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Redis之——Spring基于注解整合Redis

2016-08-07 11:40 344 查看

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在《Redis之——Spring整合Redis》一文中，向大家介绍了如何将Spring与Redis整合起来，但不是基于注解的形式，很多同学都希望能够通过注解的形式来简单的将Spring与Redis整合起来，这样，在使用的时候，只需要在相应的方法上加上注解，便可以使方法轻松的调用Redis的缓存。那么今天就来向大家介绍如何用基于注解的形式来整合Spring与Redis。另外，在之前的一篇《Memcached之——整合Spring完整示例》博文中，Spring与Memcached的整合也是基于注解形式的，有兴趣的同学可以参见《Memcached之——整合Spring完整示例》一文。好，我们开始进入正题：

一、项目搭建

今天，我们不使用Hibernate来操作数据库了，我们今天选择的框架是： Spring4(包括mvc、context、orm) + MyBatis3，所以，我们今天的基础架构是：Spring4(包括mvc、context、orm) + MyBatis3+Redis

1、构建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>lyz</groupId>
<artifactId>lyz</artifactId>
<version>1.0.0</version>
<packaging>war</packaging>
<name>lyz</name>
<description>Basic Data Platform</description>

<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<spring.version>4.2.0.RELEASE</spring.version>
</properties>

<dependencies>

<!-- spring mvc related.....start --> <!-- TODO: replace jackson with fastjson -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</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-webmvc</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<dependency>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>
<version>1.1.3</version>
</dependency>
<dependency>
<groupId>org.codehaus.jackson</groupId>
<artifactId>jackson-mapper-asl</artifactId>
<version>1.9.13</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-annotations</artifactId>
<version>2.6.1</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-core</artifactId>
<version>2.6.1</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.6.1</version>
</dependency>
<!-- spring mvc related.....end -->

<!-- mybatis orm related.....start -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-orm</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.2.3</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.36</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.3.0</version>
</dependency>
<dependency>
<groupId>c3p0</groupId>
<artifactId>c3p0</artifactId>
<version>0.9.1.2</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>1.7.12</version>
</dependency>
<!-- mybatis orm related.....end -->

<!-- project log related.....start -->
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.17</version>
</dependency>
<!-- project log related.....end -->

<!-- redis cache related.....start -->
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-redis</artifactId>
<version>1.6.0.RELEASE</version>
</dependency>
<dependency>
<groupId>redis.clients</groupId>
<artifactId>jedis</artifactId>
<version>2.7.3</version>
</dependency>
<!-- redis cache related.....end -->
</dependencies>

<build>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.1</version>
<configuration>
<source>1.7</source>
<target>1.7</target>
</configuration>
</plugin>
<plugin>
<artifactId>maven-war-plugin</artifactId>
<version>2.4</version>
<configuration>
<warSourceDirectory>WebContent</warSourceDirectory>
<failOnMissingWebXml>false</failOnMissingWebXml>
</configuration>
</plugin>
</plugins>
</build>
</project>

2、创建测试数据库：lyz，测试数据表：user

DROP DATABASE IF EXISTS `lyz`;
CREATE DATABASE `lyz`;
DROP TABLE IF EXISTS `user`;
CREATE TABLE `user` (
`id` int(10) unsigned NOT NULL AUTO_INCREMENT,
`name` varchar(255) DEFAULT NULL,
`sex` varchar(255) DEFAULT NULL,
`age` int(11) DEFAULT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

3、创建实体类user

package com.lyz.user.bean;

import java.io.Serializable;

import org.codehaus.jackson.map.annotate.JsonSerialize;

import com.fasterxml.jackson.databind.PropertyNamingStrategy;
import com.fasterxml.jackson.databind.annotation.JsonNaming;

/**
* 用户实体类
* @author liuyazhuang
*
*/
@JsonSerialize
@JsonNaming(PropertyNamingStrategy.LowerCaseWithUnderscoresStrategy.class)
public class User implements Serializable{
private static final long serialVersionUID = 1332643889208978231L;

/**
* id
*/
private Integer id;

/**
* 姓名
*/
private String name;

/**
* 性别
*/
private String sex;

