclient.cookie.CookiePolicy;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.commons.httpclient.params.DefaultHttpParams;
/**
* @author cxf
*/
public class SendWeChatMessage {
// 系统properties文件名称
// private static final String EMAILCONFIG = "emailAndMsgConfig";
// 发送消息类型
private final static String MSGTYPE = "text";
// 发送消息分组所有成员
private final static String TOPARTY = "@all";
// 获取配置文件中的值
private final static String CORPID = "上面提到的CORPID";// 需要自己申请，官网有试用企业号
// 可以申请试用
private final static String CORPSECRET = "上面提到的CORPSECRET";
// 获取访问权限码URL
private final static String ACCESS_TOKEN_URL = "https://qyapi.weixin.qq.com/cgi-bin/gettoken";
// 创建会话请求URL
private final static String CREATE_SESSION_URL = "https://qyapi.weixin.qq.com/cgi-bin/message/send?access_token=";
// 获取接口访问权限码
public String getAccessToken() {
HttpClient client = new HttpClient();
// PostMethod post = new PostMethod(ACCESS_TOKEN_URL);
GetMethod get = new GetMethod(ACCESS_TOKEN_URL);
get.releaseConnection();
get.setRequestHeader("Content-Type", "application/x-www-form-urlencoded;charset=UTF-8");
NameValuePair[] param = { new NameValuePair("corpid", CORPID), new NameValuePair("corpsecret", CORPSECRET) };
// 设置策略，防止报cookie错误
DefaultHttpParams.getDefaultParams().setParameter("http.protocol.cookie-policy", CookiePolicy.BROWSER_COMPATIBILITY);
// 给post设置参数
get.setQueryString(param);
String result = null;
try {
client.executeMethod(get);
result = new String(get.getResponseBodyAsString().getBytes("utf-8"));
} catch (IOException e) {
e.printStackTrace();
}
// 将数据转换成json
if(result==null||result==""){
System.out.println("*****************");
System.out.println("result:null");
}else {
System.out.println("result is not null:"+result.toString());
JSONObject jasonObject = JSONObject.fromObject(result);
result = (String) jasonObject.get("access_token");
// System.out.println(result);
get.releaseConnection();
}
return result;
}
/**
* 企业接口向下属关注用户发送微信消息(实现方式一)
*
* @param touser
* 成员ID列表（消息接收者，多个接收者用‘|’分隔，最多支持1000个）。特殊情况：指定为@all，
* 则向关注该企业应用的全部成员发送
* @param toparty
* 部门ID列表，多个接收者用‘|’分隔，最多支持100个。当touser为@all时忽略本参数
* @param totag
* 标签ID列表，多个接收者用‘|’分隔。当touser为@all时忽略本参数
* @param content
* 消息内容
* @return
*/
@SuppressWarnings("deprecation")
public String sendWeChatMessage(String touser, String toparty, String totag, String content) {
HttpClient client = new HttpClient();
String ACCESS_TOKEN = getAccessToken();
StringBuffer sb = new StringBuffer();
sb.append("{");
sb.append("\"touser\":" + "\"" + touser + "\",");
sb.append("\"toparty\":" + "\"" + toparty + "\",");
sb.append("\"totag\":" + "\"" + totag + "\",");
sb.append("\"msgtype\":" + "\"" + "text" + "\",");
sb.append("\"agentid\":" + "\"" + "1000002" + "\",");
sb.append("\"text\":" + "{");
sb.append("\"content\":" + "\"" + content + "\"},");
sb.append("\"debug\":" + "\"" + "1" + "\"");
sb.append("}");
// 请求链接
String url = CREATE_SESSION_URL + ACCESS_TOKEN;
PostMethod post = new PostMethod(url);
post.releaseConnection();
post.setRequestHeader("Content-Type", "application/json;charset=UTF-8");
// 设置策略，防止报cookie错误
DefaultHttpParams.getDefaultParams().setParameter("http.protocol.cookie-policy", CookiePolicy.BROWSER_COMPATIBILITY);
