php webservice

extension=php_soap.dll

class api
{
    public function Hello()
    {
        return 'hello good';
    }
    public function test($aa)
    {
        return $aa;
    }
    public function sum($a = 0, $b = 1)
    {
        return $a + $b;
    }
    public function power($a = 0)
    {
        return pow($a,2);
    }
}

define('WSDL_URL','api.wsdl');        //定义WSDL文件路径
ini_set('soap.wsdl_cache_enabled','0');    //关闭WSDL缓存
include_once 'api.php';
include_once 'SoapDiscovery.class.php';
$wsdl = new SoapDiscovery('api', 'service'); //第一参数为类名，也是生成wsdl的文件名api.wsdl，第二个参数是服务的名字可以随便写
$str = $wsdl->getWSDL();
file_put_contents(WSDL_URL,$str);

class api
{
    public function Hello()
    {
        return 'hello good';
    }
    public function test($aa)
    {
        return $aa;
    }
    public function sum($a = 0, $b = 1)
    {
        return $a + $b;
    }
    public function power($a = 0)
    {
        return pow($a,2);
    }
}
$server = new SoapServer('api.wsdl', array('soap_version' => SOAP_1_2)); ##此处的api.wsdl文件是上面生成的
$server->setClass("api"); //注册Service类的所有方法
$server->handle();

$x = new SoapClient("http://localhost/webservice/api.php?wsdl");
try {
    echo date("Y-m-d H:i:s", time());
    echo "<br>";
    echo $x->test('ok');
    echo "<br>";
    echo $x->hello();
    echo "<br>";
    echo $x->sum(1, 2);
    echo "<br>";
    echo $x->power(5);
    echo "<br>";
    echo $x->powe(3);
} catch (SoapFault $f) {
     echo "Error Message: {$f->getMessage()}";
}

$server = new SoapServer('api.wsdl', array('soap_version' => SOAP_1_2)); ##此处的api.wsdl文件是上面生成的
$server->setClass("api"); //注册Service类的所有方法
$server->handle();

<?php
  
/**
 * Copyright (c) 2005, Braulio Jos?Solano Rojas
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modification, are
 * permitted provided that the following conditions are met:
 * 
 *     Redistributions of source code must retain the above copyright notice, this list of
 *     conditions and the following disclaimer. 
 *     Redistributions in binary form must reproduce the above copyright notice, this list of
 *     conditions and the following disclaimer in the documentation and/or other materials
 *     provided with the distribution. 
 *     Neither the name of the Solsoft de Costa Rica S.A. nor the names of its contributors may
 *     be used to endorse or promote products derived from this software without specific
 *     prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * 
 *
 * @version $Id$
 * @copyright 2005 
 */

/**
 * SoapDiscovery Class that provides Web Service Definition Language (WSDL).
 * 
 * @package SoapDiscovery
 * @author Braulio Jos?Solano Rojas
 * @copyright Copyright (c) 2005 Braulio Jos?Solano Rojas
 * @version $Id$
 * @access public
 **/
class SoapDiscovery {
    private $class_name = '';
    private $service_name = '';
    
    /**
     * SoapDiscovery::__construct() SoapDiscovery class Constructor.
     * 
     * @param string $class_name
     * @param string $service_name
     **/
    public function __construct($class_name = '', $service_name = '') {
        $this->class_name = $class_name;
        $this->service_name = $service_name;
    }
    
