• ssm+redis整合(通过cache方式)


    这几天的研究ssm redis 终于进入主题了,今天参考了网上一些文章搭建了一下ssm+redis整合,特别记录下来以便以后可以查询使用,有什么不足请大牛们提点

    项目架构

    1、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/maven-v4_0_0.xsd">
      <modelVersion>4.0.0</modelVersion>
      <groupId>com.tp.soft</groupId>
      <artifactId>taop-web-redis</artifactId>
      <packaging>war</packaging>
      <version>0.0.1-SNAPSHOT</version>
      <name>taop-web-redis Maven Webapp</name>
      <url>http://maven.apache.org</url>
     <properties>
            <!-- spring版本号 -->
            <spring.version>4.3.2.RELEASE</spring.version>
            <!-- mybatis版本号 -->
            <mybatis.version>3.2.8</mybatis.version>
            <!-- log4j日志文件管理包版本 -->
            <slf4j.version>1.7.7</slf4j.version>
            <log4j.version>1.2.17</log4j.version>
            <oracle.version>10.2.0.5.0</oracle.version>
        </properties>
    
         <dependencies>
            <!-- 添加Spring-core包 -->
            <!-- https://mvnrepository.com/artifact/org.springframework/spring-core -->
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-core</artifactId>
                <version>${spring.version}</version>
            </dependency>
            <!-- 添加spring-context包 -->
            <!-- https://mvnrepository.com/artifact/org.springframework/spring-context -->
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-context</artifactId>
                <version>${spring.version}</version>
            </dependency>
            <!-- 添加spring-tx包 -->
            <!-- https://mvnrepository.com/artifact/org.springframework/spring-tx -->
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-tx</artifactId>
                <version>${spring.version}</version>
            </dependency>
            <!-- 添加spring-jdbc包 -->
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-jdbc</artifactId>
                <version>${spring.version}</version>
            </dependency>
            <!-- 为了方便进行单元测试,添加spring-test包 -->
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-test</artifactId>
                <version>${spring.version}</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-web</artifactId>
                <version>${spring.version}</version>
            </dependency>
             <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-aop</artifactId>
                <version>${spring.version}</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-expression</artifactId>
                <version>${spring.version}</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-webmvc</artifactId>
                <version>${spring.version}</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-beans</artifactId>
                <version>${spring.version}</version>
            </dependency>
               <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-orm</artifactId>
                <version>${spring.version}</version>
            </dependency>
            <!--添加aspectjweaver包 -->
            <dependency>
                <groupId>org.aspectj</groupId>
                <artifactId>aspectjweaver</artifactId>
                <version>1.8.9</version>
            </dependency>
            <!-- 添加mybatis的核心包 -->
            <dependency>
                <groupId>org.mybatis</groupId>
                <artifactId>mybatis</artifactId>
                <version>${mybatis.version}</version>
            </dependency>
            <!-- 添加mybatis与Spring整合的核心包 -->
            <dependency>
                <groupId>org.mybatis</groupId>
                <artifactId>mybatis-spring</artifactId>
                <version>1.3.0</version>
            </dependency>
            <!-- 添加servlet3.0核心包 -->
            <dependency>
                <groupId>javax.servlet</groupId>
                <artifactId>javax.servlet-api</artifactId>
                <version>3.1.0</version>
            </dependency>
            <dependency>
                <groupId>javax.servlet.jsp</groupId>
                <artifactId>javax.servlet.jsp-api</artifactId>
                <version>2.3.2-b01</version>
            </dependency>
            <!-- jstl -->
            <dependency>
                <groupId>javax.servlet</groupId>
                <artifactId>jstl</artifactId>
                <version>1.2</version>
            </dependency>
            <!-- 添加druid连接池包 -->
            <dependency>
                <groupId>com.alibaba</groupId>
                <artifactId>druid</artifactId>
                <version>1.0.24</version>
            </dependency>
            <!-- 添加junit单元测试包 -->
            <dependency>
                <groupId>junit</groupId>
                <artifactId>junit</artifactId>
                <version>4.12</version>
                <scope>test</scope>
            </dependency>
            <dependency>
                <groupId>log4j</groupId>
                <artifactId>log4j</artifactId>
                <version>${log4j.version}</version>
            </dependency>
            
