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Spring+SpringMVC+Redis

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Spring+SpringMVC+Redis

  1. 搭建Redis环境
    Redis github下载地址
    CSDN资源下载地址
    目前官方推荐的最新稳定版本为3.2.1
    下载之后直接解压得到以下目录结构
    这里写图片描述
    点击redis-server.exe即可启动Redis数据库
    这里写图片描述
    看到如下截图，Redis即启动成功

  2. 搭建spring环境
    添加springmvc需要的依赖包

        <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-webmvc</artifactId>
        <version>4.3.4.RELEASE</version>
    </dependency>

    <dependency>
        <groupId>javax.servlet</groupId>
        <artifactId>javax.servlet-api</artifactId>
        <version>3.1.0</version>
    </dependency>
    <dependency>
        <groupId>com.fasterxml.jackson.core</groupId>
        <artifactId>jackson-core</artifactId>
        <version>2.8.4</version>
    </dependency>

    <dependency>
        <groupId>com.fasterxml.jackson.core</groupId>
        <artifactId>jackson-databind</artifactId>
        <version>2.8.4</version>
    </dependency>
  3. 集成Redis
    ①添加Redis需要的依赖包
        <dependency>
            <groupId>org.springframework.data</groupId>
            <artifactId>spring-data-redis</artifactId>
            <version>1.7.5.RELEASE</version>
        </dependency>
        <!-- Redis客户端 -->
        <dependency>
            <groupId>redis.clients</groupId>
            <artifactId>jedis</artifactId>
            <version>2.9.0</version>
        </dependency>

②配置Redis : spring-redis.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:context="http://www.springframework.org/schema/context"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans-4.3.xsd 
        http://www.springframework.org/schema/context 
        http://www.springframework.org/schema/context/spring-context.xsd">

    <!-- 引入redis配置 -->
    <context:property-placeholder location="classpath:redis.properties" ignore-unresolvable="true"/>

    <!-- Redis 配置 -->
    <bean id="jedisPoolConfig" class="redis.clients.jedis.JedisPoolConfig">
        <property name="maxTotal" value="${redis.pool.maxTotal}" />
        <property name="maxIdle" value="${redis.pool.maxIdle}" />
        <property name="maxWaitMillis" value="${redis.pool.maxWaitMillis}" />
        <property name="testOnBorrow" value="${redis.pool.testOnBorrow}" />
    </bean>

    <!-- redis单节点数据库连接配置 -->
    <bean id="jedisConnectionFactory" class="org.springframework.data.redis.connection.jedis.JedisConnectionFactory">
        <property name="hostName" value="${redis.ip}" />
        <property name="port" value="${redis.port}" />
        <!-- <property name="password" value="${redis.pass}" /> -->
        <property name="poolConfig" ref="jedisPoolConfig" />
    </bean> 

    <!-- redisTemplate配置，redisTemplate是对Jedis的对redis操作的扩展，有更多的操作，封装使操作更便捷 -->
    <bean id="redisTemplate" class="org.springframework.data.redis.core.RedisTemplate">
        <property name="connectionFactory" ref="jedisConnectionFactory" />
    </bean>

</beans>

redis.properties

redis.pool.maxTotal=105
redis.pool.maxIdle=10
redis.pool.maxWaitMillis=5000
redis.pool.testOnBorrow=true
redis.ip=127.0.0.1
redis.port=6379

这里写图片描述

  1. 配置DispatcherServlet
    这里采用硬编码的方式对DispatcherServlet进行配置，不依赖于web.xml
package white.yu;

import org.springframework.web.servlet.support.AbstractAnnotationConfigDispatcherServletInitializer;

import white.yu.config.RootConfig;
import white.yu.config.WebConfig;

/**
 * DispatchServlet 拦截器 
 * @author white
 *
 */
public class MainDispatcherServletInitializer extends
        AbstractAnnotationConfigDispatcherServletInitializer {

    /**
     * 配置应用上下文
     */
    @Override
    protected Class<?>[] getRootConfigClasses() {
        return new Class<?>[] { RootConfig.class };
    }

    /**
     * 配置web上下文
     */
    @Override
    protected Class<?>[] getServletConfigClasses() {
        return new Class<?>[] { WebConfig.class };
    }

    /**
     * 配置DispatcherServlet映射路径
     */
    @Override
    protected String[] getServletMappings() {
        return new String[] { "/" };
    }

