jedis是redis的java客戶端，spring將redis連接池作為一個bean配置。
redis連接池分為兩種，一種是“redis.clients.jedis.shardedjedispool”，這是基于hash算法的一種分布式集群redis客戶端連接池。
另一種是“redis.clients.jedis.jedispool”，這是單機環(huán)境適用的redis連接池。
maven導(dǎo)入相關(guān)包：
|
1
2
3
4
5
6
|
<!-- redis依賴包 --><dependency> <groupid>redis.clients</groupid> <artifactid>jedis</artifactid> <version>2.9.0</version></dependency> |
shardedjedispool是redis集群客戶端的對象池，可以通過他來操作shardedjedis，下面是shardedjedispool的xml配置，spring-jedis.xml：
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
<?xml version="1.0" encoding="utf-8"?><beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/xmlschema-instance" xmlns:context="http://www.springframework.org/schema/context" xsi:schemalocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd"> <!-- 引入jedis的properties配置文件 --> <!--如果你有多個數(shù)據(jù)源需要通過<context:property-placeholder管理，且不愿意放在一個配置文件里，那么一定要加上ignore-unresolvable=“true"--> <context:property-placeholder location="classpath:properties/redis.properties" ignore-unresolvable="true" /> <!--shardedjedispool的相關(guān)配置--> <bean id="jedispoolconfig" class="redis.clients.jedis.jedispoolconfig"> <!--新版是maxtotal，舊版是maxactive--> <property name="maxtotal"> <value>${redis.pool.maxactive}</value> </property> <property name="maxidle"> <value>${redis.pool.maxidle}</value> </property> <property name="testonborrow" value="true"/> <property name="testonreturn" value="true"/> </bean> <bean id="shardedjedispool" class="redis.clients.jedis.shardedjedispool" scope="singleton"> <constructor-arg index="0" ref="jedispoolconfig" /> <constructor-arg index="1"> <list> <bean class="redis.clients.jedis.jedisshardinfo"> <constructor-arg name="host" value="${redis.uri}" /> </bean> </list> </constructor-arg> </bean></beans> |
下面是單機環(huán)境下redis連接池的配置：
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
<?xml version="1.0" encoding="utf-8"?><beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/xmlschema-instance" xmlns:context="http://www.springframework.org/schema/context" xsi:schemalocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd"> <!-- 引入jedis的properties配置文件 --> <!--如果你有多個數(shù)據(jù)源需要通過<context:property-placeholder管理，且不愿意放在一個配置文件里，那么一定要加上ignore-unresolvable=“true"--> <context:property-placeholder location="classpath:properties/redis.properties" ignore-unresolvable="true" /> <!--jedis連接池的相關(guān)配置--> <bean id="jedispoolconfig" class="redis.clients.jedis.jedispoolconfig"> <!--新版是maxtotal，舊版是maxactive--> <property name="maxtotal"> <value>${redis.pool.maxactive}</value> </property> <property name="maxidle"> <value>${redis.pool.maxidle}</value> </property> <property name="testonborrow" value="true"/> <property name="testonreturn" value="true"/> </bean> <bean id="jedispool" class="redis.clients.jedis.jedispool"> <constructor-arg name="poolconfig" ref="jedispoolconfig" /> <constructor-arg name="host" value="${redis.host}" /> <constructor-arg name="port" value="${redis.port}" type="int" /> <constructor-arg name="timeout" value="${redis.timeout}" type="int" /> <constructor-arg name="password" value="${redis.password}" /> <constructor-arg name="database" value="${redis.database}" type="int" /> </bean></beans> |
對應(yīng)的classpath:properties/redis.properties.xml為：
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
|
#最大分配的對象數(shù)redis.pool.maxactive=200#最大能夠保持idel狀態(tài)的對象數(shù)redis.pool.maxidle=50redis.pool.minidle=10redis.pool.maxwaitmillis=20000#當池內(nèi)沒有返回對象時，最大等待時間redis.pool.maxwait=300#格式：redis://:[密碼]@[服務(wù)器地址]:[端口]/[db index]redis.uri = redis://:[email protected]:6379/0redis.host = 127.0.0.1redis.port = 6379redis.timeout=30000redis.password = 12345redis.database = 0 |
二者操作代碼類似，都是先注入連接池，然后通過連接池獲得jedis實例，通過實例對象操作redis。
shardedjedis操作：
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
|
@autowiredprivate shardedjedispool shardedjedispool;//注入shardedjedispool@requestmapping(value = "/demo_set",method = requestmethod.get)@responsebodypublic string demo_set(){ //獲取shardedjedis對象 shardedjedis shardjedis = shardedjedispool.getresource(); //存入鍵值對 shardjedis.set("key1","hello jedis"); //回收shardedjedis實例 shardjedis.close(); return "set";}@requestmapping(value = "/demo_get",method = requestmethod.get)@responsebodypublic string demo_get(){ shardedjedis shardedjedis = shardedjedispool.getresource(); //根據(jù)鍵值獲得數(shù)據(jù) string result = shardedjedis.get("key1"); shardedjedis.close(); return result;} |
jedis操作：
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
|
@autowiredprivate jedispool jedispool;//注入jedispool@requestmapping(value = "/demo_set",method = requestmethod.get)@responsebodypublic string demo_set(){ //獲取shardedjedis對象 jedis jedis = jedispool.getresource(); //存入鍵值對 jedis.set("key2","hello jedis one"); //回收shardedjedis實例 jedis.close(); return "set";}@requestmapping(value = "/demo_get",method = requestmethod.get)@responsebodypublic string demo_get(){ jedis jedis = jedispool.getresource(); //根據(jù)鍵值獲得數(shù)據(jù) string result = jedis.get("key2"); jedis.close(); return result;} |
總結(jié)
以上就是這篇文章的全部內(nèi)容了，希望本文的內(nèi)容對大家的學(xué)習(xí)或者工作具有一定的參考學(xué)習(xí)價值，謝謝大家對服務(wù)器之家的支持。如果你想了解更多相關(guān)內(nèi)容請查看下面相關(guān)鏈接
原文鏈接：https://blog.csdn.net/u014320421/article/details/80576232