            <dependency>  
                <groupId>com.oracle</groupId>  
                <artifactId>ojdbc14</artifactId>  
                <version>${oracle.version}</version>  
            </dependency>
            <dependency>
                <groupId>commons-logging</groupId>
                <artifactId>commons-logging</artifactId>
                <version>1.2</version>
            </dependency>
            <dependency>
                <groupId>commons-fileupload</groupId>
                <artifactId>commons-fileupload</artifactId>
                <version>1.3.3</version>
            </dependency>
    
            <dependency>
                <groupId>redis.clients</groupId>
                <artifactId>jedis</artifactId>
                <version>2.9.0</version>
            </dependency>
            
            <dependency>
                <groupId>org.springframework.data</groupId>
                <artifactId>spring-data-redis</artifactId>
                <version>1.6.2.RELEASE</version>
            </dependency>
            
            <dependency>
                <groupId>org.mybatis</groupId>
                <artifactId>mybatis-ehcache</artifactId>
                <version>1.0.0</version>
            </dependency>
         </dependencies>
      <build>
        <finalName>maven-tp-web</finalName>
      </build>
    </project>

    2、jdbc.properties

    #JDBCdriver
    jdbc.driverClassName=oracle.jdbc.driver.OracleDriver
    
    #JDBC
    jdbc.url=你的连接服务器
    jdbc.username=数据库账号
    jdbc.password=数据库密码
    jdbc.publickey=阿里秘钥
    
    
    jdbc.dbcp.initialSize=10
    jdbc.dbcp.maxActive=500
    jdbc.dbcp.maxIdle=10
    jdbc.dbcp.minIdle=1
    jdbc.dbcp.maxWait=120000

    3、log4j.properties 可以使用mybatis自带

    4、redis.properties

    redis.host = 192.168.76.76
    redis.port = 6379
    redis.pass = admin
    redis.maxIdle = 200
    redis.maxActive = 1024
    redis.maxWait = 10000
    redis.testOnBorrow = true

    5、spring-source.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-4.3.xsd">
    
        <!-- 引入dbconfig.properties属性文件 -->
        <context:property-placeholder location="classpath:*.properties" />
        
        <!-- 自动扫描(自动注入),扫描me.gacl.service这个包以及它的子包的所有使用@Service注解标注的类 -->
        <context:component-scan base-package="com.tp.soft" />
    </beans>

    6、spring-redis.xml

    <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:mvc="http://www.springframework.org/schema/mvc"
      xmlns:util="http://www.springframework.org/schema/util"
      xmlns:aop="http://www.springframework.org/schema/aop"
      xmlns:context="http://www.springframework.org/schema/context"
      xmlns:task="http://www.springframework.org/schema/task" 
      xsi:schemaLocation="http://www.springframework.org/schema/beans
          http://www.springframework.org/schema/beans/spring-beans-4.3.xsd
          http://www.springframework.org/schema/util
          http://www.springframework.org/schema/util/spring-util-4.3.xsd
          http://www.springframework.org/schema/mvc
          http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsd
          http://www.springframework.org/schema/aop
          http://www.springframework.org/schema/aop/spring-aop-4.3.xsd
          http://www.springframework.org/schema/context
          http://www.springframework.org/schema/context/spring-context-4.3.xsd">
          
          
        <!-- 连接池基本参数配置,类似数据库连接池 -->
         <context:property-placeholder location="classpath*:redis.properties" />
         
        <bean id="poolConfig" class="redis.clients.jedis.JedisPoolConfig">
            <property name="maxIdle" value="${redis.maxIdle}" />
            <property name="testOnBorrow" value="${redis.testOnBorrow}"/>
        </bean>
        
        <!-- 连接池配置,类似数据库连接池 -->
        <bean id="connectionFactory" class="org.springframework.data.redis.connection.jedis.JedisConnectionFactory" >
            <property name="hostName" value="${redis.host}"></property>
            <property name="port" value="${redis.port}"></property>
            <property name="password" value="${redis.pass}"></property>
            <property name="poolConfig"  ref="poolConfig"></property> 
        </bean>
        
