Detailed introduction to the creation and deletion of custom menus in WeChat public platform development

package com.cc.wechat.util;
 
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.URL;
 
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSocketFactory;
import javax.net.ssl.TrustManager;
 
/**
 * 公众平台通用接口工具类
 * @author ICHN
 * 2015-09-04
 */
public class CommonUtil {
 
    /**
     * 发起https请求并获取结果
     * @param requestUrl 请求地址
     * @param requestMethod 请求方式（GET、POST）
     * @param outputStr  提交的数据
     * @return JSONObject(通过JSONObject.get(key)的方式获取json对象的属性值)
     */
    public static String httpsRequest(String requestUrl, String requestMethod, String outputStr) {
         
        StringBuffer sb = new StringBuffer();
         
        // 创建SSLContext对象，并使用我们指定的信任管理器初始化
        TrustManager[] tm = {new MyX509TrustManager()};
         
        try {
            SSLContext sslContext = SSLContext.getInstance("SSL", "SunJSSE");
            sslContext.init(null, tm, new java.security.SecureRandom());
             
            // 从上述SSLContext对象中得到SSLSocketFactory对象
            SSLSocketFactory ssf = sslContext.getSocketFactory();
             
            URL url = new URL(requestUrl);
            HttpsURLConnection httpsUrlConnection = (HttpsURLConnection)url.openConnection();
            httpsUrlConnection.setSSLSocketFactory(ssf);
            httpsUrlConnection.setDoInput(true);
            httpsUrlConnection.setDoOutput(true);
            httpsUrlConnection.setUseCaches(false);
            // 设置请求方式(GET/POST)
            httpsUrlConnection.setRequestMethod(requestMethod);
             
            //对请求方式进行判断 equalsIgnoreCase不区分大小写
            if("GET".equalsIgnoreCase(requestMethod)) {
                //建立连接
                httpsUrlConnection.connect();
            }
             
            //当有数据需要提交时
            if(null != outputStr) {
                OutputStream os = httpsUrlConnection.getOutputStream();
                // 注意编码格式，防止中文乱码
                os.write(outputStr.getBytes("UTF-8"));
                os.close();
            }
             
            //将返回的输入流转换成字符串
            InputStream is = httpsUrlConnection.getInputStream();
            InputStreamReader isr = new InputStreamReader(is, "UTF-8");
            BufferedReader br = new BufferedReader(isr);
             
            String strLine = null;
             
            while((strLine = br.readLine()) != null) {
                sb.append(strLine);
            }
             
            br.close();
            isr.close();
             
            //释放资源
            is.close();
            is = null;
             
        } catch (Exception e) {
            e.printStackTrace();
        }
         
        return sb.toString();
    }
}

package com.cc.wechat.menu;
 
/**
 * 菜单按钮
 * @author ICHN
 */
public class Button {
 
    //菜单标题，不超过16个字节，子菜单不超过40个字节
    private String name;
 
    public String getName() {
        return name;
    }
 
    public void setName(String name) {
        this.name = name;
    }
}

package com.cc.wechat.menu;
 
/**
 * click类型按钮
 * @author ICHN
 *
 */
public class ClickButton extends Button{
 
    //菜单的响应动作类型 
    private String type;
    //菜单KEY值，用于消息接口推送，不超过128字节 
    private String key;
     
    public String getType() {
        return type;
    }
    public void setType(String type) {
        this.type = type;
    }
    public String getKey() {
        return key;
    }
    public void setKey(String key) {
        this.key = key;
    }
}

package com.cc.wechat.menu;
 
/**
 * 二级菜单数组
 * 个数应为1~5个
 * @author ICHN
 *
 */
public class ComplexButton extends Button {
 
    //二级菜单数组
    private Button[] sub_button;
 
    public Button[] getSub_button() {
        return sub_button;
    }
 
    public void setSub_button(Button[] sub_button) {
        this.sub_button = sub_button;
    }
}

package com.cc.wechat.menu;
 
/**
 * 菜单
 * @author ICHN
 *
 */
public class Menu {
 
    private Button[] button;
 
    public Button[] getButton() {
        return button;
    }
 
    public void setButton(Button[] button) {
        this.button = button;
    }
}

package com.cc.wechat.menu;
 
