spring整合redis简单demo
2018-01-24 00:27
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这里利用spring-data-redis整合redis
1.首先是项目结构
2.配置所需依赖
3.配置redis链接
5.我的配置文件application.properties
6.写dao类型,使用redisTemplate模版类
7.开始测试redis
测试过程中,若出现下面问题
1.Could not get a resource from the pool, Connection refused: connect
2.DENIED Redis is running in protected mode because protected mode is enabled…
参考http://blog.csdn.net/yingxiake/article/details/51472810
demo地址https://github.com/liuxg2013/spring-redis-.git
1.首先是项目结构
2.配置所需依赖
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>com.example</groupId> <artifactId>redis</artifactId> <version>0.0.1-SNAPSHOT</version> <packaging>jar</packaging> <name>redis</name> <url>http://maven.apache.org</url> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> </properties> <dependencies> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.12</version> <scope>test</scope> </dependency> <dependency> <groupId>org.springframework.data</groupId> <artifactId>spring-data-redis</artifactId> <version>1.7.1.RELEASE</version> </dependency> <dependency> <groupId>redis.clients</groupId> <artifactId>jedis</artifactId> <version>2.8.0</version> </dependency> </dependencies> </project>
3.配置redis链接
<?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:p="http://www.springframework.org/schema/p" 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 "> <context:component-scan base-package="com.example.redis.dao" /> <context:property-placeholder location="classpath:application.properties" /> <!-- 连接池配置 --> <bean id="jpoolConfig" class="redis.clients.jedis.JedisPoolConfig" p:maxIdle="${redis.maxIdle}" p:maxWaitMillis="${redis.maxWait}" p:testOnBorrow="${redis.testOnBorrow}" /> <!--链接配置 --> <bean id="jconnectionFactory" class="org.springframework.data.redis.connection.jedis.JedisConnectionFactory" p:hostName="${redis.host}" p:port="${redis.port}" p:poolConfig-ref="jpoolConfig" p:password="${redis.pass}"/> <!-- Redis模版类,用于操作redis --> <bean id="redisTemplate" class="org.springframework.data.redis.core.RedisTemplate" p:connectionFactory-ref="jconnectionFactory"> </bean> </beans>
5.我的配置文件application.properties
#链接配置 redis.host=192.168.0.104 redis.port=6379 redis.pass=123 #连接池配置 redis.maxIdle=300 redis.maxWait=1000 redis.testOnBorrow=true
6.写dao类型,使用redisTemplate模版类
@Repository public class UserDao { @Autowired protected RedisTemplate<Serializable, Serializable> redisTemplate; public void saveUser(final User user) { redisTemplate.execute(new RedisCallback<Object>() { public Object doInRedis(RedisConnection connection) throws DataAccessException { connection.set(redisTemplate.getStringSerializer().serialize(user.getId() + ""), redisTemplate.getStringSerializer().serialize(user.getName())); return null; } }); } public User getUser(final long id) { return redisTemplate.execute(new RedisCallback<User>() { public User doInRedis(RedisConnection connection) throws DataAccessException { byte[] key = redisTemplate.getStringSerializer().serialize(id + ""); if (connection.exists(key)) { byte[] value = connection.get(key); String name = redisTemplate.getStringSerializer().deserialize(value); User user = new User(); user.setName(name); user.setId(id); return user; } return null; } }); } }
7.开始测试redis
public class App { @SuppressWarnings("resource") public static void main( String[] args ) { ApplicationContext ac = new ClassPathXmlApplicationContext("classpath:/applicationContext.xml"); UserDao userDAO = (UserDao)ac.getBean("userDao"); User user = new User(); user.setId(1); user.setName("liuxg"); userDAO.saveUser(user); User liuxg = userDAO.getUser(1); System.out.println(liuxg.getName()); } }
测试过程中,若出现下面问题
1.Could not get a resource from the pool, Connection refused: connect
2.DENIED Redis is running in protected mode because protected mode is enabled…
参考http://blog.csdn.net/yingxiake/article/details/51472810
demo地址https://github.com/liuxg2013/spring-redis-.git
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