JAVA调用PHP SOAP服务

WebService即是一种跨平台的远程调用方法。一方提供服务，另一方使用服务。传输协议是HTTP，而传输的数据则是XML格式的数据。

它有两种方式，WSDL和SOAP。目前仅提及SOAP。

1.PHP提供SOAP服务

定义一个类，它里面有加、减和除三种操作

<?php class Operator{    public function add($x,$y){        return $x+$y;    }    public function substract($x,$y){        return $x-$y;    }    public function divide($x,$y){        return $x/$y;    }}?>

使用PHP SOAP API，提供SOAP服务。（需要开启SOAP EXTENSION）

<?php require("Operator.php");$server = new SoapServer(null,array('uri' => "http://localhost:8089"));$server->setClass("Operator");$server->handle();?>

假设提供服务的php为index.php

2.JAVA使用PHP提供的SOAP服务

import java.util.ArrayList;import java.util.HashMap;import java.util.List;import javax.xml.soap.MessageFactory;import javax.xml.soap.Node;import javax.xml.soap.SOAPBody;import javax.xml.soap.SOAPConnection;import javax.xml.soap.SOAPConnectionFactory;import javax.xml.soap.SOAPElement;import javax.xml.soap.SOAPEnvelope;import javax.xml.soap.SOAPException;import javax.xml.soap.SOAPMessage;import javax.xml.soap.SOAPPart;public class Main {public void testSOAP(String opename,int x,int y){String url = "http://localhost:8089/index.php";SOAPConnectionFactory soapConnectionFactory = null;SOAPConnection soapConnection = null;MessageFactory messageFactory = null;SOAPMessage soapMessage = null;SOAPPart soapPart = null;SOAPEnvelope soapEnvelope = null;SOAPBody body = null;try{//建立连接soapConnectionFactory = SOAPConnectionFactory.newInstance();soapConnection = soapConnectionFactory.createConnection();messageFactory = MessageFactory.newInstance();soapMessage = messageFactory.createMessage();soapPart = soapMessage.getSOAPPart();soapEnvelope = soapPart.getEnvelope();//设置调用的webservice方法，及传参body = soapEnvelope.getBody();SOAPElement element = body.addChildElement(soapEnvelope.createName(opename));element.addChildElement("in0").addTextNode(String.valueOf(x));element.addChildElement("in1").addTextNode(String.valueOf(y));soapMessage.saveChanges();//获取返回值SOAPMessage reply = soapConnection.call(soapMessage,url);soapPart = reply.getSOAPPart();soapEnvelope = soapPart.getEnvelope();body = soapEnvelope.getBody();Node returnvalue = (Node) body.getChildElements().next();if (returnvalue != null) {              if (returnvalue.getChildNodes().item(0).getNodeName().equals("return")) {              List<HashMap<String,String>> ReturnArray = new ArrayList<HashMap<String,String>>();              for (int i=0;i<returnvalue.getChildNodes().item(0).getChildNodes().getLength();i++) {              String key = returnvalue.getChildNodes().item(0).getChildNodes().item(i).getNodeName();              String value = returnvalue.getChildNodes().item(0).getChildNodes().item(i).getNodeValue();              System.out.println(key+":"+value);              }              }        } else {              System.out.println("nothing returned");        }}catch(Exception ex){ex.printStackTrace();}finally{try {soapConnection.close();} catch (SOAPException e) {// TODO Auto-generated catch blocke.printStackTrace();}}}public static void main(String[] args) {Main main = new Main();System.out.println("3+4:");main.testSOAP("add",3,4);System.out.println("9-7:");main.testSOAP("substract",9,7);System.out.println("20/4:");main.testSOAP("divide",20,4);}}

运行结果如下：

3+4:
#text:7
9-7:
#text:2
20/4:
#text:5