redis操作的工具类
- import java.util.Map;
- import org.apache.log4j.Logger;
- import redis.clients.jedis.Jedis;
- import com.chanjet.gov.service.Const;
- public class RedisUtil {
- public static Logger logger = Logger.getLogger(RedisUtil.class);
- private Jedis jedis;
- private Jedis jedisForIP;
- private RedisHelper() {//每次从池里取新连接
- this.jedis = Const.pool.getResource();
- this.jedis.select(11);
- this.jedisForIP = this.jedis;
- }
- public static RedisHelper getInstance() {
- RedisHelper instance = new RedisHelper();
- // if(!instance.jedis.isConnected()){
- // instance.jedis.connect();
- // }
- //
- // //如果读取失败,关闭并重新连接
- // try{
- // String v = instance.jedis.get("test_connect");
- // }catch(Exception e){
- // instance.jedis.close();
- // instance.jedis.connect();
- // }
- return instance;
- }
- public Jedis getClient() {
- return jedis;
- }
- public Jedis getClientForIP() {
- return jedisForIP;
- }
- public void saveCache(String k, String v) {
- try{
- jedis.set(k, v);
- }catch (Exception e){
- e.printStackTrace();
- logger.error("saveCache",e);
- Const.pool.returnBrokenResource(jedis);
- }finally {
- Const.pool.returnResource(jedis);
- }
- }
- public void saveKeyCache(String id, String k, String v) {
- try{
- jedis.hset(id, k, v);
- }catch (Exception e){
- e.printStackTrace();
- logger.error("saveKeyCache",e);
- Const.pool.returnBrokenResource(jedis);
- }finally {
- Const.pool.returnResource(jedis);
- }
- }
- public void saveAllKeyCache(String id, Map kv) {
- try{
- jedis.hmset(id, kv);
- }catch (Exception e){
- e.printStackTrace();
- logger.error("saveAllKeyCache",e);
- Const.pool.returnBrokenResource(jedis);
- }finally {
- Const.pool.returnResource(jedis);
- }
- }
- public void clearKeyCache(String id, String k) {
- try{
- jedis.hdel(id, k);
- }catch (Exception e){
- e.printStackTrace();
- logger.error("clearKeyCache",e);
- Const.pool.returnBrokenResource(jedis);
- }finally {
- Const.pool.returnResource(jedis);
- }
- }
- public String getCache(String k) {
- String v = "";
- try{
- v = jedis.get(k);
- }catch (Exception e){
- e.printStackTrace();
- logger.error("getCache",e);
- Const.pool.returnBrokenResource(jedis);
- }finally {
- Const.pool.returnResource(jedis);
- }
- return v;
- }
- public String getKeyCache(String id, String k) {
- String v = "";
- try{
- v = jedis.hget(id, k);
- }catch (Exception e){
- e.printStackTrace();
- logger.error("getKeyCache",e);
- Const.pool.returnBrokenResource(jedis);
- }finally {
- Const.pool.returnResource(jedis);
- }
- return v;
- }
- public Map getAllKeyCache(String id) {
- Map v = null;
- try{
- v = jedis.hgetAll(id);
- }catch (Exception e){
- e.printStackTrace();
- logger.error("getAllKeyCache",e);
- Const.pool.returnBrokenResource(jedis);
- }finally {
- Const.pool.returnResource(jedis);
- }
- return v;
- // Map v = jedis.hgetAll(id);
- // return v;
- }
- public void clearCache(String id) {
- try{
- jedis.del(id);
- }catch (Exception e){
- e.printStackTrace();
- logger.error("clearCache",e);
- Const.pool.returnBrokenResource(jedis);
- }finally {
- Const.pool.returnResource(jedis);
- }
- // jedis.del(id);
- }
- }
使用
- String needLogin = RedisUtil.getInstance().getKeyCache(cid,"needJsonp");
- String password = RedisUtil.getInstance().getKeyCache(id,"password");