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PHP教程：WebService最常用的两种方法

企业级应用，主要是讲PHP5对webservice的一些实现(以下的程序可以被JAVA，NET，C等正常调用)
国内用PHP写WebService的真的很少，网上资料也没多少，公司的项目开发过程中，经历了不少这方面的东西，写出来以供大家参考（谢谢老农提供的WSDL和程序文件）
客户端

代码:
01.<?php
02.header ( "Content-Type: text/html; charset=utf-8" );
03./*
04.* 指定WebService路径并初始化一个WebService客户端
05.*/
06.$ws = "http://soap/soapCspMessage.php?wsdl";
07.$client = new SoapClient ( $ws, array ('trace' => 1, 'uri' => 'http://www.zxsv.com/SoapDiscovery/' ) );
08./*
09.* 获取SoapClient对象引用的服务所提供的所有方法
10.*/
11.echo ("SOAP服务器提供的开放函数:");
12.echo ('<pre>');
13.var_dump ( $client->__getFunctions () );
14.echo ('</pre>');
15.echo ("SOAP服务器提供的Type:");
16.echo ('<pre>');
17.var_dump ( $client->__getTypes () );
18.echo ('</pre>');
19.echo ("执行GetGUIDNode的结果:");
20.//$users = $client->GetUsers();
21.//var_dump($HelloWorld );
22.$parameters = array('uname'=>'zxsv',"upassword"=>'123');
23.$out = $client->HelloWorld($parameters);
24.$datadb = $out->HelloWorldResponse;
25.var_dump($out);
26.?>

服务端

代码:

01.<?php
02.class Member
03.{
04.public $UserId;
05.public $Name;
06.public function __construct($parmas){
07.$this->UserId = $parmas[0];
08.$this->Name = $parmas[1];
09.}
10.}
11.$servidorSoap = new SoapServer('testphp.xml',array('uri' => 'http://www.TestPHP.com/','encoding'=>'utf-8','soap_version' => SOAP_1_2 ));
12.$servidorSoap->setClass(Testphp);
13.$servidorSoap->handle();
14.class Testphp {
15.public function HelloWorld($uid){
16.return array('HelloWorldResult'=>"mystring".$uid->{'uname'}.' and '.$uid->{'upassword'});
17.}
18.public function GetMember($uid){
19.$s=array();
20.for($i=0;$i<$uid->{'uid'};$i++){
21.$s[] =&amp;new Member(array($i, $uid->{'uname'}.'我测试'.$i));
22.}
23.return   array('GetMemberResult'=>$s);
24.}
25.}
26.?>

到这里应该都看的懂吧
下面是WSDL文件

代码:

