创立JAVA WebService步骤

xiaoxiao2025-01-11  18

地址:[url=http://hi.baidu.com/itpassion/blog/item/9ce50dfb4fc66065024f5673.html]http://hi.baidu.com/itpassion/blog/item/9ce50dfb4fc66065024f5673.html[/url] 1、选择要转换的java文件,生成class 2、写wsdd 3、发布 剩下的就只有调用了wsdl2java 我原来的系统是CICS的,对后台封装了一层,现在用webservice再封装一层,前台页面,控制,数据传输,数据处理统统都可以分开了,爽 //以下是从网上找的关于AXIS的入门教程 一、Axis安装 1、环境 J2SE SDK 1.3 or 1.4: 我使用 1.4.2 Servlet Container: 我使用的Tomcat 5.0 2、到 http://ws.apache.org/Axis/网站下载Axis安装包 3、解压缩安装包,将Axis_UNZIP_PATH\Axis-version\webapps下的Axis包拷贝到TOMCAT_HOME\webapps\下,以下约定Axis_HOME为该TOMCAT_HOME\webapps\Axis目录 4、启动tomcat,访问http://localhost:8080/Axis 检查安装是否成功 5、以上步骤执行成功,可以开发webservice例子了 Axis支持三种web service的部署和开发,分别为: 1、Dynamic Invocation Interface ( DII) 2、Stubs方式 3、Dynamic Proxy方式 二、编写DII(Dynamic Invocation Interface )方式web服务 1.编写服务端程序HelloClient public class HelloClient{ public String getName(String name) { return "hello "+name; }} 2、将源码拷贝到Axis_HOME下,重命名为 HelloClient.jws 3、访问连接http://localhost:8080/Axis/HelloClient.jws?wsdl,页面显示Axis自动生成的wsdl 4、编写访问服务的客户端 TestHelloClient.java import org.apache.Axis.client.Call;import org.apache.Axis.client.Service;import javax.xml.namespace.QName;import javax.xml.rpc.ServiceException;import java.net.MalformedURLException;import java.rmi.RemoteException;public class SayHelloClient2{ public static void main(String[] args) { try { String endpoint = "http://localhost:8080/Axis/HelloClient.jws"; Service service = new Service(); Call call = null; call = (Call) service.createCall(); call.setOperationName(new QName( "http://localhost:8080/Axis/HelloClient.jws", "getName")); call.setTargetEndpointAddress (new java.net.URL(endpoint)); String ret = (String) call.invoke(new Object[] {"zhangsan"}); System.out.println("return value is " + ret); } catch (Exception ex) { ex.printStackTrace(); } }} 三、编写Dynamic Proxy方式访问服务 1、编写部署服务端程序,同上边DII方式,本次仍使用上边部署的HelloClient 2、编写代理接口 public interface HelloClientInterfaceextends java.rmi.Remote{ public String getName(String name) throws java.rmi.RemoteException;} 3、编写并执行客户端程序TestHelloClient.java import javax.xml.rpc.Service;import javax.xml.rpc.ServiceFactory;import java.net.URL;import javax.xml.namespace.QName;public class TestHelloClient { public static void main(String[] args) { try { String wsdlUrl = "http://localhost:8080/Axis/HelloClient.jws?wsdl"; String nameSpaceUri = "http://localhost:8080/Axis/HelloClient.jws"; String serviceName = "HelloClientService"; String portName = "HelloClient"; ServiceFactory serviceFactory = ServiceFactory.newInstance(); Service afService = serviceFactory.createService(new URL(wsdlUrl), new QName(nameSpaceUri, serviceName)); HelloClientInterface proxy = (HelloClientInterface) afService.getPort(new QName( nameSpaceUri, portName), HelloClientInterface.class); System.out.println ("return value is "+proxy.getName("john") ) ; }catch(Exception ex) { ex.printStackTrace() ; } }} 四、编写wsdd发布web服务,编写stub client访问web服务 1、编写服务端程序server,SayHello.java,编译server.SayHello.java package server;public class SayHello{ public String getName(String name) { return "hello "+name; }}2.