-#簡單的SSS整合(Sping,SpringMVC,SpringData)+redis緩存服務配置
目錄結構
說明
SpringData JPA底層依賴Hibernate實現
該項目爲maven聚合項目
agg 項目(聚合項目-父項目)
pom.xml(聚合項目-同時也是父項目)
<?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>com.qfedu</groupId>
<artifactId>mooc1706</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>pom</packaging>
<!-- 實際開發中聚合項目通常也是父項目 -->
<!-- 配置聚合項目是通過聚合項目可以管理其他項目 -->
<!-- 通過modules標籤配置被聚合項目管理的其他項目 -->
<modules>
<module>../mooc1706common</module>
<module>../mooc1706course</module>
</modules>
<!-- 通過properties標籤配置公用屬性 -->
<!-- 通過dependencyManagement標籤管理依賴項 -->
<!-- 通過pluginManagement標籤管理插件 -->
<!-- 子項目繼承父項目以後可以使用統一的配置 -->
<properties>
<spring.version>4.3.12.RELEASE</spring.version>
</properties>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context-support</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-orm</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-test</artifactId>
<version>${spring.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-jpa</artifactId>
<version>1.11.9.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-redis</artifactId>
<version>1.8.9.RELEASE</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>5.2.10.Final</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.38</version>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>1.1.5</version>
</dependency>
<dependency>
<groupId>commons-codec</groupId>
<artifactId>commons-codec</artifactId>
<version>1.11</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.9.2</version>
</dependency>
<dependency>
<groupId>org.freemarker</groupId>
<artifactId>freemarker</artifactId>
<version>2.3.23</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>redis.clients</groupId>
<artifactId>jedis</artifactId>
<version>2.9.0</version>
</dependency>
<!--logback日誌-->
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
<version>1.2.3</version>
<scope>test</scope>
</dependency>
</dependencies>
</dependencyManagement>
<build>
<pluginManagement>
<plugins>
</plugins>
</pluginManagement>
</build>
</project>
common 項目(子項目)
jdbc.properties(數據源信息-經過AES或RSA加密)
jdbc_url=jdbc:mysql://120.77.222.217:3306/mooc
jdbc_user=rbwxfHm7hLRZM/E8mMeGxg==
jdbc_password=mz4dq8byXGNyeRGtpxvXGw==
spring-persistence.xml (Spring配置文件)
<?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:jpa="http://www.springframework.org/schema/data/jpa"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd
http://www.springframework.org/schema/data/jpa
http://www.springframework.org/schema/data/jpa/spring-jpa.xsd">
<!-- 配置屬性佔位符的處理對象 該對象可以讀取指定的配置文件獲取參數 -->
<!-- 如果參數值是經過特殊處理的值 那麼就需要繼承該類自定義屬性佔位符處理對象 -->
<!--<bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="locations" value="classpath:jdbc.properties"/>
</bean>-->
<!-- 繼承PropertyPlaceholderConfigurer類,自定義解密 -->
<bean class="com.lyx.mooc.util.MyPropertyPlaceholderConfigurer">
<property name="locations" value="classpath:jdbc.properties"/>
</bean>
<!-- SpringData jpa 自己寫實現類時,配置實現類的後綴(默認 Impl) -->
<!--<jpa:repositories base-package="com.lyx.mooc.persistence"
repository-impl-postfix="Helper"/>-->
<!-- 配置數據庫連接池 -->
<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">
<!-- 基本屬性 url、user、password -->
<property name="url" value="${jdbc_url}" />
<property name="username" value="${jdbc_user}" />
<property name="password" value="${jdbc_password}" />
<!-- 配置初始化大小、最小、最大 -->
<property name="initialSize" value="10" />
<property name="minIdle" value="10" />
<property name="maxActive" value="50" />
<!-- 配置獲取連接等待超時的時間 -->
<property name="maxWait" value="10000" />
<!-- 配置間隔多久才進行一次檢測,檢測需要關閉的空閒連接,單位是毫秒 -->
<property name="timeBetweenEvictionRunsMillis" value="60000" />
<!-- 配置一個連接在池中最小生存的時間,單位是毫秒 -->
<property name="minEvictableIdleTimeMillis" value="300000" />
<property name="validationQuery" value="SELECT 'x'" />