    /**
     * SoapDiscovery::getWSDL() Returns the WSDL of a class if the class is instantiable.
     * 
     * @return string
     **/
    public function getWSDL() {
        if (empty($this->service_name)) {
            throw new Exception('No service name.');
        }
        $headerWSDL = "<?xml version=\"1.0\" ?>\n";
        $headerWSDL.= "<definitions name=\"$this->service_name\" targetNamespace=\"urn:$this->service_name\" xmlns:wsdl=\"http://schemas.xmlsoap.org/wsdl/\" xmlns:soap=\"http://schemas.xmlsoap.org/wsdl/soap/\" xmlns:tns=\"urn:$this->service_name\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" xmlns:SOAP-ENC=\"http://schemas.xmlsoap.org/soap/encoding/\" xmlns=\"http://schemas.xmlsoap.org/wsdl/\">\n";
        $headerWSDL.= "<types xmlns=\"http://schemas.xmlsoap.org/wsdl/\" />\n";

        if (empty($this->class_name)) {
            throw new Exception('No class name.');
        }
        
        $class = new ReflectionClass($this->class_name);
        
        if (!$class->isInstantiable()) {
            throw new Exception('Class is not instantiable.');
        }
        
        $methods = $class->getMethods();
        
        $portTypeWSDL = '<portType name="'.$this->service_name.'Port">';
        $bindingWSDL = '<binding name="'.$this->service_name.'Binding" type="tns:'.$this->service_name."Port\">\n<soap:binding style=\"rpc\" transport=\"http://schemas.xmlsoap.org/soap/http\" />\n";
        $serviceWSDL = '<service name="'.$this->service_name."\">\n<documentation />\n<port name=\"".$this->service_name.'Port" binding="tns:'.$this->service_name."Binding\"><soap:address location=\"http://".$_SERVER['SERVER_NAME'].':'.$_SERVER['SERVER_PORT'].$_SERVER['PHP_SELF']."\" />\n</port>\n</service>\n";
        $messageWSDL = '';
        foreach ($methods as $method) {
            if ($method->isPublic() && !$method->isConstructor()) {
                $portTypeWSDL.= '<operation name="'.$method->getName()."\">\n".'<input message="tns:'.$method->getName()."Request\" />\n<output message=\"tns:".$method->getName()."Response\" />\n</operation>\n";
                $bindingWSDL.= '<operation name="'.$method->getName()."\">\n".'<soap:operation soapAction="urn:'.$this->service_name.'#'.$this->class_name.'#'.$method->getName()."\" />\n<input><soap:body use=\"encoded\" namespace=\"urn:$this->service_name\" encodingStyle=\"http://schemas.xmlsoap.org/soap/encoding/\" />\n</input>\n<output>\n<soap:body use=\"encoded\" namespace=\"urn:$this->service_name\" encodingStyle=\"http://schemas.xmlsoap.org/soap/encoding/\" />\n</output>\n</operation>\n";
                $messageWSDL.= '<message name="'.$method->getName()."Request\">\n";
                $parameters = $method->getParameters();
                foreach ($parameters as $parameter) {
                    $messageWSDL.= '<part name="'.$parameter->getName()."\" type=\"xsd:string\" />\n";
                }
                $messageWSDL.= "</message>\n";
                $messageWSDL.= '<message name="'.$method->getName()."Response\">\n";
                $messageWSDL.= '<part name="'.$method->getName()."\" type=\"xsd:string\" />\n";
                $messageWSDL.= "</message>\n";
            }
        }
        $portTypeWSDL.= "</portType>\n";
        $bindingWSDL.= "</binding>\n";
        return sprintf('%s%s%s%s%s%s', $headerWSDL, $portTypeWSDL, $bindingWSDL, $serviceWSDL, $messageWSDL, '</definitions>');
    }
    
    /**
     * SoapDiscovery::getDiscovery() Returns discovery of WSDL.
     * 
     * @return string
     **/
    public function getDiscovery() {
        return "<?xml version=\"1.0\" ?>\n<disco:discovery xmlns:disco=\"http://schemas.xmlsoap.org/disco/\" xmlns:scl=\"http://schemas.xmlsoap.org/disco/scl/\">\n<scl:contractRef ref=\"http://".$_SERVER['SERVER_NAME'].':'.$_SERVER['SERVER_PORT'].$_SERVER['PHP_SELF']."?wsdl\" />\n</disco:discovery>";
    }
}

?>