/**
* 年龄
*/
private Integer age;

public User() {
super();
}

public User(Integer id, String name) {
super();
this.id = id;
this.name = name;
}

public User(String name, String sex, Integer age) {
super();
this.name = name;
this.sex = sex;
this.age = age;
}

public Integer getId() {
return id;
}

public void setId(Integer id) {
this.id = id;
}

public String getName() {
return name;
}

public void setName(String name) {
this.name = name;
}

public String getSex() {
return sex;
}

public void setSex(String sex) {
this.sex = sex;
}

public Integer getAge() {
return age;
}

public void setAge(Integer age) {
this.age = age;
}

@Override
public String toString() {
return "User [id=" + id + ", name=" + name + ", sex=" + sex + ", age=" + age + "]";
}

}

4、创建UserMapper接口

此接口定义了与MyBatis交互的接口协议，通过此接口与MyBatis框架通信，由MyBatis框架实现对数据库的增删改查操作。

package com.lyz.user.mapper;

import java.util.List;

import com.lyz.user.bean.User;

/**
* UserMapper接口
* @author liuyazhuang
*
*/
public interface UserMapper {

/**
* 保存用户
* @param user
*/
void saveUser(User user);

/**
* 获取所有用户列表
* @return
*/
List<User> getAllUser();

/**
* 根据id查询用户信息
* @param id
* @return
*/
User getUserById(Integer id);

/**
* 更新用户的名称
* @param user
*/
void renameUser(User user);

/**
* 根据id删除指定的用户
* @param id
*/
void deleteUserById(Integer id);
}

5、创建UserMapper.xml

此文件中主要实现了UserMapper接口定义的方法，即实现对数据库的增删改查操作。

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
<mapper namespace="com.lyz.user.mapper.UserMapper" >

<!-- 插入一条城市记录 -->
<insert id="saveUser" parameterType="com.lyz.user.bean.User">
insert into user (name, sex, age)
values ( #{name}, #{sex}, #{age} )
</insert>

<!-- 根据省份名称返回该省份下的所有城市列表 -->
<select id="getAllUser" resultType="com.lyz.user.bean.User">
select u.id, u.name, u.sex, u.age from user u
</select>

<!-- 根据 city_code 查找城市信息 -->
<select id="getUserById" resultType="com.lyz.user.bean.User" parameterType="java.lang.Integer">
select u.id, u.name, u.sex, u.age from user u where u.id = #{id}
</select>

<!-- 重命名城市 -->
<update id="renameUser" parameterType="com.lyz.user.bean.User">
update user set name = #{name} where id = #{id}
</update>

<!-- 删除一个城市记录 -->
<delete id="deleteUserById" parameterType="java.lang.Integer">
delete from user where id = #{id}
</delete>
</mapper>

6、创建UserDao接口

package com.lyz.user.dao;

import java.util.List;

import com.lyz.user.bean.User;

/**
* 用户dao接口
* @author liuyazhuang
*
*/
public interface UserDao {
/**
* 保存用户
* @param user
*/
void saveUser(User user);

/**
* 获取所有用户列表
* @return
*/
List<User> getAllUser();

/**
* 根据id查询用户信息
* @param id
* @return
*/
User getById(Integer id);

/**
* 更新用户的名称
* @param user
*/
void rename(User user);

/**
* 根据id删除指定的用户
* @param id
*/
void deleteById(Integer id);
}

7、创建UserDao的实现类UserDaoImpl

此类主要实现UserDao中定义的接口，主要实现方法是注入UserMapper接口的实例对象，调用UserMapper接口实例的方法来实现相应的操作。

package com.lyz.user.dao.impl;

import java.util.List;

import javax.annotation.Resource;

import org.springframework.stereotype.Repository;

import com.lyz.user.bean.User;
import com.lyz.user.dao.UserDao;
import com.lyz.user.mapper.UserMapper;
/**
* Dao实现类
* @author liuyazhuang
*
*/
@Repository
public class UserDaoImpl implements UserDao {
@Resource
private UserMapper mUserMapper;

@Override
public void saveUser(User user) {
mUserMapper.saveUser(user);
}

@Override
public List<User> getAllUser() {
return mUserMapper.getAllUser();
}

@Override
public User getById(Integer id) {
return mUserMapper.getUserById(id);
}

@Override
public void rename(User user) {
mUserMapper.renameUser(user);
}

@Override
public void deleteById(Integer id) {
mUserMapper.deleteUserById(id);
}

}

8、创建UserService接口

package com.lyz.user.service;

import java.util.List;

import com.lyz.user.bean.User;