编写LogHandler.javaimport org.apache.Axis.AxisFault;import org.apache.Axis.Handler;import org.apache.Axis.MessageContext;import org.apache.Axis.handlers.BasicHandler;import java.util.Date;public class LogHandler extends BasicHandler {public void invoke(MessageContext msgContext) throws AxisFault { /** Log an access each time we get invoked. */ try { Handler serviceHandler = msgContext.getService(); Integer numAccesses = (Integer)serviceHandler.getOption("accesses"); if (numAccesses == null) numAccesses = new Integer(0);numAccesses = new Integer(numAccesses.intValue() + 1);Date date = new Date();String result = date + ": service " +msgContext.getTargetService() +" accessed " + numAccesses + " time(s).";serviceHandler.setOption("accesses", numAccesses);System.out.println(result); } catch (Exception e) { throw AxisFault.makeFault(e); } }} 3、编写wsdd文件 deploy.wsdd<deployment xmlns="http://xml.apache.org/Axis/wsdd/" xmlns:java= "http://xml.apache.org/Axis/wsdd/providers/java"> <handler name="print" type="java:LogHandler"/> <service name="sayhello"provider="java:RPC"> <requestFlow> <handler type="print"/> </requestFlow> <parameter name="className" value="server.SayHello"/> <parameter name="allowedMethods" value="*"/> </service></deployment> 3、将编译后的文件拷贝到Axis_HOME/WEB-INF/classes下,如:D:\tomcat\webapps\Axis\WEB-INF\classes 4、发布服务: java org.apache.Axis.client.AdminClient deploy.wsdd 5、生成client stub文件 a:方式1 将SayHello.java拷贝到Axis_HOME/下,重命名为SayHello.jws, 执行下面的命令生存client stub java org.apache.Axis.wsdl.WSDL2Java -p client http://localhost:8080 /Axis/services/SayHello.jws?wsdl b:方式2 执行如下命令生成SayHello.wsdl java org.apache.Axis.wsdl.Java2WSDL -oSayHello.wsdl -lhttp://localhost:8080 /Axis/services/SayHello -nsayhello server.SayHello 执行如下命令生成client stub java org.apache.Axis.wsdl.WSDL2Java SayHello.wsdl -p client 生成的stub client文件列表为: 1.SayHello.java 2.SayHelloService.java。 3.SayHelloServiceLocator.java 4.SayHelloSoapBindingStub.java 6、编写客户端程序,编译并执行 public class SayHelloClient{ public static void main(String[] args) { try { SayHelloService service = new client. SayHelloServiceLocator(); client.SayHello_PortType client = service.getSayHello(); String retValue=client.getName("zhangsan"); System.out.println(retValue);} catch (Exception e){System.err.println("Execution failed. Exception: " + e); } }} 您也可以写server-config.wsdd <?xml version="1.0" encoding="UTF-8"?><deployment xmlns="http://xml.apache.org/axis/wsdd/" xmlns:java="http://xml.apache.org/axis/wsdd/providers/java"> <globalConfiguration> <parameter name="adminPassword" value="admin"/> <parameter name="attachments.implementation" value="org.apache.axis.attachments.AttachmentsImpl"/> <parameter name="sendXsiTypes" value="true"/> <parameter name="sendMultiRefs" value="true"/> <parameter name="sendXMLDeclaration" value="true"/> <parameter name="axis.sendMinimizedElements" value="true"/> <requestFlow> <handler type="java:org.apache.axis.handlers.JWSHandler"> <parameter name="scope" value="session"/> </handler> <handler type="java:org.apache.axis.handlers.JWSHandler"> <parameter name="scope" value="request"/> <parameter name="extension" value=".jwr"/> </handler> </requestFlow> </globalConfiguration> <handler name="LocalResponder" type="java:org.apache.axis.transport.local.LocalResponder"/> <handler name="URLMapper" type="java:org.apache.axis.handlers.http.URLMapper"/> <handler name="Authenticate" type="java:org.apache.axis.handlers.SimpleAuthenticationHandler"/> <handler name="print" type="java:stub.LogHandler"/> <service name="sayhello" provider="java:RPC"> <requestFlow> <handler type="print"/> </requestFlow> <parameter name="className" value="stub.server.SayHello"/> <parameter name="allowedMethods" value="*"/> </service><transport name="http"> <requestFlow> <handler type="URLMapper"/> <handler type="java:org.apache.axis.handlers.http.HTTPAuthHandler"/> </requestFlow> </transport> <transport name="local"> <responseFlow> <handler type="LocalResponder"/> </responseFlow> </transport></deployment>
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