spring+redis整合,策略設計,靈活配置,支援單機和叢集
阿新 • • 發佈：2018-12-25
spring+redis整合,策略設計,支援單機和叢集
前言
單JVM保證併發資料安全
1.執行緒同步鎖,synchronized(this)或者Lock介面
2.資料表增加版本號欄位,update where條件後面跟上版本號.這樣就只會更新一次
3.利用資料庫特性,悲觀鎖,效能較低,不推薦這裡主要用redis作快取,實現分散式叢集業務鎖(多JVM環境)環境準備
博主一慣基於自己ssm專案在做整合.可謂是大雜燴,後期還會逐步新增各種javaEE技術
目前是spring+springmvc+mybatis+redis+actvemq+dubbo+redis+log4j+quartz
還有很多細節未處理,大家見諒,專案可以執行,一切正常,已測試.
請注意本地需要activemq,redis環境.如果整合dubbo,還需要zookeeper作註冊中心
技術交流可以加QQ757617714 pom.xml匯入依賴
<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 Servlet容器入口web.xml
只在web.xml載入spring.xml.整合的XML在spring.xml引入.給人感覺賞心悅目,養成搭建習慣<?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"
version="3.0">
<display-name>ssm</display-name>
<!-- 載入spring容器管理的所有bean -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring.xml</param-value>
</context-param>
<!-- 編碼過濾器 -->
<filter>
<filter-name>encodingFilter</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<async-supported>true</async-supported>
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>encodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!-- Spring監聽器 -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!-- 防止Spring記憶體溢位監聽器 -->
<listener>
<listener-class>org.springframework.web.util.IntrospectorCleanupListener</listener-class>
</listener>
<!-- Spring MVC servlet -->
<servlet>
<servlet-name>SpringMVC</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring-mvc.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
<async-supported>true</async-supported>
</servlet>
<servlet-mapping>
<servlet-name>SpringMVC</servlet-name>
<!-- 此處可以可以配置成*.do，對應struts的字尾習慣 -->
<url-pattern>/</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>/index.jsp</welcome-file>
</welcome-file-list>
</web-app>
spring容器核心配置檔案和properties檔案
spring.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"
xmlns:task="http://www.springframework.org/schema/task"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-4.0.xsd
http://www.springframework.org/schema/task
http://www.springframework.org/schema/task/spring-task-4.0.xsd ">
<!-- 自動掃描 -->
<context:component-scan base-package="com.ssm" />
<!-- 引入配置檔案 -->
<bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="locations">
<list>
<value>classpath:redis.properties</value>
<value>classpath:jdbc.properties</value>
<value>classpath:log4j.properties</value>
</list>
</property>
</bean>
<!-- 引入activemq -->
<import resource="spring-active.xml"/>
<!-- 引入mvc -->
<import resource="spring-mvc.xml"/>
<!-- 引入mybatis -->
<import resource="spring-mybatis.xml"/>
<!-- 引入redis -->
<import resource="spring-redis.xml"/>
<!-- 引入定時任務 --><!-- job會不停的打日誌,先註釋掉,放開JOB就會跑 -->
<!-- <import resource="spring-quartz.xml"/> -->
</beans> 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:p="http://www.springframework.org/schema/p"
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-3.1.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.1.xsd