/**
* 用户service接口
* @author liuyazhuang
*
*/
public interface UserService {
/**
* 保存用户
* @param user
*/
void saveUser(String name, String sex, Integer age);

/**
* 获取所有用户列表
* @return
*/
List<User> getAllUser();

/**
* 根据id查询用户信息
* @param id
* @return
*/
User getUserById(Integer id);

/**
* 更新用户的名称
* @param user
*/
void renameUser(String name, Integer id);

/**
* 根据id删除指定的用户
* @param id
*/
void deleteUserById(Integer id);
}

9、创建UserService接口实现类UserServiceImpl

package com.lyz.user.service.impl;

import java.util.List;

import javax.annotation.Resource;

import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;

import com.lyz.user.bean.User;
import com.lyz.user.dao.UserDao;
import com.lyz.user.service.UserService;
/**
* UserService实现类
* @author liuyazhuang
*
*/
@Service
@Transactional(propagation=Propagation.REQUIRED, rollbackFor=Exception.class)
public class UserServiceImpl implements UserService {
@Resource
private UserDao mUserDao;

@Override
@CacheEvict(value = { "saveUser"}, allEntries = true)
public void saveUser(String name, String sex, Integer age) {
User user = new User(name, sex, age);
mUserDao.saveUser(user);
}

@Override
@Cacheable("getAllUser")
public List<User> getAllUser() {
return mUserDao.getAllUser();
}

@Override
@Cacheable("getUserById")
public User getUserById(Integer id) {
return mUserDao.getById(id);
}

@Override
@CacheEvict(value = { "getAllUser", "getUserById" }, allEntries = true)
public void renameUser(String name, Integer id) {
mUserDao.rename(new User(id, name));
}

@Override
@CacheEvict(value = { "getAllUser", "getUserById" }, allEntries = true)
public void deleteUserById(Integer id) {
mUserDao.deleteById(id);
}

}

10、创建UserController

package com.lyz.user.controller;

import java.util.List;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;

import com.lyz.user.bean.User;
import com.lyz.user.service.UserService;

/**
* UserController类
* @author liuyazhuang
*
*/
@Controller
@RequestMapping("/user")
public class UserController {
private final Log logger = LogFactory.getLog(this.getClass());
@Autowired
private UserService mUserService;

/**
* 保存用户
* @param name
* @param sex
* @param age
* @return
*/
@RequestMapping("/save")
@ResponseBody
public Integer save(@RequestParam(value="name", defaultValue="") String name,
@RequestParam(value="sex", defaultValue="") String sex,
@RequestParam(value="age", defaultValue="0") String age){
logger.debug(name);
mUserService.saveUser(name, sex, Integer.parseInt(age));
return 1;
}

/**
* 获取所有用户列表
* @return
*/
@RequestMapping("/getall")
@ResponseBody
public Object getAllUser(){
List<User> users = mUserService.getAllUser();
for(User u : users){
logger.debug(u.toString());
}
return users;
}
/**
* 根据用户id获取用户信息
* @return
*/
@RequestMapping("/getUserById")
@ResponseBody
public Object getUserById(@RequestParam(value="id", defaultValue="0") String id){
User user = mUserService.getUserById(Integer.parseInt(id));
logger.debug(user.toString());
return user;
}

/**
* 根据用户id获取用户信息
* @return
*/
@RequestMapping("/renameUser")
@ResponseBody
public Integer renameUser(@RequestParam(value="id", defaultValue="0") String id,
@RequestParam(value="name", defaultValue="") String name){
logger.debug(id + "=========" + name);
mUserService.renameUser(name, Integer.parseInt(id));
return 1;
}
/**
* 根据用户id获取用户信息
* @return
*/
@RequestMapping("/delete")
@ResponseBody
public Integer delete(@RequestParam(value="id", defaultValue="0") String id){
logger.debug(id);
mUserService.deleteUserById(Integer.parseInt(id));
return 1;
}
}

到此，只要再创建相应的配置文件，我们就可以实现Spring+MyBatis框架的整合了，下面我们创建一个整合Redis的关键类RedisCacheConfig，这个类继承CachingConfigurerSupport。

