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));  } }