        <!-- 调用连接池工厂配置 -->
        <bean id="redisTemplate" class=" org.springframework.data.redis.core.RedisTemplate">
            <property name="connectionFactory" ref="connectionFactory"></property>
            
           <!--  如果不配置Serializer,那么存储的时候智能使用String,如果用User类型存储,那么会提示错误User can't cast   
            to String!!!   -->
             <property name="keySerializer">  
                <bean  
                class="org.springframework.data.redis.serializer.StringRedisSerializer" />  
            </property>  
            <property name="valueSerializer">  
                <bean  
                    class="org.springframework.data.redis.serializer.JdkSerializationRedisSerializer" />  
            </property> 
        </bean>
    </beans>

    7、spring-mybatis.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:tx="http://www.springframework.org/schema/tx"
        xmlns:aop="http://www.springframework.org/schema/aop"
        xsi:schemaLocation="
    http://www.springframework.org/schema/beans 
    http://www.springframework.org/schema/beans/spring-beans-4.3.xsd 
    http://www.springframework.org/schema/tx 
    http://www.springframework.org/schema/tx/spring-tx-4.3.xsd
    http://www.springframework.org/schema/aop 
    http://www.springframework.org/schema/aop/spring-aop-4.3.xsd">
    
      
        <!--Druid 连接池配置-->
        <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close"> 
            <!-- 基本属性 url、user、password -->
            <property name="url" value="${jdbc.url}" />
            <property name="username" value="${jdbc.username}" />
            <property name="password" value="${jdbc.password}" />
            <property name="filters" value="stat,config" />
             <property name="connectionProperties" value="config.decrypt=true;config.decrypt.key=${jdbc.publickey}" />
              
            <!-- 配置初始化大小、最小、最大 -->
            <property name="initialSize" value="1" />
            <property name="minIdle" value="1" /> 
            <property name="maxActive" value="40" />
         
            <!-- 配置获取连接等待超时的时间 -->
            <property name="maxWait" value="60000" />
         
            <!-- 配置间隔多久才进行一次检测,检测需要关闭的空闲连接,单位是毫秒 -->
            <property name="timeBetweenEvictionRunsMillis" value="60000" />
         
            <!-- 配置一个连接在池中最小生存的时间,单位是毫秒 -->
            <property name="minEvictableIdleTimeMillis" value="300000" />
          
            <property name="validationQuery" value="SELECT 'x' FROM DUAL" />
            <property name="testWhileIdle" value="true" />
            <property name="testOnBorrow" value="false" />
            <property name="testOnReturn" value="false" />
         
            <!-- 打开PSCache,并且指定每个连接上PSCache的大小 -->
            <property name="poolPreparedStatements" value="true" />
            <property name="maxPoolPreparedStatementPerConnectionSize" value="20" />
            
            <!-- 超过时间限制是否回收 --> 
            <property name="removeAbandoned" value="true" /> 
            <!-- 超时时间;单位为秒。180秒=3分钟 --> 
            <property name="removeAbandonedTimeout" value="180" /> 
            <!-- 关闭abanded连接时输出错误日志 --> 
            <property name="logAbandoned" value="true" />
         
            <!-- 配置监控统计拦截的filters,去掉后监控界面sql无法统计 -->
            <!-- property name="filters" value="stat" /--> 
        </bean>
        
        
        <!-- 配置sqlSessionFactory -->
        <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
            <!-- 实例化sqlSessionFactory时需要使用上述配置好的数据源以及SQL映射文件 -->
            <property name="dataSource" ref="dataSource" />
            <!-- 自动扫描me/gacl/mapping/目录下的所有SQL映射的xml文件, 省掉Configuration.xml里的手工配置 value="classpath:com/mapper/*.xml"指的是classpath(类路径)下com.mapping包中的所有xml文件 
                UserMapper.xml位于com.mapping包下,这样UserMapper.xml就可以被自动扫描 -->
             <property name="mapperLocations" value="classpath:com/tp/soft/mapper/*.xml" />
             <property name="configLocation" value="classpath:mybatis/myBatis.xml"/>
        </bean>
        
