<iOS>网络编程（三）SOAP, WSDL, Web Service-白红宇

<iOS>网络编程（三）SOAP, WSDL, Web Service

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发布时间：2019-05-25

本文共 6035 字，大约阅读时间需要 20 分钟。

前面二篇文章都是以这个网址为基础进行分析的，http://www.ripedevelopment.com/webservices/LocalTime.asmx

但有时，我们可能没有这个网址，只有一个wsdl文件，怎么办呢，其实读一下这个wsdl文件，也是可以知道其中的接口以及调用方式。

我们先看一下上面这个网址的wsdl会是什么样的，

点击上面这个网址的左边： Service Description. 可以看到如下内容：

<?xml version="1.0" encoding="utf-16"?>
<definitions xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/"

xmlns:soap12="http://schemas.xmlsoap.org/wsdl/soap12/"

xmlns:soapenc="http://schemas.xmlsoap.org/soap/encoding/"

xmlns:s="http://www.w3.org/2001/XMLSchema"

xmlns:http="http://schemas.xmlsoap.org/wsdl/http/"

xmlns:mime="http://schemas.xmlsoap.org/wsdl/mime/"

xmlns:tm="http://microsoft.com/wsdl/mime/textMatching/"

xmlns:s0="http://www.ripedev.com/" name="LocalTime"

      targetNamespace="http://www.ripedev.com/" xmlns="http://schemas.xmlsoap.org/wsdl/">
  <types>
    <xs:schema elementFormDefault="qualified" targetNamespace="http://www.ripedev.com/"

          xmlns:xs="http://www.w3.org/2001/XMLSchema">
      <xs:element name="LocalTimeByZipCode">
        <xs:complexType>
          <xs:sequence>
            <xs:element minOccurs="0" maxOccurs="1" name="ZipCode" type="xs:string"/>
          </xs:sequence>
        </xs:complexType>
      </xs:element>
      <xs:element name="LocalTimeByZipCodeResponse">
        <xs:complexType>
          <xs:sequence>
            <xs:element minOccurs="0" maxOccurs="1" name="LocalTimeByZipCodeResult"

                  type="xs:string"/>
          </xs:sequence>
        </xs:complexType>
      </xs:element>
      <xs:element name="string" nillable="true" type="xs:string"/>
    </xs:schema>
  </types>
  <message name="LocalTimeByZipCodeSoapIn">
    <part name="parameters" element="s0:LocalTimeByZipCode"/>
  </message>
  <message name="LocalTimeByZipCodeSoapOut">
    <part name="parameters" element="s0:LocalTimeByZipCodeResponse"/>
  </message>
  <message name="LocalTimeByZipCodeHttpGetIn">
    <part name="ZipCode" type="s:string"/>
  </message>
  <message name="LocalTimeByZipCodeHttpGetOut">
    <part name="Body" element="s0:string"/>
  </message>
  <message name="LocalTimeByZipCodeHttpPostIn">
    <part name="ZipCode" type="s:string"/>
  </message>
  <message name="LocalTimeByZipCodeHttpPostOut">
    <part name="Body" element="s0:string"/>
  </message>
  <portType name="LocalTimeSoap">
    <operation name="LocalTimeByZipCode">
      <wsdl:documentation xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/">Returns local time for
            a given zip code.</wsdl:documentation>
      <input message="s0:LocalTimeByZipCodeSoapIn"/>
      <output message="s0:LocalTimeByZipCodeSoapOut"/>
    </operation>
  </portType>
  <portType name="LocalTimeSoap12">
    <operation name="LocalTimeByZipCode">
      <wsdl:documentation xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/">Returns local time for
            a given zip code.</wsdl:documentation>
      <input message="s0:LocalTimeByZipCodeSoapIn"/>
      <output message="s0:LocalTimeByZipCodeSoapOut"/>
    </operation>
  </portType>
  <portType name="LocalTimeHttpGet">
    <operation name="LocalTimeByZipCode">
      <wsdl:documentation xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/">Returns local time for
            a given zip code.</wsdl:documentation>
      <input message="s0:LocalTimeByZipCodeHttpGetIn"/>
      <output message="s0:LocalTimeByZipCodeHttpGetOut"/>
    </operation>
  </portType>
  <portType name="LocalTimeHttpPost">
    <operation name="LocalTimeByZipCode">
      <wsdl:documentation xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/">Returns local time for
            a given zip code.</wsdl:documentation>
      <input message="s0:LocalTimeByZipCodeHttpPostIn"/>
      <output message="s0:LocalTimeByZipCodeHttpPostOut"/>
    </operation>
  </portType>
  <binding name="LocalTimeSoap" type="s0:LocalTimeSoap">
    <soap:binding transport="http://schemas.xmlsoap.org/soap/http"/>
    <operation name="LocalTimeByZipCode">
      <soap:operation soapAction="http://www.ripedev.com/LocalTimeByZipCode" style="document"/>
      <input>
        <soap:body use="literal"/>
      </input>
      <output>
        <soap:body use="literal"/>
      </output>
    </operation>
  </binding>
  <binding name="LocalTimeSoap12" type="s0:LocalTimeSoap12">
    <soap12:binding transport="http://schemas.xmlsoap.org/soap/http"/>
    <operation name="LocalTimeByZipCode">
      <soap12:operation soapAction="http://www.ripedev.com/LocalTimeByZipCode"

