一:服务端
web.xml <!-- DispatcherServlet --> <servlet> <servlet-name>Spring-DispatcherServlet</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <init-param> <param-name>contextConfigLocation</param-name> <param-value>/WEB-INF/config/applicationContext-hessianServer.xml</param-value> </init-param> </servlet> <servlet-mapping> <servlet-name>Spring-DispatcherServlet</servlet-name> <url-pattern>*.hessian</url-pattern> </servlet-mapping>
package com.xx.service; /** * 服务接口 */ public interface ISayHelloService { /** * @param name * @return */ String doSayHello(String name); /** * @param name * @param welcomeStr * @return */ String doSayHello(String name, String welcomeStr); }
package com.xx.service.impl; import com.xx.service.ISayHelloService; /** * 服务接口实现 */ public class DefaultSayHelloServiceImpl implements ISayHelloService { public String doSayHello(String name) { return doSayHello(name, "hello"); } public String doSayHello(String name, String welcomeStr) { return name + "," + welcomeStr; } }
spring配置文件applicationContext-hessianServer.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:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd" default-lazy-init="false"> <!-- 服务端 实现--> <bean id="sayHelloService" class="com.xx.service.impl.DefaultSayHelloServiceImpl" /> <bean id="sayHelloService_hessianRPC" class="org.springframework.remoting.caucho.HessianServiceExporter" > <property name="service" ref="sayHelloService" /> <!-- 服务接口 --> <property name="serviceInterface" value="com.xx.service.ISayHelloService" /> </bean> <bean id="simpleUrlHandlerMapping" class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping"> <property name="urlMap"> <map> <entry key="/sayHelloService.hessian" value-ref="sayHelloService_hessianRPC" /> </map> </property> </bean> </beans>
二:客户端 调用服务
package com.xx.service; /** * 服务接口 */ public interface ISayHelloService { /** * @param name * @return */ String doSayHello(String name); /** * @param name * @param welcomeStr * @return */ String doSayHello(String name, String welcomeStr); }
<?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:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd"> <!-- 客户端 --> <bean id="sayHelloService" class="org.springframework.remoting.caucho.HessianProxyFactoryBean"> <!-- 重载方法支持 不然会抛出异常 :Caused by: com.caucho.hessian.io.HessianProtocolException: is an unknown code --> <property name="overloadEnabled" value="true" /> <property name="serviceUrl" value="http://localhost:8080/spring_hessian/sayHelloService.hessian" /> <!-- 服务接口 --> <property name="serviceInterface" value="com.xx.service.ISayHelloService"/> </bean> </beans>
import org.springframework.context.ApplicationContext; import org.springframework.context.support.ClassPathXmlApplicationContext; import com.xx.service.ISayHelloService; public class ClientMain { public static void main(String[] args) { ISayHelloService sayHelloService = getBean(ISayHelloService.class, "sayHelloService"); System.out.println(sayHelloService.doSayHello("王五")); //客户端必须启用重载方法支持 不然会抛出Caused by: com.caucho.hessian.io.HessianProtocolException: '�' is an unknown code异常 System.out.println(sayHelloService.doSayHello("李四", "welcome")); } public static <T> T getBean(Class<T> clazs, String beanName) { ApplicationContext applicationContext = new ClassPathXmlApplicationContext("applicationContext-client.xml"); return clazs.cast(applicationContext.getBean(beanName)); } }