        <!-- 配置扫描器 -->
        <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
            <!-- 扫描com.dao这个包以及它的子包下的所有映射接口类 -->
            <property name="basePackage" value="com.tp.soft.dao" />
            <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory" />
        </bean>
    </beans>

    8、myBatis.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>
            <!-- 日志开启 -->
            <setting name="logImpl" value="LOG4J"/>
            <!-- 二级缓存开启 -->
            <setting name="cacheEnabled" value="true"/>
            <setting name="lazyLoadingEnabled" value="false"/>
            <setting name="aggressiveLazyLoading" value="true"/>
        </settings>
        <!-- 配置映射类的别名 -->
        
        <typeAliases>
            <!-- 配置entity下的所有别名 别名首字母小写 -->
            <package name="com.tp.soft.entity" />
        </typeAliases>
    </configuration>  

    9、User.java

    package com.tp.soft.entity;
    
    import java.io.Serializable;
    
    public class User implements Serializable{
    
        /**
         * 
         */
        private static final long serialVersionUID = -1695973853274402680L;
        
        private int userid;
        
        private String login_name;
        
        private String login_pwd;
    
        
        public User() {
            
        }
    
    
        public User(int userid, String login_name, String login_pwd) {
            super();
            this.userid = userid;
            this.login_name = login_name;
            this.login_pwd = login_pwd;
        }
    
    
        public int getUserid() {
            return userid;
        }
    
    
        public void setUserid(int userid) {
            this.userid = userid;
        }
    
    
        public String getLogin_name() {
            return login_name;
        }
    
    
        public void setLogin_name(String login_name) {
            this.login_name = login_name;
        }
    
    
        public String getLogin_pwd() {
            return login_pwd;
        }
    
    
        public void setLogin_pwd(String login_pwd) {
            this.login_pwd = login_pwd;
        }
    
    
    }

    10、几个工具类

    redisUtil.java 连接池类

    package com.tp.soft.redis;
    
    import redis.clients.jedis.Jedis;
    import redis.clients.jedis.JedisPool;
    import redis.clients.jedis.JedisPoolConfig;
    
    public class JedisUtil {
        private static String ADDR = "192.168.76.76";
        private static int PORT = 6379;
        private static String AUTH = "admin";
        
        private static int MAX_ACTIVE = 1024;
        
        private static int MAX_IDLE = 200;
        
        private static int MAX_WAIT = 10000;
        
        private static int TIMEOUT = 10000;
        
        private static boolean TEST_ON_BORROW = true;
        
        private static JedisPool jedisPool = null;
        
        static {
            try{
                JedisPoolConfig config = new JedisPoolConfig();
                config.setMaxIdle(MAX_IDLE);
                config.setMaxWaitMillis(MAX_WAIT);
                config.setTestOnBorrow(TEST_ON_BORROW);
                jedisPool = new JedisPool(config,ADDR,PORT,TIMEOUT,AUTH);
            }catch (Exception e) {
                e.printStackTrace();
            }
        }
        
        public synchronized static Jedis getJedis(){
            try{
                if(jedisPool != null){
                    Jedis jedis = jedisPool.getResource();
                    return jedis;
                }else{
                    return null;
                }
            }catch (Exception e) {
                e.printStackTrace();
                return null;
            }
        }
        
        public static void returnResource(final Jedis jedis){
            if(jedis != null){
                jedisPool.returnResource(jedis);
            }
        }
    }

    SerializeUtil.java 序列化类

    package com.tp.soft.redis;
    
    import java.io.ByteArrayInputStream;
    import java.io.ByteArrayOutputStream;
    import java.io.ObjectInputStream;
    import java.io.ObjectOutputStream;
    
    public class SerializeUtil {
        public static byte[] serialize(Object object) {
            ObjectOutputStream oos = null;
            ByteArrayOutputStream baos = null;
            try {
                // 序列化
                baos = new ByteArrayOutputStream();
                oos = new ObjectOutputStream(baos);
                oos.writeObject(object);
                byte[] bytes = baos.toByteArray();
                return bytes;
            } catch (Exception e) {
                e.printStackTrace();
            }
            return null;
        }
    
        public static Object unserialize(byte[] bytes) {
            if (bytes == null)
                return null;
            ByteArrayInputStream bais = null;
            try {
                // 反序列化
                bais = new ByteArrayInputStream(bytes);
                ObjectInputStream ois = new ObjectInputStream(bais);
                return ois.readObject();
            } catch (Exception e) {
                e.printStackTrace();
            }
            return null;
        }
    }