            style="document"/>
      <input>
        <soap12:body use="literal"/>
      </input>
      <output>
        <soap12:body use="literal"/>
      </output>
    </operation>
  </binding>
  <binding name="LocalTimeHttpGet" type="s0:LocalTimeHttpGet">
    <http:binding verb="GET"/>
    <operation name="LocalTimeByZipCode">
      <http:operation location="/LocalTimeByZipCode"/>
      <input>
        <http:urlEncoded/>
      </input>
      <output>
        <mime:mimeXml part="Body"/>
      </output>
    </operation>
  </binding>
  <binding name="LocalTimeHttpPost" type="s0:LocalTimeHttpPost">
    <http:binding verb="POST"/>
    <operation name="LocalTimeByZipCode">
      <http:operation location="/LocalTimeByZipCode"/>
      <input>
        <mime:content type="application/x-www-form-urlencoded"/>
      </input>
      <output>
        <mime:mimeXml part="Body"/>
      </output>
    </operation>
  </binding>
  <service name="LocalTime">
    <wsdl:documentation xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/">Provides local time for
          the supplied zip code</wsdl:documentation>
    <port name="LocalTimeSoap" binding="s0:LocalTimeSoap">
      <soap:address location="http://www.ripedevelopment.com/webservices/LocalTime.asmx"/>
    </port>
    <port name="LocalTimeSoap12" binding="s0:LocalTimeSoap12">
      <soap12:address location="http://www.ripedevelopment.com/webservices/LocalTime.asmx"/>
    </port>
    <port name="LocalTimeHttpGet" binding="s0:LocalTimeHttpGet">
      <http:address location="http://www.ripedevelopment.com/webservices/LocalTime.asmx"/>
    </port>
    <port name="LocalTimeHttpPost" binding="s0:LocalTimeHttpPost">
      <http:address location="http://www.ripedevelopment.com/webservices/LocalTime.asmx"/>
    </port>
  </service>
</definitions>

这里我们先只看最后几行，可以看出，上面分别针对Soap, Soap12, HttpGet, HttpPost有不同的地址调用，

如上面的这个，我们可以看到后面的地址就是我们之前使用到的请求地址，

然后为了看懂这个wsdl文件，我们可以去看看这个教程，http://www.w3school.com.cn/wsdl/index.asp把这个看明白了，估计看上面这个wsdl就不是问题了。

ＰＳ：作为前端开发者，实际上是不太需要知道上面这些过程的，因为一般情况下，后台服务器开发人员都会把如何调用的方式告诉前端开发者，不过如果理解了这整个过程，应该会很有好外。

再啰嗦一下，通过前面的教程，我们也发现了这个SOAP的网页这么好用，有这么多的信息，还可以在线测试，还可以把如何请求都举例子，想想可能觉得要发布一个web service要作的工作还真多，其实不然。这个页面都可以直接通过微软的发布直接生成，不需要后台人员去添加例子什么的。是不是挺方便呢。

转载地址：http://ahwpi.baihongyu.com/

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