935090232@qq.com
2022-04-20 dc88fd134d48713f0e941ffb5af2d7ce2d475ed7
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package com.matrix.system.shopXcx.api;
 
import com.matrix.component.tools.HttpRequest;
import com.matrix.component.tools.HttpResponse;
import com.matrix.core.exception.GlobleException;
import com.matrix.core.tools.LogUtil;
import com.matrix.core.tools.StringUtils;
import net.sf.json.JSONObject;
 
import java.io.IOException;
 
/***
 * 公众号api工具
 */
public class WeChatGzhApiTools {
    /**
     * 公众号秘钥
     */
    private static final String GZH_SECRET = "gzh_secret";
    /**
     * 公众号appid
     */
    private static final String GZH_APPID = "gzh_appid";
    /**
     * 微信登录url
     */
    private static final String WECHAT_LOGIN_URL = "wechar_login_url";
 
    /**
     * 上一次获取时间
     */
    private static Long preTime;
 
    /**
     * 当前有效的微信token
     */
    private static String accessToken = "";
 
    private static String appid = "";
    private static String secret = "";
 
 
 
 
 
    /**
     * 清空token
     */
    public static void cleanAccessToken() {
        preTime = null;
        accessToken = "";
    }
 
    public static String getAccessToken(String gzhAppId, String gzhSecret) {
 
        if (isTokenInvalid()) {
            synchronized (accessToken) {
                if (isTokenInvalid()) {
                    LogUtil.info("刷新微信accessToken");
                    HttpRequest reqObj = new HttpRequest();
                    HttpResponse result = null;
                    try {
                        result = reqObj
                                .sendHttpGet("https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid="
                                        + gzhAppId+ "&secret=" + gzhSecret, null);
                    } catch (IOException e) {
                        LogUtil.error("获取公众号accessToken失败"+e.getMessage(),e);
                        throw new GlobleException(e.getMessage());
                    }
                    JSONObject json = JSONObject.fromObject(result.getDataString());
 
                    if(json.has("errmsg")){
                        throw new GlobleException("获取返回刷新的accessToken失败"+json.toString());
                    }else{
                        String access_token = json.getString("access_token");
                        accessToken = access_token;
                        preTime = System.currentTimeMillis();
                        LogUtil.info("返回刷新的accessToken={}", accessToken);
                        return access_token;
                    }
 
                } else {
                    return accessToken;
                }
            }
        } else {
            LogUtil.info("返回现有accessToken={}", accessToken);
            return accessToken;
        }
    }
 
    /**
     * token是否无效
     *  TODO 由于现在有多个环境,为了防止冲突每次都获取新的token
     * @return
     */
    private static boolean isTokenInvalid() {
        /**        if (StringUtils.isNotBlank(accessToken) && preTime != null) {
         Long now = System.currentTimeMillis() / 1000;
         Long pre = preTime / 1000;
         boolean invalid = (now - pre) > 6200;
         return invalid;
         } else {
         return true;
         }*/
        return true;
    }
 
 
}