    RedisCache.java 缓存类

    package com.tp.soft.redis;
    
    import java.util.concurrent.locks.ReadWriteLock;
    import java.util.concurrent.locks.ReentrantReadWriteLock;
    
    import org.apache.ibatis.cache.Cache;
    
    /*
     * 使用第三方缓存服务器,处理二级缓存
     */
    public class RedisCache implements Cache {
        private final ReadWriteLock readWriteLock = new ReentrantReadWriteLock();
    
        private String id;
    
        public RedisCache(final String id) {
            if (id == null) {
                throw new IllegalArgumentException("Cache instances require an ID");
            }
            this.id = id;
    
        }
    
        public String getId() {
            return this.id;
        }
    
        public void putObject(Object key, Object value) {
            JedisUtil.getJedis().set(SerializeUtil.serialize(key.toString()),
                    SerializeUtil.serialize(value));
    
        }
    
        public Object getObject(Object key) {
            Object value = SerializeUtil.unserialize(JedisUtil.getJedis().get(
                    SerializeUtil.serialize(key.toString())));
            return value;
    
        }
    
        public Object removeObject(Object key) {
            return JedisUtil.getJedis().expire(
                    SerializeUtil.serialize(key.toString()), 0);
    
        }
    
        public void clear() {
            JedisUtil.getJedis().flushDB();
        }
    
        public int getSize() {
            return Integer.valueOf(JedisUtil.getJedis().dbSize().toString());
        }
    
        public ReadWriteLock getReadWriteLock() {
            return readWriteLock;
        }
    
    }

    11、UserMapper.xml

    如果设置useCache="false" 则不进入二级redis缓存

    <?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.tp.soft.dao.UserMapper">
        <!-- 缓存类配置 -->
        <cache type="com.tp.soft.redis.RedisCache" />
        
        <select id="getUserById" parameterType="int" resultType="user" useCache="true"> 
            select * from AU_USER where userid = #{id}
        </select>
    </mapper>

    12、UserMapper.java

    package com.tp.soft.dao;
    
    import com.tp.soft.entity.User;
    
    public interface UserMapper {
        public User getUserById(int id);
    }

    13、UserSvc.java

    package com.tp.soft.service;
    
    import com.tp.soft.entity.User;
    
    public interface UserSvc {
        public User getUser(int id);
    }

    14、UserSvcImpl.java

    package com.tp.soft.service.impl;
    
    import javax.annotation.Resource;
    
    import org.springframework.dao.DataAccessException;
    import org.springframework.stereotype.Service;
    
    import com.tp.soft.dao.UserMapper;
    import com.tp.soft.entity.User;
    import com.tp.soft.service.UserSvc;
    
    @Service("userService")
    public class UserSvcImpl implements UserSvc{
    
        @Resource
        private UserMapper userMapper;
        
        public User getUser(int id) {
            User user = null;
            try{
                user = userMapper.getUserById(id);
            }catch (DataAccessException e) {
                System.out.println(e.getLocalizedMessage());
            }
            return user;
        }
    
    }

    15、配置springmvc

    <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:mvc="http://www.springframework.org/schema/mvc"
      xmlns:util="http://www.springframework.org/schema/util"
      xmlns:aop="http://www.springframework.org/schema/aop"
      xmlns:context="http://www.springframework.org/schema/context"
      xmlns:task="http://www.springframework.org/schema/task" 
      xsi:schemaLocation="http://www.springframework.org/schema/beans
          http://www.springframework.org/schema/beans/spring-beans-4.3.xsd
          http://www.springframework.org/schema/util
          http://www.springframework.org/schema/util/spring-util-4.3.xsd
          http://www.springframework.org/schema/mvc
          http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsd
          http://www.springframework.org/schema/aop
          http://www.springframework.org/schema/aop/spring-aop-4.3.xsd
          http://www.springframework.org/schema/context
          http://www.springframework.org/schema/context/spring-context-4.3.xsd">
          
