淺談PHP企業級應用之WebService篇_PHP教程

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推薦：淺談PHP企業級應用之常見緩存技術篇
別每天OO，這個配置怎么改，這段代碼哪錯了，沒勁，好的程序不光是代碼寫的好，整體架構很重要，多了解程序之外的東西，這篇不再單單是程序方面的東西了，會寫到從程序到服務器的設置，會比較多，但個人的經驗有限，知道的就這么多，不知道的我也沒法寫呀，

來段企業級應用吧，主要是講PHP5對webservice的一些實現(以下的程序可以被JAVA，NET，C等正常調用)

國內用PHP寫WebService的真的很少，網上資料也沒多少，公司的項目開發過程中，經歷了不少這方面的東西，寫出來以供大家參考（謝謝老農提供的WSDL和程序文件）

客戶端

<?php
header ( "Content-Type: text/html; charset=utf-8" );
/*
* 指定WebService路徑并初始化一個WebService客戶端
*/
$ws = "http://soap/soapCspMessage.php?wsdl";
$client = new SoapClient ( $ws, array ('trace' => 1, 'uri' => 'http://www.zxsv.com/SoapDiscovery/' ) );
/*
* 獲取SoapClient對象引用的服務所提供的所有方法
*/
echo ("SOAP服務器提供的開放函數:");
echo ('<pre>');
var_dump ( $client->__getFunctions () );
echo ('</pre>');
echo ("SOAP服務器提供的Type:");
echo ('<pre>');
var_dump ( $client->__getTypes () );
echo ('</pre>');
echo ("執行GetGUIDNode的結果:");
//$users = $client->GetUsers();
//var_dump($HelloWorld );
$parameters = array('uname'=>'zxsv',"upassword"=>'123');
    $out = $client->HelloWorld($parameters);
    $datadb = $out->HelloWorldResponse;
    var_dump($out);
?>

服務端

<?php
class Member
{
    public $UserId;
    public $Name;
    public function __construct($parmas){
        $this->UserId = $parmas[0];
        $this->Name = $parmas[1];
    }
}
$servidorSoap = new SoapServer('testphp.xml',array('uri' => 'http://www.TestPHP.com/','encoding'=>'utf-8','soap_version' => SOAP_1_2 ));
$servidorSoap->setClass(Testphp);
$servidorSoap->handle();
class Testphp {
    public function HelloWorld($uid){
        return array('HelloWorldResult'=>"mystring".$uid->{'uname'}.' and '.$uid->{'upassword'});
    }
    public function GetMember($uid){
        $s=array();
        for($i=0;$i<$uid->{'uid'};$i++){
            $s[] =&new Member(array($i, $uid->{'uname'}.'我測試'.$i));
        }
        return   array('GetMemberResult'=>$s);
    }
}
?>