// 给post设置参数
post.setRequestBody(sb.toString());
String result = "";
try {
client.executeMethod(post);
result = new String(post.getResponseBodyAsString().getBytes("utf-8"));
} catch (IOException e) {
e.printStackTrace();
}
System.out.println(result);
post.releaseConnection();
return result;
}
/**
* 此方法可以发送任意类型消息
*
* @param msgType
* text|image|voice|video|file|news
* @param touser
* 成员ID列表（消息接收者，多个接收者用‘|’分隔，最多支持1000个）。特殊情况：指定为@all，
* 则向关注该企业应用的全部成员发送
* @param toparty
* 部门ID列表，多个接收者用‘|’分隔，最多支持100个。当touser为@all时忽略本参数
* @param totag
* 标签ID列表，多个接收者用‘|’分隔。当touser为@all时忽略本参数
* @param content
* msgType=text时 ,文本消息内容
* @param mediaId
* msgType=image|voice|video时 ,对应消息信息ID（--------）
* @param title
* msgType=news|video时，消息标题
* @param description
* msgType=news|video时，消息描述
* @param url
* msgType=news时，消息链接
* @param picurl
* msgType=news时，图片路径
* @param safe
* 表示是否是保密消息，0表示否，1表示是，默认0
*/
public void sendWeChatMsg(String msgType, String touser, String toparty, String totag, String content, String mediaId, String title,
String description, String url, String picurl, String safe) {
URL uRl;
String ACCESS_TOKEN = getAccessToken();
// 拼接请求串
String action = CREATE_SESSION_URL + ACCESS_TOKEN;
// 封装发送消息请求json
StringBuffer sb = new StringBuffer();
sb.append("{");
sb.append("\"touser\":" + "\"" + touser + "\",");
sb.append("\"toparty\":" + "\"" + toparty + "\",");
sb.append("\"totag\":" + "\"" + totag + "\",");
if (msgType.equals("text")) {
sb.append("\"msgtype\":" + "\"" + msgType + "\",");
sb.append("\"text\":" + "{");
sb.append("\"content\":" + "\"" + content + "\"");
sb.append("}");
} else if (msgType.equals("image")) {
sb.append("\"msgtype\":" + "\"" + msgType + "\",");
sb.append("\"image\":" + "{");
sb.append("\"media_id\":" + "\"" + mediaId + "\"");
sb.append("}");
} else if (msgType.equals("voice")) {
sb.append("\"msgtype\":" + "\"" + msgType + "\",");
sb.append("\"voice\":" + "{");
sb.append("\"media_id\":" + "\"" + mediaId + "\"");
sb.append("}");
} else if (msgType.equals("video")) {
sb.append("\"msgtype\":" + "\"" + msgType + "\",");
sb.append("\"video\":" + "{");
sb.append("\"media_id\":" + "\"" + mediaId + "\",");
sb.append("\"title\":" + "\"" + title + "\",");
sb.append("\"description\":" + "\"" + description + "\"");
sb.append("}");
} else if (msgType.equals("file")) {
sb.append("\"msgtype\":" + "\"" + msgType + "\",");
sb.append("\"file\":" + "{");
sb.append("\"media_id\":" + "\"" + mediaId + "\"");
sb.append("}");
} else if (msgType.equals("news")) {
sb.append("\"msgtype\":" + "\"" + msgType + "\",");
sb.append("\"news\":" + "{");
sb.append("\"articles\":" + "[");
sb.append("{");
sb.append("\"title\":" + "\"" + title + "\",");
sb.append("\"description\":" + "\"" + description + "\",");
sb.append("\"url\":" + "\"" + url + "\",");
sb.append("\"picurl\":" + "\"" + picurl + "\"");
sb.append("}");
sb.append("]");
sb.append("}");
}
sb.append(",\"safe\":" + "\"" + safe + "\",");
sb.append("\"agentid\":" + "\"" + "1000002" + "\",");
sb.append("\"debug\":" + "\"" + "1" + "\"");
sb.append("}");
String json = sb.toString();
try {
