Dubbox服务的消费方开发

开发步骤：

（1）创建Maven工程（WAR）dubboxdemo-web ，在pom.xml引入依赖 ，同“dubboxdemo-service”工程。区别就是把tomcat插件的运行端口改为8082 。

（2）在webapps目录下创建WEB-INF 目录，并创建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-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>CharacterEncodingFilter</filter-name>

<url-pattern>/*</url-pattern>

</filter-mapping>

<servlet>

<servlet-name>springmvc</servlet-name>    <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-name>

<param-value>classpath:applicationContext-web.xml</param-value>

</init-param>

</servlet>

<servlet-mapping>

<servlet-name>springmvc</servlet-name>

<url-pattern>*.do</url-pattern>

</servlet-mapping>

</web-app>

（3）拷贝业务接口

将“dubboxdemo-service”工程的cn.itcast.dubboxdemo.service 包以及下面的接口拷贝至此工程。

（4）编写Controller

package cn.itcast.dubboxdemo.controller;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.stereotype.Controller;

import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.bind.annotation.ResponseBody;

import cn.itcast.dubbodemo.service.UserService;

@Controller

@RequestMapping("/user")

public class UserController {

@Reference

private UserService userService;

@RequestMapping("/showName")

@ResponseBody

public String showName(){

return userService.getName();

}

}

（5）编写spring配置文件

在src/main/resources下创建applicationContext-web.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>

<!-- 引用dubbo 服务 -->

<dubbo:application name="dubboxdemo-web" />

<dubbo:registry address="zookeeper://192.168.25.132:2181"/>

<dubbo:annotation package="cn.itcast.dubboxdemo.controller" />

</beans>

（6）测试运行

tomcat7:run

在浏览器输入http://localhost:8082/user/showName.do，查看浏览器输出结果