三、使用axis1.4調用webservice方法
前提條件:下載axis1.4包和tomcat伺服器 ,並將axis文件夾複製到tomcat伺服器的webapp文件夾中
這裡我就說一下最簡單的方法:
首先建立一個任意的java類(例如:HelloWorld.java),複製到axis文件夾下,將其擴展名改為jws,然後重新啟動tomcat,在瀏覽器中輸入http://localhost:8989/axis/HelloWorld.jws?wsdl,就會得到一個wsdl文件,其客戶端調用方法如下:
Java代碼
import javax.xml.rpc.Service;
import javax.xml.rpc.ServiceException;
import javax.xml.rpc.ServiceFactory;
import java.net.MalformedURLException;
import java.net.URL;
import java.rmi.RemoteException;
import javax.xml.namespace.QName;
public class TestHelloWorld {
public static void main(String[] args) throws MalformedURLException, ServiceException, RemoteException {
// TODO Auto-generated method stub
String wsdlUrl ="http://localhost:8989/axis/HelloWorld.jws?wsdl";
String nameSpaceUri ="http://localhost:8989/axis/HelloWorld.jws";
String serviceName = "HelloWorldService";
String portName = "HelloWorld";
ServiceFactory serviceFactory = ServiceFactory.newInstance();
Service afService =serviceFactory.createService(new URL(wsdlUrl),new QName(nameSpaceUri, serviceName));
HelloWorldInterface proxy = (HelloWorldInterface)afService.getPort(new QName(nameSpaceUri, portName),HelloWorldInterface.class);
System.out.println("return value is " proxy.getName("john") ) ;
}
}
import javax.xml.rpc.Service;
import javax.xml.rpc.ServiceException;
import javax.xml.rpc.ServiceFactory;
import java.net.MalformedURLException;
import java.net.URL;
import java.rmi.RemoteException;
import javax.xml.namespace.QName;
public class TestHelloWorld {
public static void main(String[] args) throws MalformedURLException, ServiceException, RemoteException {
// TODO Auto-generated method stub
String wsdlUrl ="http://localhost:8989/axis/HelloWorld.jws?wsdl";
String nameSpaceUri ="http://localhost:8989/axis/HelloWorld.jws";
String serviceName = "HelloWorldService";
String portName = "HelloWorld";
ServiceFactory serviceFactory = ServiceFactory.newInstance();
Service afService =serviceFactory.createService(new URL(wsdlUrl),new QName(nameSpaceUri, serviceName));
HelloWorldInterface proxy = (HelloWorldInterface)afService.getPort(new QName(nameSpaceUri, portName),HelloWorldInterface.class);
System.out.println("return value is " proxy.getName("john") ) ;
}
}
四、使用axis2開發webservice(這裡首先感謝李寧老師)
使用axis2 需要先下載
axis2-1.4.1-bin.zip
axis2-1.4.1-war.zip
http://ws.apache.org/axis2/
同理,也需要將axis2複製到webapp目錄中
在axis2中部署webservice有兩種方法,
第一種是pojo方式,這種方式比較簡單,但是有一些限制,例如部署的類不能加上包名
第二種方式是利用xml發布webservice,這種方法比較靈活,不需要限制類的聲明
下面分別說明使用方法:
1.pojo方式:在Axis2中不需要進行任何的配置,就可以直接將一個簡單的POJO發布成WebService.其中POJO中所有的public方法將被發布成WebService方法.先實現一個pojo類:
Java代碼
public class HelloWorld{
public String getName(String name)
{
return "你好 " name;
}
public int add(int a,int b)
{
return a b;
}
}
public class HelloWorld{
public String getName(String name)
{
return "你好 " name;
}
public int add(int a,int b)
{
return a b;
}
}
由於這兩個方法都是public類型,都會發布成webservice.編譯HelloWorld類后,將HelloWorld.class文件放到%tomcat%webappsaxis2WEB-INFpojo目錄中(如果沒有pojo目錄,則建立該目錄),然後打開瀏覽器進行測試:
輸入一下url:
http://localhost:8080/axis2/services/listServices
會列出所有webservice
這是其中的兩個webservice列表,接著,在客戶端進行測試:
首先可以寫一個封裝類,減少編碼,代碼如下:
Java代碼
package MZ.GetWebService;
import javax.xml.namespace.QName;
import org.apache.axis2.AxisFault;
import org.apache.axis2.addressing.EndpointReference;
import org.apache.axis2.client.Options;
import org.apache.axis2.rpc.client.RPCServiceClient;
public class GetWSByAxis2 {
private static String EndPointUrl;
private static String QUrl="http://ws.apache.org/axis2";
private QName opAddEntry;
public String WSUrl;
public RPCServiceClient setOption() throws AxisFault
{
RPCServiceClient serviceClient = new RPCServiceClient();
Options options = serviceClient.getOptions();
EndpointReference targetEPR = new EndpointReference(WSUrl);
options.setTo(targetEPR);
return serviceClient;
}
public QName getQname(String Option){
return new QName (QUrl,Option);
}
//返回String
public String getStr(String Option) throws AxisFault
{
RPCServiceClient serviceClient =this.setOption();
opAddEntry =this.getQname(Option);
String str = (String) serviceClient.invokeBlocking(opAddEntry,
new Object[]{}, new Class[]{String.class })[0];
return str;
}
// 返回一維String數組
public String[] getArray(String Option) throws AxisFault
{
RPCServiceClient serviceClient =this.setOption();
opAddEntry =this.getQname(Option);
String[] strArray = (String[]) serviceClient.invokeBlocking(opAddEntry,
new Object[]{}, new Class[]{String[].class })[0];
return strArray;
}
//從WebService中返回一個對象的實例
public Object getObject(String Option,Object o) throws AxisFault
{
