Summary notes on common operations of Jedis

Public class TestRedis {private Jedis jedis; @ Before / / Junit Note public void setup () {/ / Connect to the redis server, 192.168.0.100 public void setup 6379 / / jedis object instantiation two ways jedis = new Jedis ("192.168.0.100", 6379); jedis = RedisClient.getResource (); / / permission authentication jedis.auth ("admin") } / * redis storage string * / @ Test public void testString () {/ /-add data-jedis.flushDB (); jedis.set ("name", "annie"); / / put value-- > System.out.println ("name") into key-- > name / / execution result: xinxin jedis.setnx ("name", "bill"); / / No System.out.println (jedis.get ("name")); jedis.append ("name", "is my a girl"); / / stitching System.out.println of value (jedis.get ("name")) Jedis.del ("name"); / / delete a key System.out.println (jedis.get ("name")); / / set the expiration time (in seconds, jedis.setex ("sql", 2, "mysql"); System.out.println (jedis.get ("sql") Try {Thread.sleep (3000);} catch (InterruptedException e) {e.printStackTrace ();} System.out.println (jedis.get ("sql")); / / set multiple key-value pairs jedis.mset ("name", "annie", "age", "22", "tel", "1517252pairs *") Jedis.incr ("age"); / add 1 operation / / mget returns the list collection System.out.println (jedis.mget ("name", "age", "tel")) } / * jedis operation List * / @ Test public void testList () {/ / first remove all content jedis.del ("framework"); System.out.println (jedis.lrange ("framework", 0mairel1)); / / store three pieces of data jedis.lpush ("framework", "spring") from the framework header Jedis.lpush ("framework", "struts"); jedis.lpush ("framework", "hibernate"); / / the first is key, the second is the start position, the third is the end position,-1 means to get all the System.out.println (jedis.lrange ("framework", 0mam 1); System.out.println ("framework", 0j2)) / / contains 2 subscript / / jedis.llen ("framework"); / / gets the list length jedis.del ("framework"); / / stores three pieces of data jedis.rpush ("framework", "spring") from the tail of framework; jedis.rpush ("framework", "struts") Jedis.rpush ("framework", "hibernate"); System.out.println (jedis.lrange ("framework") / / linsert adds a string element / / eg:linsert mylist3 before "world"there" / / redis 127.0.0.1 list 6379 > lrange mylist3 0-11) "hello" 2) "there" before or after the specific position of the corresponding list in the eg:linsert mylist3 before 3) "world" / / get the list length System.out.println (jedis.llen ("sql")) / sort / / System.out.println (); jedis.lset ("sql", 0, "oracle"); / / get the value System.out.println (jedis.lindex ("sql", 0) whose subscript is 0 for a list / / delete data / / lrem delete count same elements as value from the corresponding list of key / / eg: lrem mylist5 2 "hello" / / count > 0: delete count from beginning to end