了解一下。
概論
SOAP(Simple Object Access Protocol)
首先,SOAP 都是基於「XML」來做資料交換(溝通),所以如果你要跟一個提供 SOAP 服務的伺服器溝通,大概會是這樣子:
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| <?xml version="1.0"?> <soapenv:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:cal="http://www.stgregorioschurchdc.org/Calendar">
<soapenv:Header/>
<soapenv:Body> <cal:easter_date soapenv:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"> <year xsi:type="xsd:short">2014</year> </cal:easter_date> </soapenv:Body> </soapenv:Envelope>
|
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| <?xml version="1.0" encoding="UTF-8"?> <SOAP-ENV:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/" xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">
<SOAP-ENV:Body> <namesp1:easter_dateResponse xmlns:namesp1="http://www.stgregorioschurchdc.org/Calendar"> <s-gensym3 xsi:type="xsd:string">2014/04/20</s-gensym3> </namesp1:easter_dateResponse> </SOAP-ENV:Body> </SOAP-ENV:Envelope>
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其實就跟 HTTP 的概念很類似,只是都改成用 XML 的資料格式來做溝通。