根據java實現企業微信消息推送功能


第一步:申請企業微信注冊企業(鏈接:https://work.weixin.qq.com/nl/sem/registe?s=c&from=1011017189&bd_vid=11628667012427618020)

 

第二步:登錄自己的企業微信找到應用管理———>添加應用

 

 

第三步:獲取到應用的AgentId、Secret、企業id

 

 

 

第四步,准備代碼編寫:

 

 

 model層代碼:

package com.toone.itop.formula.function.inte.model;  
  
/**
 * @desc  : 微信通用接口憑證 
 * 
 */
public class AccessToken {  
    // 獲取到的憑證  
    private String token;  
    // 憑證有效時間,單位:秒  
    private int expiresIn;  
  
    public String getToken() {  
        return token;  
    }  
  
    public void setToken(String token) {  
        this.token = token;  
    }  
  
    public int getExpiresIn() {  
        return expiresIn;  
    }  
  
    public void setExpiresIn(int expiresIn) {  
        this.expiresIn = expiresIn;  
    }  
}  
package com.toone.itop.formula.function.inte.model;  
  
/**
 * 消息基類(企業號 -> 普通用戶) 
 *
 */
public class BaseMessage {  
    // 否 成員ID列表(消息接收者,多個接收者用‘|’分隔,最多支持1000個)。特殊情況:指定為@all,則向該企業應用的全部成員發送
    private String touser;  
    // 否 部門ID列表,多個接收者用‘|’分隔,最多支持100個。當touser為@all時忽略本參數
    private String toparty;  
    // 否 標簽ID列表,多個接收者用‘|’分隔,最多支持100個。當touser為@all時忽略本參數
    private String totag;  
    // 是 消息類型 
    private String msgtype; 
    // 是 企業應用的id,整型。可在應用的設置頁面查看
    private int agentid;
    
    
    public String getTouser() {
        return touser;
    }
    public void setTouser(String touser) {
        this.touser = touser;
    }
    public String getToparty() {
        return toparty;
    }
    public void setToparty(String toparty) {
        this.toparty = toparty;
    }
    public String getTotag() {
        return totag;
    }
    public void setTotag(String totag) {
        this.totag = totag;
    }
    public String getMsgtype() {
        return msgtype;
    }
    public void setMsgtype(String msgtype) {
        this.msgtype = msgtype;
    }
    public int getAgentid() {
        return agentid;
    }
    public void setAgentid(int agentid) {
        this.agentid = agentid;
    }
    
}
package com.toone.itop.formula.function.inte.model;

/**
 * 文本
 *
 */
public class Text {
    //是    消息內容,最長不超過2048個字節
    private String content;

    public String getContent() {
        return content;
    }

    public void setContent(String content) {
        this.content = content;
    }

}

 

package com.toone.itop.formula.function.inte.model;

/**
 * 文本消息
 *
 */
public class TextMessage extends BaseMessage {
    // 文本
    private Text text;
    // 否 表示是否是保密消息,0表示否,1表示是,默認0
    private int safe;

    public Text getText() {
        return text;
    }

    public void setText(Text text2) {
        this.text = text2;
    }

    public int getSafe() {
        return safe;
    }

    public void setSafe(int safe) {
        this.safe = safe;
    }

}

通用工具類:

package com.toone.itop.formula.function.inte.util;

import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;

import javax.net.ssl.X509TrustManager;

/**
 * 證書信任管理器(用於https請求
 * 
 */
public class MyX509TrustManager implements X509TrustManager {

    public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException {
    }

    public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException {
    }

    public X509Certificate[] getAcceptedIssuers() {
        return null;
    }
}
package com.toone.itop.formula.function.inte.util;

/**
 * 企業微信參數
 *
 */
public class WeChatParamesUtil {
    // 1.微信參數
    // 企業ID
    public final static String corpId = "ww0b7de3b4c25ba7881";
    // 企業應用私鑰OA  
    public final static String corpsecret = "xbV7an7Mev8yqsnSzzzSn0L_cCnOTJxbo9gVZR7ObpY1";
    // 企業應用的id  
    public final static int agentId = 1000008;
    
    public final static String aws6url = "http://localhost:8088";
}
package com.toone.itop.formula.function.inte.util;

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.ConnectException;
import java.net.URL;

import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSocketFactory;
import javax.net.ssl.TrustManager;

import net.sf.json.JSONException;
import net.sf.json.JSONObject;

import com.toone.itop.formula.function.inte.model.AccessToken;



public class WeChatUtil {

    // 微信的請求url
    // 獲取access_token的接口地址(GET) 限200(次/天)
    public final static String access_token_url = "https://qyapi.weixin.qq.com/cgi-bin/gettoken?corpid={corpId}&corpsecret={corpsecret}";

