ssm开发使用redis作为缓存的使用步骤

2023-09-06 08:31:04 344

packageorg.slsale.common; importredis.clients.jedis.Jedis; importredis.clients.jedis.JedisPool; /** *jedisAPI *@authorluzhewu * */ publicclassRedisAPI{ publicJedisPooljedisPool;//redis连接池对象 publicJedisPoolgetJedisPool(){ returnjedisPool; } publicvoidsetJedisPool(JedisPooljedisPool){ this.jedisPool=jedisPool; } /** *setkeyandvaluetpredis *@paramkey *@paramvalue *@return */ publicbooleanset(Stringkey,Stringvalue){ Jedisjedis=null; try{ jedis=jedisPool.getResource();//获取jedis对象 jedis.set(key,value); returntrue; }catch(Exceptione){ e.printStackTrace(); }finally{ //返还到连接池 returnResource(jedisPool,jedis); } returnfalse; } /** *判断某个key是否存在 *@paramkey *@return */ publicbooleanexist(Stringkey){ Jedisjedis=null; try{ jedis=jedisPool.getResource(); returnjedis.exists(key); }catch(Exceptione){ e.printStackTrace(); }finally{ //返还到连接池 returnResource(jedisPool,jedis); } returnfalse; } /** *通过key获取value *@paramkey *@return */ publicStringget(Stringkey){ Stringvalue=null; Jedisjedis=null; try{ jedis=jedisPool.getResource(); value=jedis.get(key); }catch(Exceptione){ e.printStackTrace(); }finally{ //返还到连接池 returnResource(jedisPool,jedis); } returnvalue; } /** *返还到连接池 *@paramjedisPool *@paramjedis */ publicstaticvoidreturnResource(JedisPooljedisPool,Jedisjedis){ if(jedis!=null){ jedisPool.returnResource(jedis); } } }

ssm开发使用redis作为缓存的使用步骤

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