    <!-- 设置注解扫描包 只扫描@Controller注解 -->
        <context:component-scan base-package="com.tp.soft" use-default-filters="false">
            <context:include-filter type="annotation" expression="org.springframework.stereotype.Controller" />
        </context:component-scan>
          <mvc:annotation-driven />
        <!-- 静态资源 -->
        <mvc:default-servlet-handler/>
        
        <!-- 默认视图解析器 -->
        <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver" p:order="3">
            <property name="suffix" value=".jsp" />
            <property name="prefix" value="/WEB-INF/pages/"></property>
        </bean>
    
        <!-- SpringMVC上传文件时,需配置MultipartResolver处理器 -->
        <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver" p:defaultEncoding="UTF-8">
            <!-- 指定所上传文件的总大小不能超过104857600......注意maxUploadSize属性的限制不是针对单个文件,而是所有文件的容量之和 -->
            <property name="maxUploadSize" value="104857600" />
            <property name="maxInMemorySize" value="4096"/>
        </bean>    
    </beans>  

    16、配置web.xml

    <?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" xmlns:jsp="http://java.sun.com/xml/ns/javaee/jsp" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" version="2.5">
     
    <display-name>ssm整合(maven)</display-name>
    
    
    <!-- spring配置文件整合配置 -->
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:spring/spring-source.xml, classpath:spring/spring-mybatis.xml</param-value>
      </context-param>
    
    <listener>
      <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>
    
    <!-- springmvc配置 -->
    <servlet>
        <servlet-name>spring</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <init-param>
          <param-name>contextConfigLocation</param-name>
          <param-value>classpath:spring/spring-mvc.xml</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
      </servlet>
      <servlet-mapping>
        <servlet-name>spring</servlet-name>
        <url-pattern>/</url-pattern>
      </servlet-mapping>
    
    <!-- druid 监控 -->
    <servlet> 
         <servlet-name>DruidStatView</servlet-name> 
         <servlet-class>com.alibaba.druid.support.http.StatViewServlet</servlet-class> 
     </servlet> 
     <servlet-mapping> 
         <servlet-name>DruidStatView</servlet-name> 
         <url-pattern>/druid/*</url-pattern> 
     </servlet-mapping> 
     <filter> 
      <filter-name>druidWebStatFilter</filter-name> 
      <filter-class>com.alibaba.druid.support.http.WebStatFilter</filter-class> 
      <init-param> 
       <param-name>exclusions</param-name> 
       <param-value>/public/*,*.js,*.css,/druid*,*.jsp,*.swf</param-value> 
      </init-param> 
      <init-param> 
       <param-name>principalSessionName</param-name> 
       <param-value>sessionInfo</param-value> 
      </init-param> 
      <init-param> 
       <param-name>profileEnable</param-name> 
       <param-value>true</param-value> 
      </init-param> 
     </filter> 
     <filter-mapping> 
      <filter-name>druidWebStatFilter</filter-name> 
      <url-pattern>/*</url-pattern> 
     </filter-mapping>
    
    </web-app>

    17、UserController.java

    package com.tp.soft.controller;
    
    import java.util.HashMap;
    import java.util.Map;
    
    import javax.annotation.Resource;
    
    import org.springframework.stereotype.Controller;
    import org.springframework.web.bind.annotation.RequestMapping;
    import org.springframework.web.servlet.ModelAndView;
    
    import com.tp.soft.entity.User;
    import com.tp.soft.service.UserSvc;
    
    @Controller
    public class UserController {
        
        @Resource
        private UserSvc userSvc;
        
        @RequestMapping(value="/toQueryUser")
        public ModelAndView toQueryUser(){
            User user = userSvc.getUser(21);
            Map<String, Object> map = new HashMap<String, Object>();
            map.put("user", user);
            return new ModelAndView("/pc/userTest", map);
        }
    }

    18、访问

    http://localhost/taop-web-redis/toQueryUser 第一次

    结果

    访问第二次 

    结果

      不再打印sql

    当清空缓存数据

    再请求链接

    结果

    到此 搭建结束,后期将强化项目架构。

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  • 原文地址:https://www.cnblogs.com/tplovejava/p/7161446.html
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