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webservice系列教学(4)-如何调用webservice(pb,java)

2004-10-01 08:26:10  作者:  来源:互联网  浏览次数:21  文字大小:【】【】【
简介:4.1 使用PowerBuilder调用     适用版本8.0 需下载Bulletin Web Services Toolkit 4.1 4.2使用java调用 需要下载apache soap。下载地址:http://xml.apache.org/soap/index.html 导入: im...

4.1 使用PowerBuilder调用

适用版本8.0 需下载Bulletin Web Services Toolkit 4.1

4.2使用java调用

需要下载apache soap。下载地址:http://xml.apache.org/soap/index.html

导入:

import org.apache.soap.*;

import org.apache.soap.rpc.*;

例程:

import java.io.*;

import java.util.*;

import java.net.*;

import org.w3c.dom.*;

import org.apache.soap.util.xml.*;

import org.apache.soap.*;

import org.apache.soap.encoding.*;

import org.apache.soap.encoding.soapenc.*;

import org.apache.soap.rpc.*;

import org.apache.soap.transport.http.SOAPHTTPConnection;

public class testClient {

public static void main(String[] args) throws Exception {

URL url = new URL ("http://192.168.0.4/yundan/service1.wsdl");

//改成你的地址

SOAPMappingRegistry smr = new SOAPMappingRegistry ();

StringDeserializer sd = new StringDeserializer ();

smr.mapTypes (Constants.NS_URI_SOAP_ENC, new QName ("", "Result"), null, null, sd);

// 创建传输路径和参数

SOAPHTTPConnection st = new SOAPHTTPConnection();

// 创建调用

Call call = new Call ();

call.setSOAPTransport(st);

call.setSOAPMappingRegistry (smr);

call.setTargetObjectURI ("http://tempuri.org/message/");

call.setMethodName("addNumbers");

call.setEncodingStyleURI ("http://schemas.xmlsoap.org/soap/encoding/");

Vector params = new Vector();

params.addElement(new Parameter("NumberOne", Double.class, "10", null));

params.addElement(new Parameter("NumberTwo", Double.class, "25", null));

call.setParams(params);

Response resp = null;

try {

resp = call.invoke (url, "http://tempuri.org/action/Hello2.addNumbers");

}

catch (SOAPException e) {

System.err.println("Caught SOAPException (" + e.getFaultCode () + "): " + e.getMessage ());

return;

}

// 检查返回值

if (resp != null && !resp.generatedFault()) {

Parameter ret = resp.getReturnValue();

Object value = ret.getValue();

System.out.println ("Answer--> " + value);

}

else {

Fault fault = resp.getFault ();

System.err.println ("Generated fault: ");

System.out.println (" Fault Code = " + fault.getFaultCode());

System.out.println (" Fault String = " + fault.getFaultString());

}

}

}

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