RPCServiceClient serviceClient =this.setOption();
QName qname=this.getQname(Option);
Object object = serviceClient.invokeBlocking(qname, new Object[]{},new Class[]{o.getClass()})[0];
return object;
}
///////////////////////////////////////// 讀者可以自己封裝數據類型,如int,byte,float等數據類型
}
package MZ.GetWebService;
import javax.xml.namespace.QName;
import org.apache.axis2.AxisFault;
import org.apache.axis2.addressing.EndpointReference;
import org.apache.axis2.client.Options;
import org.apache.axis2.rpc.client.RPCServiceClient;
public class GetWSByAxis2 {
private static String EndPointUrl;
private static String QUrl="http://ws.apache.org/axis2";
private QName opAddEntry;
public String WSUrl;
public RPCServiceClient setOption() throws AxisFault
{
RPCServiceClient serviceClient = new RPCServiceClient();
Options options = serviceClient.getOptions();
EndpointReference targetEPR = new EndpointReference(WSUrl);
options.setTo(targetEPR);
return serviceClient;
}
public QName getQname(String Option){
return new QName (QUrl,Option);
}
//返回String
public String getStr(String Option) throws AxisFault
{
RPCServiceClient serviceClient =this.setOption();
opAddEntry =this.getQname(Option);
String str = (String) serviceClient.invokeBlocking(opAddEntry,
new Object[]{}, new Class[]{String.class })[0];
return str;
}
// 返回一維String數組
public String[] getArray(String Option) throws AxisFault
{
RPCServiceClient serviceClient =this.setOption();
opAddEntry =this.getQname(Option);
String[] strArray = (String[]) serviceClient.invokeBlocking(opAddEntry,
new Object[]{}, new Class[]{String[].class })[0];
return strArray;
}
//從WebService中返回一個對象的實例
public Object getObject(String Option,Object o) throws AxisFault
{
RPCServiceClient serviceClient =this.setOption();
QName qname=this.getQname(Option);
Object object = serviceClient.invokeBlocking(qname, new Object[]{},new Class[]{o.getClass()})[0];
return object;
}
///////////////////////////////////////// 讀者可以自己封裝數據類型,如int,byte,float等數據類型
}
客戶端調用方法:
Java代碼
MZ.GetWebService.GetWSByAxis2 ws=new MZ.GetWebService.GetWSByAxis2();
ws.WSUrl="http://localhost:8989/axis2/services/HelloWorld";
HelloWorld hello= (HelloWorld)ws.getObject("getName", HelloWorld.class);
System.out.println(hello.getName("zhangjin"));
MZ.GetWebService.GetWSByAxis2 ws=new MZ.GetWebService.GetWSByAxis2();
ws.WSUrl="http://localhost:8989/axis2/services/HelloWorld";
HelloWorld hello= (HelloWorld)ws.getObject("getName", HelloWorld.class);
System.out.println(hello.getName("zhangjin"));
2.使用service.xml發布webservice,這種方式和直接放在pojo目錄中的POJO類不同.要想將MyService類發布成Web Service,需要一個services.xml文件,這個文件需要放在META-INF目錄中,該文件的內容如下:
Xml代碼
<service name="HelloWorld">
<description>
HelloWorld webservice
</description>
<parameter name="ServiceClass">
service.HelloWorld
</parameter>
<messageReceivers>
<messageReceiver mep="http://www.w3.org/2004/08/wsdl/in-out"
class="org.apache.axis2.rpc.receivers.RPCMessageReceiver" />
<messageReceiver mep="http://www.w3.org/2004/08/wsdl/in-only"
class="org.apache.axis2.rpc.receivers.RPCInOnlyMessageReceiver" />
</messageReceivers>
</service>
<service name="HelloWorld">
<description>
HelloWorld webservice
</description>
<parameter name="ServiceClass">
service.HelloWorld
</parameter>
<messageReceivers>
<messageReceiver mep="http://www.w3.org/2004/08/wsdl/in-out"
class="org.apache.axis2.rpc.receivers.RPCMessageReceiver" />
<messageReceiver mep="http://www.w3.org/2004/08/wsdl/in-only"
class="org.apache.axis2.rpc.receivers.RPCInOnlyMessageReceiver" />
</messageReceivers>
</service>
其中<service>元素用於發布Web Service,一個<service>元素只能發布一個WebService類,name屬性表示WebService名,如下面的URL可以獲得這個WebService的WSDL內容:
http://localhost:8080/axis2/services/myService?wsdl
除此之外,還有直接可以在其中制定webservice操作方法:可以這樣些service.xml文件
Java代碼
<service name="HelloWorld">
<description>
HelloWorld service
</description>
<parameter name="ServiceClass">
service.HelloWorld
</parameter>
<operation name="getName">
<messageReceiver class="org.apache.axis2.rpc.receivers.RPCMessageReceiver" />
</operation>
<operation name="add">
<messageReceiver
class="org.apache.axis2.rpc.receivers.RPCMessageReceiver" />
</operation>
</service>
<service name="HelloWorld">
<description>
HelloWorld service
</description>
<parameter name="ServiceClass">
service.HelloWorld
</parameter>
<operation name="getName">
<messageReceiver class="org.apache.axis2.rpc.receivers.RPCMessageReceiver" />
</operation>
<operation name="add">
<messageReceiver
class="org.apache.axis2.rpc.receivers.RPCMessageReceiver" />
</operation>
</service>
[火星人 ] java調用webservice的各種方法總結(2)已經有1159次圍觀