dubbo:webservice基于servlet容器的实现demo
2015-07-03 14:17
330 查看
前面介绍了dubboframework基于dubbo协议的demo,这比给大家介绍另一种协议——webservice,其实它是基于http协议的实现,暴露wenservice的标准化接口,使用到apache-cxf的实现。其实dubbo还有其他很多种协议的实现方式,如rmi,hessian,redis,普通http等等。
下面将介绍demo步骤:
1、新建dynamic web project ,名称:dubbo-webservice,如图:
![](https://img-blog.csdn.net/20130706000156859?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvZW5zb24xNjg1NQ==/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/SouthEast)
2、新建接口DubboService
[java]
view plaincopyprint?
![](https://code.csdn.net/assets/CODE_ico.png)
![](https://code.csdn.net/assets/ico_fork.svg)
package com.enson.webservice.service;
public interface DubboService {
public String printWord(String word);
}
3、新建接口实现类DubboServiceImpl
[java]
view plaincopyprint?
![](https://code.csdn.net/assets/CODE_ico.png)
![](https://code.csdn.net/assets/ico_fork.svg)
package com.enson.webservice.service.impl;
import java.text.SimpleDateFormat;
import java.util.Date;
import com.enson.webservice.service.DubboService;
public class DubboServiceImpl implements DubboService {
@Override
public String printWord(String word) {
String outWord = new SimpleDateFormat("yyyy-MM-dd HH:mm:SS")
.format(new Date()) + word;
System.out.println(outWord);
return outWord;
}
}
4、新建配置文件spring\dubbo.xml
[html]
view plaincopyprint?
![](https://code.csdn.net/assets/CODE_ico.png)
![](https://code.csdn.net/assets/ico_fork.svg)
<?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:dubbo="http://code.alibabatech.com/schema/dubbo"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://code.alibabatech.com/schema/dubbo
http://code.alibabatech.com/schema/dubbo/dubbo.xsd
">
<!-- 提供方应用信息,用于计算依赖关系 -->
<dubbo:application name="dubbo-webservice-app" />
<!-- 使用zookeeper注册中心暴露服务地址 -->
<dubbo:registry address="zookeeper://127.0.0.1:2181" />
<!-- 用webservice协议在8080端口暴露服务 -->
<dubbo:protocol name="webservice" port="8080" server="servlet" />
<!-- 声明需要暴露的服务接口 -->
<dubbo:service interface="com.enson.webservice.service.DubboService"
ref="dubboService" />
<!-- 和本地bean一样实现服务 -->
<bean id="dubboService" class="com.enson.webservice.service.impl.DubboServiceImpl" />
</beans>
4、配置web.xml
[html]
view plaincopyprint?
![](https://code.csdn.net/assets/CODE_ico.png)
![](https://code.csdn.net/assets/ico_fork.svg)
<?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" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
id="WebApp_ID" version="2.5">
<display-name>dubbo-webservice</display-name>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
<!-- 定义资源访问路径 -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring/*.xml</param-value>
</context-param>
<!--spring的配置-->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!--dubbo 服务根路径-->
<servlet>
<servlet-name>dubbo</servlet-name>
<servlet-class>com.alibaba.dubbo.remoting.http.servlet.DispatcherServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>dubbo</servlet-name>
<url-pattern>/services/*</url-pattern>
</servlet-mapping>
</web-app>
5、将项目部署到tomcat上
注意:dubbo必须使用的servlet-api为2.5版本,tomcat默认优先加载2.3版本,找到tomcat安装路径中的lib文件夹,将servlet-api替换成servlet-api-2.5.jar
6、先启动zookeeper,再启动tomcat
访问http://localhost:8080/dubbo-webservice/services/com.enson.webservice.service.DubboService?wsdl
![](https://img-blog.csdn.net/20130706001220328?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvZW5zb24xNjg1NQ==/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/SouthEast)
注意:地址缺少“?wsdl”将报cxf的错误。
下面将介绍demo步骤:
1、新建dynamic web project ,名称:dubbo-webservice,如图:
2、新建接口DubboService
[java]
view plaincopyprint?
