Simple Dubbo Demo

最新推荐文章于 2021-08-24 23:37:25 发布

tracy9171

最新推荐文章于 2021-08-24 23:37:25 发布

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分类专栏： dubbo 文章标签： dubbo

本文链接：https://blog.youkuaiyun.com/tracy9171/article/details/82732482

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Service端

1、interface
public interface UserService {
public String getName();
}

2、impl
import com.alibaba.dubbo.config.annotation.Service;
import cn.kgc.demo.service.UserService;
@Service
public class UserServiceImpl implements UserService {
@Override
public String getName() {
// TODO Auto-generated method stub
return “hello world!”;
}
}
3、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”
xsi:schemaLocation=”http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd”
version=”2.5”>

<!-- 加载spring容器 -->
<context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>classpath:applicationContext*.xml</param-value>
</context-param>
<listener>
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>

4、applicationContext.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:dubbo=”http://code.alibabatech.com/schema/dubbo” 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/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd
http://code.alibabatech.com/schema/dubbo http://code.alibabatech.com/schema/dubbo/dubbo.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd“>

《dubbo:registry address=”zookeeper://192.168.25.128:2181”/>
《dubbo:annotation package=”cn.kgc.demo.service.impl” />
《/beans>

web端
1、Controller层
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import com.alibaba.dubbo.config.annotation.Reference;
import cn.kgc.demo.service.UserService;

@Controller
@RequestMapping(“/user”)
public class UserController {

@Reference
private UserService userService;

@RequestMapping("/showName")
@ResponseBody
public String showName(){   
    return userService.getName();
}

}
2、service
public interface UserService {
public String getName();
}

3、Spring MVC .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:dubbo=”http://code.alibabatech.com/schema/dubbo” 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/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd
http://code.alibabatech.com/schema/dubbo http://code.alibabatech.com/schema/dubbo/dubbo.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd“>

<mvc:annotation-driven >
    <mvc:message-converters register-defaults="false">
        <bean class="org.springframework.http.converter.StringHttpMessageConverter">  
            <constructor-arg value="UTF-8" />
        </bean>  
    </mvc:message-converters>   
</mvc:annotation-driven>

《dubbo:application name=”dubboxdemo-web”/>
《dubbo:registry address=”zookeeper://192.168.25.128:2181”/>
《dubbo:annotation package=”cn.kgc.controllers” />
《/beans>

4、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”
xsi:schemaLocation=”http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd”
version=”2.5”>
《!– 解决post乱码 –>
《filter>
《filter-name>CharacterEncodingFilter
《filter-class>org.springframework.web.filter.CharacterEncodingFilter
《/filter-class>
《init-param>
《param-name>encoding
《param-value>utf-8
《/init-param>
《init-param>
《param-name>forceEncoding
《param-value>true
《/init-param>
《/filter>
《filter-mapping>
《filter-name>CharacterEncodingFilter
《url-pattern>/*
《/filter-mapping>

《servlet>
《servlet-name>springmvc
《servlet-class>org.springframework.web.servlet.DispatcherServlet
《/servlet-class>
《!– 指定加载的配置文件，通过参数contextConfigLocation加载–>
《init-param>
《param-name>contextConfigLocation
《param-value>classpath:springmvc.xml
《/init-param>
《/servlet>

《servlet-mapping>
《servlet-name>springmvc
《url-pattern>*.do《/url-pattern>
《/servlet-mapping>
《/web-app>

5、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/xsd/maven-4.0.0.xsd“>
4.0.0
com.kgc.demo
dubboxdemo-web
0.0.1-SNAPSHOT
war

 <properties>       
    <spring.version>4.2.4.RELEASE</spring.version>

<dependencies>
    <!-- Spring -->
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-context</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-webmvc</artifactId>
        <version>${spring.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-jdbc</artifactId>
        <version>${spring.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-aspects</artifactId>
        <version>${spring.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-jms</artifactId>
        <version>${spring.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-context-support</artifactId>
        <version>${spring.version}</version>
    </dependency>   

    <!-- dubbo相关 -->
    <dependency>
        <groupId>com.alibaba</groupId>
        <artifactId>dubbo</artifactId>
        <version>2.8.4</version>            
    </dependency>
    <dependency>
        <groupId>org.apache.zookeeper</groupId>
        <artifactId>zookeeper</artifactId>
        <version>3.4.6</version>
    </dependency>
    <dependency>
        <groupId>com.github.sgroschupf</groupId>
        <artifactId>zkclient</artifactId>
        <version>0.1</version>
    </dependency>

    <dependency>
        <groupId>javassist</groupId>
        <artifactId>javassist</artifactId>
        <version>3.11.0.GA</version>
    </dependency>
</dependencies>

《build>
《plugins>
《plugin>
《groupId>org.apache.maven.plugins《/groupId>
《artifactId>maven-compiler-plugin《/artifactId>
《version>2.3.2《/version>
《configuration>
《source>1.7《/source>
《target>1.7《/target>
《/configuration>
《/plugin>
《plugin>
《groupId>org.apache.tomcat.maven《/groupId>
《artifactId>tomcat7-maven-plugin《/artifactId>
《configuration>
《!– 指定端口 –>
《port>8082《/port>
《!– 请求路径 –>
《path>/《/path>
《/configuration>
《/plugin>
《/plugins>

《/build>

《/project>