001.<?xml version="1.0" encoding="utf-8"?>
002.<wsdl:definitions xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/" xmlns:tm="http://microsoft.com/wsdl/mime/textMatching/" xmlns:soapenc="http://schemas.xmlsoap.org/soap/encoding/" xmlns:mime="http://schemas.xmlsoap.org/wsdl/mime/" xmlns:tns="http://www.TestPHP.com/" xmlns:s="http://www.w3.org/2001/XMLSchema" xmlns:soap12="http://schemas.xmlsoap.org/wsdl/soap12/" xmlns:http="http://schemas.xmlsoap.org/wsdl/http/" targetNamespace="http://www.TestPHP.com/" xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/">
003.<wsdl:types>
004.<s:schema elementFormDefault="qualified" targetNamespace="http://www.TestPHP.com/">
005.<s:element name="HelloWorld">
006.<s:complexType>
007.<s:sequence>
008.<s:element minOccurs="0" maxOccurs="1" name="uname" type="s:string" />
009.<s:element minOccurs="0" maxOccurs="1" name="upassword" type="s:string" />
010.</s:sequence>
011.</s:complexType>
012.</s:element>
013.<s:element name="HelloWorldResponse">
014.<s:complexType>
015.<s:sequence>
016.<s:element minOccurs="0" maxOccurs="1" name="HelloWorldResult" type="s:string" />
017.</s:sequence>
018.</s:complexType>
019.</s:element>
020.<s:element name="GetMember">
021.<s:complexType>
022.<s:sequence>
023.<s:element minOccurs="1" maxOccurs="1" name="uid" type="s:int" />
024.<s:element minOccurs="0" maxOccurs="1" name="uname" type="s:string" />
025.</s:sequence>
026.</s:complexType>
027.</s:element>
028.<s:element name="GetMemberResponse">
029.<s:complexType>
030.<s:sequence>
031.<s:element minOccurs="0" maxOccurs="1" name="GetMemberResult" type="tns:ArrayOfMember" />
032.</s:sequence>
033.</s:complexType>
034.</s:element>
035.<s:complexType name="ArrayOfMember">
036.<s:sequence>
037.<s:element minOccurs="0" maxOccurs="unbounded" name="Member" nillable="true" type="tns:Member" />
038.</s:sequence>
039.</s:complexType>
040.<s:complexType name="Member">
041.<s:sequence>
042.<s:element minOccurs="1" maxOccurs="1" name="UserId" type="s:int" />
043.<s:element minOccurs="0" maxOccurs="1" name="Name" type="s:string" />
044.</s:sequence>
045.</s:complexType>
046.</s:schema>
047.</wsdl:types>
048.<wsdl:message name="HelloWorldSoapIn">
049.<wsdl:part name="parameters" element="tns:HelloWorld" />
050.</wsdl:message>
051.<wsdl:message name="HelloWorldSoapOut">
052.<wsdl:part name="parameters" element="tns:HelloWorldResponse" />
053.</wsdl:message>
054.<wsdl:message name="GetMemberSoapIn">
055.<wsdl:part name="parameters" element="tns:GetMember" />
056.</wsdl:message>
057.<wsdl:message name="GetMemberSoapOut">
058.<wsdl:part name="parameters" element="tns:GetMemberResponse" />
059.</wsdl:message>
060.<wsdl:portType name="TestPHPSoap">
061.<wsdl:operation name="HelloWorld">
062.<wsdl:input message="tns:HelloWorldSoapIn" />
063.<wsdl:output message="tns:HelloWorldSoapOut" />
064.</wsdl:operation>
065.<wsdl:operation name="GetMember">
066.<wsdl:input message="tns:GetMemberSoapIn" />
067.<wsdl:output message="tns:GetMemberSoapOut" />
068.</wsdl:operation>
069.</wsdl:portType>
070.<wsdl:binding name="TestPHPSoap" type="tns:TestPHPSoap">
071.<soap:binding transport="http://schemas.xmlsoap.org/soap/http" />
072.<wsdl:operation name="HelloWorld">
073.<soap:operation soapAction="http://www.TestPHP.com/HelloWorld"   />
074.<wsdl:input>
075.<soap:body use="literal" />
076.</wsdl:input>
077.<wsdl:output>
078.<soap:body use="literal" />
079.</wsdl:output>
080.</wsdl:operation>
081.<wsdl:operation name="GetMember">
082.<soap:operation soapAction="http://www.TestPHP.com/GetMember"  />
083.<wsdl:input>
084.<soap:body use="literal" />
085.</wsdl:input>
086.<wsdl:output>
087.<soap:body use="literal" />
088.</wsdl:output>
089.</wsdl:operation>
090.</wsdl:binding>
091.<wsdl:binding name="TestPHPSoap12" type="tns:TestPHPSoap">
092.<soap12:binding transport="http://schemas.xmlsoap.org/soap/http" />
093.<wsdl:operation name="HelloWorld">
094.<soap12:operation soapAction="http://www.TestPHP.com/HelloWorld"  />
095.<wsdl:input>
096.<soap12:body use="literal" />
097.</wsdl:input>
098.<wsdl:output>
099.<soap12:body use="literal" />
100.</wsdl:output>
101.</wsdl:operation>
102.<wsdl:operation name="GetMember">
103.<soap12:operation soapAction="http://www.TestPHP.com/GetMember"  />
104.<wsdl:input>
105.<soap12:body use="literal" />
106.</wsdl:input>
107.<wsdl:output>
108.<soap12:body use="literal" />
109.</wsdl:output>
110.</wsdl:operation>
111.</wsdl:binding>
112.<wsdl:service name="TestPHP">
113.<wsdl:port name="TestPHPSoap" binding="tns:TestPHPSoap">
114.<soap:address location="http://soap/goodwsdl/testphp.php" />
115.</wsdl:port>
116.<wsdl:port name="TestPHPSoap12" binding="tns:TestPHPSoap12">
117.<soap12:address location="http://soap/goodwsdl/testphp.php" />
118.</wsdl:port>
119.</wsdl:service>
120.</wsdl:definitions>

这里有返回的两个字段，一个是返回字符串，这个很好理解

01.<s:element name="HelloWorld">
02.<s:complexType>
03.<s:sequence>
04.<s:element minOccurs="0" maxOccurs="1" name="uname" type="s:string" />
05.<s:element minOccurs="0" maxOccurs="1" name="upassword" type="s:string" />
06.</s:sequence>
07.</s:complexType>
08.</s:element>
09.<s:element name="HelloWorldResponse">
10.<s:complexType>
11.<s:sequence>
12.<s:element minOccurs="0" maxOccurs="1" name="HelloWorldResult" type="s:string" />
13.</s:sequence>
14.</s:complexType>
15.</s:element>

这一段就字符串的
那返回数组的就比较麻烦了，我和老农搞了一两周才发现是WSDL文件写错了，看下面的一段

01.<s:element name="GetMember">
02.<s:complexType>
03.<s:sequence>
04.<s:element minOccurs="1" maxOccurs="1" name="uid" type="s:int" />
05.<s:element minOccurs="0" maxOccurs="1" name="uname" type="s:string" />
06.</s:sequence>
07.</s:complexType>
08.</s:element>
09.<s:element name="GetMemberResponse">
10.<s:complexType>
11.<s:sequence>
12.<s:element minOccurs="0" maxOccurs="1" name="GetMemberResult" type="tns:ArrayOfMember" />
13.</s:sequence>
14.</s:complexType>
15.</s:element>
16.<s:complexType name="ArrayOfMember">
17.<s:sequence>
18.<s:element minOccurs="0" maxOccurs="unbounded" name="Member" nillable="true" type="tns:Member" />
19.</s:sequence>
20.</s:complexType>
21.<s:complexType name="Member">
22.<s:sequence>
23.<s:element minOccurs="1" maxOccurs="1" name="UserId" type="s:int" />
24.<s:element minOccurs="0" maxOccurs="1" name="Name" type="s:string" />
25.</s:sequence>
26.</s:complexType>

第一段GetMember是输入，最重要的是GetMemberResponse这段，看type=”tns:ArrayOfMember”这里，返回一 个数组，WSDL中定义了ArrayOf这个，后面的就简单了，ArrayOfMember的类型是type=”tns:Member” ，从name=”Member”得到要返回的数组，完工。

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