<property name="testWhileIdle" value="true" />
<property name="testOnBorrow" value="false" />
<property name="testOnReturn" value="false" />
<!-- 打開PSCache,並且指定每個連接上PSCache的大小 -->
<property name="poolPreparedStatements" value="true" />
<property name="maxPoolPreparedStatementPerConnectionSize" value="20" />
<!-- 配置監控統計攔截的filters -->
<property name="filters" value="stat" />
</bean>
<!-- 配置JPA底層依賴的ORM框架實現的適配器對象 -->
<bean id="jpaVendorAdapter" class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter">
<property name="database" value="MYSQL" />
<property name="showSql" value="true" />
<property name="databasePlatform" value="org.hibernate.dialect.MySQL57Dialect" />
</bean>
<!-- 配置EntityManagerFactory對象-->
<bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
<property name="dataSource" ref="dataSource" />
<property name="jpaVendorAdapter" ref="jpaVendorAdapter" />
<property name="packagesToScan" value="com.lyx.mooc.domain" />
</bean>
<!-- 配置JPA事務管理器對象 -->
<bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
<property name="entityManagerFactory" ref="entityManagerFactory" />
</bean>
<!-- 配置聲明式事務 (在需要事務環境的地方只需要通過註解進行說明即可) -->
<tx:annotation-driven />
</beans>
logback.xml (logback日誌的配置文件)
<?xml version="1.0" encoding="UTF-8"?>
<configuration debug="false">
<!--定義日誌文件的存儲地址 勿在 LogBack 的配置中使用相對路徑-->
<property name="LOG_HOME" value="/mooc-log-home" />
<!-- 控制檯輸出 -->
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">
<!--格式化輸出:%d表示日期,%thread表示線程名,%-5level:級別從左顯示5個字符寬度%msg:日誌消息,%n是換行符-->
<pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{50} - %msg%n</pattern>
</encoder>
</appender>
<!-- 按照每天生成日誌文件 -->
<appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<!--日誌文件輸出的文件名-->
<FileNamePattern>${LOG_HOME}/mooc.log.%d{yyyy-MM-dd}.log</FileNamePattern>
<!--日誌文件保留天數-->
<MaxHistory>30</MaxHistory>
</rollingPolicy>
<encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">
<!--格式化輸出:%d表示日期,%thread表示線程名,%-5level:級別從左顯示5個字符寬度%msg:日誌消息,%n是換行符-->
<pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{50} - %msg%n</pattern>
</encoder>
<!--日誌文件最大的大小-->
<triggeringPolicy class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
<MaxFileSize>10MB</MaxFileSize>
</triggeringPolicy>
</appender>
<!-- 日誌輸出級別 -->
<root level="INFO">
<appender-ref ref="STDOUT" />
<appender-ref ref="FILE" />
</root>
</configuration>
course 項目(子項目)
spring-service-course.xml (需要導入common項目的Spring配置文件)
<?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"
xmlns:cache="http://www.springframework.org/schema/cache"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/cache
http://www.springframework.org/schema/cache/spring-cache.xsd">
<!-- 配置掃描哪個包及其子包來發現需要納入Spring IoC容器管理的對象 -->
<context:component-scan base-package="com.lyx.mooc.service" />
<context:annotation-config />
<import resource="classpath*:spring-persistence.xml" />
<!-- 配置使用聲明式緩存服務 -->
<cache:annotation-driven />
<!-- 配置Jedis連接池配置對象 -->
<bean id="jedisPoolConfig" class="redis.clients.jedis.JedisPoolConfig">
<property name="minIdle" value="10" />
<property name="maxIdle" value="100" />
<property name="maxTotal" value="1000" />
<property name="maxWaitMillis" value="500" />
</bean>
<!-- 配置Jedis連接工廠對象 -->
<bean id="redisConnectionFactory" class="org.springframework.data.redis.connection.jedis.JedisConnectionFactory">
<property name="poolConfig" ref="jedisPoolConfig" />
<property name="hostName" value="120.77.222.217" />
<property name="port" value="10086" />
<property name="password" value="asdfghjkl" />
<property name="timeout" value="10000" />
</bean>
<!-- 配置Spring封裝的RedisTemplate對象 -->
<bean id="redisTemplate" class="org.springframework.data.redis.core.RedisTemplate">
<property name="connectionFactory" ref="redisConnectionFactory" />