![](https://code.csdn.net/assets/CODE_ico.png)
package com.enson.webservice.service;
public interface DubboService {
public String printWord(String word);
}
3、新建接口实现类DubboServiceImpl
[java]
view plaincopyprint?
![](https://code.csdn.net/assets/CODE_ico.png)
package com.enson.webservice.service.impl;
import java.text.SimpleDateFormat;
import java.util.Date;
import com.enson.webservice.service.DubboService;
public class DubboServiceImpl implements DubboService {
@Override
public String printWord(String word) {
String outWord = new SimpleDateFormat("yyyy-MM-dd HH:mm:SS")
.format(new Date()) + word;
System.out.println(outWord);
return outWord;
}
}
4、新建配置文件spring\dubbo.xml
[html]
view plaincopyprint?
![](https://code.csdn.net/assets/CODE_ico.png)
<?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:dubbo="http://code.alibabatech.com/schema/dubbo"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://code.alibabatech.com/schema/dubbo
http://code.alibabatech.com/schema/dubbo/dubbo.xsd
">
<!-- 提供方应用信息,用于计算依赖关系 -->
<dubbo:application name="dubbo-webservice-app" />
<!-- 使用zookeeper注册中心暴露服务地址 -->
<dubbo:registry address="zookeeper://127.0.0.1:2181" />
<!-- 用webservice协议在8080端口暴露服务 -->
<dubbo:protocol name="webservice" port="8080" server="servlet" />
<!-- 声明需要暴露的服务接口 -->
<dubbo:service interface="com.enson.webservice.service.DubboService"
ref="dubboService" />
<!-- 和本地bean一样实现服务 -->
<bean id="dubboService" class="com.enson.webservice.service.impl.DubboServiceImpl" />
</beans>
4、配置web.xml
[html]
view plaincopyprint?
![](https://code.csdn.net/assets/CODE_ico.png)
<?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" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
id="WebApp_ID" version="2.5">
<display-name>dubbo-webservice</display-name>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
<!-- 定义资源访问路径 -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring/*.xml</param-value>
</context-param>
<!--spring的配置-->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!--dubbo 服务根路径-->
<servlet>
<servlet-name>dubbo</servlet-name>
<servlet-class>com.alibaba.dubbo.remoting.http.servlet.DispatcherServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>dubbo</servlet-name>
<url-pattern>/services/*</url-pattern>
</servlet-mapping>
</web-app>
5、将项目部署到tomcat上
注意:dubbo必须使用的servlet-api为2.5版本,tomcat默认优先加载2.3版本,找到tomcat安装路径中的lib文件夹,将servlet-api替换成servlet-api-2.5.jar
6、先启动zookeeper,再启动tomcat
访问http://localhost:8080/dubbo-webservice/services/com.enson.webservice.service.DubboService?wsdl
注意:地址缺少“?wsdl”将报cxf的错误。
相关文章推荐
- 【黑马程序员】Java学习笔记之继承(二)(面向对象)
- 哈夫曼编码树(最优编码树)
- GRE写作必备句型
- RabbitMQ学习一
- ie6中li插入图片后下方有空隙(经典bug)多种解决方法
- 贴片电容器容量怎么换算?
- eclipse关联support-v4.jar源码
- 双链表创建(尾插法)
- squid3.5.5的编译安装
- 【项目开发】mysql-5.5字符编码相关的设置与查询
- Linux中查看CPU信息
- css画电脑键盘
- js中 单引号 双引号 参数问题 单引号 替换成 \' 双引号 替换成 \" 等
- habernate注解模式多表关联
- 程序的局部性原理
- Guess3
- iptables 只拒绝某个ip的所有连接
- settimeout计时器实例
- (WPF&Silverlight)可空,null
- 转载——子空间投影的角度理解最小二乘