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/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>com.duitang</groupId> <artifactId>t3</artifactId> <version>0.0.1-SNAPSHOT</version> <packaging>war</packaging> <properties> <org.springframework.version>3.1.2.RELEASE</org.springframework.version> </properties> <dependencies> <dependency> <groupId>javax.servlet</groupId> <artifactId>servlet-api</artifactId> <version>2.5</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-web</artifactId> <version>${org.springframework.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>${org.springframework.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-core</artifactId> <version>${org.springframework.version}</version> </dependency> <dependency> <groupId>com.duitang.external</groupId> <artifactId>hessian</artifactId> <version>4.0.7</version> </dependency> </dependencies> </project>
接口定义和实现:
public interface BasicAPI { public String hello(); }
package test; public class BasicService implements BasicAPI{ public String hello() { return "Hello, world"; } }
webx.xml配置servlet:
<?xml version="1.0" encoding="UTF-8"?> <web-app id="WebApp_ID" version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"> <display-name>duitang.com</display-name> <servlet> <servlet-name>Hello</servlet-name> <servlet-class>com.caucho.hessian.server.HessianServlet</servlet-class> <init-param> <param-name>home-api</param-name> <param-value>test.BasicAPI</param-value> </init-param> <init-param> <param-name>home-class</param-name> <param-value>test.BasicService</param-value> </init-param> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>Hello</servlet-name> <url-pattern>/Hello</url-pattern> </servlet-mapping> </web-app>
客户端调用
package test; import java.net.MalformedURLException; import com.caucho.hessian.client.HessianProxyFactory; public class Test{ public static void main(String[] args) throws MalformedURLException{ String url="http://localhost:8080/Hello"; HessianProxyFactory proxyFactory=new HessianProxyFactory(); BasicAPI basicAPI = (BasicAPI) proxyFactory.create(BasicAPI.class, url); System.out.println(basicAPI.hello()); } }
python客户端更简单
if __name__ == "__main__": proxy = Hessian("http://localhost:8080/Hello") try: print proxy.hello() except Error, v: print "ERROR", v
Hello, world
hessian协议:
http://hessian.caucho.com/doc/hessian-serialization.html