</bean>
<!-- 配置Redis緩存管理器對象 -->
<bean id="cacheManager" class="org.springframework.data.redis.cache.RedisCacheManager">
<constructor-arg ref="redisTemplate" />
</bean>
</beans>
spring-mvc.xml (SpringMVC配置文件)
<?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"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd">
<!-- 配置在哪個包及其子包下找到控制器並將其對象納入IoC容器的管理 -->
<context:component-scan base-package="com.lyx.mooc.controller" />
<!-- 以註解的方式配置Spring MVC -->
<mvc:annotation-driven>
<!-- 消息轉換器: 用於將對象進行序列化處理以便作爲HTTP協議消息體返回給客戶端 -->
<mvc:message-converters>
<bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter" />
<bean class="org.springframework.http.converter.StringHttpMessageConverter" />
</mvc:message-converters>
</mvc:annotation-driven>
<!-- 配置如何處理靜態資源 -->
<mvc:default-servlet-handler />
<!-- 配置JSP的視圖解析器 -->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="viewClass" value="org.springframework.web.servlet.view.JstlView" />
<property name="prefix" value="/WEB-INF/jsp/" />
<property name="suffix" value=".jsp" />
<property name="order" value="16" />
</bean>
<!-- Freemarker / Velocity / Thymeleaf -->
<!-- 配置Freemarker模板引擎 -->
<bean class="org.springframework.web.servlet.view.freemarker.FreeMarkerConfigurer">
<property name="templateLoaderPath" value="/WEB-INF/ftl/" />
<property name="defaultEncoding" value="utf-8" />
<property name="freemarkerSettings">
<props>
<prop key="classic_compatible">true</prop>
</props>
</property>
</bean>
<!-- 配置Freemarker視圖解析器 -->
<bean class="org.springframework.web.servlet.view.freemarker.FreeMarkerViewResolver">
<property name="suffix" value=".ftl" />
<property name="contentType" value="text/html; charset=utf-8" />
<property name="cache" value="true" />
<property name="order" value="2" />
</bean>
</beans>
web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.1"
xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee
http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd">
<!-- 前端控制器 (門面模式) -->
<servlet>
<servlet-name>dispatcher</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<load-on-startup>1</load-on-startup>
<multipart-config />
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring-mvc.xml</param-value>
</init-param>
</servlet>
<servlet-mapping>
<servlet-name>dispatcher</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring-service.xml</param-value>
</context-param>
<!-- 配置創建Spring IoC容器的上下文監聽器 -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!-- 編碼過濾器 -->
<filter>
<filter-name>encoding</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>encoding</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
</web-app>
redis 在業務層進行緩存的實現
package com.qfedu.mooc1706.service.impl;
import com.lyx.mooc.domain.CourseCatalog;
import com.lyx.mooc.mapper.CourseCatalogMapper;
import com.lyx.mooc.persistence.CourseCatalogDao;
import com.lyx.mooc.service.CourseService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.CachePut;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import java.util.List;
@Service
@Transactional
public class CourseServiceImpl implements CourseService {
@Autowired
private CourseCatalogDao courseCatalogDao;
@Cacheable(value = "catalogs")
@Override
public List<CourseCatalog> listAllCourseCatalogs() {
return courseCatalogDao.findByParentIsNull();
}
@Cacheable(value = "catalogs", key = "#id")
@Override
public CourseCatalog getCourseCatalogById(Integer id) {
return courseCatalogDao.findOne(id);
}
@CachePut(value = "catalogs", key = "#result.id")
@Override
public CourseCatalog addNewCourseCatalog(CourseCatalog catalog) {
return courseCatalogDao.save(catalog);
}
@CacheEvict(value = "catalogs", key = "#id")
@Override
public void removeCourseCatalogById(Integer id) {
courseCatalogDao.delete(id);
}
}