JedisService的编写

 

 

     <dependency>
            <groupId>org.springframework.data</groupId>
            <artifactId>spring-data-redis</artifactId>
            <version>1.4.3.RELEASE</version>
     </dependency>
     <dependency>
            <groupId>redis.clients</groupId>
            <artifactId>jedis</artifactId>
            <version>2.6.0</version>
     </dependency>

/shangji-manage-web/src/main/resources/jedis.properties

#最大分配的对象数  ,例如:maxActive=1024//后继版本使用maxTotal属性  
jedis.maxTotal=5
#最大能够保持空闲状态的对象数:例如:maxIdle=200 
jedis.maxIdle=3
#当池内没有返回对象时,最大等待时间 ,例如:maxWaitMillis=1000
jedis.maxWaitMillis=10000
#在borrow(借用/作用)一个jedis实例时,是否提前进行validate操作;如果为true,则得到的jedis实例均是可用的; 
jedis.testOnBorrow=true
#redis服务器地址
redis.host=127.0.0.1
redis.port=6379

/shangji-manage-web/src/main/resources/spring/applicationContext.xml

<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:context="http://www.springframework.org/schema/context" 
    xmlns:p="http://www.springframework.org/schema/p"
    xmlns:aop="http://www.springframework.org/schema/aop" 
    xmlns:tx="http://www.springframework.org/schema/tx"
    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-4.0.xsd
    http://www.springframework.org/schema/context 
    http://www.springframework.org/schema/context/spring-context.xsd
    http://www.springframework.org/schema/aop 
    http://www.springframework.org/schema/aop/spring-aop-4.0.xsd 
    http://www.springframework.org/schema/tx 
    http://www.springframework.org/schema/tx/spring-tx-4.0.xsd
    http://www.springframework.org/schema/util 
    http://www.springframework.org/schema/util/spring-util-4.0.xsd">

    <!-- 使用spring自带的占位符替换功能 -->
    <bean
        class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
        <!-- 允许JVM参数覆盖 -->
        <property name="systemPropertiesModeName" value="SYSTEM_PROPERTIES_MODE_OVERRIDE" />
        <!-- 忽略没有找到的资源文件 -->
        <property name="ignoreResourceNotFound" value="true" />
        <!-- 配置资源文件 -->
        <property name="locations">
            <list>
                <value>classpath:jdbc.properties</value>
                <value>classpath:env.properties</value>
                <value>classpath:httpClient.properties</value>
                <value>classpath:jedis.properties</value>
                <value>classpath:rabbitmq.properties</value>
            </list>
        </property>
    </bean>
    
    <context:component-scan base-package="com.shangji"/>
    
    <bean id="dataSource" class="com.jolbox.bonecp.BoneCPDataSource"
        destroy-method="close">
        <!-- 数据库驱动 -->
        <property name="driverClass" value="${jdbc.driver}" />
        <!-- 相应驱动的jdbcUrl -->
        <property name="jdbcUrl" value="${jdbc.url}" />
        <!-- 数据库的用户名 -->
        <property name="username" value="${jdbc.username}" />
        <!-- 数据库的密码 -->
        <property name="password" value="${jdbc.password}" />
        <!-- 检查数据库连接池中空闲连接的间隔时间,单位是分,默认值:240,如果要取消则设置为0 -->
        <property name="idleConnectionTestPeriod" value="60" />
        <!-- 连接池中未使用的链接最大存活时间,单位是分,默认值:60,如果要永远存活设置为0 -->
        <property name="idleMaxAge" value="30" />
        <!-- 每个分区最大的连接数 -->
        <property name="maxConnectionsPerPartition" value="150" />
        <!-- 每个分区最小的连接数 -->
        <property name="minConnectionsPerPartition" value="5" />
    </bean>

</beans>

 

/shangji-manage-web/src/main/resources/spring/applicationContext-jedis.xml

<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p"
    xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
    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-4.0.xsd
    http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd
    http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd
    http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd">
    
    <!-- 池信息 -->
    <bean id="jedisPoolConfig" class="redis.clients.jedis.JedisPoolConfig">
        <!--#最大分配的对象数 
                maxActive=1024//后继版本使用maxTotal属性 
            #最大能够保持空闲状态的对象数
                 maxIdle=200 
            #当池内没有返回对象时,最大等待时间 
                maxWaitMillis=1000 
            #在borrow(借用/作用)一个jedis实例时,是否提前进行validate操作;如果为true,则得到的jedis实例均是可用的; 
                testOnBorrow=true 
            -->
        <property name="maxTotal" value="${jedis.maxTotal}" />
        <property name="maxIdle" value="${jedis.maxIdle}" />
        <property name="maxWaitMillis" value="${jedis.maxWaitMillis}" />
        <property name="testOnBorrow" value="${jedis.testOnBorrow}" />
    </bean>

    <!-- 将   jedisPoolConfig信息   赋给       jedisConnectionFactory的属性 -->
    <bean id="jedisConnectionFactory"
        class="org.springframework.data.redis.connection.jedis.JedisConnectionFactory">
        <property name="hostName" value="${redis.host}" />
        <property name="port" value="${redis.port}" />
        <property name="poolConfig" ref="jedisPoolConfig" />
    </bean>
     
   <!--  通过     jedisConnectionFactory   生成    连接对象 -->
    <bean class="org.springframework.data.redis.core.StringRedisTemplate"
        p:connection-factory-ref="jedisConnectionFactory" />
    <!-- <context:component-scan base-package="com.shangji" /> -->
</beans>

/shangji-common/src/main/java/com/shangji/common/service/JedisService.java

package com.shangji.common.service;

import java.util.concurrent.TimeUnit;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.data.redis.core.ValueOperations;
import org.springframework.stereotype.Service;

@Service
public class JedisService {
    
    @Autowired
    private StringRedisTemplate stringRedisTemplate;//继承了RedisTemplate
    
    // 设置key及value
    public void set(String key,String value){
        // 通过ValueOperations对象操作
        ValueOperations<String, String> vo = stringRedisTemplate.opsForValue();
        vo.set(key, value);
    }
    
    // 设置key 及value和有效时间(单位为小时)
    public void setByHours(String key,String value, Long timeOut){
        // 通过ValueOperations对象操作
        ValueOperations<String, String> vo = stringRedisTemplate.opsForValue();
        vo.set(key, value, timeOut, TimeUnit.HOURS);
    }
    
    // 设置key 及value和有效时间(单位为秒)
    public void setBySeconds(String key,String value, Long timeOut){
        // 通过ValueOperations对象操作
        ValueOperations<String, String> vo = stringRedisTemplate.opsForValue();
        vo.set(key, value, timeOut, TimeUnit.SECONDS);
    }
    
    // 刷新/延长redis中的数据的生存时间(设定的时间单位 为秒)
    public void expire(String key, Long timeout) {
        stringRedisTemplate.expire(key, timeout, TimeUnit.SECONDS);    
    }
    
    // 根据编号查询用户
    public String get(final String key) throws Exception {
        ValueOperations<String, String> vo = stringRedisTemplate.opsForValue();
        return (String) vo.get(key);
    }
    
    public void delete(final String key) {
        // 通过redisTemplate对象直接操作
        stringRedisTemplate.delete(key);
    }
    
}

 

posted @ 2018-08-08 17:54  吴桂鑫  阅读(174)  评论(0编辑  收藏  举报