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php中soap应用

Jun 06, 2016 pm 07:59 PM
php s soap protocol object application Simple access

SOAP :简单对象访问协议 (SOAP:Simple Object Access Protocol) 简单对象访问协议(SOAP)是一种轻量的、简单的、基于 XML 的协议,它被设计成在 WEB 上交换结构化的和固化的信息。 SOAP 可以和现存的许多因特网协议和格式结合使用,包括超文本传输协议

SOAP:简单对象访问协议

  (SOAP:Simple Object Access Protocol)

  简单对象访问协议(SOAP)是一种轻量的、简单的、基于 XML 的协议,它被设计成在 WEB 上交换结构化的和固化的信息。 SOAP 可以和现存的许多因特网协议和格式结合使用,包括超文本传输协议( HTTP),简单邮件传输协议(SMTP),多用途网际邮件扩充协议(MIME)。它还支持从消息系统到远程过程调用(RPC)等大量的应用程序。

 

下面已一个简单的例子介绍一下soap在php中的应用。

 

1、使用php提供soap接口给其他人

    

     要使用php提供soap接口,我们唯一需要做的就是使用SoapServer类声明一个接口。

     下面是示例代码:

 

     php文件:SoapInterfaceProvider.php

 

 

2、调用php中已经提供好的soap接口

     要测试步骤1中提供的接口,只需要执行下面的测试代码。(只需要执行下面的代码,不需要事先启动或执行

     SoapInterfaceProvider.php文件,调用下面的测试代码的时候,php会自动执行SoapInterfaceProvider.php文件。所以

     这里的location参数非常重要,不能出错,必须是实际放置SoapInterfaceProvider.php的位置)

     php文件:SoapClient.php

 

 

 在浏览器中输入下面连接进行测试:http://localhost/soap/SoapClient.php   (根据实际位置进行调整)

 执行结果:

 获取到数据:hello world

 

 3、代码优化

 

      上面提供的soap接口的文件SoapInterfaceProvider.php中,只有一个方法,如果有很多方法需要提供的话,每次都调用addFunction方法就显得有点麻烦了。并且将所有实际的方法都写在SoapInterfaceProvider.php文件中也不太合适。

      这里我们可以将所有实际要调用的方法提出来放到一个单独的php类中,并且使用setClass方法一次性声明所有的接口。

      下面是示例代码:

      php文件:SoapMethod.class.php

 

 

      php文件:SoapInterfaceProvider.php

 

 

      我在进行测试时,一开始没有使用setClass方法,而是使用了addFunction方法,实际调用的方法也时放到了SoapMethod类中,和

上面的SoapMethod.class.php代码一样。结果调用addFunction方法时,出现如下错误:

 

Fatal error: Uncaught SoapFault exception: [HTTP] Not Found in C:/AppServ/www/webcenter/soap/SoapClient.php:4 Stack trace: #0 [internal function]: SoapClient->__doRequest('__call('getSoapData', Array) #2 C:/AppServ/www/webcenter/soap/SoapClient.php(4): SoapClient->getSoapData() #3 {main} thrown in C:/AppServ/www/webcenter/soap/SoapClient.php on line 4

 

      后发现是用于方法定义在了类中,SoapInterfaceProvider.php文件中无法找到。将SoapMethod.class.php中的类定义去掉,只保留定

义的方法就可以了。

      如果创建SoapClient时传入的location参数有问题,也会出现上面的错误。

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