SpringBoot学习笔记(5) Spring Boot集成Redis实现自动配置
2016-09-20 13:37
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通过上面一些笔记的介绍,
我们可以自己动手去集成Redis, 没有什么难度的
还有Spring Boot官方提供了Spring-Data-Redis的Starter POM
有兴趣的可以查看下这篇资料
http://blog.didispace.com/springbootredis/?utm_source=tuicool&utm_medium=referral
整个项目的结构图是这样的
RedisConfiguration.java
RedisClient.java
App.java
application.yml
运行结果:
http://blog.csdn.net/a67474506/article/details/52013634
首先我们创建一个jedis-spring-boot-starter
pom.xml
目录结构是这样的
JedisProperties.java
JedisAutoConfiguration.java
RedisClient.java
还要在spring.factories里面配置
新建一个工程测试下
pom.xml
application.yml
App.java
测试结果
这里只是简单的写了下一个小demo,有兴趣的小伙伴可以自己去扩展更多的
比如实现集群连接, 分片连接,API扩展的更多一些
我们可以自己动手去集成Redis, 没有什么难度的
还有Spring Boot官方提供了Spring-Data-Redis的Starter POM
有兴趣的可以查看下这篇资料
http://blog.didispace.com/springbootredis/?utm_source=tuicool&utm_medium=referral
手动集成Redis
pom.xml<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.ibigsea</groupId> <artifactId>springboot-redis-demo</artifactId> <version>0.0.1-SNAPSHOT</version> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <boot.version>1.3.5.RELEASE</boot.version> </properties> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> <version>${boot.version}</version> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> <version>${boot.version}</version> <scope>test</scope> </dependency> <dependency> <groupId>redis.clients</groupId> <artifactId>jedis</artifactId> <version>2.8.2</version> </dependency> </dependencies> </project>
整个项目的结构图是这样的
RedisConfiguration.java
package com.ibigsea.springboot_redis_demo.config;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import redis.clients.jedis.JedisPool;
import redis.clients.jedis.JedisPoolConfig;
@Configuration
public class RedisConfiguration {
@Bean(name= "jedis.pool")
@Autowired
public JedisPool jedisPool(@Qualifier("jedis.pool.config") JedisPoolConfig config,
@Value("${jedis.pool.host}")String host,
@Value("${jedis.pool.port}")int port) {
return new JedisPool(config, host, port);
}
@Bean(name= "jedis.pool.config")
public JedisPoolConfig jedisPoolConfig (@Value("${jedis.pool.config.maxTotal}")int maxTotal,
@Value("${jedis.pool.config.maxIdle}")int maxIdle,
@Value("${jedis.pool.config.maxWaitMillis}")int maxWaitMillis) {
JedisPoolConfig config = new JedisPoolConfig();
config.setMaxTotal(maxTotal);
config.setMaxIdle(maxIdle);
config.setMaxWaitMillis(maxWaitMillis);
return config;
}
}RedisClient.java
package com.ibigsea.springboot_redis_demo.config;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPool;
/**
* 就一个小Demo 随便写下
* @author bigsea
*
*/
@Component
public class RedisClient {
@Autowired
private JedisPool jedisPool;
public void set(String key, String value) throws Exception {
Jedis jedis = null;
try {
jedis = jedisPool.getResource();
jedis.set(key, value);
} finally {
//返还到连接池
jedis.close();
}
}
public String get(String key) throws Exception {
Jedis jedis = null;
try {
jedis = jedisPool.getResource();
return jedis.get(key);
} finally {
//返还到连接池
jedis.close();
}
}
}App.java
package com.ibigsea.springboot_redis_demo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import com.ibigsea.springboot_redis_demo.config.RedisClient;
/**
* 是Spring Boot项目的核心注解,主要是开启自动配置
*/
@SpringBootApplication // same as @Configuration @EnableAutoConfiguration @ComponentScan
@RestController
public class App {
@Autowired
private RedisClient redisClinet;
public static void main(String[] args) {
SpringApplication.run(App.class, args);
}
@RequestMapping("/set")
public String set(String key, String value) throws Exception{
redisClinet.set(key, value);
return "success";
}
@RequestMapping("/get")
public String get(String key) throws Exception {
return redisClinet.get(key);
}
}application.yml
jedis : pool : host : 127.0.0.1 port : 6379 config : maxTotal: 100 maxIdle: 10 maxWaitMillis : 100000 server : port : 8082
运行结果:
实现自己的jedis-spring-boot-starter
一些自动配置的东西这里面有讲http://blog.csdn.net/a67474506/article/details/52013634
首先我们创建一个jedis-spring-boot-starter
pom.xml
<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.ibigsea</groupId> <artifactId>jedis-spring-boot-starter</artifactId> <version>1.0-SNAPSHOT</version> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <boot.version>1.3.5.RELEASE</boot.version> </properties> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot</artifactId> <version>${boot.version}</version> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-autoconfigure</artifactId> <version>${boot.version}</version> </dependency> <dependency> <groupId>redis.clients</groupId> <artifactId>jedis</artifactId> <version>2.8.2</version> </dependency> </dependencies> </project>
