/**
* 从微信得到accessToken的凭证
*
* @return
*/
public static RecevieToken getAccessToken() {
// 取缓存
RecevieToken recevieToken =
(RecevieToken) CacheKit.get(DictKeys.cache_name_system, weixin_access_token);
if (null != recevieToken) {
// 判断是否有效
long interval = (new Date().getTime() - recevieToken.getDate().getTime()) / 1000; // 存在时间，秒
long expires_in =
Long.parseLong(recevieToken.getExpires_in()) - 200; // 凭证有效时间，单位：秒 ，默认有效期为7200秒
if (interval > expires_in) {
recevieToken = getAccessTokenCommon();
}
} else {
recevieToken = getAccessTokenCommon();
}
return recevieToken;
}
/**
* 从微信得到accessToken的凭证公共代码块
*
* @return
*/
private static RecevieToken getAccessTokenCommon() {
// 参数配置的 appID
Param paramAppId =
(Param)
CacheKit.get(
DictKeys.cache_name_system, ThreadParamInit.cacheStart_param + weixin_appID_key);
String weixin_appID = paramAppId.getStr("val");
// 参数配置的 appSecret
Param paramAppSecret =
(Param)
CacheKit.get(
DictKeys.cache_name_system,
ThreadParamInit.cacheStart_param + weixin_appSecret_key);
String weixin_appSecret = paramAppSecret.getStr("val");
// 获取地址和参数
StringBuilder sb = new StringBuilder();
sb.append(weixin_token_url).append("?").append("grant_type=client_credential");
sb.append("&appid=").append(weixin_appID);
sb.append("&secret=").append(weixin_appSecret);
try {
// 获取
String jsonStr = ToolHttp.get(true, sb.toString());
RecevieToken recevieToken = JSON.parseObject(jsonStr, RecevieToken.class);
if (recevieToken.getAccess_token() != null && !recevieToken.getAccess_token().isEmpty()) {
recevieToken.setDate(new Date()); // 设置获取时间
// 放入缓存
CacheKit.put(DictKeys.cache_name_system, weixin_access_token, recevieToken);
log.info("获取AccessToken：" + jsonStr);
return recevieToken;
}
return null;
} catch (Exception e) {
log.error("ToolWeiXin.getAccessToken从微信得到accessToken的凭证异常");
return null;
}
}