如题,webservices多吗?找工作的话哪个应该先学呢?
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package com.qdl.server;public class SayHello
{
public String getName(String name)
{
return "hello "+name;
}
}
2、将源码拷贝到WebRoot下,重命名为 SayHello.jws (注意不用拷上面的package ...行)3、访问连接http://localhost/webservice/SayHello.jws?wsdl,页面显示Axis自动生成的wsdl,同时会在WEB-INF下创建jwsClasses文件夹,在此生成SayHello.class文件 4、新建包com.qdl.client,编写访问服务的客户端 SayHelloClient.java import javax.xml.namespace.QName;
import org.apache.axis.client.Call;
import org.apache.axis.client.Service;
public class SayHelloClient {
public static void main(String[] args){
//程序访问即时发布的服务
try{
//创建访问点
String endpoint = "http://localhost/webservice/SayHello.jws";
//创建service
Service service = new Service();
Call call = null;
//创建call
call = (Call) service.createCall();
//设置操作名
call.setOperationName(new QName("http://localhost/webservice/SayHello.jws","getName"));
//设置访问点
call.setTargetEndpointAddress(new java.net.URL(endpoint));
//调用服务,返回值
String ret = (String) call.invoke(new Object[]{"zhangsan"});
System.out.println("返回的信息是:" + 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SayHello2、新建包com.qdl.dao编写代理接口 package com.qdl.dao;
import java.rmi.Remote;
public interface HelloClientInterface extends Remote {public String getName(String name) throws java.rmi.RemoteException;
}
3、编写并执行客户端程序TestHelloClient.java package com.qdl.client;
import java.net.URL;
import javax.xml.namespace.QName;
import javax.xml.rpc.ServiceFactory;
import javax.xml.rpc.Service;
import com.qdl.dao.HelloClientInterface;
public class TestHelloClient {
public static void main(String[] args) {
try {
String wsdlUrl = "http://localhost/webservice/SayHello.jws?wsdl";
String nameSpaceUri = "http://localhost/webservice/SayHello.jws";
//注意下面的serviceName和portName,
//http://localhost/webservice/SayHello.jws?wsdl页面的xml最下端有
String serviceName = "SayHelloService";
String portName = "SayHello";
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("返回信息是:" + proxy.getName("zhangsan"));
} catch (Exception ex) {
ex.printStackTrace();
}
}
}四、编写wsdd发布web服务,编写stub client访问web服务(定制发布服务) 1、编写服务端程序SayHello
package com.qdl.server;public class SayHello
{
public String getName(String name)
{
return "hello "+name;
}
}
2.编写LogHandler.java(好像这个并没什么用)import java.util.Date;
import org.apache.axis.AxisFault;
import org.apache.axis.Handler;
import org.apache.axis.MessageContext;
import org.apache.axis.handlers.BasicHandler;
public class LogHandler extends BasicHandler {
public void invoke(MessageContext msgContext) throws AxisFault {
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、先在WEB-INF目录下编写server-config.wsdd文件:
文件名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.Directory" value="./attachments"/>
<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"/>
<service name="AdminService" provider="java:MSG">
<parameter name="allowedMethods" value="AdminService"/>
<parameter name="enableRemoteAdmin" value="false"/>
<parameter name="className" value="org.apache.axis.utils.Admin"/>
<namespace>http://xml.apache.org/axis/wsdd/</namespace>
</service>
<service name="Version" provider="java:RPC">
<parameter name="allowedMethods" value="getVersion"/>
<parameter name="className" value="org.apache.axis.Version"/>
</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>
然后在WEB-INF下再编写deploy.wsdd文件:
文件名deploy.wsdd<deployment xmlns="http://xml.apache.org/axis/wsdd/" xmlns:java="http://xml.apache.org/axis/wsdd/providers/java">
<service name="MyService" provider="java:RPC">
<parameter name="className" value="com.qdl.server.SayHello"/>
<parameter name="allowedMethods" value="*"/>
</service>
</deployment>4、发布服务: java org.apache.axis.client.AdminClient -lhttp://地址:端口/context模块/services/AdminService deploy.wsdd
这一命令主要是把deploy.wsdd的service配置到server-config.wsdd中,同时更新内存
注意:上面命令的前提是要把axis的jar包配置到系统classpath环境变量中,否则报找不到类的错误5、生成client stub文件 a:方式1(本人用得此种方式) 将SayHello.java拷贝到WebRoot下(前面已经拷贝),重命名为SayHello.jws, 执行下面的命令生存client stub java org.apache.axis.wsdl.WSDL2Java -p com.qdl.client http://localhost/webservice/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/webservice/SayHello -nsayhello com.qdl.server.SayHello执行如下命令生成client stub java org.apache.axis.wsdl.WSDL2Java SayHello.wsdl -p com.qdl.client此时在文件夹WEB-INF下com.qdl.client下生成的stub client文件列表为: 1.SayHello.java 2.SayHelloService.java。 3.SayHelloServiceLocator.java 4.SayHelloSoapBindingStub.java
把com包整体剪到src下编译
6、编写客户端程序,编译并执行 package com.qdl.client;
public class SayHelloClient2 {
public static void main(String[] args){
//访问定制发布的服务
try{
SayHelloService service = new SayHelloServiceLocator();
SayHello_PortType client = service.getSayHello();
String retValue = client.getName("zhangsan");
System.out.println("返回的信息是:"+retValue);
}catch (Exception e){
System.err.println("Execution failed. Exception: " + e);
}
}
}