uRl = new URL(action);
HttpsURLConnection http = (HttpsURLConnection) uRl.openConnection();
http.setRequestMethod("POST");
http.setRequestProperty("Content-Type",
"application/json;charset=UTF-8");
http.setDoOutput(true);
http.setDoInput(true);
System.setProperty("sun.net.client.defaultConnectTimeout", "30000");//
// 连接超时30秒
System.setProperty("sun.net.client.defaultReadTimeout", "30000"); //
// 读取超时30秒
http.connect();
OutputStream os = http.getOutputStream();
os.write(json.getBytes("UTF-8"));// 传入参数
InputStream is = http.getInputStream();
int size = is.available();
byte[] jsonBytes = new byte[size];
is.read(jsonBytes);
String result = new String(jsonBytes, "UTF-8");
System.out.println("请求返回结果:" + result);
os.flush();
os.close();
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* 企业接口向下属关注用户发送微信消息(实现方式二)
*
* @param touser
* 成员ID列表（消息接收者，多个接收者用‘|’分隔，最多支持1000个）。特殊情况：指定为@all，
* 则向关注该企业应用的全部成员发送
* @param toparty
* 部门ID列表，多个接收者用‘|’分隔，最多支持100个。当touser为@all时忽略本参数
* @param totag
* 标签ID列表，多个接收者用‘|’分隔。当touser为@all时忽略本参数
* @param content
* 消息内容
* @param safe
* 消息是否保密
* @return
*/
public void sendWeChatMsgText(String touser, String toparty, String totag, String content, String safe) {
URL uRl;
String ACCESS_TOKEN = getAccessToken();
// 拼接请求串
String action = CREATE_SESSION_URL + ACCESS_TOKEN;
// 封装发送消息请求json
StringBuffer sb = new StringBuffer();
sb.append("{");
sb.append("\"touser\":" + "\"" + touser + "\",");
sb.append("\"toparty\":" + "\"" + toparty + "\",");
sb.append("\"totag\":" + "\"" + totag + "\",");
sb.append("\"msgtype\":" + "\"" + MSGTYPE + "\",");
sb.append("\"text\":" + "{");
sb.append("\"content\":" + "\"" + content + "\"");
sb.append("}");
sb.append(",\"safe\":" + "\"" + safe + "\",");
sb.append("\"agentid\":" + "\"" + "1000002" + "\",");
sb.append("\"debug\":" + "\"" + "1" + "\"");
sb.append("}");
String json = sb.toString();
System.out.println("==========================");
System.out.println(json);
System.out.println("==========================");
try {
uRl = new URL(action);
HttpsURLConnection http = (HttpsURLConnection) uRl.openConnection();
http.setRequestMethod("POST");
http.setRequestProperty("Content-Type",
"application/json;charset=UTF-8");
http.setDoOutput(true);
http.setDoInput(true);
System.setProperty("sun.net.client.defaultConnectTimeout", "30000");//
// 连接超时30秒
System.setProperty("sun.net.client.defaultReadTimeout", "30000"); //
// 读取超时30秒
http.connect();
OutputStream os = http.getOutputStream();
os.write(json.getBytes("UTF-8"));// 传入参数
InputStream is = http.getInputStream();
int size = is.available();
byte[] jsonBytes = new byte[size];
is.read(jsonBytes);
String result = new String(jsonBytes, "UTF-8");
System.out.println("请求返回结果:" + result);
os.flush();
os.close();
} catch (Exception e) {
e.printStackTrace();
}
}
public static void main(String[] args) {
SendWeChatMessage weChat = new SendWeChatMessage();
weChat.sendWeChatMsgText("ChengXueFeng", "1", "", "微信测试", "0");
// weChat.sendWeChatMsg("text", "mxlydx", "4", "", "测试senMsg", "", "",
// "", "", "", "0");
// weChat.sendWeChatMessage("mxlydq", "2", "", "Hi");
}
转自：https://www.jianshu.com/p/b0b81a986e35