    /**
     * 1.發起https請求並獲取結果
     * 
     * @param requestUrl
     *            請求地址
     * @param requestMethod
     *            請求方式(GET、POST)
     * @param outputStr
     *            提交的數據
     * @return JSONObject(通過JSONObject.get(key)的方式獲取json對象的屬性值)
     */
    public static JSONObject httpRequest(String requestUrl, String requestMethod, String outputStr) {
        JSONObject jsonObject = null;
        StringBuffer buffer = new StringBuffer();
        try {
            // 創建SSLContext對象,並使用我們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 java.security.SecureRandom());
            // 從上述SSLContext對象中得到SSLSocketFactory對象
            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);
            // 設置請求方式(GET/POST)
            httpUrlConn.setRequestMethod(requestMethod);

            if ("GET".equalsIgnoreCase(requestMethod))
                httpUrlConn.connect();

            // 當有數據需要提交時
            if (null != outputStr) {
                OutputStream outputStream = httpUrlConn.getOutputStream();
                // 注意編碼格式,防止中文亂碼
                outputStream.write(outputStr.getBytes("UTF-8"));
                outputStream.close();
            }

            // 將返回的輸入流轉換成字符串
            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();
            // 釋放資源
            inputStream.close();
            inputStream = null;
            httpUrlConn.disconnect();
            jsonObject = JSONObject.fromObject(buffer.toString());
        } catch (ConnectException ce) {
            // Weixin server connection timed out
        } catch (Exception e) {
            // https request error:{}
            // e.printStackTrace();
        }
        return jsonObject;
    }

    /**
     * 2.獲取access_token
     * 
     * @param appid
     *            憑證
     * @param appsecret
     *            密鑰
     * @return
     */
    public static AccessToken getAccessToken(String appid, String appsecret) {
        AccessToken accessToken = null;

        String requestUrl = access_token_url.replace("{corpId}", appid).replace("{corpsecret}", appsecret);
        JSONObject jsonObject = httpRequest(requestUrl, "GET", null);
        // 如果請求成功
        if (null != jsonObject) {
            try {
                accessToken = new AccessToken();
                accessToken.setToken(jsonObject.getString("access_token"));
                accessToken.setExpiresIn(jsonObject.getInt("expires_in"));
            } catch (JSONException e) {
                accessToken = null;
                // 獲取token失敗
                // log.error("獲取token失敗 errcode:{} errmsg:{}"+
                // jsonObject.getInt("errcode")+jsonObject.getString("errmsg"));
            }
        }
        return accessToken;
    }

}

service層:

package com.toone.itop.formula.function.inte.service;
import net.sf.json.JSONObject;

import com.google.gson.Gson;
import com.toone.itop.formula.function.inte.model.Text;
import com.toone.itop.formula.function.inte.model.TextMessage;
import com.toone.itop.formula.function.inte.util.WeChatParamesUtil;
import com.toone.itop.formula.function.inte.util.WeChatUtil;


/**
 * @desc : 發送消息
 * 
 */
public class WeChatService {

    private static String sendMessage_url = "https://qyapi.weixin.qq.com/cgi-bin/message/send?access_token=ACCESS_TOKEN";

    /**
     * @desc :0.公共方法:發送消息
     * @param accessToken
     * @param message
     *            void
     */
    public static String sendMessage(String uid, String content) {

        // 1.獲取access_token:根據企業id和應用密鑰獲取access_token,並拼接請求url
        String accessToken = WeChatUtil.getAccessToken(WeChatParamesUtil.corpId, WeChatParamesUtil.corpsecret).getToken();
        // 2.獲取發送對象,並轉成json
        Gson gson = new Gson();
        TextMessage message = new TextMessage();
        // 1.1非必需
        message.setTouser(uid); // 不區分大小寫
        //message.setToparty("1");
        //message.getTouser(totag);
        // txtMsg.setSafe(0);
        // 1.2必需
        message.setMsgtype("text");
        message.setAgentid(WeChatParamesUtil.agentId);
        Text text = new Text();
        text.setContent(content);
        message.setText(text);
        String jsonMessage = gson.toJson(message);
        // 3.獲取請求的url
        String url = sendMessage_url.replace("ACCESS_TOKEN", accessToken);

        // 4.調用接口,發送消息
        JSONObject jsonObject = WeChatUtil.httpRequest(url, "POST", jsonMessage);

        // 4.錯誤消息處理
        if (null != jsonObject) {
            if (0 != jsonObject.getInt("errcode")) {
                System.out.println("消息發送失敗 errcode:{} errmsg:{}" + jsonObject.getInt("errcode") + jsonObject.getString("errmsg"));
            }
        }
        return jsonObject.toString();
    }

    public static void main(String[] args) {
        // 0.設置消息內容
        String content = "這是一條測試消息";
        //userId為企業用戶的id
        String userId = "qianxia";
        // 3.發送消息:調用業務類,發送消息
        WeChatService.sendMessage(userId, content);

    }

}

 所需引入的依賴

 

依賴下載地址:https://files.cnblogs.com/files/blogs/740095/lib.zip

測試效果圖:

 


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