hessian实战1
服务端：
1.新建MAVEN HessianServer 项目
2.新建接口 Basic
public interface Basic { String hello(String name); String say(String msg); int sum(int a,int b); }
3.新建 BasicService 类，extends HessianServlet implements Basic
import com.caucho.hessian.server.HessianServlet; public class BasicService extends HessianServlet implements Basic { public String hello(String name) { return "Hello " + name; } public int sum(int a, int b) { return a + b; } public String say(String msg) { return "Say:" + msg; } }
4.web.xml 文件
<?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_3_0.xsd" id="WebApp_ID" version="3.0"> <servlet> <servlet-name>hello</servlet-name> <servlet-class>BasicService</servlet-class> </servlet> <servlet-mapping> <servlet-name>hello</servlet-name> <url-pattern>/hello</url-pattern> </servlet-mapping> </web-app>
5.POM.XML
<?xml version="1.0" encoding="UTF-8"?> <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"> <modelVersion>4.0.0</modelVersion> <groupId>HessianWeb</groupId> <artifactId>HessianWeb</artifactId> <version>1.0-SNAPSHOT</version> <dependencies> <dependency> <groupId>javax.servlet</groupId> <artifactId>javax.servlet-api</artifactId> <version>3.0.1</version> <scope>provided</scope> </dependency> <dependency> <groupId>com.caucho</groupId> <artifactId>hessian</artifactId> <version>4.0.51</version> </dependency> </dependencies> </project>
启动项目，在浏览器打开 http://localhost:8091/hello 显示 Hessian Requires POST ，说明服务已启动
服务端(使用Spring)
1.新建maven项目HessianWeb，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/maven-v4_0_0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>com.tiantian</groupId> <artifactId>hessianServer</artifactId> <packaging>war</packaging> <version>1.0-SNAPSHOT</version> <name>hessianServer Maven Webapp</name> <url>http://maven.apache.org</url> <dependencies> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>3.1.0.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>3.1.0.RELEASE</version> </dependency> <dependency> <groupId>com.caucho</groupId> <artifactId>hessian</artifactId> <version>4.0.7</version> </dependency> <dependency> <groupId>javax.servlet</groupId> <artifactId>servlet-api</artifactId> <version>2.5</version> <scope>provided</scope> </dependency> </dependencies> <build> <finalName>hessianServer</finalName> </build> </project>
2.新建接口Basic
public interface Basic { String hello(String name); String say(String msg); int sum(int a,int b); }
3.新建接口Basic的实现
import com.caucho.hessian.server.HessianServlet; public class BasicService implements Basic { public String hello(String name) { return "Hello " + name; } public int sum(int a, int b) { return a + b; } public String say(String msg) { return "Say:" + msg; } }
4.web.xml配置
<?xml version="1.0" encoding="UTF-8"?> <web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"> <servlet> <servlet-name>hessianServer</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>hessianServer</servlet-name> <url-pattern>/hessian/*</url-pattern> </servlet-mapping> </web-app>
5.hessianServer-servlet.xml配置
<?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:mvc="http://www.springframework.org/schema/mvc" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd"> <bean class="org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping"/> <bean id="userService" class="BasicService" /> <bean name="/userService" class="org.springframework.remoting.caucho.HessianServiceExporter"> <property name="service" ref="userService" /> <property name="serviceInterface" value="Basic" /> </bean> </beans>
6.在浏览器里打开 http://localhost:8093/hessian/userService ，显示【HTTP Status 405 - HessianServiceExporter only supports POST requests】
客户端（不使用spring）：
1.新建HessianClient maven 项目
2.pom.xml
<?xml version="1.0" encoding="UTF-8"?> <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"> <modelVersion>4.0.0</modelVersion> <groupId>HessianClient</groupId> <artifactId>HessianClient</artifactId> <version>1.0-SNAPSHOT</version> <dependencies> <dependency> <groupId>javax.servlet</groupId> <artifactId>javax.servlet-api</artifactId> <version>3.0.1</version> <scope>provided</scope> </dependency> <dependency> <groupId>com.caucho</groupId> <artifactId>hessian</artifactId> <version>4.0.51</version> </dependency> </dependencies> </project>
3.新建接口Client
public interface Client { String hello(String name); String say(String msg); int sum(int a,int b); }
4.新建Test类
import com.caucho.hessian.client.HessianProxyFactory; import com.caucho.hessian.server.HessianServlet; import java.net.MalformedURLException; public class Test { public static void main(String[] args) throws MalformedURLException { //TODO 根据实际地址修改 String url = "http://localhost:8091/hello"; HessianProxyFactory factory = new HessianProxyFactory(); Client basic = (Client) factory.create(Client.class, url); System.out.println(basic.hello("aaa")); } }
5.运行该项目，显示 aaa
客户端(使用spring)
1.pom.xml 改为
<?xml version="1.0" encoding="UTF-8"?> <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"> <modelVersion>4.0.0</modelVersion> <groupId>HessianClient</groupId> <artifactId>HessianClient</artifactId> <version>1.0-SNAPSHOT</version> <dependencies> <dependency> <groupId>javax.servlet</groupId> <artifactId>javax.servlet-api</artifactId> <version>3.0.1</version> <scope>provided</scope> </dependency> <dependency> <groupId>com.caucho</groupId> <artifactId>hessian</artifactId> <version>4.0.51</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-aop</artifactId> <version>4.2.1.RELEASE</version> <scope>compile</scope> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-beans</artifactId> <version>4.2.1.RELEASE</version> <scope>compile</scope> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-core</artifactId> <version>4.2.1.RELEASE</version> <scope>compile</scope> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-core</artifactId> <version>4.2.1.RELEASE</version> <scope>compile</scope> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>4.2.1.RELEASE</version> <scope>compile</scope> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-expression</artifactId> <version>4.2.1.RELEASE</version> <scope>compile</scope> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-web</artifactId> <version>4.2.1.RELEASE</version> <scope>compile</scope> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>4.2.1.RELEASE</version> <scope>compile</scope> </dependency> </dependencies> </project>
2.新建remote-client.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:mvc="http://www.springframework.org/schema/mvc" xmlns:context="http://www.springframework.org/schema/context" xsi:schemaLocation="http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd"> <!-- 客户端Hessian代理工厂Bean --> <bean id="clientSpring" class="org.springframework.remoting.caucho.HessianProxyFactoryBean"> <!-- 请求代理Servlet路径 --> <property name="serviceUrl"> <value>http://localhost:8091/hello</value> </property> <!-- 接口定义 --> <property name="serviceInterface"> <value>Client</value> </property> </bean> </beans>
3.新建Test2类
import org.springframework.context.ApplicationContext; import org.springframework.context.support.ClassPathXmlApplicationContext; public class Test2 { public static void main(String[] args) { ApplicationContext contex = new ClassPathXmlApplicationContext( "remote-client.xml"); // 获得客户端的Hessian代理工厂bean Client i = (Client) contex.getBean("clientSpring"); System.out.println(i.hello("chen1231231231")); } }
运行该项目显示 Hello chen1231231231
