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php調用webservice失敗的解決辦法:1、去掉“;extension=php_soap.dll”前的分號并重啟apache;2、創(chuàng)建WSDL文件并運行creatService.php文件;3、關閉WSDL緩存。
本文操作環(huán)境:windows7系統(tǒng)、PHP7.1版、DELL G3電腦
php調用webservice失敗怎么辦?
php編寫webservice案例、webservice調用失敗
作為開發(fā)者來講,要想寫webservice接口或者調用別人的webservice接口,首先需要了解什么是webservice。
簡單說, WebService就是一些站點開放一些服務出來, 也可以是你自己開發(fā)的Service, 也就是一些方法, 通過URL,指定某一個方法名,發(fā)出請求,站點里的這個服務(方法),接到你的請求,根據(jù)傳過來的參數(shù),做一些處理,然后把處理后的結果以XML形式返回來給你,你的程序就解析這些XML數(shù)據(jù),然后顯示出來或做其它操作。
在開始編寫之前需要對php環(huán)境做一些配置:
打開php安裝目錄下的php.ini文件
找到 ;extension=php_soap.dll ,去掉前面的分號,保存,然后重啟apache。
配置好環(huán)境就可以編寫php了,先創(chuàng)建creatService.php文件,復制下面代碼:
<?php class ServiceTest{ public function firstHandle($name){ return "你的名字是:".$name; } public function dbInsert($text){ $db=new MySQLi("localhost","root","","test"); if(mysqli_connect_error()){ return '數(shù)據(jù)庫連接失敗。'; exit; } $result=$db->query("insert into test_soap (text) values('".$text."')"); if($result){ return $result; }else{ return "插入失敗"; } } } if(file_exists('ServiceTest.wsdl')){ //只有當ServiceTest.wsdl文件存在時才進行注冊類 $objSoapServer = new SoapServer("ServiceTest.wsdl"); //注冊ServiceTest類的所有方法 $objSoapServer->setClass("ServiceTest"); //處理請求 $objSoapServer->handle(); } require_once "SoapDiscovery.class.php"; $dis=new SoapDiscovery("ServiceTest","WebService"); //第一個參數(shù)為類名也是生成wsdl的文件名 $dis->getWSDL(); ?>
第一次運行creatService.php文件時要創(chuàng)建wsdl文件,創(chuàng)建WSDL文件需要用到一個輔助類SoapDiscovery.class.php。在文章末尾可以得到。
創(chuàng)建完成之后便是測試調用,創(chuàng)建client.php文件,復制以下代碼:
ini_set('soap.wsdl_cache_enabled','0');//關閉緩存 $x = new SoapClient("http://localhost/webServiceTest/ServiceTest.wsdl"); //這里的鏈接換成你自己的訪問鏈接 try { echo $x->firstHandle('qweqrwergwe'); echo ('<pre>'); var_dump ( $x->__getFunctions () );//獲取服務器上提供的方法 echo ('</pre>'); echo ('<pre>'); var_dump ( $x->__getTypes () );//獲取服務器上數(shù)據(jù)類型 echo ('</pre>'); }catch (SoapFault $f){ echo "Error Message: {$f->getMessage()}"; }
注意! ini_set('soap.wsdl_cache_enabled','0'); //關閉WSDL緩存
如果不關閉緩存,會造成測試無效,緩存數(shù)據(jù)會擾亂測試準確性。
注意!如果是在thinkphp5中使用SoapClient函數(shù)應當如下使用:
$client = new \SoapClient ('http://www.baidu.com/ids/terminal/terminalWs.wsdl');
重要點:
使用https訪問webservice的話會出現(xiàn)訪問異常,博主就遇到這個問題的,本地創(chuàng)建和調用webservice都通過了,但是一放到線上就無法調用了,然后各種google、baidu。最后才發(fā)現(xiàn)線上的環(huán)境是http強制轉了https。
我的解決辦法是取消了http強制轉換https的功能:
找到httpd-vhost.conf,注釋掉一下代碼:
## RewriteEngine on ## RewriteCond %{HTTPS} !=on ## RewriteRule ^(.*) https://%{SERVER_NAME}$1 [L,R]
注釋掉上面的代碼后我發(fā)現(xiàn)我的網站不是https了,嗚嗚嗚~,真的是拆了東墻補西墻啊,趕緊想辦法,因為網站必須使用https才行,還好我使用的是thinkphp框架,找到了一個方法,在入口文件index.php最下面加入下面的代碼就行了:
if (empty($_SERVER['HTTPS']) || $_SERVER['HTTPS'] === "off") { $location = 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']; header('HTTP/1.1 301 Moved Permanently'); header('Location: ' . $location); exit; }
SoapDiscovery.class.php類:
<?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>'); $fso = fopen($this->class_name . ".wsdl" , "w"); fwrite($fso, sprintf('%s%s%s%s%s%s', $headerWSDL, $portTypeWSDL, $bindingWSDL, $serviceWSDL, $messageWSDL, '</definitions>')); exit; } /** * SoapDiscovery::getDiscovery() Returns discovery of WSDL. * * @return string **/ public function getDiscovery() { return "<?xml version=\"1.0\" ?>\n<disco:discovery xmlns:disco=\"http://schemas.xmlsoap.org/disco/\" xmlns:scl=\"http://schemas.xmlsoap.org/disco/scl/\">\n<scl:contractRef ref=\"http://".$_SERVER['SERVER_NAME'].':'.$_SERVER['SERVER_PORT'].$_SERVER['PHP_SELF']."?wsdl\" />\n</disco:discovery>"; } } ?>
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