}

应用上下文RootConfig

package white.yu.config;

import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.ComponentScan.Filter;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.FilterType;
import org.springframework.context.annotation.ImportResource;
import org.springframework.stereotype.Controller;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;

@Configuration
@ComponentScan(basePackages = { "white.yu" }, excludeFilters = {
        @Filter(type = FilterType.ANNOTATION, value = Controller.class),
        @Filter(type = FilterType.ANNOTATION, value = EnableWebMvc.class) })
@ImportResource("classpath:spring/spring-*.xml") //引入redis的配置文件
public class RootConfig {

}

web上下文 WebConfig 

package white.yu.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.ViewResolver;
import org.springframework.web.servlet.config.annotation.DefaultServletHandlerConfigurer;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
import org.springframework.web.servlet.view.InternalResourceViewResolver;

@Configuration
@EnableWebMvc
@ComponentScan({ "white.yu.web" })
public class WebConfig extends WebMvcConfigurerAdapter {

    /**
     * 配置视图解析器
     * 
     * @return
     */
    @Bean
    public ViewResolver viewResolver() {
        InternalResourceViewResolver resolver = new InternalResourceViewResolver();
        resolver.setPrefix("/WEB-INF/views/");
        resolver.setSuffix(".html");
        resolver.setExposePathVariables(true);
        return resolver;
    }

    /**
     * 配置静态资源处理器
     */
    @Override
    public void configureDefaultServletHandling(
            DefaultServletHandlerConfigurer configurer) {
        super.configureDefaultServletHandling(configurer);
        configurer.enable();
    }

}
  1. 编写测试Controller
package white.yu.web;

import java.util.List;

import javax.annotation.Resource;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.ListOperations;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

import white.yu.cache.RedisCache;
import white.yu.entity.User;

@Controller
@RequestMapping("user")
public class UserController {

    @Resource(name = "redisTemplate")
    private ListOperations<String, User> listOps;

    @RequestMapping("/list")
    @ResponseBody
    public List<User> list() {
        // 获取Redis数据库中的所有user数据
        // -1 表示获取数据库中的所有数据
        List<User> range = listOps.range("user", 0, -1);
        return range;

    }

    @RequestMapping("/add")
    @ResponseBody
    public User list(User user){
        // 添加到Redis数据库
        listOps.leftPush("user", user);
        return user;

    }

}

搭建Redis环境
Redis github下载地址
CSDN资源下载地址
目前官方推荐的最新稳定版本为3.2.1
下载之后直接解压得到以下目录结构
这里写图片描述
点击redis-server.exe即可启动Redis数据库
这里写图片描述
看到如下截图，Redis即启动成功
搭建spring环境
添加springmvc需要的依赖包
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>4.3.4.RELEASE</version>
</dependency>

    <dependency>
        <groupId>javax.servlet</groupId>
        <artifactId>javax.servlet-api</artifactId>
        <version>3.1.0</version>
    </dependency>
    <dependency>
        <groupId>com.fasterxml.jackson.core</groupId>
        <artifactId>jackson-core</artifactId>
        <version>2.8.4</version>
    </dependency>

    <dependency>
        <groupId>com.fasterxml.jackson.core</groupId>
        <artifactId>jackson-databind</artifactId>
        <version>2.8.4</version>
    </dependency>

集成Redis
①添加Redis需要的依赖包
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-redis</artifactId>
<version>1.7.5.RELEASE</version>
</dependency>
<!-- Redis客户端 -->
<dependency>
<groupId>redis.clients</groupId>
<artifactId>jedis</artifactId>
<version>2.9.0</version>
</dependency>
②配置Redis : spring-redis.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:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-4.3.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd">

<!-- 引入redis配置 -->
<context:property-placeholder location="classpath:redis.properties" ignore-unresolvable="true"/>

<!-- Redis 配置 -->
<bean id="jedisPoolConfig" class="redis.clients.jedis.JedisPoolConfig">
    <property name="maxTotal" value="${redis.pool.maxTotal}" />
    <property name="maxIdle" value="${redis.pool.maxIdle}" />
    <property name="maxWaitMillis" value="${redis.pool.maxWaitMillis}" />
    <property name="testOnBorrow" value="${redis.pool.testOnBorrow}" />
</bean>