到這里應該都看的懂吧
下面是WSDL文件

<?xml version="1.0" encoding="utf-8"?>
<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/">
<wsdl:types>
    <s:schema elementFormDefault="qualified" targetNamespace="http://www.TestPHP.com/">
      <s:element name="HelloWorld">
        <s:complexType>
          <s:sequence>
            <s:element minOccurs="0" maxOccurs="1" name="uname" type="s:string" />
            <s:element minOccurs="0" maxOccurs="1" name="upassword" type="s:string" />
          </s:sequence>
        </s:complexType>
      </s:element>
      <s:element name="HelloWorldResponse">
        <s:complexType>
          <s:sequence>
            <s:element minOccurs="0" maxOccurs="1" name="HelloWorldResult" type="s:string" />
          </s:sequence>
        </s:complexType>
      </s:element>
      <s:element name="GetMember">
        <s:complexType>
          <s:sequence>
            <s:element minOccurs="1" maxOccurs="1" name="uid" type="s:int" />
            <s:element minOccurs="0" maxOccurs="1" name="uname" type="s:string" />
          </s:sequence>
        </s:complexType>
      </s:element>
      <s:element name="GetMemberResponse">
        <s:complexType>
          <s:sequence>
            <s:element minOccurs="0" maxOccurs="1" name="GetMemberResult" type="tns:ArrayOfMember" />
          </s:sequence>
        </s:complexType>
      </s:element>
      <s:complexType name="ArrayOfMember">
        <s:sequence>
          <s:element minOccurs="0" maxOccurs="unbounded" name="Member" nillable="true" type="tns:Member" />
        </s:sequence>
      </s:complexType>
      <s:complexType name="Member">
        <s:sequence>
          <s:element minOccurs="1" maxOccurs="1" name="UserId" type="s:int" />
          <s:element minOccurs="0" maxOccurs="1" name="Name" type="s:string" />
        </s:sequence>
      </s:complexType>
    </s:schema>
</wsdl:types>
<wsdl:message name="HelloWorldSoapIn">
    <wsdl:part name="parameters" element="tns:HelloWorld" />
</wsdl:message>
<wsdl:message name="HelloWorldSoapOut">
    <wsdl:part name="parameters" element="tns:HelloWorldResponse" />
</wsdl:message>
<wsdl:message name="GetMemberSoapIn">
    <wsdl:part name="parameters" element="tns:GetMember" />
</wsdl:message>
<wsdl:message name="GetMemberSoapOut">
    <wsdl:part name="parameters" element="tns:GetMemberResponse" />
</wsdl:message>
<wsdl:portType name="TestPHPSoap">
    <wsdl:operation name="HelloWorld">
      <wsdl:input message="tns:HelloWorldSoapIn" />
      <wsdl:output message="tns:HelloWorldSoapOut" />
    </wsdl:operation>
    <wsdl:operation name="GetMember">
      <wsdl:input message="tns:GetMemberSoapIn" />
      <wsdl:output message="tns:GetMemberSoapOut" />
    </wsdl:operation>
</wsdl:portType>
<wsdl:binding name="TestPHPSoap" type="tns:TestPHPSoap">
    <soap:binding transport="http://schemas.xmlsoap.org/soap/http" />
    <wsdl:operation name="HelloWorld">
      <soap:operation soapAction="http://www.TestPHP.com/HelloWorld"   />
      <wsdl:input>
        <soap:body use="literal" />
      </wsdl:input>
      <wsdl:output>
        <soap:body use="literal" />
      </wsdl:output>
    </wsdl:operation>
    <wsdl:operation name="GetMember">
      <soap:operation soapAction="http://www.TestPHP.com/GetMember" />
      <wsdl:input>
        <soap:body use="literal" />
      </wsdl:input>
      <wsdl:output>
        <soap:body use="literal" />
      </wsdl:output>
    </wsdl:operation>
</wsdl:binding>
<wsdl:binding name="TestPHPSoap12" type="tns:TestPHPSoap">
    <soap12:binding transport="http://schemas.xmlsoap.org/soap/http" />
    <wsdl:operation name="HelloWorld">
      <soap12:operation soapAction="http://www.TestPHP.com/HelloWorld" />
      <wsdl:input>
        <soap12:body use="literal" />
      </wsdl:input>
      <wsdl:output>
        <soap12:body use="literal" />
      </wsdl:output>
    </wsdl:operation>
    <wsdl:operation name="GetMember">
      <soap12:operation soapAction="http://www.TestPHP.com/GetMember" />
      <wsdl:input>
        <soap12:body use="literal" />
      </wsdl:input>
      <wsdl:output>
        <soap12:body use="literal" />
      </wsdl:output>
    </wsdl:operation>
</wsdl:binding>
<wsdl:service name="TestPHP">
    <wsdl:port name="TestPHPSoap" binding="tns:TestPHPSoap">
      <soap:address location="http://soap/goodwsdl/testphp.php" />
    </wsdl:port>
    <wsdl:port name="TestPHPSoap12" binding="tns:TestPHPSoap12">
      <soap12:address location="http://soap/goodwsdl/testphp.php" />
    </wsdl:port>
</wsdl:service>
</wsdl:definitions>

這里有返回的兩個字段，一個是返回字符串，這個很好理解

<s:element name="HelloWorld">
        <s:complexType>
          <s:sequence>
            <s:element minOccurs="0" maxOccurs="1" name="uname" type="s:string" />
            <s:element minOccurs="0" maxOccurs="1" name="upassword" type="s:string" />
          </s:sequence>
        </s:complexType>
      </s:element>
      <s:element name="HelloWorldResponse">
        <s:complexType>
          <s:sequence>
            <s:element minOccurs="0" maxOccurs="1" name="HelloWorldResult" type="s:string" />
          </s:sequence>
        </s:complexType>
      </s:element>

這一段就字符串的
那返回數組的就比較麻煩了，我和老農搞了一兩周才發現是WSDL文件寫錯了，看下面的一段

      <s:element name="GetMember">
        <s:complexType>
          <s:sequence>
            <s:element minOccurs="1" maxOccurs="1" name="uid" type="s:int" />
            <s:element minOccurs="0" maxOccurs="1" name="uname" type="s:string" />
          </s:sequence>
        </s:complexType>
      </s:element>
      <s:element name="GetMemberResponse">
        <s:complexType>
          <s:sequence>
            <s:element minOccurs="0" maxOccurs="1" name="GetMemberResult" type="tns:ArrayOfMember" />
          </s:sequence>
        </s:complexType>
      </s:element>
      <s:complexType name="ArrayOfMember">
        <s:sequence>
          <s:element minOccurs="0" maxOccurs="unbounded" name="Member" nillable="true" type="tns:Member" />
        </s:sequence>
      </s:complexType>
      <s:complexType name="Member">
        <s:sequence>
          <s:element minOccurs="1" maxOccurs="1" name="UserId" type="s:int" />
          <s:element minOccurs="0" maxOccurs="1" name="Name" type="s:string" />
        </s:sequence>
      </s:complexType>

第一段GetMember是輸入，最重要的是GetMemberResponse這段，看type="tns:ArrayOfMember"這里，返回一個數組，WSDL中定義了ArrayOf這個，后面的就簡單了，ArrayOfMember的類型是type="tns:Member" ，從name="Member"得到要返回的數組，完工。

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來源：模板無憂/所屬分類：PHP教程/更新時間：2009-07-09

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