java——本地缓存（hutool）/分布式缓存（Redis）
package test01;
import cn.hutool.cache.CacheUtil;
import cn.hutool.cache.impl.TimedCache;
import cn.hutool.core.util.StrUtil;
import cn.hutool.http.HttpUtil;
import cn.hutool.json.JSONUtil;
import com.shylFm.web.util.Redis.RedisCache;
import org.springframework.beans.factory.annotation.Autowired;
import java.util.concurrent.TimeUnit;
public class Main {
private TimedCache<Object, Object> cache = CacheUtil.newTimedCache(7200 * 1000);
/**
* 本地缓存
*
* @return String
*/
public String WXgetAccessToken() {
String accessToken = String.valueOf(cache.get("accessToken"));
if (StrUtil.isEmptyOrUndefined(accessToken)) {
// 请求获取accessToken
String appid = "";
String secret = "";
String data_str = HttpUtil.get("/cgi-bin/token?grant_type=client_credential&apptoken operator">+ appid + "&secret=" + secret);
accessToken = JSONUtil.parseObj(data_str).getStr("access_token");
cache.put("accessToken", accessToken);
}
return accessToken;
}
@Autowired
public RedisCache redisCache;
/**
* redis分布式缓存
*
* @return String
*/
public String redisGetAccessToken() {
String accessToken = String.valueOf(redisCache.getCacheObject("accessToken"));
if (StrUtil.isEmptyOrUndefined(accessToken)) {
// 请求获取accessToken
String appid = "";
String secret = "";
String data_str = HttpUtil.get("/cgi-bin/token?grant_type=client_credential&apptoken operator">+ appid + "&secret=" + secret);
accessToken = JSONUtil.parseObj(data_str).getStr("access_token");
redisCache.setCacheObject("accessToken", accessToken, 7200 * 1000, TimeUnit.MILLISECONDS);
}
return accessToken;
}
}