本文介绍了WebService中的关键概念，包括endpoint、namespace、fullname、inputmessage、outputmessage等，并解释了Porttype、Binding和Target namespace的作用及含义。此外还对比了RPC风格与文档风格WebService的区别。
endpoint -- the full URL is http://www.ttdev.com/SimpleService
namespace -- just like a Java package, but it is not in a dot format like com.ttdev.foo; it is in the format of a URL.
full name -- is called a "QName (qualified name)"
the full name of the operation will be "concat" in namespace http://ttdev.com/ss.
the name "concat" is called the "local name".
a method call is called an "[b]input message[/b]" and a parameter is called a [b]"part".[/b] The return value is called an [b]"output message"[/b] and may contain multiple parts.
RPC style web service
Document style web service
Port type -- is like a Java class and each operation in it is like a static method. The name of a port type must also be a QName
Binding -- a port type may allow you to access it using different formats. The message format that you have seen is called the "Simple Object Access Protocal (SOAP)" format.
a port type may allow the message to be carried (transported) in an HTTP Post request or in an email. Each supported combination is called a "binding"
SOAP + HTTP is the most common combination.
Port = binding x host + ...
Target namespace -- There is a sigle namespace for a web service to put the names into.
WSDL Web Services Description Language
SEI -- service endpoint interface
namespace -- just like a Java package, but it is not in a dot format like com.ttdev.foo; it is in the format of a URL.
full name -- is called a "QName (qualified name)"
the full name of the operation will be "concat" in namespace http://ttdev.com/ss.
the name "concat" is called the "local name".
a method call is called an "[b]input message[/b]" and a parameter is called a [b]"part".[/b] The return value is called an [b]"output message"[/b] and may contain multiple parts.
RPC style web service
Document style web service
Port type -- is like a Java class and each operation in it is like a static method. The name of a port type must also be a QName
Binding -- a port type may allow you to access it using different formats. The message format that you have seen is called the "Simple Object Access Protocal (SOAP)" format.
a port type may allow the message to be carried (transported) in an HTTP Post request or in an email. Each supported combination is called a "binding"
SOAP + HTTP is the most common combination.
Port = binding x host + ...
Target namespace -- There is a sigle namespace for a web service to put the names into.
WSDL Web Services Description Language
SEI -- service endpoint interface
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