/**
 * view类型按钮
 * @author ICHN
 *
 */
public class ViewButton extends Button {
 
    //菜单的响应动作类型 
    private String type;
    //网页链接，用户点击菜单可打开链接，不超过256字节
    private String url;
     
    public String getType() {
        return type;
    }
    public void setType(String type) {
        this.type = type;
    }
    public String getUrl() {
        return url;
    }
    public void setUrl(String url) {
        this.url = url;
    }
}

package com.cc.wechat.test;
 
import com.cc.wechat.util.CommonUtil;
 
/**
 * 获取access_token
 * @author ICHN
 * 测试账号的appID和appsecret
 * 
 * access_token是公众号的全局唯一票据，公众号调用各接口时都需使用access_token。
 * 开发者需要进行妥善保存。access_token的存储至少要保留512个字符空间。
 * access_token的有效期目前为2个小时，需定时刷新，
 * 重复获取将导致上次获取的access_token失效
 */
public class GetAccessToken {
 
    public static void main(String[] args) {
         
        //打印出access_token
        System.out.println(CommonUtil.httpsRequest(
        "&secret=此处填写appsecret", 
        "GET",
         null
         )
        );
    }
}

package com.cc.wechat.test;
 
import net.sf.json.JSONObject;
 
import com.cc.wechat.menu.Button;
import com.cc.wechat.menu.ClickButton;
import com.cc.wechat.menu.ComplexButton;
import com.cc.wechat.menu.Menu;
import com.cc.wechat.util.CommonUtil;
/**
 * 执行菜单的创建
 * @author ICHN
 *
 */
public class MenuTest {
 
    public static void main(String[] args) {
        /**
         * 按钮类型就两种：
         * click类型
         * view类型
         */
         
        /**
         *click类型
         * 二级菜单1
         * 所包含的二级菜单：
         *             clickButton_11
         *             ...
         * 可以定义5个
         */
        ClickButton clickButton_11 = new ClickButton();
        //设置按钮名称
        clickButton_11.setName("");
        //设置按钮类别 尊照微信开发文档给出的定义
        clickButton_11.setType("");
        //设置按钮key值
        clickButton_11.setKey("");
         
        //.....可以定义5个.....
         
        /**
         * 二级菜单2
         * 所包含的二级菜单：
         *         clickButton_21
         *      ...
         */
        ClickButton clickButton_21 = new ClickButton();
        clickButton_21.setName("");
        clickButton_21.setType("");
        clickButton_21.setKey("");
         
        /**
         * 定义一个一级菜单数组，
         * 个数应为1~3个
         */
        ClickButton button_3 = new ClickButton();
        button_3.setName("");
        button_3.setType("");
        button_3.setKey("");
         
        /**
         * 上面的二级菜单定义好后，
         * 用一个带二级菜单的按钮（ComplexButton）装起来
         */
         
        //一级菜单1
        ComplexButton complexButton1 = new ComplexButton();
        complexButton1.setName("一级菜单1");
        complexButton1.setSub_button(new Button[] {clickButton_11});
         
        //一级菜单2
        ComplexButton complexButton2 = new ComplexButton();
        complexButton2.setName("");
        complexButton2.setSub_button(new Button[] {clickButton_21});
         
        //一级菜单3定义在上面
         
        //用一个menu(相当于总菜单，在最外层)来把上面的菜单装起来
        Menu menu = new Menu();
        menu.setButton(new Button[] {complexButton1, complexButton2, button_3});
         
        //把menu转换为json数组
        String jsonMenu = JSONObject.fromObject(menu).toString();
         
        /**
         * 创建和删除都是采用https协议
         * http请求方式：POST（请使用https协议）
         */
        //创建菜单接口
        //https://api.weixin.qq.com/cgi-bin/menu/create?access_token=ACCESS_TOKEN
        String createRequest = CommonUtil.httpsRequest(
                //requestUrl
                "https://api.weixin.qq.com/cgi-bin/menu/create?access_token=此处填写上面GetAccessToken类获取的access_token", 
                //requestMethod
                "POST", 
                //outputStr
                jsonMenu
            );
         
        //打印出创建状态信息（同时执行创建）
        //System.out.println(createRequest);
         
        //删除菜单接口
        //https://api.weixin.qq.com/cgi-bin/menu/delete?access_token=ACCESS_TOKEN
        String deleteResult = CommonUtil.httpsRequest(
                "https://api.weixin.qq.com/cgi-bin/menu/delete?access_token=此处填写上面GetAccessToken类获取的access_token", 
                "POST", 
                jsonMenu
            );
         
        //打印出删除状态信息（同时执行删除）
        System.out.println(deleteResult);
    }
}