<!-- redis单节点数据库连接配置 -->
<bean id="jedisConnectionFactory" class="org.springframework.data.redis.connection.jedis.JedisConnectionFactory">
    <property name="hostName" value="${redis.ip}" />
    <property name="port" value="${redis.port}" />
    <!-- <property name="password" value="${redis.pass}" /> -->
    <property name="poolConfig" ref="jedisPoolConfig" />
</bean> 

<!-- redisTemplate配置，redisTemplate是对Jedis的对redis操作的扩展，有更多的操作，封装使操作更便捷 -->
<bean id="redisTemplate" class="org.springframework.data.redis.core.RedisTemplate">
    <property name="connectionFactory" ref="jedisConnectionFactory" />
</bean>

</beans>
redis.properties

redis.pool.maxTotal=105
redis.pool.maxIdle=10
redis.pool.maxWaitMillis=5000
redis.pool.testOnBorrow=true
redis.ip=127.0.0.1
redis.port=6379
这里写图片描述

  1. 配置DispatcherServlet
    这里采用硬编码的方式对DispatcherServlet进行配置，不依赖于web.xml

package white.yu;

import org.springframework.web.servlet.support.AbstractAnnotationConfigDispatcherServletInitializer;

import white.yu.config.RootConfig;
import white.yu.config.WebConfig;

/**

  • DispatchServlet 拦截器
  • @author white

  • */
    public class MainDispatcherServletInitializer extends
    AbstractAnnotationConfigDispatcherServletInitializer {

    /**

    • 配置应用上下文
      */
      @Override
      protected Class<?>[] getRootConfigClasses() {
      return new Class<?>[] { RootConfig.class };
      }

    /**

    • 配置web上下文
      */
      @Override
      protected Class<?>[] getServletConfigClasses() {
      return new Class<?>[] { WebConfig.class };
      }

    /**

    • 配置DispatcherServlet映射路径
      */
      @Override
      protected String[] getServletMappings() {
      return new String[] { "/" };
      }

}
应用上下文RootConfig

package white.yu.config;

import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.ComponentScan.Filter;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.FilterType;
import org.springframework.context.annotation.ImportResource;
import org.springframework.stereotype.Controller;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;

@Configuration
@ComponentScan(basePackages = { "white.yu" }, excludeFilters = {
@Filter(type = FilterType.ANNOTATION, value = Controller.class),
@Filter(type = FilterType.ANNOTATION, value = EnableWebMvc.class) })
@ImportResource("classpath:spring/spring-*.xml") //引入redis的配置文件
public class RootConfig {

}
web上下文 WebConfig

package white.yu.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.ViewResolver;
import org.springframework.web.servlet.config.annotation.DefaultServletHandlerConfigurer;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
import org.springframework.web.servlet.view.InternalResourceViewResolver;

@Configuration
@EnableWebMvc
@ComponentScan({ "white.yu.web" })
public class WebConfig extends WebMvcConfigurerAdapter {

/**
 * 配置视图解析器
 * 
 * @return
 */
@Bean
public ViewResolver viewResolver() {
    InternalResourceViewResolver resolver = new InternalResourceViewResolver();
    resolver.setPrefix("/WEB-INF/views/");
    resolver.setSuffix(".html");
    resolver.setExposePathVariables(true);
    return resolver;
}

/**
 * 配置静态资源处理器
 */
@Override
public void configureDefaultServletHandling(
        DefaultServletHandlerConfigurer configurer) {
    super.configureDefaultServletHandling(configurer);
    configurer.enable();
}

}
编写测试Controller
package white.yu.web;

import java.util.List;

import javax.annotation.Resource;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.ListOperations;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

import white.yu.cache.RedisCache;
import white.yu.entity.User;

@Controller
@RequestMapping("user")
public class UserController {

@Resource(name = "redisTemplate")
private ListOperations<String, User> listOps;

@RequestMapping("/list")
@ResponseBody
public List<User> list() {
    // 获取Redis数据库中的所有user数据
    // -1 表示获取数据库中的所有数据
    List<User> range = listOps.range("user", 0, -1);
    return range;

}

@RequestMapping("/add")
@ResponseBody
public User list(User user){
    // 添加到Redis数据库
    listOps.leftPush("user", user);
    return user;

}

}
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发表于 2016.12.09 16:45， 共 18842 人浏览

本文原创发布于慕课网 ，转载请注明出处，谢谢合作

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