Java代碼修改微信公衆號菜單

前言

相信大家在微信公衆號開發中都會遇到這樣一個問題：啓用服務器配置後，原先設置的公衆號菜單都失效了，那麼此時只能使用代碼創建公衆號菜單了，代碼如下：

 

       個人微信公衆號：小諸葛的博客，使用過程中如有疑問，可在公衆號後臺留言

 

import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.URL;
import java.net.URLConnection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * @description 官方文檔 https://developers.weixin.qq.com/doc/offiaccount/Custom_Menus/Creating_Custom-Defined_Menu.html
 * 所需依賴：
 * <dependency>
 * <groupId>com.alibaba</groupId>
 * <artifactId>fastjson</artifactId>
 * <version>1.1.41</version>
 * </dependency>
 * @author: liyinlong
 * @date 2020-01-05 22:09
 */

public class CreateWxMenu {

    public static void main(String[] args) {
        String appid = "你的公衆號id";
        String secret = "你的公衆號密鑰";
        String accessTokenStr = sendGet("https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=" + appid + "&secret=" + secret);
        System.out.println("access_token獲取結果：" + accessTokenStr);
        JSONObject accessTokenObj = JSONObject.parseObject(accessTokenStr);
        String access_token = accessTokenObj.getString("access_token");
        System.out.println("access_token:" + access_token);

        JSONObject menu = new JSONObject();
        JSONArray buttonAry = new JSONArray();

        Map<String, String> object1 = new HashMap<>();
        object1.put("type", "view");
        object1.put("name", "官方文檔");
        object1.put("url", "https://developers.weixin.qq.com/doc/offiaccount/Custom_Menus/Creating_Custom-Defined_Menu.html");

        Map<String, String> object2 = new HashMap<>();
        object2.put("type", "view");
        object2.put("name", "我的csdn");
        object2.put("url", "https://blog.csdn.net/long_yi_1994");

        buttonAry.add(object1);
        buttonAry.add(object2);

        menu.put("button", buttonAry);

        String res = sendPost("https://api.weixin.qq.com/cgi-bin/menu/create?access_token=" + access_token, menu.toString());
        System.out.println("菜單修改結果：" + res);
    }

    /**
     * @param url   發送請求的URL
     * @param param 請求參數
     * @return 所代表遠程資源的響應結果
     * @description 向指定 URL 發送POST方法的請求
     * @author: liyinlong
     * @date 2020-01-05 21:00
     */
    public static String sendPost(String url, String param) {
        System.out.println("\n==============================POST請求開始==============================");
        PrintWriter out = null;
        BufferedReader in = null;
        String result = "";
        try {
            URL realUrl = new URL(url);
            // 打開和URL之間的連接
            URLConnection conn = realUrl.openConnection();
            // 設置通用的請求屬性
            conn.setRequestProperty("accept", "*/*");
            conn.setRequestProperty("connection", "Keep-Alive");
            conn.setRequestProperty("user-agent",
                    "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            // 發送POST請求必須設置如下兩行
            conn.setDoOutput(true);
            conn.setDoInput(true);
            // 獲取URLConnection對象對應的輸出流
            out = new PrintWriter(conn.getOutputStream());
            // 發送請求參數
            out.print(param);
            // flush輸出流的緩衝
            out.flush();
            // 定義BufferedReader輸入流來讀取URL的響應

            in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
            String line;
            while ((line = in.readLine()) != null) {
                result += line;
            }
        } catch (Exception e) {
            System.out.println("發送 POST 請求出現異常！" + e);
            e.printStackTrace();
        }
        //使用finally塊來關閉輸出流、輸入流
        finally {
            try {
                if (out != null) {
                    out.close();
                }
                if (in != null) {
                    in.close();
                }
            } catch (IOException ex) {
                ex.printStackTrace();
            }
        }
        System.out.println("url:" + url);
        System.out.println("POST請求結果：" + result);
        System.out.println("==============================POST請求結束==============================\n");
        return result;
    }

    /**
     * @param url 請求url，若有參數，則拼在裏面
     * @return 所代表遠程資源的響應結果
     * @description 發送GET請求，參數拼在url裏
     * @author: liyinlong
     * @date 2020-01-05 21:56
     */
    public static String sendGet(String url) {
        System.out.println("\n==============================GET請求開始==============================");
        String result = "";
        BufferedReader in = null;
        try {
            String urlNameString = url;
            URL realUrl = new URL(urlNameString);
            // 打開和URL之間的連接
            URLConnection connection = realUrl.openConnection();
            // 設置通用的請求屬性
            connection.setRequestProperty("accept", "*/*");
            connection.setRequestProperty("connection", "Keep-Alive");
            connection.setRequestProperty("user-agent",
                    "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            // 建立實際的連接
            connection.connect();
            // 獲取所有響應頭字段
            Map<String, List<String>> map = connection.getHeaderFields();
            // 遍歷所有的響應頭字段
           /* for (String key : map.keySet()) {
                System.out.println(key + "--->" + map.get(key));
            }*/
            // 定義 BufferedReader輸入流來讀取URL的響應
            in = new BufferedReader(new InputStreamReader(
                    connection.getInputStream()));
            String line;
            while ((line = in.readLine()) != null) {
                result += line;
            }
        } catch (Exception e) {
            System.out.println("發送GET請求出現異常！" + e);
            e.printStackTrace();
        }
        // 使用finally塊來關閉輸入流
        finally {
            try {
                if (in != null) {
                    in.close();
                }
            } catch (Exception e2) {
                e2.printStackTrace();
            }
        }
        System.out.println("url:" + url);
        System.out.println("GET請求結果：" + result);
        System.out.println("==============================GET請求結束==============================\n");
        return result;
    }
}

 

       個人微信公衆號：小諸葛的博客，使用過程中如有疑問，可在公衆號後臺留言