前言
相信大家在微信公众号开发中都会遇到这样一个问题：启用服务器配置后，原先设置的公众号菜单都失效了，那么此时只能使用代码创建公众号菜单了，代码如下：
个人微信公众号：小诸葛的博客，使用过程中如有疑问，可在公众号后台留言
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 官方文档 https://developers.weixin.qq.com/doc/offiaccount/Custom_Menus/Creating_Custom-Defined_Menu.html
* 所需依赖：
* <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 = "你的公众号id";
String secret = "你的公众号密钥";
String accessTokenStr = sendGet("https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=" + appid + "&secret=" + secret);
System.out.println("access_token获取结果：" + 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", "官方文档");
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"
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("菜单修改结果：" + res);
}
/**
* @param url 发送请求的URL
* @param param 请求参数
* @return 所代表远程资源的响应结果
* @description 向指定 URL 发送POST方法的请求
* @author: liyinlong
* @date 2020-01-05 21:00
*/
public static String sendPost(String url, String param) {
System.out.println("\n==============================POST请求开始==============================");
PrintWriter out = null;
BufferedReader in = null;
String result = "";
try {
URL realUrl = new URL(url);
// 打开和URL之间的连接
URLConnection conn = realUrl.openConnection();
// 设置通用的请求属性
conn.setRequestProperty("accept", "*/*");
conn.setRequestProperty("connection", "Keep-Alive");
conn.setRequestProperty("user-agent",
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
// 发送POST请求必须设置如下两行
conn.setDoOutput(true);
conn.setDoInput(true);
// 获取URLConnection对象对应的输出流
out = new PrintWriter(conn.getOutputStream());
// 发送请求参数
out.print(param);
// flush输出流的缓冲
out.flush();
// 定义BufferedReader输入流来读取URL的响应
in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
String line;
while ((line = in.readLine()) != null) {
result += line;
}
} catch (Exception e) {
System.out.println("发送 POST 请求出现异常！" + e);
e.printStackTrace();
}
//使用finally块来关闭输出流、输入流
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请求结果：" + result);
System.out.println("==============================POST请求结束==============================\n");
return result;
}
/**
* @param url 请求url，若有参数，则拼在里面
* @return 所代表远程资源的响应结果
* @description 发送GET请求，参数拼在url里
* @author: liyinlong
* @date 2020-01-05 21:56
*/
public static String sendGet(String url) {
System.out.println("\n==============================GET请求开始==============================");
String result = "";
BufferedReader in = null;
try {
String urlNameString = url;
URL realUrl = new URL(urlNameString);
// 打开和URL之间的连接
URLConnection connection = realUrl.openConnection();
// 设置通用的请求属性
connection.setRequestProperty("accept", "*/*");
connection.setRequestProperty("connection", "Keep-Alive");
connection.setRequestProperty("user-agent",
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
// 建立实际的连接
connection.connect();
// 获取所有响应头字段
Map<String, List<String>> map = connection.getHeaderFields();
// 遍历所有的响应头字段
/* for (String key : map.keySet()) {
System.out.println(key + "--->" + map.get(key));
}*/
// 定义 BufferedReader输入流来读取URL的响应
in = new BufferedReader(new InputStreamReader(
connection.getInputStream()));
String line;
while ((line = in.readLine()) != null) {
result += line;
}
} catch (Exception e) {
System.out.println("发送GET请求出现异常！" + e);
e.printStackTrace();
}
// 使用finally块来关闭输入流
finally {
try {
if (in != null) {
in.close();
}
} catch (Exception e2) {
e2.printStackTrace();
}
}
System.out.println("url:" + url);
System.out.println("GET请求结果：" + result);
System.out.println("==============================GET请求结束==============================\n");
return result;
}
}