11、创建RedisCacheConfig类

package com.lyz.cache.redis;

import java.lang.reflect.Method;

import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.CachingConfigurerSupport;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.cache.interceptor.KeyGenerator;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheManager;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.connection.jedis.JedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;

/**
* 以Spring与配置文件来管理的redis缓存配置类
* @author liuyazhuang
*
*/
@Configuration
@EnableCaching
public class RedisCacheConfig extends CachingConfigurerSupport {

private volatile JedisConnectionFactory mJedisConnectionFactory;
private volatile RedisTemplate<String, String> mRedisTemplate;
private volatile RedisCacheManager mRedisCacheManager;

public RedisCacheConfig() {
super();
}

public RedisCacheConfig(JedisConnectionFactory mJedisConnectionFactory, RedisTemplate<String,String> mRedisTemplate,
RedisCacheManager mRedisCacheManager) {
super();
this.mJedisConnectionFactory = mJedisConnectionFactory;
this.mRedisTemplate = mRedisTemplate;
this.mRedisCacheManager = mRedisCacheManager;
}

public JedisConnectionFactory redisConnectionFactory() {
return mJedisConnectionFactory;
}

public RedisTemplate<String, String> redisTemplate(RedisConnectionFactory cf) {
return mRedisTemplate;
}

public CacheManager cacheManager(RedisTemplate<?, ?> redisTemplate) {
return mRedisCacheManager;
}

@Bean
public KeyGenerator customKeyGenerator() {
return new KeyGenerator() {
@Override
public Object generate(Object o, Method method, Object... objects) {
StringBuilder sb = new StringBuilder();
sb.append(o.getClass().getName());
sb.append(method.getName());
for (Object obj : objects) {
sb.append(obj.toString());
}
return sb.toString();
}
};
}
}

这个类中的所有属性、字段都是在Spring的配置文件lyz-applicationContext.xml文件中注入的，稍后我们介绍如何注入这些属性字段。

下面介绍每个配置文件的内容，注：所有的配置文件(除了web.xml)，都是放在classpath路径下的。

12、创建数据库的配置文件jdbc.properties

jdbc.host=127.0.0.1
jdbc.database=lyz
jdbc.port=3306
jdbc.username=root
jdbc.password=root

13、创建log4j日志配置文件log4j.properties

# Global logging configuration
log4j.rootLogger=WARN,stdout
# Console output...
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c:%L - %m%n
# mybatis log
log4j.logger.com.lyz.user.mapper.UserMapper=DEBUG
# lyz log
log4j.logger.com.lyz.user.controller=DEBUG
log4j.logger.com.lyz.user.service=DEBUG

14、创建redis配置文件redis.properties

# Redis settings
redis.host=192.168.157.130
redis.port=6379
redis.pass=liuyazhuang
redis.dbIndex=0
redis.expiration=3000

redis.maxIdle=300
redis.maxActive=600
redis.maxWait=1000
redis.testOnBorrow=true

15、创建SpringMVC的配置文件lyzmvc-servlet.xml

<?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-4.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd"> 
<!-- class annotation related... start -->
<context:component-scan base-package="com.lyz.*.controller" />
<!-- class annotation related... end -->

<!-- jsp page related... start -->
<bean id="viewResolver"
class="org.springframework.web.servlet.view.UrlBasedViewResolver">
<property name="viewClass"
value="org.springframework.web.servlet.view.JstlView" />
<property name="prefix" value="/WEB-INF/jsp/" />
<property name="suffix" value=".jsp" />
</bean>
<!-- jsp page related... end -->

<!-- rest json related... start -->
<bean id="mappingJacksonHttpMessageConverter"
class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
<property name="supportedMediaTypes">
<list>
<value>application/json;charset=UTF-8</value>
</list>
</property>
</bean>
<bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">
<property name="messageConverters">
<list>
<ref bean="mappingJacksonHttpMessageConverter"/>
</list>
</property>
</bean>
<!-- rest json related... end -->
</beans>

16、创建MyBatis配置文件mybatis-config.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN" "http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
<settings>
<setting name="mapUnderscoreToCamelCase" value="true"/>
</settings>
</configuration>

