xiongan-meeting/ics-web/src/main/java/com/ics/controller/mobile/SmallWxOkHttp.java

package com.ics.controller.mobile;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import okhttp3.*;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

public class SmallWxOkHttp {

    static String APP_ID = "wxa29895567831500a";
    static String SECRET = "46a11f73665fffaa888061d806661a93";

    public static JSONObject sendGet(String url , Map<String, String> map){
        OkHttpClient client = new OkHttpClient();
        // 创建url
        HttpUrl.Builder urlBuilder = HttpUrl.parse(url).newBuilder();
        // 添加参数
        if(map != null){
            for (Map.Entry<String, String> entry : map.entrySet()) {
                urlBuilder.addQueryParameter(entry.getKey(), entry.getValue());
            }
        }
        // 创建请求
        Request request = new Request.Builder()
                .url(urlBuilder.build().toString())
                .build();
        try {
            Response response = client.newCall(request).execute();
            String resultStr = response.body().string();
            System.out.println(resultStr);
            return  JSON.parseObject(resultStr);
        } catch (IOException e) {
            e.printStackTrace();
            throw new RuntimeException(e);
        }
    }

    public static JSONObject sendPost(String url, Map<String , String> paramMap) {
        if(paramMap == null){
            paramMap = new HashMap<>();
        }
        String jsonString = JSON.toJSONString(paramMap);
        OkHttpClient client = new OkHttpClient().newBuilder().build();
        RequestBody body = RequestBody.create(MediaType.parse("application/json; charset=utf-8"), jsonString);
        Request request = new Request.Builder()
                .post(body)
                .url(url)
                .build();
        Call call = client.newCall(request);
        //返回请求结果
        try {
            Response response = call.execute();
            String resultStr = response.body().string();
            System.out.println(resultStr);
            return  JSON.parseObject(resultStr);
        } catch (IOException e) {
            e.printStackTrace();
            throw new RuntimeException(e);
        }
    }

    /**
     * 获取AccessToken
     */
    public static String getAccessToken(){
        // url
        String url = "https://api.weixin.qq.com/cgi-bin/token";
        // 参数
        Map<String, String> map = new HashMap<>();
        map.put("grant_type", "client_credential");
        map.put("appid", APP_ID);
        map.put("secret", SECRET);
        // 发送请求
        JSONObject jsonObject = sendGet(url, map);
        String accessToken =  jsonObject.getString("access_token");
        String expiresIn =  jsonObject.getString("expires_in");
        return accessToken;
    }

    /**
     * 小程序登录
     */
    public static JSONObject code2Session(String jsCode){
        // url
        String url = "https://api.weixin.qq.com/sns/jscode2session";
        // 参数
        Map<String, String> map = new HashMap<>();
        map.put("appid", APP_ID);
        map.put("secret", SECRET);
        map.put("js_code", jsCode);
        map.put("grant_type", "authorization_code");
        // 发送请求
        JSONObject jsonObject = sendGet(url, map);
        return jsonObject;
    }

    /**
     * 获取手机号
     */
    public static JSONObject getPhoneNumber(String code, String openid, String accessToken){
        // url
        String url = "https://api.weixin.qq.com/wxa/business/getuserphonenumber?access_token=" + accessToken;
        // 参数
        Map<String, String> map = new HashMap<>();
        map.put("code", code);
        map.put("openid", openid);
        // 发送请求
        JSONObject jsonObject = sendPost(url, map);
        return jsonObject;
    }


    public static void main(String[] args) {
//        getAccessToken();
        getPhoneNumber("", "", "74_NGF_xru4Mt5gDVperBd9LYwtMjWaXGb7JNleZ-nqSOSGvtW3vIGYKkFY0ymMFn2aLYZaN9d1rAZ65X5X-mGX556bWQWFy1mawkWUorOvz37QH34q2YBJjsDCih8FYOfAHAWPF");
    }

}