目录结构是这样的
JedisProperties.java
package com.ibigsea.jedis.autoconfigure;
import org.springframework.boot.context.properties.ConfigurationProperties;
@ConfigurationProperties(prefix = JedisProperties.JEDIS_PREFIX)
public class JedisProperties {
public static final String JEDIS_PREFIX = "jedis";
private String host;
private int port;
private int maxTotal;
private int maxIdle;
private int maxWaitMillis;
public String getHost() {
return host;
}
public void setHost(String host) {
this.host = host;
}
public int getPort() {
return port;
}
public void setPort(int port) {
this.port = port;
}
public int getMaxTotal() {
return maxTotal;
}
public void setMaxTotal(int maxTotal) {
this.maxTotal = maxTotal;
}
public int getMaxIdle() {
return maxIdle;
}
public void setMaxIdle(int maxIdle) {
this.maxIdle = maxIdle;
}
public int getMaxWaitMillis() {
return maxWaitMillis;
}
public void setMaxWaitMillis(int maxWaitMillis) {
this.maxWaitMillis = maxWaitMillis;
}
}JedisAutoConfiguration.java
package com.ibigsea.jedis.autoconfigure;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import com.ibigsea.jedis.client.RedisClient;
import redis.clients.jedis.JedisPool;
import redis.clients.jedis.JedisPoolConfig;
@Configuration
@EnableConfigurationProperties(JedisProperties.class)//开启属性注入,通过@autowired注入
@ConditionalOnClass(RedisClient.class)//判断这个类是否在classpath中存在
public class JedisAutoConfiguration {
@Autowired
private JedisProperties prop;
@Bean(name="jedisPool")
public JedisPool jedisPool() {
JedisPoolConfig config = new JedisPoolConfig();
config.setMaxTotal(prop.getMaxTotal());
config.setMaxIdle(prop.getMaxIdle());
config.setMaxWaitMillis(prop.getMaxWaitMillis());
return new JedisPool(config, prop.getHost(), prop.getPort());
}
@Bean
@ConditionalOnMissingBean(RedisClient.class)//容器中如果没有RedisClient这个类,那么自动配置这个RedisClient
public RedisClient redisClient(@Qualifier("jedisPool")JedisPool pool) {
RedisClient redisClient = new RedisClient();
redisClient.setJedisPool(pool);
return redisClient;
}
}RedisClient.java
package com.ibigsea.jedis.client;
import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPool;
/**
* 就一个小Demo 随便写下
* @author bigsea
*
*/
public class RedisClient {
private JedisPool jedisPool;
public void set(String key, String value) throws Exception {
Jedis jedis = null;
try {
jedis = jedisPool.getResource();
jedis.set(key, value);
} finally {
//返还到连接池
jedis.close();
}
}
public String get(String key) throws Exception {
Jedis jedis = null;
try {
jedis = jedisPool.getResource();
return jedis.get(key);
} finally {
//返还到连接池
jedis.close();
}
}
public JedisPool getJedisPool() {
return jedisPool;
}
public void setJedisPool(JedisPool jedisPool) {
this.jedisPool = jedisPool;
}
}还要在spring.factories里面配置
# Auto Configure org.springframework.boot.autoconfigure.EnableAutoConfiguration=\ com.ibigsea.jedis.autoconfigure.JedisAutoConfiguration
新建一个工程测试下
pom.xml
<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.ibigsea</groupId> <artifactId>test-starter</artifactId> <version>0.0.1-SNAPSHOT</version> <packaging>jar</packaging> <name>test-starter</name> <url>http://maven.apache.org</url> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <boot.version>1.3.5.RELEASE</boot.version> </properties> <dependencies> <dependency> <groupId>com.ibigsea</groupId> <artifactId>jedis-spring-boot-starter</artifactId> <version>1.0-SNAPSHOT</version> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> <version>${boot.version}</version> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> <version>${boot.version}</version> <scope>test</scope> </dependency> </dependencies> </project>
application.yml
jedis : host : 127.0.0.1 port : 6379 maxTotal: 100 maxIdle: 10 maxWaitMillis : 100000 server : port : 8082
App.java
package com.ibigsea.test_starter;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import com.ibigsea.jedis.client.RedisClient;
@SpringBootApplication
@RestController
public class App {
@Autowired
private RedisClient redisClient;
public static void main(String[] args) {
SpringApplication.run(App.class, args);
}
@RequestMapping("/set")
public String set(String key, String value) throws Exception{
redisClient.set(key, value);
return "success";
}
@RequestMapping("/get")
public String get(String key) throws Exception {
return redisClient.get(key);
}
}测试结果
这里只是简单的写了下一个小demo,有兴趣的小伙伴可以自己去扩展更多的
比如实现集群连接, 分片连接,API扩展的更多一些
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