分类:
Dubbo
一、
案例、
1、创建空项目
给项目设置jdk
创建完后的样子
2、设置Maven
3、创建模块
3.1、创建bubbo-service模块
模块的位置：选到空项目的位置以后加上 ”\模块名称“就是模块的位置
3.2、创建bubbo-web模块，和上面一样。
将来用web模块依赖于service模块。
两个模块创建完后的样子
4、导入坐标
4.1、dubbo-service模块的坐标
<properties>
<spring.version>5.1.9.RELEASE</spring.version>
<dubbo.version>2.7.4.1</dubbo.version>
<zookeeper.version>4.0.0</zookeeper.version>
</properties>
<dependencies>
<!-- servlet规范-->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
<scope>provided</scope>
</dependency>
<!-- spring-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${spring.version}</version>
</dependency>
<!--springMVC-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${spring.version}</version>
</dependency>
<!-- 日志-->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>1.7.21</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>1.7.21</version>
</dependency>
<!--Dubbo的起步依赖，版本2.7之后统一为rg.apache .dubb -->
<dependency>
<groupId>org.apache.dubbo</groupId>
<artifactId>dubbo</artifactId>
<version>${dubbo.version}</version>
</dependency>
<!-- zookeeper客户端实现-->
<dependency>
<groupId>org.apache.curator</groupId>
<artifactId>curator-framework</artifactId>
<version>${zookeeper.version}</version>
</dependency>
<!-- zookeeper客户端实现-->
<dependency>
<groupId>org.apache.curator</groupId>
<artifactId>curator-recipes</artifactId>
<version>${zookeeper.version}</version>
</dependency>
</dependencies>4.2、dubbo-web模块的坐标，注意：因为它是web项目所以最好打war包，还有它依赖于dubbo-service模块
<!-- 打war包-->
<packaging>war</packaging>
<!-- 版本控制-->
<properties>
<spring.version>5.1.9.RELEASE</spring.version>
<dubbo.version>2.7.4.1</dubbo.version>
<zookeeper.version>4.0.0</zookeeper.version>
</properties>
<dependencies>
<!-- servlet规范-->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
<scope>provided</scope>
</dependency>
<!-- spring-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${spring.version}</version>
</dependency>
<!--springMVC-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${spring.version}</version>
</dependency>
<!-- 日志-->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>1.7.21</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>1.7.21</version>
</dependency>
<!--Dubbo的起步依赖，版本2.7之后统一为rg.apache .dubb -->
<dependency>
<groupId>org.apache.dubbo</groupId>
<artifactId>dubbo</artifactId>
<version>${dubbo.version}</version>
</dependency>
<!-- zookeeper客户端实现-->
<dependency>
<groupId>org.apache.curator</groupId>
<artifactId>curator-framework</artifactId>
<version>${zookeeper.version}</version>
</dependency>
<!-- zookeeper客户端实现-->
<dependency>
<groupId>org.apache.curator</groupId>
<artifactId>curator-recipes</artifactId>
<version>${zookeeper.version}</version>
</dependency>
<!-- 依赖dubbo-service模块-->
<dependency>
<groupId>com.itheima</groupId>
<artifactId>dubbo-service</artifactId>
<version>1.0-SNAPSHOT</version>
</dependency>
</dependencies>
<build>
<plugins>
<!-- tomcat7-->
<plugin>
<groupId>org.apache.tomcat.maven</groupId>
<artifactId>tomcat7-maven-plugin</artifactId>
<version>2.1</version>
<!--http默认端口改为8000端口-->
<configuration>
<!--修改tomcat启动的端口号-->
<port>8000</port>
<!--
修改tomcat部署当前项目的虚拟目录(项目的访问根路径)
这改为 / 就表示你访问localhost/就是你的index页面
-->
<path>/</path>
</configuration>
</plugin>
</plugins>
</build>5、dubbo-service模块创建的内容
5.1、红线为新创建的内容
5.2、applicationContext.xml的配置（对spring的配置）
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:context="http://www.springframework.org/schema/context" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 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"> <!-- 包扫描--> <context:component-scan base-package="com.itheima.service"/> </beans>
5.3、log4j.properties的配置（配置日志）
# 配置根Logger
log4j.rootLogger=info, ServerDailyRollingFile, stdout
# 有关日志输出位置的配置命名
# ServerDailyRollingFile代表每天产生一个日志文件
log4j.appender.ServerDailyRollingFile=org.apache.log4j.DailyRollingFileAppender
# 设置时间格式
log4j.appender.ServerDailyRollingFile.DatePattern='.'yyyy-MM-dd
# 日志文件生成路径
log4j.appender.ServerDailyRollingFile.File=logs/notify-subscription.log
# 日志格式
# PatternLayout可以灵活指定布局模式
log4j.appender.ServerDailyRollingFile.layout=org.apache.log4j.PatternLayout
log4j.appender.ServerDailyRollingFile.layout.ConversionPattern=%d - %m%n
# 将消息增加到指定文件中，false指消息将覆盖指定文件的内容
log4j.appender.ServerDailyRollingFile.Append=true
# 配置输出到控制台
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} %p [%c] %m%n6、对dubbo-web模块的配置
6.1、红线为新创建的内容
6.2、springmvc.xml的配置
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:context="http://www.springframework.org/schema/context" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 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"> <!-- 扫描sprig的bean--> <context:component-scan base-package="com.itheima.controller"/> <!-- mvc驱动--> <mvc:annotation-driven/> </beans>
6.3、log4j.properties的配置和上面dubbo-service模块的日志配置一样
6.4、web.xml的配置
<?xml version="1.0" encoding="UTF-8"?> <web-app xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" version="3.0"> <!--对spring配置的加载--> <context-param> <param-name>contextConfigLocation</param-name> <param-value>classpath*:spring/applicationContext.xml</param-value> </context-param> <!--启动服务器时，通过监听器加载spring运行环境--> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <!--用于解决中文乱码--> <filter> <filter-name>CharacterEncodingFilter</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> </filter> <filter-mapping> <filter-name>CharacterEncodingFilter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <!--拦截--> <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/springmvc.xml</param-value> </init-param> </servlet> <!-- <servlet-mapping>--> <!-- <servlet-name>DispatcherServlet</servlet-name>--> <!-- <url-pattern>/</url-pattern>--> <!-- </servlet-mapping>--> <servlet-mapping> <servlet-name>springmvc</servlet-name> <url-pattern>*.do</url-pattern> </servlet-mapping> </web-app>
7、对dubbo-service模块进行install的作用（maven的install可以将项目/模块本身编译并打包到本地仓库）
7.1、
对dubbo-service模块执行install命令
8、给dubbo-web模块写启动的命令。和步骤7类似
9、启动dubbo-web模块
启动后的端口
10、测试
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