20.spring里面使用redis

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Spring里面使用Redis

1. 创建项目

创建一个Maven项目

2. pom.xml

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<?xml version="1.0" encoding="UTF-8"?>

<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>org.example</groupId>
  <artifactId>redis-spring-demo</artifactId>
  <version>1.0-SNAPSHOT</version>

  <name>redis-spring-demo</name>
  <!-- FIXME change it to the project's website -->
  <url>http://www.example.com</url>

  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <maven.compiler.source>1.7</maven.compiler.source>
    <maven.compiler.target>1.7</maven.compiler.target>
    <spring.version>4.3.24.RELEASE</spring.version>
    <jedis.version>3.2.0</jedis.version>
  </properties>

  <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>4.11</version>
      <scope>test</scope>
    </dependency>

    <!-- import Spring -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-aspects</artifactId>
      <version>${spring.version}</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-aop</artifactId>
      <version>${spring.version}</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-context</artifactId>
      <version>${spring.version}</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-core</artifactId>
      <version>${spring.version}</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-jdbc</artifactId>
      <version>${spring.version}</version>
    </dependency>

    <dependency>
      <groupId>redis.clients</groupId>
      <artifactId>jedis</artifactId>
      <version>${jedis.version}</version>
    </dependency>

  </dependencies>

  <build>
    <pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
      <plugins>
        <!-- clean lifecycle, see https://maven.apache.org/ref/current/maven-core/lifecycles.html#clean_Lifecycle -->
        <plugin>
          <artifactId>maven-clean-plugin</artifactId>
          <version>3.1.0</version>
        </plugin>
        <!-- default lifecycle, jar packaging: see https://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_jar_packaging -->
        <plugin>
          <artifactId>maven-resources-plugin</artifactId>
          <version>3.0.2</version>
        </plugin>
        <plugin>
          <artifactId>maven-compiler-plugin</artifactId>
          <version>3.8.0</version>
        </plugin>
        <plugin>
          <artifactId>maven-surefire-plugin</artifactId>
          <version>2.22.1</version>
        </plugin>
        <plugin>
          <artifactId>maven-jar-plugin</artifactId>
          <version>3.0.2</version>
        </plugin>
        <plugin>
          <artifactId>maven-install-plugin</artifactId>
          <version>2.5.2</version>
        </plugin>
        <plugin>
          <artifactId>maven-deploy-plugin</artifactId>
          <version>2.8.2</version>
        </plugin>
        <!-- site lifecycle, see https://maven.apache.org/ref/current/maven-core/lifecycles.html#site_Lifecycle -->
        <plugin>
          <artifactId>maven-site-plugin</artifactId>
          <version>3.7.1</version>
        </plugin>
        <plugin>
          <artifactId>maven-project-info-reports-plugin</artifactId>
          <version>3.0.0</version>
        </plugin>
      </plugins>
    </pluginManagement>
  </build>
</project>

3. 创建application-redis.xml

创建resources文件夹

新建application-redis.xml文件

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<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">

    <!--声明配置-->
    <!-- jedisPoolConfig -->
    <bean id="poolConfig" class="org.apache.commons.pool2.impl.GenericObjectPoolConfig">
        <property name="maxTotal" value="100"></property>
        <property name="maxIdle" value="80"></property>
        <property name="minIdle" value="20"></property>
        <property name="maxWaitMillis" value="2000"></property>
        <property name="testOnBorrow" value="true"></property>
    </bean>


    <!--jedisPool-->
    <bean id="jedisPool" class="redis.clients.jedis.JedisPool">
        <!--因为JedisPool没有属性  所以只能使用构造器的注入方式-->
        <constructor-arg name="poolConfig" ref="poolConfig"></constructor-arg>
        <constructor-arg name="host" value="192.168.168.130"></constructor-arg>
        <constructor-arg name="port" value="6379"></constructor-arg>
        <constructor-arg name="timeout" value="2000"></constructor-arg>
<!--        <constructor-arg name="password" value="123456"></constructor-arg>-->
    </bean>

</beans>

4. 创建测试类

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package org.example;

import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPool;

public class RedisSpringTest {

    public static void main(String[] args) {

        ApplicationContext applicationContext =
                new ClassPathXmlApplicationContext("classpath:application-redis.xml");

        JedisPool jedisPool = applicationContext.getBean(JedisPool.class);
        Jedis jedis = jedisPool.getResource();

        String returnBack = jedis.set("name", "Kim");
        System.out.println("returnBack = " + returnBack);
        String name = jedis.get("name");
        System.out.println("name = " + name);

        jedis.close();

    }
}

output: 

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returnBack = OK
name = Kim