17、创建Spring核心配置文件lyz-applicationContext.xml

<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"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
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-4.0.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"> <!-- class annotation related... start -->
<context:component-scan base-package="com.lyz"/>
<context:component-scan base-package="com.lyz.*.service" />
<context:component-scan base-package="com.lyz.*.service.*" />
<context:component-scan base-package="com.lyz.cache.redis" />
<!-- class annotation related... end -->
<context:annotation-config />
<!-- mybatis related... start -->
<bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="locations">
<list>
<!-- 这里支持多种寻址方式：classpath和file -->
<value>classpath:jdbc.properties</value>
<value>classpath:redis.properties</value>
<!-- 推荐使用file的方式引入，这样可以将配置和代码分离 -->
</list>
</property>
</bean>
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource "
destroy-method="close">
<property name="driverClass" value="com.mysql.jdbc.Driver" />
<property name="jdbcUrl" value="jdbc:mysql://${jdbc.host}:${jdbc.port}/${jdbc.database}?useUnicode=true&characterEncoding=utf8" />
<property name="user" value="${jdbc.username}" />
<property name="password" value="${jdbc.password}" />
<property name="acquireIncrement" value="1" />
<property name="initialPoolSize" value="5" />
<property name="maxPoolSize" value="20" />
<property name="minPoolSize" value="5" />
<property name="maxStatements" value="100" />
<property name="testConnectionOnCheckout" value="true" />
</bean>
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<property name="configLocation" value="/WEB-INF/classes/mybatis-config.xml" />
</bean>
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.lyz.*.mapper"/>
</bean>
<!-- mybatis related... end -->

<!-- transaction config related... start -->
<tx:annotation-driven transaction-manager="transactionManager" />
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource" />
</bean>
<!-- transaction config related... end -->

<!-- redis  config  start -->
<!-- 配置JedisPoolConfig实例 -->
<bean id="poolConfig" class="redis.clients.jedis.JedisPoolConfig">
<property name="maxIdle" value="${redis.maxIdle}" />
<property name="maxTotal" value="${redis.maxActive}" />
<property name="maxWaitMillis" value="${redis.maxWait}" />
<property name="testOnBorrow" value="${redis.testOnBorrow}" />
</bean>

<!-- 配置JedisConnectionFactory -->
<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="password" value="${redis.pass}"/>
<property name="database" value="${redis.dbIndex}"/>
<property name="poolConfig" ref="poolConfig"/>
</bean>

<!-- 配置RedisTemplate -->
<bean id="redisTemplate" class="org.springframework.data.redis.core.RedisTemplate">
<property name="connectionFactory" ref="jedisConnectionFactory"/>
</bean>

<!-- 配置RedisCacheManager -->
<bean id="redisCacheManager" class="org.springframework.data.redis.cache.RedisCacheManager">
<constructor-arg name="redisOperations" ref="redisTemplate" />
<property name="defaultExpiration" value="${redis.expiration}"/>
</bean>

<!-- 配置RedisCacheConfig -->
<bean id="redisCacheConfig" class="com.lyz.cache.redis.RedisCacheConfig">
<constructor-arg ref="jedisConnectionFactory" />
<constructor-arg ref="redisTemplate" />
<constructor-arg ref="redisCacheManager" />
</bean>

<!-- redis  config  end -->

</beans>

注：在lyz-applicationContext.xml配置文件中，配置了Spring的注解、注入了RedisCacheConfig中的属性字段。

18、完善web.xml文件

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://java.sun.com/xml/ns/javaee"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0">
<display-name>lyz</display-name>

<!-- character encoding related.....start --><!-- TODO : 将 encodingFilter、sysParamsFilter 两个过滤器交给 spring 管理 -->
<filter>
<filter-name>encodingFilter</filter-name>
<filter-class>
org.springframework.web.filter.CharacterEncodingFilter
</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
<init-param>
<param-name>forceEncoding</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>encodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!-- 除了加过滤器，由于tomcat默认编码ISO-8859-1，还需要修改 %tomcat%/conf/server.xml Connector 标签加属性 URIEncoding="UTF-8" -->
<!-- character encoding related.....end -->

<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/classes/*-applicationContext.xml</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>

<servlet>
<servlet-name>lyzmvc</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/classes/*-servlet.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>lyzmvc</servlet-name>
<url-pattern>*.json</url-pattern>
<url-pattern>*.html</url-pattern>
</servlet-mapping>
</web-app>